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1

The Lyman-alpha forest in f(R) modified gravity  

E-Print Network (OSTI)

In this work, we analyze the Lyman-$\\alpha$ forest in cosmological hydrodynamical simulations of chameleon-type f(R) gravity with the goal to assess whether the impact of such models is detectable in absorption line statistics. We carry out a set of hydrodynamical simulations with the cosmological simulation code MG-GADGET, including star formation and cooling effects, and create synthetic Lyman-$\\alpha$ absorption spectra from the simulation outputs. We statistically compare simulations with f(R) and ordinary general relativity, focusing on flux probability distribution functions (PDFs) and flux power-spectra, an analysis of the column density and line width distributions, as well as the matter power spectrum. We find that the influence of f(R) gravity on the Lyman-$\\alpha$ forest is rather small. Even models with strong modifications of gravity, like $|\\bar{f}_{R0}| = 10^{-4}$, do not change the statistical Lyman-$\\alpha$ properties by more than 10%. The column density and line width distributions are hardl...

Arnold, Christian; Springel, Volker

2014-01-01T23:59:59.000Z

2

Constraints on ionising photon production from the large-scale Lyman-alpha forest  

E-Print Network (OSTI)

Recent work has shown that the z~2.5 Lyman-alpha forest on large scales encodes information about the galaxy and quasar populations that keep the intergalactic medium photoionized. We present the first forecasts for constraining the populations with data from current and next-generation surveys. At a minimum the forest should tell us whether galaxies or, conversely, quasars dominate the photon production. The number density and clustering strength of the ionising sources might be estimated to sub-10% precision with a DESI-like survey if degeneracies (e.g., with the photon mean-free-path, small-scale clustering power normalization and potentially other astrophysical effects) can be broken by prior information. We demonstrate that, when inhomogeneous ionisation is correctly handled, constraints on dark energy do not degrade.

Pontzen, Andrew; Peiris, Hiranya; Verde, Licia

2014-01-01T23:59:59.000Z

3

The Kast Ground Based UV Spectral Survey of 79 QSOs at Redshift 2 for Lyman Alpha Forest and Metal Absorption  

E-Print Network (OSTI)

We present a moderate resolution (~1.15 Angstroms/pixel) survey of 79 quasars obtained using the Kast spectrograph on the Shane 3m telescope at Lick observatory. The spectra span the wavelength range of 3175-5880 Angstroms, and have typical signal to noise of 6-20 in the regions of the spectra showing Lyman alpha forest absorption. The quasars have a mean emission redshift of z=2.17, and nearly all cover the entire Lyman alpha forest between Lyman alpha and Lyman beta. Although the quasars were selected to avoid BAL, two quasars in the survey are BAL, one of which is a new discovery. We list the HI and metal ions observed in a total of 140 absorption systems. We also identify 526 emission lines, and list their observed wavelengths, along with new redshifts of the quasars. We determine the rest wavelengths of 3 emission lines or line blends in the forest to be 1070.95 +/- 1.00, 1123.13 +/- 0.51, and 1175.88 +/- 0.30 Angstroms.

Tytler, D; Suzuki, N; Kirkman, D; Lubin, D; Orin, A; Tytler, David; Meara, John M. O'; Suzuki, Nao; Kirkman, David; Lubin, Dan; Orin, Adam

2004-01-01T23:59:59.000Z

4

The Kast Ground Based UV Spectral Survey of 79 QSOs at Redshift 2 for Lyman Alpha Forest and Metal Absorption  

E-Print Network (OSTI)

We present a moderate resolution (~1.15 Angstroms/pixel) survey of 79 quasars obtained using the Kast spectrograph on the Shane 3m telescope at Lick observatory. The spectra span the wavelength range of 3175-5880 Angstroms, and have typical signal to noise of 6-20 in the regions of the spectra showing Lyman alpha forest absorption. The quasars have a mean emission redshift of z=2.17, and nearly all cover the entire Lyman alpha forest between Lyman alpha and Lyman beta. Although the quasars were selected to avoid BAL, two quasars in the survey are BAL, one of which is a new discovery. We list the HI and metal ions observed in a total of 140 absorption systems. We also identify 526 emission lines, and list their observed wavelengths, along with new redshifts of the quasars. We determine the rest wavelengths of 3 emission lines or line blends in the forest to be 1070.95 +/- 1.00, 1123.13 +/- 0.51, and 1175.88 +/- 0.30 Angstroms.

David Tytler; John M. O'Meara; Nao Suzuki; David Kirkman; Dan Lubin; Adam Orin

2004-05-04T23:59:59.000Z

5

Lyman-alpha Forest Tomography of the z>2 Cosmic Web  

E-Print Network (OSTI)

The hydrogen Ly$\\alpha$ forest is an important probe of the $z>2$ Universe that is otherwise challenging to observe with galaxy redshift surveys, but this technique has traditionally been limited to 1D studies in front of bright quasars. However, by pushing to faint magnitudes ($g>23$) with 8-10m large telescopes it becomes possible to exploit the high area density of high-redshift star-forming galaxies to create 3D tomographic maps of large-scale structure in the foreground. I describe the first pilot observations using this technique, as well discuss future surveys and the resulting science possibilities for galaxy evolution and cosmology.

Lee, Khee-Gan

2014-01-01T23:59:59.000Z

6

Optical Counterparts to Damped Lyman Alpha Systems  

E-Print Network (OSTI)

Previously we have shown (Maller et al, 1998) that the kinematics of Damped Lyman Alpha Systems (DLAS) as measured by Prochaska and Wolfe (1998) can be reproduced in a multiple disk model (MDM) if the gaseous disks are of sufficient radial extent. Here we discuss this model's predictions for the relationship between DLAS and Lyman break galaxies (LBGs), which we here take to be objects at z~3 brighter than R=25.5. We expect that future observations of the correlations between DLAS and LBGs will provide a new data set able to discriminate between different theoretical models of the DLAS. Djorgovski (1997) has already detected a few optical counterparts and more studies are underway.

Ariyeh H. Maller; Jason X. Prochaska; Rachel S. Somerville; Joel R. Primack

2000-02-24T23:59:59.000Z

7

PC1643+4631A,B: The Lyman-Alpha Forest at the Edge of Coherence  

E-Print Network (OSTI)

This is the first measurement and detection of coherence in the intergalactic medium (IGM) at substantially high redshift (z~3.8) and on large physical scales (~2.5 h^-1 Mpc). We perform the measurement by presenting new observations from Keck LRIS of the high redshift quasar pair PC 1643+4631A, B and their Ly-alpha absorber coincidences. This experiment extends multiple sightline quasar absorber studies to higher redshift, higher opacity, larger transverse separation, and into a regime where coherence across the IGM becomes weak and difficult to detect. We fit 222 discrete Ly-alpha absorbers to sightline A and 211 to sightline B. Relative to a Monte Carlo pairing test (using symmetric, nearest neighbor matching) the data exhibit a 4sigma excess of pairs at low velocity splitting (coherence on transverse scales of ~2.5 h^-1 Mpc. We use spectra extracted from an SPH simulation to analyze symmetric pair matching, transmission distributions as a function of redshift and compute zero-lag cross-correlations to compare with the quasar pair data. The simulations agree with the data with the same strength (~4sigma) at similarly low velocity splitting above random chance pairings. In cross-correlation tests, the simulations agree when the mean flux (as a function of redshift) is assumed to follow the prescription given by Kirkman et al. (2005). While the detection of flux correlation (measured through coincident absorbers and cross-correlation amplitude) is only marginally significant, the agreement between data and simulations is encouraging for future work in which even better quality data will provide the best insight into the overarching structure of the IGM and its understanding as shown by SPH simulations.

Caitlin M. Casey; Christopher D. Impey; Catherine E. Petry; Andrew R. Marble; Romeel Dave

2008-04-14T23:59:59.000Z

8

Heavy Elements in the Lyman-$?$\\ Forest: Abundances and Clustering at z=3  

E-Print Network (OSTI)

For the purpose of studying the properties of heavy-elements associated with the Lyman-$\\alpha$\\ forest, we observed the gravitational lens Q1422+2309. We used the HIRES instrument on the W.M. Keck telescope to obtain a high-resolution, very high signal-to-noise spectrum of this z=3.63 quasar; the spectrum covers wavelengths from below Lyman-$\\beta$\\ up to the C IV emission line. Consistent with previous estimates, we find that a moderate fraction of the Ly-$\\alpha$\\ forest clouds have been enriched with heavy elements at a level significantly below solar abundance. However, unlike the fairly uniform distribution of Ly-$\\alpha$\\ forest lines, we show that the C IV absorption lines are clustered on large velocity scales.

D. S. Womble; W. L. W. Sargent; R. S. Lyons

1995-11-09T23:59:59.000Z

9

Damped Lyman alpha systems and galaxy formation models - II. High ions and Lyman limit systems  

E-Print Network (OSTI)

We investigate a model for the high-ionization state gas associated with observed damped Lyman-alpha systems, based on a semi-analytic model of galaxy formation set within the paradigm of hierarchical structure formation. In our model, the hot gas in halos and sub-halos gives rise to CIV absorption, while the low-ionization state gas is associated with the cold gas in galaxies. The model matches the distribution of CIV column densities and leads naturally to kinematic properties that are in good agreement with the data. We examine the contribution of both hot and cold gas to sub-damped systems and suggest that the properties of these systems can be used as an important test of the model. We expect that sub-DLA systems will generally be composed of a single gas disk and thus predict that they should have markedly different kinematics than the damped systems. Finally, we find that hot halo gas produces less than one third of Lyman limit systems at redshift three. We model the contribution of mini-halos (halos with virial velocities < 35 km/s) to Lyman limit systems and find that they may contain as much gas as is observed in these systems. However, if we adopt realistic models of the gas density distribution we find that these systems are not a significant source of Lyman limit absorption. Instead we suggest that uncollapsed gas outside of virialized halos is responsible for most of the Lyman limit systems at high redshift.

Ariyeh H. Maller; Jason X. Prochaska; Rachel S. Somerville; Joel R. Primack

2002-11-11T23:59:59.000Z

10

Prepared for submission to JCAP The Lyman-forest in three  

E-Print Network (OSTI)

Sciences, Princeton University, Princeton, New Jersey 08544, USA m104-20 Queens Blvd #17A, Forest Hills, NYPrepared for submission to JCAP The Lyman- forest in three dimensions: measurements of large scale in the Lyman- forest. The angle-averaged correlation function of transmitted flux (F = e- ) is securely

Dawson, Kyle

11

The Lyman-beta forest as a cosmic thermometer  

E-Print Network (OSTI)

We present a comprehensive analysis of high resolution hydrodynamic simulations in terms of Lyman-alpha and Lyman-beta one dimensional flux power spectra ($P_{\\alpha\\alpha}$ and $P_{\\beta\\beta}$). In particular, we focus on the behaviour that the flux auto-power spectra and cross-power spectra ($P_{\\alpha\\beta}$) display when the intergalactic medium (IGM) thermal history is changed in a range of values that bracket a reference model, while cosmological parameters are kept fixed to best fit the cosmic microwave background data. We present empirical fits that describe at the sub-percent level the dependence of the power spectra on the thermal parameters. At the largest scales, the power spectra show a constant bias between each other that is set by the parameters describing the IGM thermal state. The cross-power spectrum has an oscillatory pattern and crosses zero at a scale which depends on $T_0$, the IGM temperature at the mean density, for reasonable values of the power-law index $\\gamma$ of the IGM tempera...

Irši?, Vid

2014-01-01T23:59:59.000Z

12

Making Damped Lyman Alpha Systems in Semi-Analytic Models  

E-Print Network (OSTI)

The velocity profiles of weak metal absorption lines can be used to observationally probe the kinematic state of gas in damped Lyman-alpha systems. Prochaska and Wolfe have argued that the flat distribution of velocity widths combined with the asymmetric line profiles indicate that the DLAS are disks with large rotation velocities. An alternative explanation has been proposed by Haehnelt, Steinmetz, and Rauch, in which the observed large velocity widths and asymmetric profiles can be produced by lines of sight passing through two or more clumps each having relatively small internal velocity dispersions. We investigate the plausibility of this scenario in the context of semi-analytic models based on hierarchical merging trees and including simple treatments of gas dynamics, star formation, supernova feedback, and chemical evolution. We find that all the observed properties of the metal-line systems including the distribution of velocities and the asymmetric profiles, can be reproduced by lines of sight passing through sub-clumps that are bound within larger virialized dark matter halos. In order to produce enough multiple hits, we find that the cold gas must be considerably more extended than the optical radius of the proto-galaxies, perhaps even beyond the tidal radius of the sub-halo. This could occur due to tidal stripping or supernova-driven outflows.

Ariyeh H. Maller; Rachel S. Somerville; Jason X. Prochaska; Joel R. Primack

1998-12-20T23:59:59.000Z

13

Ly-alpha Emission from a Lyman Limit Absorber at z=3.036  

E-Print Network (OSTI)

Deep, 17.8 hours, narrow band imaging obtained at the ESO 3.5m New Technology Telescope has revealed extended (galaxy sized) Ly-alpha emission from a high redshift Lyman limit absorber. The absorber is a z(abs) approx. z(em) Lyman limit absorber seen in the spectrum of Q1205-30 at z(em)=3.036. The Ly-alpha luminosity of the emission line object is 12-14 x 10e41 h^-2 erg/s for Omega(matter)=1. The size and morphology of the Ly-alpha emitter are both near--identical to those of a previously reported emission line object associated with a DLA at z=1.934 (Fynbo et al. 1999a), suggesting a close connection between Lyman limit absorbers and DLAs. We also detect six candidate Ly-alpha emitting galaxies in the surrounding field at projected distances of 156-444 h^-1 kpc with Ly-alpha luminosities ranging from 3.3 to 9.5 x 10e41 h^-2 erg/s for Omega(matter)=1. Assuming no obscuration of Ly-alpha photons by dust this corresponds to star formation rates in the range 0.3-0.9 h^-2 M(sun)/yr. Comparing this to the the Lyman break galaxies in current ground based samples only make up the very bright end of the high redshift galaxy luminosity function. A significant, and possibly dominating, population of high redshift galaxies are not found in the ground based Lyman break surveys.

J. U. Fynbo; B. Thomsen; P. Moller

1999-11-09T23:59:59.000Z

14

Velocity map imaging studies of the Lyman {alpha} photodissociation mechanism for H atom production from hydrocarbons  

SciTech Connect

H atoms produced in Lyman {alpha} photolysis of ethane, propane, and ethylene have been studied using velocity map imaging techniques. Two types of H atoms are identified, one formed along with an alkyl radical in the Rydberg state and the other by the subsequent decomposition of this Rydberg radical. {copyright} {ital 1998 American Institute of Physics.}

Jackson, W.M.; Price, R.J. II; Xu, D.D.; Wrobel, J.D. [Department of Chemistry, University of California, Davis, California 95616 (United States)] [Department of Chemistry, University of California, Davis, California 95616 (United States); Ahmed, M.; Peterka, D.S.; Suits, A.G. [Chemical Dynamics Group, Chemical Sciences Division, Ernest Orlando Lawrence Berkeley Laboratory, Berkeley, California 94720 (United States)] [Chemical Dynamics Group, Chemical Sciences Division, Ernest Orlando Lawrence Berkeley Laboratory, Berkeley, California 94720 (United States)

1998-09-01T23:59:59.000Z

15

Undetected Sources Allow Transmission of the Lyman-alpha Line From Galaxies Prior to Reionization  

E-Print Network (OSTI)

The discovery of Lyman-alpha emission from galaxies at redshifts beyond z~6.5 should not be naively interpreted as implying that the intergalactic medium (IGM) had been reionized at higher redsifts. We show that a cluster of faint undetected sources around each observed galaxy generates an HII region sufficiently large to allow transmission of the galaxy's Lyman-alpha line prior to reionization. We also show that quasars may contribute a significant fraction of the ionizing photons to HII regions around galaxies with a velocity dispersion larger than ~100km/s. These contributing quasars are not usually seen due to the small fraction of time they spend in a luminous phase.

Stuart Wyithe; Abraham Loeb

2004-07-08T23:59:59.000Z

16

Building the bridge between Damped Ly-alpha Absorbers and Lyman Break galaxies  

E-Print Network (OSTI)

In 2000, we started the program ``Building the Bridge between Damped Ly-alpha Absorbers and Lyman-Break Galaxies: Ly-alpha Selection of Galaxies'' at the European Southern Observatory's Very Large Telescope. This project is an attempt to use Ly-alpha selection of high-z galaxies to bridge the gap between absorption- and emission-selected galaxies by creating a large database of z=3 galaxies belonging to the abundant population of faint (R>25.5) galaxies probed by the Damped Ly-alpha Absorbers (DLAs). Here we present the first results of our program, namely the results from a deep Ly-alpha study of the field of the z=2.85 DLA towards Q2138-4427.

J. P. U. Fynbo; C. Ledoux; P. Moller; B. Thomsen; I. Burud; B. Leibundgut

2002-05-15T23:59:59.000Z

17

The first detection of [OIII] emission from high-redshift damped Lyman-alpha galaxies  

E-Print Network (OSTI)

We present the detection of [OIII] emission lines from the galaxies responsible for two high-redshift z>1.75 damped Lyman-alpha (DLA) absorption lines. These are the first detections of rest-frame optical emission lines from high-redshift DLA galaxies. Unlike the Lyman-alpha line, the [OIII] line provides a measure of the systemic velocity of the galaxy. We compare the [OIII] redshifts with the velocity profile of the low-ionisation metal lines in these two absorbers, with the goal of distinguishing between the model of Prochaska and Wolfe of DLA absorbers as large rapidly rotating cold thick discs, and the standard hierarchical CDM model of structure formation, in which DLAs arise in protogalactic fragments. We find some discrepancies with the predictions of the former model. Furthermore the image of the DLA galaxy towards Q2206-1958 shows a complex disturbed morphology, which is more in accord with the hierarchical picture. We use the properties of the rest-frame optical emission lines to further explore the question posed by Moller et al.: are high-redshift DLA galaxies Lyman-break galaxies (LBGs) selected by gas cross section? The measured velocity dispersions of the DLA galaxies are in agreement with this picture, while the data on the [OIII] luminosities and the velocity differences between the Lyman-alpha and [OIII] lines are inconclusive, as there are insufficient LBG measurements overlapping in luminosity. Finally we estimate the star formation rates in these two DLA galaxies, using a variety of diagnostics, and include a discussion of the extent to which the [OIII] line is useful for this purpose. (abridged)

S. J. Weatherley; S. J. Warren; P. Moller; S. M. Fall; J. U. Fynbo; S. M. Croom

2005-01-19T23:59:59.000Z

18

Dark energy and curvature from a future baryonic acoustic oscillation survey using the Lyman-? forest  

Science Journals Connector (OSTI)

We explore the requirements for a Lyman-? forest survey designed to measure the angular diameter distance and Hubble parameter at 2?z?4 using the standard ruler provided by baryonic acoustic oscillations (BAO). The goal would be to obtain a high enough density of sources to probe the three-dimensional density field on the scale of the BAO feature. A percent-level measurement in this redshift range can almost double the Dark Energy Task Force figure of merit, relative to the case with only a similar precision measurement at z?1, if the Universe is not assumed to be flat. This improvement is greater than the one obtained by doubling the size of the z?1 survey, with Planck and a weak Sloan Digital Sky Survey-like z=0.3 BAO measurement assumed in each case. Galaxy BAO surveys at z?1 may be able to make an effective Ly? forest measurement simultaneously at minimal added cost, because the required number density of quasars is relatively small. We discuss the constraining power as a function of area, magnitude limit (density of quasars), resolution, and signal-to-noise of the spectra. For example, a survey covering 2000 sq. deg. and achieving S/N=1.8 per Å at g=23 (?40??quasars per sq. deg.) with an R?250 spectrograph is sufficient to measure both the radial and transverse oscillation scales to 1.4% from the Ly? forest (or better, if fainter magnitudes and possibly Lyman-break galaxies can be used). At fixed integration time and in the sky-noise-dominated limit, a wider, noisier survey is generally more efficient; the only fundamental upper limit on noise being the need to identify a quasar and find a redshift. Because the Ly? forest is much closer to linear and generally better understood than galaxies, systematic errors are even less likely to be a problem.

Patrick McDonald and Daniel J. Eisenstein

2007-09-27T23:59:59.000Z

19

Deep optical spectroscopy of extended Lyman alpha emission around three radio-quiet z=4.5 quasars  

E-Print Network (OSTI)

We report the first results of a spectroscopic search for Lyman alpha, envelopes around three z=4.5 radio-quiet quasars. Our observational strategy uses the FORS2 spectrograph attached to the UT1 of the Very Large Telescope (VLT) in the multi-slit mode. This allows us to observe simultaneously the quasars and several PSF stars. The spectra of the latter are used to remove the point-like quasar from the data, and to unveil the faint underlying Lyman alpha, envelopes associated with the quasars with unprecedented depth. We clearly detect an envelope around two of the three quasars. These envelopes measure respectively 10" and 13" in extent (i.e. 67 kpc and 87 kpc). This is 5 to 10 times larger than predicted by the models of Haiman & Rees (2001) and up to 100 times fainter. Our observations better agree with models involing a clumpy envelope as in Alam & Miralda-Escude (2002) or Chelouche et al. (2008). We find that the brighter quasars also have the brighter envelopes but that the extend of the envelopes does not depend on the quasar luminosity. Although our results are based on only two objects with a detected Lyman alpha, envelope, the quality of the spatial deblending of the spectra lends considerable hope to estimate the luminosity function and surface brightness profiles of high redshift Lyman alpha, envelopes down to F= 2-3 10^{-21} erg/s/cm^2/A. We find that the best strategy to carry out such a project is to obtain both narrow-band images and deep slit-spectra.

F. Courbin; P. North; A. Eigenbrod; D. Chelouche

2008-03-17T23:59:59.000Z

20

HST Images of a Galaxy Group at z=2.81, and the Sizes of Damped Lyman Alpha Galaxies  

E-Print Network (OSTI)

We present HST WFPC2 observations in three bands (F450W, F467M and F814W) of a group of three galaxies at z=2.8 discovered in a ground-based narrow-band search for Lyman alpha emission near the z=2.8 quasar PKS0528-250. One of the galaxies is a damped (DLA) absorber and these observations bear on the relation between the DLA clouds and the Lyman-break galaxies and the stage in the evolution of galaxies they represent. We describe a procedure for combining the undersampled WFPC2 images pointed on a sub-pixel grid, which largely recovers the full sampling of the WFPC2 point spread function (psf). These three galaxies have similar properties to the Lyman-break galaxies except that they have strong Lyman alpha emission. The three galaxies are detected in all three bands, with average B~26, I~25. Two of the galaxies are compact with intrinsic (i.e. after correcting for the effect of the psf) half-light radii of ~0.1 arcsec (~0.4/h kpc, q_o=0.5). The third galaxy comprises two similarly compact components separated by 0.3 arcsec. The HST images and a new ground-based Lyman alpha image of the field provide evidence that the three galaxies are more extended in the light of Lyman alpha than in the continuum. The measured impact parameters for this DLA galaxy (1.17 arcsec), for a second confirmed system, and for several candidates, provide a preliminary estimate of the cross-section-weighted mean radius of the DLA gas clouds at z~3 of less than 13/h kpc, for q_o=0.5. Given the observed sky covering factor of the absorbers this implies that for q_o=0.5 the space density of DLA clouds at these redshifts is more than five times the space density of spiral galaxies locally, with the actual ratio probably considerably greater. For q_o=0.0 there is no evidence as yet that DLA clouds are more common than spiral galaxies locally.

Palle Moller; Stephen J. Warren

1998-04-21T23:59:59.000Z

Note: This page contains sample records for the topic "lyman alpha forest" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


21

A Lyman-alpha blob in the GOODS South field: evidence for cold accretion onto a dark matter halo  

E-Print Network (OSTI)

We report on the discovery of a z = 3.16 Lyman-alpha emitting blob in the GOODS South field. The blob has a total Ly-alpha luminosity of ~ 10^(43) erg s^(-1) and a diameter larger than 60 kpc. The available multi-wavelength data in the GOODS field consists of 13 bands from X-rays (Chandra) to infrared (Spitzer). Unlike other discovered Ly-alpha blobs, this blob shows no obvious continuum counter-part in any of the broad-bands. In particular, no optical counter-parts are found in the deep HST/ACS imaging available. For previously published blobs, AGN (Active Galactic Nuclei) or 'superwind' models have been found to provide the best match with the data. We here argue that the most probable origin of the extended Ly-alpha emission from the blob in the GOODS South field is cold accretion onto a dark matter halo.

Kim Nilsson; Johan P. U. Fynbo; Palle Moller; Jesper Sommer-Larsen; Cedric Ledoux

2005-12-15T23:59:59.000Z

22

The Lyman-? forest in three dimensions: measurements of large scale flux correlations from BOSS 1st-year data  

SciTech Connect

Using a sample of approximately 14,000 z > 2.1 quasars observed in the first year of the Baryon Oscillation Spectroscopic Survey (BOSS), we measure the three-dimensional correlation function of absorption in the Lyman-? forest. The angle-averaged correlation function of transmitted flux (F = e{sup ??}) is securely detected out to comoving separations of 60 h{sup ?1}Mpc, the first detection of flux correlations across widely separated sightlines. A quadrupole distortion of the redshift-space correlation function by peculiar velocities, the signature of the gravitational instability origin of structure in the Lyman-? forest, is also detected at high significance. We obtain a good fit to the data assuming linear theory redshift-space distortion and linear bias of the transmitted flux, relative to the matter fluctuations of a standard ?CDM cosmological model (inflationary cold dark matter with a cosmological constant). At 95% confidence, we find a linear bias parameter 0.16 < b < 0.24 and redshift-distortion parameter 0.44 < ? < 1.20, at central redshift z = 2.25, with a well constrained combination b(1+?) = 0.336±0.012. The errors on ? are asymmetric, with ? = 0 excluded at over 5? confidence level. The value of ? is somewhat low compared to theoretical predictions, and our tests on synthetic data suggest that it is depressed (relative to expectations for the Lyman-? forest alone) by the presence of high column density systems and metal line absorption. These results set the stage for cosmological parameter determinations from three-dimensional structure in the Lyman-? forest, including anticipated constraints on dark energy from baryon acoustic oscillations.

Slosar, Anže [Brookhaven National Laboratory, Blgd 510, Upton NY 11375 (United States); Font-Ribera, Andreu [Institut de Ciències de l'Espai (CSIC-IEEC), Campus UAB, Fac. Ciències, torre C5 parell 2, Bellaterra, Catalonia (Spain); Pieri, Matthew M. [Center for Astrophysics and Space Astronomy, University of Colorado, 389 UCB, Boulder, Colorado 80309 (United States); Rich, James; Goff, Jean-Marc Le; Charlassier, Romain [CEA, Centre de Saclay, IRFU, 91191 Gif-sur-Yvette (France); Aubourg, Éric; Busca, Nicolas; Hamilton, Jean-Christophe [APC, Université Paris Diderot-Paris 7, CNRS/IN2P3, CEA, Observatoire de Paris, 10, rue A. Domon and L. Duquet, Paris (France); Brinkmann, Jon [Apache Point Observatory, P.O. Box 59, Sunspot, NM 88349 (United States); Carithers, Bill; Cortês, Marina; Ho, Shirley; McDonald, Patrick [Lawrence Berkeley National Laboratory, 1 Cyclotron Road, Berkeley, CA 94720 (United States); Croft, Rupert [Bruce and Astrid McWilliams Center for Cosmology, Carnegie Mellon University, Pittsburgh, PA 15213 (United States); Dawson, Kyle S. [University of Utah, Dept. of Physics and Astronomy, 115 S 1400 E, Salt Lake City, UT 84112 (United States); Eisenstein, Daniel [Harvard College Observatory, 60 Garden St., Cambridge MA 02138 (United States); Lee, Khee-Gan; Lupton, Robert [Department of Astrophysical Sciences, Princeton University, Princeton, New Jersey 08544 (United States); Medolin, Bumbarija, E-mail: anze@bnl.gov [104-20 Queens Blvd 17A, Forest Hills, NY 11375 (United States); and others

2011-09-01T23:59:59.000Z

23

A MOSAIC Search for Lyman Alpha Emitting Galaxies Patrick Williams1, S. L. Finkelstein2, J. Rhoads3, E. McLinden3, S. Malhotra3  

E-Print Network (OSTI)

into a single stacked image. This deep, stacked image will aid us in detecting LAEs at our chosen redshift of z including age, stellar mass, dust and dark matter halo mass. We will present a status update on this project alpha radiation. This emission of Lyman alpha radiation is thought to be indicative of outbursts of star

24

Velocity map imaging studies of the Lyman alpha photodissociationmechanism for H atom production from hydrocarbons  

SciTech Connect

H atoms produced in Lyman ct photolysis of ethane, propane,and ethylene have been studied using velocity map imaging techniques. Twotypes of H atoms are identified, one formed along with an alkyl radicalin the Rydberg state and the other by the subsequent decomposition ofthis Rydberg radical. (C) 1998 American Institute of Physics.

Jackson, William M.; Price, Roosevelt; Wrobel, Jacek; Xu, Dadong; Ahmed, Musahid; Peterka, Darcy S.; Suits, Arthur G.

1998-06-01T23:59:59.000Z

25

Systematic Survey of Extended Lyman-alpha Sources over z~3-5  

E-Print Network (OSTI)

Spatially extended Ly-alpha sources which are faint and compact in coninuum are candidates for extremely young galaxies (age of ~intermediate-band imaging data taken with the Suprime-Cam on the Subaru Telescope. Our survey covers a field of view of 33' * 25' and a redshift range of 3.24alpha flux of ~1e-17 ergs/cm^2/s. We identified 41 extended Ly-alpha sources. The redshift distribution of these sources shows that this kind of objects are common in the early universe over the surveyed redshift range. The identified objects have typical sizes of \\~10-15 kpc and luminosities of ~10^42 ergs/s. Follow-up spectroscopy made for 7 of the 41 objects showed that our sample suffers from little contamination. All 7 objects have large equivalent widths of Ly-alpha emission line, all but one exceeding 240A in the rest frame. The large equivalent widths suggest that their extended Ly-a...

Saitô, T; Okamura, S; Ouchi, M; Akiyama, M; Yoshida, M; Saito, Tomoki; Shimasaku, Kazuhiro; Okamura, Sadanori; Ouchi, Masami; Akiyama, Masayuki; Yoshida, Michitoshi

2006-01-01T23:59:59.000Z

26

Lyman Alpha Emitting Galaxies at 2 < z < 3: Towards a Calibrated Probe of Dark Energy  

SciTech Connect

The goal of this project was to establish the physical properties of Ly{alpha}#11;emitting galaxies from redshifts of 2 to 3 in order to better calibrate the use of LAEs as probes of the large scale structure of the universe for upcoming dark energy experiments, such as the Hobby Eberly Telescope Dark Energy Experiment (HETDEX). We have obtained narrow-band imaging of the Extended Chandra Deep Field South (ECDF-S) in two different narrow-band #12;filters centered at Ly{alpha}#11; at z=2.1 and 3.1. The resulting of samples of LAEs were used to determine the LAE luminosity function, equivalent width distribution and clustering properties (bias) of LAEs at these redshifts. While the results from the ECDF-S appear robust, they are based on a single field. To explore the effects of cosmic variance and galaxy environment on the physical properties of LAEs, we have also obtained narrow-band data at both redshifts (z = 2:1 and 3:1) in three additional #12;fields (SDSS 1030+-05, the Extended Hubble Deep Field South, and CW 1255+01). The narrow-band imaging data has been reduced and LAE catalogs are being generated. We have calculated preliminary luminosity functions, equivalent width distributions, and clustering properties. We have also obtained follow-up spectroscopy in the optical (using VLT/FORS) and in the near-infrared (using Magellan/MMIRS). Since individual LAEs have too little S/N to enable meaningful fits for stellar population parameters, our previous work has analyzed stacked Spectral Energy Distributions (SEDs). SED #12;fitting was performed on several subsets of LAEs selected by their rest-UV luminosity, UV spectral slope, Ly alpha luminosity, Equivalent Width, or rest-optical (IRAC) luminosity.

Caryl Gronwall

2012-12-03T23:59:59.000Z

27

The Properties of Lyman Alpha Nebulae: Gas Kinematics from Non-resonant Lines  

E-Print Network (OSTI)

[Abridged] With VLT/X-shooter, we obtain optical and NIR spectra of six Ly-alpha blobs at z~2.3. Using three measures --- the velocity offset between the Lya line and the non-resonant [OIII] or H-alpha line (Dv_Lya), the offset of stacked interstellar metal absorption lines, and the spectrally-resolved [OIII] line profile --- we study the kinematics of gas along the line of sight to galaxies within each blob center. These three indicators generally agree in velocity and direction, and are consistent with a simple picture in which the gas is stationary or slowly outflowing at a few hundred km/s from the embedded galaxies. The absence of stronger outflows is not a projection effect: the covering fraction for our sample is limited to winds of up to ~1000km/s. The Dv_Lya offsets here are smaller than typical of LBGs, but similar to those of compact LAEs. The latter suggests that outflow speed cannot be a...

Yang, Yujin; Jahnke, Knud; Davé, Romeel

2014-01-01T23:59:59.000Z

28

An Intermediate-band imaging survey for high-redshift Lyman Alpha Emitters: The Mahoroba-11  

E-Print Network (OSTI)

We present results of our intermediate-band optical imaging survey for high-$z$ Ly$\\alpha$ emitters (LAEs) using the prime focus camera, Suprime-Cam, on the 8.2m Subaru Telescope. In our survey, we use eleven filters; four broad-band filters ($B$, $R_{\\rm c}$, $i^\\prime$, and $z^\\prime$) and seven intermediate-band filters covering from 500 nm to 720 nm; we call this imaging program as the Mahoroba-11. The seven intermediate-band filters are selected from the IA filter series that is the Suprime-Cam intermediate-band filter system whose spectral resolution is $R = 23$. Our survey has been made in a $34^\\prime \\times 27^\\prime$ sky area in the Subaru XMM Newton Deep Survey field. We have found 409 IA-excess objects that provide us a large photometric sample of strong emission-line objects. Applying the photometric redshift method to this sample, we obtained a new sample of 198 LAE candidates at $3 42.67$ between $z \\sim 3$ and 5.

Yamada, S F; Sumiya, R; Umeda, K; Shioya, Y; Ajiki, M; Nagao, T; Murayama, T; Taniguchi, Y; Yamada, Sanae F.; Sasaki, Shunji S.; Sumiya, Ryoko; Umeda, Kazuyoshi; Shioya, Yasuhiro; Ajiki, Masaru; Nagao, Tohru; Murayama, Takashi; Taniguchi, Yoshiaki

2005-01-01T23:59:59.000Z

29

A Search for Lyman alpha Emitters at Redshift 3.7  

E-Print Network (OSTI)

We present the results of a survey for emission-line objects based on optical intermediate-band ($\\lambda_{\\rm c}$ = 5736 \\AA ~ and $\\Delta\\lambda$ = 280 \\AA) and broad-band ($B$, $V$, $R$, and $i^\\prime$) observations of the Subaru/XMM-Newton Deep Field on the 8.2 m Subaru telescope with the Subaru Prime Focus Camera, Suprime-Cam. All the data were obtained during the guaranteed time observations of the Suprime-Cam instrument. The intermediate-band image covered a sky area with 10\\minpoint62 $\\times 12\\minpoint40 \\approx 132$ arcmin$^2$ in the Subaru/XMM-Newton Deep Field (Ouchi et al.). Using this image, we have found 23 emission-line sources whose observed emission-line equivalent widths are greater than 250 \\AA. Their optical multicolor properties indicate that six emission-line sources are Ly$\\alpha$ emitters at $z \\approx$ 3.7 ($\\Delta z \\approx 0.22$). They are either intense starburst galaxies or active galactic nuclei like quasars at $z \\approx$ 3.7. Two more emission-line sources may also be Ly$\\alp...

Fujita, S S; Shioya, Y; Nagao, T; Murayama, T; Taniguchi, Y; Okamura, S; Ouchi, M; Shimasaku, K; Doi, M; Furusawa, H; Hamabe, M; Kimura, M; Komiyama, Yu; Miyazaki, M; Miyazaki, S; Nakata, F; Sekiguchi, M; Yagi, M; Yasuda, N; Matsuda, Y; Tamura, H; Hayashino, T; Kodaira, K; Karoji, H; Yamada, T; Ohta, K; Umemura, M; Fujita, Shinobu S.; Ajiki, Masaru; Shioya, Yasuhiro; Nagao, Tohru; Murayama, Takashi; Taniguchi, Yoshiaki; Okamura, Sadanori; Ouchi, Masami; Shimasaku, Kazuhiro; Doi, Mamoru; Furusawa, Hisanori; Hamabe, Masaru; Kimura, Masahiko; Komiyama, Yutaka; Miyazaki, Masayuki; Miyazaki, Satoshi; Nakata, Fumiaki; Sekiguchi, Maki; Yagi, Masafumi; Yasuda, Naoki; Matsuda, Yuichi; Tamura, Hajime; Hayashino, Tomoki; Kodaira, Keiichi; Karoji, Hiroshi; Yamada, Toru; Ohta, Kouji; Umemura, Masayuki

2002-01-01T23:59:59.000Z

30

Hubble Space Telescope Observations of Sub-Damped Lyman-alpha Absorbers at z < 0.5, and Implications for Galaxy Chemical Evolution  

E-Print Network (OSTI)

We report observations of four sub-damped Lyman-alpha (sub-DLA) quasar absorbers at zsolar or super-solar metallicities and relatively modest ionization corrections; observations of more lines and detailed modeling will help to verify this. Combining our data with measurements from the literature, we confirm previous suggestions that the N(HI)-weighted mean metallicity of sub-DLAs exceeds that of DLAs at all redshifts studied, even after making ionization corrections for sub-DLAs. The absorber toward PHL 1598 shows significant dust depletion. The absorbers toward PHL 1226 and PKS 0439-433 show the S/P ratio consistent with solar, i.e., they lack a profound odd-even effect. The a...

Som, Debopam; Meiring, Joseph; York, Donald G; Péroux, Celine; Lauroesch, James T; Aller, Monique C; Khare, Pushpa

2015-01-01T23:59:59.000Z

31

A Subaru Search for Lyman-Alpha Emitters at z=5.8 with an Intermediate-Band Filter  

E-Print Network (OSTI)

We present the results of a survey for Ly-alpha emitters at z ~ 5.8 using a new intermediate-band filter centered at lambda_c = 8275 AA with Delta-lambda_FWHM = 340 AA (i.e., the spectroscopic resolution is R ~ 23) with a combination with a traditional narrow-band centered at lambda_c = 8150 AA with Delta-lambda_FWHM = 120 AA (R ~ 68). Our observations were made with use of the Subaru Prime Focus Camera, Suprime-Cam, on the 8.2 m Subaru telescope in a sky area surrounding the high redshift quasar, SDSSp J104433.04-012522.2 at z=5.74, covering an effective sky area with ~ 720 arcmin^2. In this survey, we have found four Ly-alpha-emitter candidates from the intermediate-band image (z \\~ 5.8 with Delta z ~ 0.3). Combined with our previous results based on the NB816 imaging, we discuss the star formation activity in galaxies between z ~ 5.7 and z ~ 5.9.

Ajiki, M; Fujita, S S; Shioya, Y; Nagao, T; Murayama, T; Yamada, S F; Umeda, K; Sasaki, S S; Sumiya, R; Komiyama, Yu; Ajiki, Masaru; Taniguchi, Yoshiaki; Fujita, Shinobu S.; Shioya, Yasuhiro; Nagao, Tohru; Murayama, Takashi; Yamada, Sanae F.; Umeda, Kazuyoshi; Sasaki, Shunji S.; Sumiya, Ryoko; Komiyama, Yutaka

2004-01-01T23:59:59.000Z

32

Coordinated UV-optical observations of quasars: the evolution of the Lyman absorption  

E-Print Network (OSTI)

The average flux decrement shortward the Ly$_{\\alpha}$ emission, due to the well-known ``forest'' of absorptions, has been measured in the spectra of 8 quasars. Quasi-simultaneous optical and IUE observations of the two low redshift quasars PKS 0637--75 (z=0.654) and MC 1104+16 (z=0.632) have been carried out, obtaining relatively high S/N, spectrophotometrically calibrated data on their energy distribution from the rest frame H$_{\\beta}$ to the Lyman continuum. Six more quasars in the redshift range 2.5-3.4 have been observed in the optical domain. For all the quasars the ``intrinsic'' continuum slope and normalization have been estimated longward the Ly$_{\\alpha}$ emission and extrapolated towards the Lyman continuum to measure the average depressions, which have been compared with the model statistics of the Ly$_{\\alpha}$ clouds. When all the known classes of absorbers are taken into account with plausible values for their equivalent width distribution and evolution, a good agreement is obtained with the observations. The results for the observed continuum decrement at $z \\sim 0.65$ are identical to those predicted by the evolution with redshift of the number of Ly$_{\\alpha}$ forest systems including the HST data and within $2\\sigma$ of the predicted value using the ``standard'' Ly$_{\\alpha}$ evolution (as determined only at high z).

S. Cristiani; E. Giallongo; L. M. Buson; C. Gouiffes; F. La Franca

1992-10-14T23:59:59.000Z

33

Final Scientific/Technical Report, DE-FG02-08ER41561: "Lyman-alpha Emitting Galaxies at 2  

SciTech Connect

Lyman Alpha Emitting (LAE) galaxies are a powerful tracer of large scale structure, making them an excellent probe of baryonic acoustic oscillations, which constrain the expansion history of the universe and hence the nature of the dark energy. The HETDEX Stage III dark energy experiment will utilize LAEs for this purpose, and they are under consideration as a tracer of structure for Stage IV ground- and space-based dark energy missions. Our successful investigation of LAEs at z=2.1 and z=3.1 now provides the best information on the number density and clustering bias of these galaxies over the redshift range that HETDEX will study. Connecting these star-forming galaxies to their host dark matter halos represents a major increase in scientific understanding, as we can now proceed with confidence in studying the spatial distribution of significantly larger samples. Our data also provided an empirical test of the Lyman Alpha Tomography technique, which has proven effective and can now be used to design future experiments to probe dark energy and dark matter properties.

Eric Gawiser

2010-03-19T23:59:59.000Z

34

Cosmological parameters sigma_8, the baryon density, and the UV background intensity from a calibrated measurement of H I Lyman-alpha absorption at z = 1.9  

E-Print Network (OSTI)

We identify a concordant model for the intergalactic medium (IGM) at redshift z=1.9 that uses popular values for cosmological and astrophysical parameters and accounts for all baryons with an uncertainty of 6%. We have measured the amount of absorption, DA, in the Ly-alpha forest at redshift 1.9 in spectra of 77 QSO from the Kast spectrograph. We calibrated the continuum fits with realistic artificial spectra, and we found that averaged over all 77 QSOs the mean continuum level is within 1-2% of the correct value. Absorption from all lines in the Ly-alpha forest at z=1.9 removes DA=15.1 +/- 0.7% of the flux between 1070 and 1170 (rest) Angstroms. This is the first measurement using many QSOs at this z, and the first calibrated measurement at any redshift. Metal lines absorb 2.3 +/- 0.5%, and LLS absorb 1.0 +/- 0.4% leaving 11.8 +/- 1.0% from the lower density bulk of the IGM. Averaging over Delta z=0.1 or 154 Mpc, the dispersion is 6.1 +/- 0.3% including LLS and metal lines, or 3.9 (+0.5, -0.7)% for the lower density IGM alone, consistent with the usual description of large scale structure. LLS and metal lines are major contributors to the variation in the mean flux, and they make the flux field significantly non-Gaussian. We find that a hydrodynamic simulation on a 1024 cubed grid in a 75.7 Mpc box reproduces the observed DA from the low density IGM with parameters values H_o=71 km/s/Mpc, Omega_Lambda=0.73, Omega_m=0.27, Omega_b=0.044, sigma_8=0.9 and a UV background that has an ionization rate that is 1.08 +/- 0.08 times the prediction by Madau, Haardt & Rees (1999).

David Tytler; David Kirkman; John M. O'Meara; Nao Suzuki; Adam Orin; Dan Lubin; Pascal Paschos; Tridivesh Jena; Wen-Ching Lin; Michael L. Norman

2004-03-31T23:59:59.000Z

35

Detection of Lyman-alpha emission from a DLA galaxy: Possible implications for a luminosity-metallicity relation at z = 2-3  

E-Print Network (OSTI)

In an ongoing programme to identify a sample of high z DLA galaxies we have found the long sought for case of a Ly-alpha emitter seen in the centre of a broad DLA trough. This is the predicted `textbook case' of an intervening DLA galaxy if DLA galaxies are small, but would not be expected if intervening high redshift DLA galaxies have large gaseous disks. The Ly-alpha flux is 5.4{+2}{-0.8} * 1e-17 ergs/s/cm2 similar to what has been found in previously known high z DLA galaxies. The impact parameter is found to be 0.3+-0.3 arcsec. This is smaller than what was found in previous cases but still consistent with random sight-lines through absorbers with mean impact parameter ~1 arcsec. Of the 24 DLAs targeted in the NICMOS imaging survey five have now been identified as Ly-alpha emitters. The DLA galaxies with detected Ly-alpha emission tend to have higher interstellar metallicities than those with undetected Ly-alpha emission. This is plausibly explained as a consequence of a positive correlation between the Ly-alpha line luminosities of the galaxies and their metallicities, although the present sample is too small for a definitive conclusion. The available observations of high-redshift DLA galaxies are also consistent with a negative correlation between Ly-alpha equivalent widths and metallicities, as seen in nearby star-forming galaxies and usually attributed to the preferential absorption of Ly-alpha photons by dust grains.

P. Moller; J. P. U. Fynbo; S. M. Fall

2004-06-13T23:59:59.000Z

36

Are high-redshift DLA galxies Lyman-break galaxies?  

E-Print Network (OSTI)

We use deep HST STIS and NICMOS images of three spectroscopically confirmed galaxy counterparts of high-redshift damped Ly-alpha (DLA) absorbers (one of which is a new discovery) to test the hypothesis that high-redshift DLA galaxies are Lyman-break galaxies. If this hypothesis is correct the emission properties of DLA galaxies must lie within the range of emission properties measured for Lyman-break galaxies of similar absolute magnitude. This will be true regardless of selection biases in the sample of detected DLA galaxies. We test this prediction using several emission properties: half-light radius, radial profile (Sersic n parameter), optical-to-near-infrared colour, morphology, Ly alpha emission equivalent width, and Ly alpha emission velocity structure. In all cases the measured values for the DLA galaxies lie within the range measured for the population of Lyman-break galaxies. None of the measurements is in conflict with the prediction. We conclude that the measured emission properties of the three DLA galaxies studied here are consistent with the conjecture that high-redshift DLA galaxies are Lyman-break galaxies. We show that this result does not conflict with the observation that the few high-redshift DLA galaxies discovered are mostly fainter than spectroscopically confirmed L* Lyman-break galaxies.

P. Møller; S. J. Warren; S. M. Fall; J. U. Fynbo; P. Jakobsen

2002-03-21T23:59:59.000Z

37

A SEARCH FOR OXYGEN IN THE LOW-DENSITY Ly{alpha} FOREST USING THE SLOAN DIGITAL SKY SURVEY  

SciTech Connect

We use 2167 Sloan Digital Sky Survey quasar spectra to search for low-density oxygen in the intergalactic medium (IGM). Oxygen absorption is detected on a pixel-by-pixel basis by its correlation with Ly{alpha} forest absorption. We have developed a novel locally calibrated pixel (LCP) search method that uses adjacent regions of the spectrum to calibrate interlopers and spectral artifacts, which would otherwise limit the measurement of O VI absorption. Despite the challenges presented by searching for weak O VI within the Ly{alpha} forest in spectra of moderate resolution and signal-to-noise, we find a highly significant detection of absorption by oxygen at 2.7 < z < 3.2 (the null hypothesis has a {chi}{sup 2} = 80 for nine data points). We interpret our results using synthetic spectra generated from a log-normal density field assuming a mixed quasar-galaxy photoionizing background and that it dominates the ionization fraction of detected O VI. The LCP search data can be fit by a constant metallicity model with [O/H] = -2.15{sup +0.07}{sub -0.09} but also by models in which low-density regions are unenriched and higher density regions have a higher metallicity. The density-dependent enrichment model by Aguirre et al. is also an acceptable fit. All our successful models have similar mass-weighted oxygen abundance, corresponding to [(O/H){sub MW}] = -2.45 {+-} 0.06. This result can be used to find the cosmic oxygen density in the Ly{alpha} forest, {Omega}{sub Oxy,IGM} = 1.4({+-}0.2) x 10{sup -6} {approx} 3 x 10{sup -4{Omega}}{sub b}. This is the tightest constraint on the mass-weighted mean oxygen abundance and the cosmic oxygen density in the Ly{alpha} forest to date and indicates that it contains {approx}16% of the total expected metal production by star formation up to z = 3.

Pieri, Matthew M.; Frank, Stephan; Mathur, Smita; Weinberg, David H. [Department of Astronomy, Ohio State University, 140 West 18th Avenue, Columbus, OH 43210 (United States); York, Donald G. [Department of Astronomy and Astrophysics, University of Chicago, Chicago, IL 60637 (United States); Oppenheimer, Benjamin D., E-mail: mpieri@astronomy.ohio-state.ed [Astronomy Department, University of Arizona, Tucson, AZ 85721 (United States)

2010-06-20T23:59:59.000Z

38

Molecular hydrogen in Lyman alpha emitters  

Science Journals Connector (OSTI)

......undamped by neutral hydrogen. The main features...calculated including dust production due to SNe II, assuming...to which the neutral hydrogen fraction of at z (5...2011a). 3MOLECULAR HYDROGEN PHYSICS H2 can be formed in galaxies by two main methods: the first, and rather......

Livia Vallini; Pratika Dayal; Andrea Ferrara

2012-04-21T23:59:59.000Z

39

Celebrating Lyman Spitzer, the father of PPPL and the Hubble...  

NLE Websites -- All DOE Office Websites (Extended Search)

Celebrating Lyman Spitzer, the father of PPPL and the Hubble Space Telescope By John Greenwald October 23, 2013 Tweet Widget Google Plus One Share on Facebook Lyman Spitzer,...

40

Star formation in damped Lyman-alpha systems and the outskirts of Lyman break galaxies  

E-Print Network (OSTI)

R. G. , Pers- son, S. E. , Bunker, A. , Bridge, C. R. , &M. , Haehnelt, M. , Bunker, A. , Becker, G. , Marleau, F. ,Journal, 635, 931 Bunker, A. J. , Wilkins, S. , Ellis, R.

Rafelski, Marc Alexander

2011-01-01T23:59:59.000Z

Note: This page contains sample records for the topic "lyman alpha forest" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


41

The {ital b} Distribution and the Velocity Structure of Absorption Peaks in the Ly{alpha} Forest  

SciTech Connect

A theory is developed that relates the observed {ital b} parameter of a Ly{alpha} absorption line to the velocity curvature of the corresponding peak in the optical depth fluctuation. Its relation to the traditional interpretation of {ital b} as the thermal broadening width is discussed. It is demonstrated that, independent of the details of the cosmological model, the differential {ital b} distribution has a high-{ital b} asymptote of dN/db{proportional_to}b{sup {minus}m}, where m{ge}5, when we make the reasonable assumption that low-curvature fluctuations are statistically favored over high-curvature ones. There in general always exist lines much broader than the thermal width. We develop a linear perturbative analysis of the optical depth fluctuation, which yields a single-parameter prediction for the full {ital b} distribution. In addition to exhibiting the high-velocity tail, it qualitatively explains the observed sharp low-{ital b} cutoff{emdash}a simple reflection of the fact that high-curvature fluctuations are relatively rare. Although the existence of the high-{ital b} asymptote, which is independent of the validity of the linear expansion, is consistent with the observed {ital b} distribution, a detailed comparison of the linear prediction with six observational data sets indicates that higher order corrections are not negligible. The perturbative analysis nonetheless offers valuable insights into the dependence of the {ital b} distribution on cosmological parameters such as {Omega} and the power spectrum. A key parameter is the effective smoothing scale of the optical depth fluctuation, which is in turn determined by three scales: the thermal broadening width, the baryon smoothing scale (approximately the Jeans scale), and the observation/simulation resolution. The first two are determined by reionization history, but are comparable in general, whereas the third varies by about an order of magnitude in current hydrodynamic simulations. Studies with non{endash}resolution-dominated {ital b} distributions can be used to probe the reionization history of the universe. {copyright} {ital {copyright} 1999.} {ital The American Astronomical Society}

Hui, L. [NASA/Fermilab Astrophysics Center, Fermi National Accelerator Laboratory, Batavia, IL 60510 (United States)] [NASA/Fermilab Astrophysics Center, Fermi National Accelerator Laboratory, Batavia, IL 60510 (United States); Rutledge, R.E. [Max-Planck-Institut fuer extraterrestrische Physik, Postfach 1603, D-85740 Garching (Germany)] [Max-Planck-Institut fuer extraterrestrische Physik, Postfach 1603, D-85740 Garching (Germany)

1999-06-01T23:59:59.000Z

42

The [ital b] Distribution and the Velocity Structure of Absorption Peaks in the Ly[alpha] Forest  

SciTech Connect

A theory is developed that relates the observed [ital b] parameter of a Ly[alpha] absorption line to the velocity curvature of the corresponding peak in the optical depth fluctuation. Its relation to the traditional interpretation of [ital b] as the thermal broadening width is discussed. It is demonstrated that, independent of the details of the cosmological model, the differential [ital b] distribution has a high-[ital b] asymptote of dN/db[proportional to]b[sup [minus]m], where m[ge]5, when we make the reasonable assumption that low-curvature fluctuations are statistically favored over high-curvature ones. There in general always exist lines much broader than the thermal width. We develop a linear perturbative analysis of the optical depth fluctuation, which yields a single-parameter prediction for the full [ital b] distribution. In addition to exhibiting the high-velocity tail, it qualitatively explains the observed sharp low-[ital b] cutoff[emdash]a simple reflection of the fact that high-curvature fluctuations are relatively rare. Although the existence of the high-[ital b] asymptote, which is independent of the validity of the linear expansion, is consistent with the observed [ital b] distribution, a detailed comparison of the linear prediction with six observational data sets indicates that higher order corrections are not negligible. The perturbative analysis nonetheless offers valuable insights into the dependence of the [ital b] distribution on cosmological parameters such as [Omega] and the power spectrum. A key parameter is the effective smoothing scale of the optical depth fluctuation, which is in turn determined by three scales: the thermal broadening width, the baryon smoothing scale (approximately the Jeans scale), and the observation/simulation resolution. The first two are determined by reionization history, but are comparable in general, whereas the third varies by about an order of magnitude in current hydrodynamic simulations. Studies with non[endash]resolution-dominated [ital b] distributions can be used to probe the reionization history of the universe. [copyright] [ital [copyright] 1999.] [ital The American Astronomical Society

Hui, L. (NASA/Fermilab Astrophysics Center, Fermi National Accelerator Laboratory, Batavia, IL 60510 (United States)); Rutledge, R.E. (Max-Planck-Institut fuer extraterrestrische Physik, Postfach 1603, D-85740 Garching (Germany))

1999-06-01T23:59:59.000Z

43

Name of Project Pi(s)/Institution(s)  

NLE Websites -- All DOE Office Websites (Extended Search)

focus * "Standard" SNIa model * Convection leading up to ignition * Deflagration * Detonation * Cosmology * Dark matter + hydro + self-gravity simulation of Lyman-alpha forest *...

44

Village of Lyman, Nebraska (Utility Company) | Open Energy Information  

Open Energy Info (EERE)

Lyman Lyman Place Nebraska Utility Id 11346 Utility Location Yes Ownership M NERC Location MRO NERC SPP Yes NERC WECC Yes Activity Distribution Yes References EIA Form EIA-861 Final Data File for 2010 - File1_a[1] LinkedIn Connections CrunchBase Profile No CrunchBase profile. Create one now! This article is a stub. You can help OpenEI by expanding it. Utility Rate Schedules Grid-background.png No rate schedules available. Average Rates Residential: $0.0923/kWh Commercial: $0.1380/kWh Industrial: $0.1630/kWh References ↑ "EIA Form EIA-861 Final Data File for 2010 - File1_a" Retrieved from "http://en.openei.org/w/index.php?title=Village_of_Lyman,_Nebraska_(Utility_Company)&oldid=412028" Categories: EIA Utility Companies and Aliases Utility Companies

45

Alpha Radiation  

NLE Websites -- All DOE Office Websites (Extended Search)

Basics of Radiation Basics of Radiation Gamma Radiation and X-Rays Beta Radiation Alpha Radiation Irradiation Radioactive Contamination Definitions Detection Measurement Safety Around Radiation Sources Types of Radiation Exposure Managing Radiation Emergencies Basics of Radiation Characteristics of Alpha Radiation 1. Alpha radiation is not able to penetrate skin. 2. Alpha-emitting materials can be harmful to humans if the materials are inhaled, swallowed, or absorbed through open wounds. 3. A variety of instruments have been designed to measure alpha radiation. Special training in use of these instruments is essential for making accurate measurements. 4. A civil defense instrument (CD V-700) cannot detect the presence of radioactive materials that produce alpha radiation unless the radioactive materials also produce beta and/or gamma radiation.

46

THE EVOLUTION OF LYMAN LIMIT ABSORPTION SYSTEMS TO REDSHIFT SIX  

SciTech Connect

We have measured the redshift evolution of the density of Lyman limit systems (LLSs) in the intergalactic medium over the redshift range 0 < z < 6. We have used two new quasar samples to (1) improve coverage at z {approx} 1, with GALEX grism spectrograph observations of 50 quasars with 0.8 < z{sub em} < 1.3, and (2) extend coverage to z {approx} 6, with Keck ESI spectra of 25 quasars with 4.17 < z{sub em} < 5.99. Using these samples together with published data, we find that the number density of LLS per unit redshift, n(z), can be well fit by a simple evolution of the form n(z) = n{sub 3.5}[(1 + z)/4.5]{sup {gamma}} with n{sub 3.5} = 2.80 {+-} 0.33 and {gamma} = 1.94{sup +0.36}{sub -0.32} for the entire range 0 < z < 6. We have also reanalyzed the evolution of damped Ly{alpha} systems (DLAs) in the redshift range 4 < z < 5 using our high-redshift quasar sample. We find a total of 17 DLAs and sub-DLAs, which we have analyzed in combination with published data. The DLAs with log H{sub I} column density > 20.3 show the same redshift evolution as the LLS. When combined with previous results, our DLA sample is also consistent with a constant {Omega}{sub DLA} = 9 x 10{sup -4} from z = 2 to z = 5. We have used the LLS number density evolution to compute the evolution in the mean free path (mfp) of ionizing photons. We find a smooth evolution to z {approx} 6, very similar in shape to that of Madau et al. but about a factor of two higher. Recent theoretical models roughly match to the z < 6 data but diverge from the measured power law at z>6 in different ways, cautioning against extrapolating the fit to the mfp outside the measured redshift range.

Songaila, Antoinette; Cowie, Lennox L. [W. M. Keck Observatory, which is jointly operated by the California Institute of Technology, University of California, and National Aeronautics and Space Administration. (United States)

2010-10-01T23:59:59.000Z

47

Properties of Ly-alpha and Gamma Ray Burst selected starbursts at high redshifts  

E-Print Network (OSTI)

Selection of starbursts through either deep narrow band imaging of redshifted Ly-alpha emitters, or localisation of host galaxies of gamma-ray bursts both give access to starburst galaxies that are significantly fainter than what is currently available from selection techniques based on the continuum (such as Lyman-break selection). We here present results from a survey for Ly-alpha emitters at z=3, conducted at the European Southern Observatory's Very Large Telescope. Furthermore, we briefly describe the properties of host galaxies of gamma-ray bursts at z>2. The majority of both Ly-alpha and gamma-ray burst selected starbursts are fainter than the flux limit of the Lyman-break galaxy sample, suggesting that a significant fraction of the integrated star formation at z~3 is located in galaxies at the faint end of the luminosity function.

J. P. U. Fynbo; B. Krog; K. Nilsson; G. Bjornsson; J. Hjorth; P. Jakobsson; C. Ledoux; P. Moller; B. Thomsen

2004-12-14T23:59:59.000Z

48

Lyman County, South Dakota: Energy Resources | Open Energy Information  

Open Energy Info (EERE)

Lyman County, South Dakota: Energy Resources Lyman County, South Dakota: Energy Resources Jump to: navigation, search Equivalent URI DBpedia Coordinates 43.9016694°, -99.8124935° Loading map... {"minzoom":false,"mappingservice":"googlemaps3","type":"ROADMAP","zoom":14,"types":["ROADMAP","SATELLITE","HYBRID","TERRAIN"],"geoservice":"google","maxzoom":false,"width":"600px","height":"350px","centre":false,"title":"","label":"","icon":"","visitedicon":"","lines":[],"polygons":[],"circles":[],"rectangles":[],"copycoords":false,"static":false,"wmsoverlay":"","layers":[],"controls":["pan","zoom","type","scale","streetview"],"zoomstyle":"DEFAULT","typestyle":"DEFAULT","autoinfowindows":false,"kml":[],"gkml":[],"fusiontables":[],"resizable":false,"tilt":0,"kmlrezoom":false,"poi":true,"imageoverlays":[],"markercluster":false,"searchmarkers":"","locations":[{"text":"","title":"","link":null,"lat":43.9016694,"lon":-99.8124935,"alt":0,"address":"","icon":"","group":"","inlineLabel":"","visitedicon":""}]}

49

The Gas Reservoir for present day Galaxies : Damped Ly-alpha Absorption Systems  

E-Print Network (OSTI)

We present results from an ongoing search for galaxy counterparts of a subgroup of Quasar Absorption Line Systems called Damped Ly-alpha Absorbers (DLAs). DLAs have several characteristics that make them essential in the process of understanding how galaxies formed in the early universe and evolved to the galaxies we see today in the local universe. Finally we compare DLAs with recent findings of a population of starforming galaxies at high redshifts, so called Lyman-break galaxies.

J. U. Fynbo; B. Thomsen; P. Moller

1999-12-14T23:59:59.000Z

50

Lyman Maynard Stowe Library 1 of 5 PDA Troubleshooting Shots 2006 Install (Windows Mobile 5)  

E-Print Network (OSTI)

Lyman Maynard Stowe Library 1 of 5 PDA Troubleshooting Shots 2006 Install (Windows Mobile 5) Step 1: StrongARM Processor for Pocket PC 2003 and later o Under Pocket PC Mobile 5.0 Shots 2006 CAB File ­ locate and download (save) the file: Shots 2006 Mobile 5.0 CAB Need Help? CEC 679-8870 #12;Lyman Maynard

Kim, Duck O.

51

The Overdense Environment of a Large Lyman-alpha Nebula at z~2.7  

E-Print Network (OSTI)

Large nebulae (>50 kpc) emitting strongly in Lya (also known as Lya ``blobs'') are likely signposts of ongoing massive galaxy formation. The relative rarity of these sources and their discovery in well-studied galaxy overdensities suggest that they may be associated with regions of high galaxy density. One of the largest Lya nebulae, discovered at a redshift of z~2.7 via its strong mid-infrared emission, provides an unbiased test of this association. We have carried out a deep intermediate-band imaging survey for Lya-emitting galaxies (LAEs) within a 30'x26' field of view around this Lya nebula. This is the first study of the environment of a Lya nebula found without a priori knowledge of its surroundings. We find that the nebula is located in an overdense region, at least 20x50 1/h_70 comoving Mpc in size, showing a factor of ~3 LAE number density enhancement relative to the edge of the field. Given the predicted number of such overdensities, we rule out the possibility of a chance coincidence at the <1% ...

Prescott, M K M; Dey, A; Matsuda, Y

2008-01-01T23:59:59.000Z

52

CMB Anisotropies from Outflows in Lyman Break Galaxies  

E-Print Network (OSTI)

Thomson scattering of the Cosmic Microwave Background (CMB) on moving electrons in the outflows of Lyman Break Galaxies (LBGs) at redshifts 2-8 contributes to the small-scale CMB anisotropies. The net effect produced by each outflow depends on its level of deviation from spherical symmetry, caused either by an anisotropic energy injection from the nuclear starburst or quasar activity, or by an inhomogeneous intergalactic environment. We find that for plausible outflow parameters consistent with spectroscopic observations of LBGs, the induced CMB anisotropies on arcminute scales reach up to $\\sim 1 \\mu$K, comparable to the level produced during the epoch of reionization.

Daniel Babich; Abraham Loeb

2006-09-14T23:59:59.000Z

53

TREES, WOODS AND FORESTS  

E-Print Network (OSTI)

SCOTLAND'S TREES, WOODS AND FORESTS #12;2 SCOTLAND'S TREES, WOODS AND FORESTS2 #12;SCOTLAND'S TREES, WOODS AND FORESTS 3 CONTENTS CHAPTER 1 SCOTLAND'S FORESTS CHAPTER 2 FORESTS FOR PEOPLE CHAPTER 3 FORESTS SCOTLAND'S TREES, WOODS AND FORESTS #12;4 SCOTLAND'S TREES, WOODS AND FORESTS4 This booklet is written

54

E-Print Network 3.0 - absorption laser-induced lyman- Sample...  

NLE Websites -- All DOE Office Websites (Extended Search)

Powered by Explorit Topic List Advanced Search Sample search results for: absorption laser-induced lyman- Page: << < 1 2 3 4 5 > >> 1 6412 J. Phys. Chcm. 1993,97, 64126417 H +0...

55

Forest Products  

Energy.gov (U.S. Department of Energy (DOE))

Purchased energy remains the third largest manufacturing cost for the forest products industry–despite its extensive use of highly efficient co-generation technology. The industry has worked with...

56

Are There Local Analogs of Lyman Break Galaxies?  

E-Print Network (OSTI)

To make direct comparisons in the rest-far-ultraviolet between LBGs at z~3 and more local star-forming galaxies, we use HST/STIS to image a set of 12 nearby (z<0.05) HII galaxies in the FUV and a set of 14 luminous compact blue galaxies (LCBGs) at moderate redshift (z~0.5) in the NUV, corresponding to the rest-FUV. We then subject both sets of galaxy images and those of LBGs at z~3 to the same morphological and structural analysis. We find many qualitative and quantitative similarities between the rest-FUV characteristics of distant LBGs and of the more nearby starburst samples, including general morphologies, sizes, asymmetries, and concentrations. Along with some kinematic similarities, this implies that nearby HII galaxies and LCBGs may be reasonable local analogs of distant Lyman break galaxies.

James D. Lowenthal; R. Nick Durham; Brian J. Lyons; Matthew A. Bershady; Jesus Gallego; Rafael Guzman; David C. Koo

2005-02-14T23:59:59.000Z

57

Mixed Conifer Forest  

Science Journals Connector (OSTI)

Mixed Conifer Forest occurs in an elevational band below Spruce-Fir Forest and above Ponderosa Pine Forest. It has diverse stands reflecting elevation, ... and others. A primary driver of Mixed Conifer Forest has...

John L. Vankat; John L. Vankat…

2013-01-01T23:59:59.000Z

58

Forest Lifeautumn | winter 2004 the forest!  

E-Print Network (OSTI)

Aberdeen Leeds Norwich Cardiff Southampton NEW FOREST POSTERN HILL FOREST OF DEAN THORPE WOODLANDForest Lifeautumn | winter 2004 F R E E Get fit in the forest! www.forestry.gov.uk #12;Inverness Birmingham Newcastle Glasgow Edinburgh Dundee Manchester Forest Life 2 From the tranquil setting of your own

59

Project Lyman: Quantifying 11 Gyrs of Metagalactic Ionizing Background Evolution  

E-Print Network (OSTI)

The timing and duration of the reionization epoch is crucial to the emergence and evolution of structure in the universe. The relative roles that star-forming galaxies, active galactic nuclei and quasars play in contributing to the metagalactic ionizing background across cosmic time remains uncertain. Deep quasar counts provide insights into their role, but the potentially crucial contribution from star-formation is highly uncertain due to our poor understanding of the processes that allow ionizing radiation to escape into the intergalactic medium (IGM). The fraction of ionizing photons that escape from star-forming galaxies is a fundamental free parameter used in models to "fine-tune" the timing and duration of the reionization epoch that occurred somewhere between 13.4 and 12.7 Gyrs ago (redshifts between 12 > z > 6). However, direct observation of Lyman continuum (LyC) photons emitted below the rest frame \\ion{H}{1} ionization edge at 912 \\AA\\ is increasingly improbable at redshifts z > 3, due to the stead...

McCandliss, Stephan R; Bergvall, Nils; Bianchi, Luciana; Bridge, Carrie; Bogosavljevic, Milan; Cohen, Seth H; Deharveng, Jean-Michel; Dixon, W Van Dyke; Ferguson, Harry; Friedman, Peter; Hayes, Matthew; Howk, J Christopher; Inoue, Akio; Iwata, Ikuru; Kaiser, Mary Elizabeth; Kriss, Gerard; Kruk, Jeffrey; Kutyrev, Alexander S; Leitherer, Claus; Meurer, Gerhardt R; Prochaska, Jason X; Sonneborn, George; Stiavelli, Massimo; Teplitz, Harry I; Windhorst, Rogier A

2012-01-01T23:59:59.000Z

60

Climate change cripples forests  

NLE Websites -- All DOE Office Websites (Extended Search)

Climate Change Cripples Forests Climate change cripples forests A team of scientists concluded that in the warmer and drier Southwest of the near future, widespread tree mortality...

Note: This page contains sample records for the topic "lyman alpha forest" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


61

Climate change cripples forests  

NLE Websites -- All DOE Office Websites (Extended Search)

Climate change cripples forests Climate change cripples forests A team of scientists concluded that in the warmer and drier Southwest of the near future, widespread tree mortality...

62

Scaling of Heat Transfer Coefficients Along Louvered Fins A. C. Lyman1  

E-Print Network (OSTI)

1 Scaling of Heat Transfer Coefficients Along Louvered Fins A. C. Lyman1 , R. A. Stephan2 , and K 23681-2199 #12;2 Abstract Louvered fins provide a method for improving the heat transfer performance for evaluating the spatially-resolved louver heat transfer coefficients using various reference temperatures

Thole, Karen A.

63

Velocity map imaging studies of the Lyman ? photodissociation mechanism for H atom production from hydrocarbons  

Science Journals Connector (OSTI)

H atoms produced in Lyman ? photolysis of ethane propane and ethylene have been studied using velocity map imaging techniques. Two types of H atoms are identified one formed along with an alkyl radical in the Rydberg state and the other by the subsequent decomposition of this Rydberg radical.

William M. Jackson; Roosevelt J. Price II; D. D. Xu; Jacek D. Wrobel; Musahid Ahmed; Darcy S. Peterka; Arthur G. Suits

1998-01-01T23:59:59.000Z

64

An alpha scintillation spectrometer  

E-Print Network (OSTI)

investi- gation of the properties of alpha radiation. In his work, the scin- tillations produced by alpha particles impinging on a zinc-sulphide screen were observed and counted visually with the aid of a low power microscope. The scintillations..., the source changing in the proportional counter is inconvenient, requiring a fairly elaborate gas handling and purifying system. Alpha particl s, when passing through a photographic emulsion, ionize the silver halide crystals with which they come...

Yates, Ralph Aaron

1952-01-01T23:59:59.000Z

65

FORESTS OF NEW ZEALAND  

Science Journals Connector (OSTI)

... the continued functioning of the forests than the regular supply of oil and grease to hydroelectric ...

1942-06-13T23:59:59.000Z

66

Imaging alpha particle detector  

DOE Patents (OSTI)

A method and apparatus for detecting and imaging alpha particles sources is described. A dielectric coated high voltage electrode and a tungsten wire grid constitute a diode configuration discharge generator for electrons dislodged from atoms or molecules located in between these electrodes when struck by alpha particles from a source to be quantitatively or qualitatively analyzed. A thin polyester film window allows the alpha particles to pass into the gas enclosure and the combination of the glass electrode, grid and window is light transparent such that the details of the source which is imaged with high resolution and sensitivity by the sparks produced can be observed visually as well. The source can be viewed directly, electronically counted or integrated over time using photographic methods. A significant increase in sensitivity over other alpha particle detectors is observed, and the device has very low sensitivity to gamma or beta emissions which might otherwise appear as noise on the alpha particle signal.

Anderson, D.F.

1980-10-29T23:59:59.000Z

67

Imaging alpha particle detector  

DOE Patents (OSTI)

A method and apparatus for detecting and imaging alpha particles sources is described. A conducting coated high voltage electrode (1) and a tungsten wire grid (2) constitute a diode configuration discharge generator for electrons dislodged from atoms or molecules located in between these electrodes when struck by alpha particles from a source (3) to be quantitatively or qualitatively analyzed. A thin polyester film window (4) allows the alpha particles to pass into the gas enclosure and the combination of the glass electrode, grid and window is light transparent such that the details of the source which is imaged with high resolution and sensitivity by the sparks produced can be observed visually as well. The source can be viewed directly, electronically counted or integrated over time using photographic methods. A significant increase in sensitivity over other alpha particle detectors is observed, and the device has very low sensitivity to gamma or beta emissions which might otherwise appear as noise on the alpha particle signal.

Anderson, David F. (Los Alamos, NM)

1985-01-01T23:59:59.000Z

68

Event counting alpha detector  

DOE Patents (OSTI)

An electrostatic detector is disclosed for atmospheric radon or other weak sources of alpha radiation. In one embodiment, nested enclosures are insulated from one another, open at the top, and have a high voltage pin inside and insulated from the inside enclosure. An electric field is produced between the pin and the inside enclosure. Air ions produced by collision with alpha particles inside the decay volume defined by the inside enclosure are attracted to the pin and the inner enclosure. With low alpha concentrations, individual alpha events can be measured to indicate the presence of radon or other alpha radiation. In another embodiment, an electrical field is produced between parallel plates which are insulated from a single decay cavity enclosure. 6 figs.

Bolton, R.D.; MacArthur, D.W.

1996-08-27T23:59:59.000Z

69

Metal Abundances in a Damped Lyman-alpha System Along Two Lines of Sight at z=0.93  

E-Print Network (OSTI)

We study metal abundances in the z=0.9313 damped Lya system observed in the two lines-of-sight, A and B, toward the gravitationally-lensed double QSO HE0512-3329. Spatially resolved STIS spectra constrain the neutral-gas column density to be LogN(HI)=20.5 in both Aand B. UVES spectra (spectral resolution FWHM=9.8 km/s) show, in contrast, significant line-of-sight differences in the column densities of MnII and FeII; these are not due to observational systematics. We find that [Mn/H]=-1.44 and [Fe/H]=-1.52 in damped Lya system A, while [Mn/H]=-0.98 and [Fe/H]>-1.32, and possibly as high as [Fe/H] approx. -1 in damped Lya system B. A careful assessment of possible systematic errors leads us to conclude that these transverse differences are significant at a 5 sigma level or greater. Although nucleosynthesis effects may also be at play, we favor differential dust-depletion as the main mechanism producing the observed abundance gradient. The transverse separation is 5 kpc at the redshift of the absorber, which is also likely to be the lensing galaxy. The derived abundances therefore probe two opposite sides of a single galaxy hosting both damped Lya systems. This is the first time firm abundance constraints have been obtained for a single damped system probed by two lines-of-sight. The significance of this finding for the cosmic evolution of metals is discussed.

S. Lopez; D. Reimers; M. D. Gregg; L. Wisotzki; O. Wucknitz; A. Guzman

2005-03-01T23:59:59.000Z

70

Colorado Statewide Forest Resource Assessment  

E-Print Network (OSTI)

Colorado Statewide Forest Resource Assessment A Foundation for Strategic Discussion and Implementation of Forest Management in Colorado #12;Acknowledgements The Colorado State Forest Service (CSFS, for providing leadership and oversight throughout the development of Colorado's Statewide Forest Resource

71

The Great Observatories Origins Deep Survey: Constraints on the Lyman Continuum Escape Fraction Distribution of Lyman--Break Galaxies at 3.4  

E-Print Network (OSTI)

We use ultra-deep ultraviolet VLT/VIMOS intermediate-band and VLT/FORS1 narrow-band imaging in the GOODS Southern field to derive limits on the distribution of the escape fraction (f_esc) of ionizing radiation for L >~ L*(z=3) Lyman Break Galaxies (LBGs) at redshift 3.4--4.5. Only one LBG, at redshift z=3.795, is detected in its Lyman continuum (LyC; S/N~5.5), the highest redshift galaxy currently known with a direct detection. Its ultraviolet morphology is quite compact (R_eff=0.8, kpc physical). Three out of seven AGN are also detected in their LyC, including one at redshift z=3.951 and z850 = 26.1. From stacked data (LBGs) we set an upper limit to the average f_esc in the range 5%--20%, depending on the how the data are selected (e.g., by magnitude and/or redshift). We undertake extensive Monte Carlo simulations that take into account intergalactic attenuation, stellar population synthesis models, dust extinction and photometric noise in order to explore the moments of the distribution of the escaping radi...

Vanzella, E; Inoue, A; Nonino, M; Fontanot, F; Cristiani, S; Grazian, A; Dickinson, M; Stern, D; Tozzi, P; Giallongo, E; Ferguson, H; Spinrad, H; Boutsia, K; Fontana, A; Rosati, P

2010-01-01T23:59:59.000Z

72

Forest Roads (Minnesota)  

Energy.gov (U.S. Department of Energy (DOE))

Proposed forest roads must be approved and designated by the Commissioner of the Department of Natural Resources.

73

MECS 2006- Forest Products  

Energy.gov (U.S. Department of Energy (DOE))

Manufacturing Energy and Carbon Footprint for Forest Products (NAICS 321, 322) Sector with Total Energy Input, October 2012 (MECS 2006)

74

TEXAS FOREST SERVICE FOREST RESOURCE PROTECTION DEPARTMENT  

E-Print Network (OSTI)

TEXAS FOREST SERVICE FOREST RESOURCE PROTECTION DEPARTMENT LUFKIN, TEXAS BASIC ELEMENTS OF A FIRE ORGANIZATION The primary requisites for organized fire fighting are: 1. An officially designated organization headed by a responsible Fire Chief charged with the responsibility of preventing and suppressing fire. 2

75

Forest Research: Climate Change  

E-Print Network (OSTI)

Forest Research: Climate Change projects Forest Research is part of the Forestry Commission of climate change-related research is wide-ranging, covering impact assessment and monitoring, adaptation around a quarter of its research budget with Forest Research on climate change and related programmes

76

Forest ecology Introduction  

E-Print Network (OSTI)

Forest ecology Introduction Forest ecology is a part of ecology that is con- cerned with forests as opposed to grasslands, savan- nas, or tundra. Ecology is the study of the processes of interaction among organisms and between organ- isms and their environment. Ecology is often subdi- vided into physiological

Johnson, Edward A.

77

Forest Carbon ? Sustaining an Important Climate Service  

Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

Drought * Invasives GROWTH RATE * Forest Type * Site * Age * Management Drivers of Forest Carbon Sequestration Changing Forests...Enduring Values Changing Forests...Enduring Values...

78

National Forest Land Scheme case study Kilfinan Community Forest Company  

E-Print Network (OSTI)

;The hill grazing land that became Acharossan Forest was acquired by the Forestry Commission in 1963National Forest Land Scheme case study Kilfinan Community Forest Company: Acharossan Forest The applicant Kilfinan Community Forest Company (KCFC) is a charitable company limited by guarantee established

79

A Deep HST Search for Escaping Lyman Continuum Flux at z~1.3: Evidence for an Evolving Ionizing Emissivity  

E-Print Network (OSTI)

We have obtained deep Hubble Space Telescope far-UV images of 15 starburst galaxies at z~1.3 in the GOODS fields to search for escaping Lyman continuum photons. These are the deepest far-UV images m_{AB}=28.7, 3\\sigma, 1" diameter) over this large an area (4.83 arcmin^2) and provide the best escape fraction constraints for any galaxy at any redshift. We do not detect any individual galaxies, with 3\\sigma limits to the Lyman Continuum (~700 \\AA) flux 50--149 times fainter (in f_nu) than the rest-frame UV (1500 \\AA) continuum fluxes. Correcting for the mean IGM attenuation (factor ~2), as well as an intrinsic stellar Lyman Break (~3), these limits translate to relative escape fraction limits of f_{esc,rel}4 and reionization of the intergalactic medium at z>6. [Abridged

Siana, Brian; Ferguson, Henry C; Brown, Thomas M; Giavalisco, Mauro; Dickinson, Mark; Chary, Ranga-Ram; de Mello, Duilia F; Conselice, Christopher J; Bridge, Carrie R; Gardner, Jonathan P; Colbert, James W; Scarlata, Claudia

2010-01-01T23:59:59.000Z

80

A SPECTROSCOPIC SEARCH FOR LEAKING LYMAN CONTINUUM AT z {approx} 0.7  

SciTech Connect

We present the results of rest-frame, UV slitless spectroscopic observations of a sample of 32 z {approx} 0.7 Lyman break galaxy (LBG) analogs in the COSMOS field. The spectroscopic search was performed with the Solar Blind Channel on the Hubble Space Telescope. We report the detection of leaking Lyman continuum (LyC) radiation from an active galactic nucleus-starburst composite. While we find no direct detections of LyC emission in the remainder of our sample, we achieve individual lower limits (3{sigma}) of the observed non-ionizing UV-to-LyC flux density ratios, f{sub {nu}} (1500 A)/f{sub {nu}}(830 A) of 20 to 204 (median of 73.5) and 378.7 for the stack. Assuming an intrinsic Lyman break of 3.4 and an intergalactic medium transmission of LyC photons along the line of sight to the galaxy of 85%, we report an upper limit for the relative escape fraction in individual galaxies of 0.02-0.19 and a stacked 3{sigma} upper limit of 0.01. We find no indication of a relative escape fraction near unity as seen in some LBGs at z {approx} 3. Our UV spectra achieve the deepest limits to date at any redshift for the escape fraction in individual sources. The contrast between these z {approx} 0.7 low escape fraction LBG analogs with z {approx} 3 LBGs suggests that either the processes conducive to high f{sub esc} are not being selected for in the z {approx}< 1 samples or the average escape fraction is decreasing from z {approx} 3 to z {approx} 1. We discuss possible mechanisms that could affect the escape of LyC photons.

Bridge, Carrie R.; Siana, Brian; Salvato, Mara; Rudie, Gwen C. [California Institute of Technology, 220-6, Pasadena, CA 91125 (United States); Teplitz, Harry I. [Infrared Processing and Analysis Center, MS 100-22, Caltech, Pasadena, CA 91125 (United States); Scarlata, Claudia; Colbert, James; Armus, Lee [Science Center, California Institute of Technology, 220-6, Pasadena, CA 91125 (United States); Conselice, Christopher J. [University of Nottingham, Nottingham, NG7 2RD (United Kingdom); Ferguson, Henry C.; Brown, Thomas M.; Giavalisco, Mauro [Space Telescope Science Institute, 3700 San Martin Drive, Baltimore, MD 21218 (United States); De Mello, Duilia F. [Department of Physics, Catholic University of America, 620 Michigan Avenue, Washington, DC 20064 (United States); Gardner, Jonathan P., E-mail: bridge@astro.caltech.ed [Astrophysics Science Division, Observational Cosmology Laboratory, Code 665, Goddard Space Flight Center, Greenbelt, MD 20771 (United States)

2010-09-01T23:59:59.000Z

Note: This page contains sample records for the topic "lyman alpha forest" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


81

Alpha-decay half-lives, alpha-capture and alpha-nucleus potential  

E-Print Network (OSTI)

The alpha-decay half-lives and the alpha-capture cross-sections are evaluated in the framework of unified model for alpha-decay and alpha-capture. In the framework of this model the alpha-decay and alpha-capture are considered as penetration of the alpha-particle through the potential barrier formed by nuclear, Coulomb and centrifugal interactions between alpha-particle and nucleus. The spins and the parities of parent and daughter nuclei as well as the quadrupole and hexadecapole deformations of daughter nuclei are taken into account for evaluation of the alpha-decay half-lives. The alpha-decay half-lives for 344 nuclei and the alpha-capture cross-sections of 40Ca, 44Ca, 59Co, 208Pb and 209Bi agree well with the experimental data. The evaluated alpha-decay half-lives within the range 10^{-9} alpha-emitters are tabulated.

V. Yu. Denisov; A. A. Khudenko

2009-02-04T23:59:59.000Z

82

Forest Products (2010 MECS)  

Energy.gov (U.S. Department of Energy (DOE))

Manufacturing Energy and Carbon Footprint for Forest Products Sector (NAICS 321, 322) Energy use data source: 2010 EIA MECS (with adjustments) Footprint Last Revised: February 2014

83

ARM - Black Forest News  

NLE Websites -- All DOE Office Websites (Extended Search)

News Campaign Images Black Forest News ARM Mobile Facility Completes Field Campaign in Germany January 15, 2008 Microwave Radiometers Put to the Test in Germany September 15, 2007...

84

Opportunities for Future Forest  

E-Print Network (OSTI)

.V.Birnie * Forest Research 1 #12;This document has been prepared in accordance with the requirements of the ISO 9001

85

United States Forest Service - Forest Service NEPA Procedures...  

Open Energy Info (EERE)

windex.php?titleUnitedStatesForestService-ForestServiceNEPAProceduresandGuidance&oldid793474" Categories: References Geothermal References Solar References Utilities...

86

Harvard Forest Environmental Measurement Site  

E-Print Network (OSTI)

Harvard University #12;Site Descrip>on · Mixed hardwood and conifer forest · 40Harvard Forest Environmental Measurement Site Petersham, MA Evan Goldman interannual variability and long-term trends in fluxes and forest physiological responses

87

Lensing by Lyman Limit Systems: Determining the Mass to Gas Ratio  

E-Print Network (OSTI)

We present a new method to determine the total mass-to-neutral gas ratio in Lyman-limits systems. The method exploits the relation between the neutral hydrogen column density and the magnification of background sources due to the weak gravitational lensing that these systems induce. Because weak lensing does not provide a direct measure of mass, one must use this relation in a statistical sense to solve for the average mass-to-gas ratio and its distribution. We use a detailed mock catalog of quasars (sources) and Lyman-limit systems (lenses) to demonstrate the applicability of this approach through our ability to recover the parameter. This mock catalog also allows us to check for systematics in the method and to sketch its limitations. For a universal constant mass-to-gas ratio and a sample of N quasars, we obtain an unbiased estimate of its value with 95% confidence limits (independent of its actual value) of +/- 140 {10^5/N)^0.5.

Ariyeh Maller; Tsafrir Kolatt; Matthias Bartelmann; George R. Blumenthal

2001-01-11T23:59:59.000Z

88

THE KINEMATICS OF IONIZED GAS IN LYMAN-BREAK ANALOGS AT z {approx} 0.2  

SciTech Connect

We present results for 19 'Lyman-break analogs' observed with Keck/OSIRIS with an adaptive-optics-assisted spatial resolution of less than 200 pc. We detect satellites/companions, diffuse emission, and velocity shear, all with high signal-to-noise ratios. These galaxies present remarkably high velocity dispersion along the line of sight ({approx}70 km s{sup -1}), much higher than standard star-forming spirals in the low-redshift universe. We artificially redshift our data to z {approx} 2.2 to allow for a direct comparison with observations of high-z Lyman-break galaxies and find striking similarities between both samples. This suggests that either similar physical processes are responsible for their observed properties, or, alternatively, that it is very difficult to distinguish between different mechanisms operating in the low- versus high-redshift starburst galaxies based on the available data. The comparison between morphologies in the UV/optical continuum and our kinemetry analysis often shows that neither is by itself sufficient to confirm or completely rule out the contribution from recent merger events. We find a correlation between the kinematic properties and stellar mass, in that more massive galaxies show stronger evidence for a disk-like structure. This suggests a co-evolutionary process between the stellar mass buildup and the formation of morphological and dynamical substructure within the galaxy.

Goncalves, Thiago S.; Martin, D. Christopher; Wyder, Ted K. [California Institute of Technology, MC 278-17, Pasadena, CA 91125 (United States); Basu-Zych, Antara [NASA Goddard Space Flight Center, Laboratory for X-ray Astrophysics, Greenbelt, MD 20771 (United States); Overzier, Roderik [Max-Planck-Institut fuer Astrophysik, D-85748 Garching (Germany); Law, David R.; Mallery, Ryan; Rich, R. Michael [Department of Physics and Astronomy, Division of Astronomy and Astrophysics, University of California, Los Angeles, CA 90095 (United States); Schiminovich, David [Department of Astronomy, Columbia University, MC 2457, 550 West 120th Street, New York, NY 10027 (United States); Heckman, Timothy H., E-mail: tsg@astro.caltech.ed [Department of Physics and Astronomy, The Johns Hopkins University, 3400 North Charles Street, Baltimore, MD 21218 (United States)

2010-12-01T23:59:59.000Z

89

Forest Service Research Note  

E-Print Network (OSTI)

Hills fire of October 30-November 1, 1967 showing observation sites, Cleveland National Forest, southernU.S.O.A. Forest Service Research Note PSW-183 ABSTRACT: Two fires burned in the same area was rruch more disastrous than the Pine Hills fire of 1967. The earlier fire claimed 11 lives, and covered

Standiford, Richard B.

90

The Forest Preserve District  

NLE Websites -- All DOE Office Websites (Extended Search)

Forest Preserve District Forest Preserve District Nature Bulletin No. 109 March 29, 1947 Forest Preserve District of Cook County William N. Erickson, President Roberts Mann, Supt. of Conservation THE FOREST PRESERVE DISTRICT Forest Preserve Districts, in Illinois, are separate municipal bodies governed by a Board of Forest Preserve Commissioners consisting of the elected county commissioners, as in Cook County, or by a committee of the county board of supervisors, as in 7 other counties. The legislative act which provided for such a district, if authorized by referendum vote of the people, became a law on July 1, 1914. Under that act, the commissioners are empowered to levy taxes, issue bonds, and to acquire lands containing forests "for the purpose of protecting and preserving the flora, fauna and scenic beauties.... and to restore, restock, protect and preserve the natural forests and said lands with their flora and fauna, as nearly as may be in their natural state and condition for the purpose of the education, pleasure and recreation of the public". A limit of 35,000 acres was set; later increased to 39,000.

91

Shearing-Patch Sampling Applied to the Lyman-Cloud/Intercloud Medium J. W. Wadsley and J. R. Bond  

E-Print Network (OSTI)

Shearing-Patch Sampling Applied to the Lyman- Cloud/Intercloud Medium J. W. Wadsley and J. R. Bond of modest sample patches constrained to have bulk physical properties which characterize the main statistical variations from sample to sample. Statistical quantities computed for each simulated patch

Bond, Dick

92

Majoring in Forest Resources & Conservation  

E-Print Network (OSTI)

interested in consulting, real estate or working for forest industry. The program emphasizes sustainable

Watson, Craig A.

93

PACIFIC SOUTHWEST Forest and Range  

E-Print Network (OSTI)

C. Hathaway, both of the Black Hills National Forest, Custer, South Dakota, provided the necessaryPACIFIC SOUTHWEST Forest and Range FOREST SERVICE U. S.DEPARTMENT OF AGRICULTURE P.O. BOX 245, BERKELEY, CALIFORNIA 94701 Experiment Station USDA FOREST SERVICE RESEARCH PAPER PSW- 96 /1973 #12;CONTENTS

Standiford, Richard B.

94

Howland Forest David Hollinger, USDA Forest Service  

E-Print Network (OSTI)

; · An old-growth forest is a unique ecological endpoint · Long-term record of carbon is on factors that regulate long term carbon storage · Infrastructure · Topography experiment (21 ha) Canopy application, 18 kg N ha-1 y-1 (NH4NO3) C Sequestration Assessed in 3 Ways: · Eddy

95

E-Print Network 3.0 - alpha-alpha interaction contribution Sample...  

NLE Websites -- All DOE Office Websites (Extended Search)

of Alberta Collection: Computer Technologies and Information Sciences 55 Join The Gator Nation GENERAL INFORMATION 2011-12 Summary: Pi Alpha Gamma Rho Alpha Kappa Alpha...

96

The HST/ACS+WFC3 Survey for Lyman Limit Systems II: Science  

E-Print Network (OSTI)

We present the first science results from our Hubble Space Telescope Survey for Lyman limit absorption systems (LLS) using the low dispersion spectroscopic modes of the Advanced Camera for Surveys and the Wide Field Camera 3. Through an analysis of 71 quasars, we determine the incidence frequency of LLS per unit redshift and per unit path length, l(z) and l(x) respectively, over the redshift range 1 stacked spectrum analysis, we determine a median (mean) value of the mean free path to ionizing radiation at z=2.4 of lambda_mfp = 243(252)h^(-1) Mpc, with an error on the mean value of +/- 43h^(-1) Mpc. We also re-evaluate the estimates of lambda_mfp from Prochaska et al. (2009) and place constraints on the evolution of lambda_mfp with redshift, including an estimate of the "breakthrough" redshift of z = 1.6. Consistent with results at higher z, we...

O'Meara, John M; Worseck, Gabor; Chen, Hsiao-Wen; Madau, Piero

2012-01-01T23:59:59.000Z

97

Uncertainties on alpha_S in global PDF analyses  

E-Print Network (OSTI)

We determine the uncertainty on the strong coupling alpha_S due to the experimental errors on the data fitted in global analysis of hard-scattering data, within the standard framework of leading-twist fixed-order collinear factorisation in the MSbar scheme, finding that alpha_S(M_Z^2) = 0.1202^{+0.0012}_{-0.0015} at next-to-leading order and alpha_S(M_Z^2) = 0.1171^{+0.0014}_{-0.0014} at next-to-next-to-leading order. We investigate the interplay between uncertainties on alpha_S and uncertainties on parton distribution functions (PDFs). We show, for the first time, how both these sources of uncertainty can be accounted for simultaneously in calculations of cross sections, and we provide eigenvector PDF sets with different fixed alpha_S values to allow further studies by the general user. We illustrate the application of these PDF sets by calculating cross sections for W, Z, Higgs boson and inclusive jet production at the Tevatron and LHC.

Martin, A D; Thorne, R S; Watt, G

2009-01-01T23:59:59.000Z

98

Climate change cripples forests  

NLE Websites -- All DOE Office Websites (Extended Search)

Climate change cripples forests Climate change cripples forests Climate change cripples forests A team of scientists concluded that in the warmer and drier Southwest of the near future, widespread tree mortality will cause forest and species distributions to change substantially. October 1, 2012 A dead pinon at the edge of the Grand Canyon, harbinger of the future for trees in the Southwest United States. Photo courtesy A. Park Williams. A dead pinon at the edge of the Grand Canyon, harbinger of the future for trees in the Southwest United States. Photo courtesy A. Park Williams. Contact Nancy Ambrosiano Communications Office (505) 667-0471 Email "There will still be wet winters, but they will more often be followed by warm summers, putting stress on trees and limiting their ability to respond

99

Climate change cripples forests  

NLE Websites -- All DOE Office Websites (Extended Search)

Climate Change Cripples Forests Climate Change Cripples Forests Climate change cripples forests A team of scientists concluded that in the warmer and drier Southwest of the near future, widespread tree mortality will cause forest and species distributions to change substantially. October 1, 2012 A dead pinon at the edge of the Grand Canyon, harbinger of the future for trees in the Southwest United States. Photo courtesy A. Park Williams. A dead pinon at the edge of the Grand Canyon, harbinger of the future for trees in the Southwest United States. Photo courtesy A. Park Williams. Contact Nancy Ambrosiano Communications Office (505) 667-0471 Email "There will still be wet winters, but they will more often be followed by warm summers, putting stress on trees and limiting their ability to respond

100

Climate change cripples forests  

NLE Websites -- All DOE Office Websites (Extended Search)

Climate Change Cripples Forests Climate Change Cripples Forests Climate change cripples forests A team of scientists concluded that in the warmer and drier Southwest of the near future, widespread tree mortality will cause forest and species distributions to change substantially. October 1, 2012 A dead pinon at the edge of the Grand Canyon, harbinger of the future for trees in the Southwest United States. Photo courtesy A. Park Williams. A dead pinon at the edge of the Grand Canyon, harbinger of the future for trees in the Southwest United States. Photo courtesy A. Park Williams. Contact Nancy Ambrosiano Communications Office (505) 667-0471 Email "There will still be wet winters, but they will more often be followed by warm summers, putting stress on trees and limiting their ability to respond

Note: This page contains sample records for the topic "lyman alpha forest" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


101

Selecting a Consulting Forester  

E-Print Network (OSTI)

Landowners often need professional help after a weather-related disaster has damaged timber stands. A consulting forester can help a landowner develop management strategies that fit the landowner's objectives. This publication includes a checklist...

Taylor, Eric; Foster, C. Darwin

2005-10-19T23:59:59.000Z

102

Derr Track Storage Bldg Sigma Alpha  

E-Print Network (OSTI)

!( Derr Track Storage Bldg Solar House Entomology Lab Bldg Sigma Alpha Epsilon 11 MEAS Ocean Lab & Storage Avent Ferry Complex Building Sigma Phi Epsilon 7 Pi Kappa Alpha 10 Sigma Alpha Mu 4 Tau Kappa

Reeves, Douglas S.

103

Forest Preserve Wildlife  

NLE Websites -- All DOE Office Websites (Extended Search)

Forest Preserve Wildlife Forest Preserve Wildlife Nature Bulletin No. 437-A December 11, 1971 Forest Preserve District of Cook County George W. Dunne, President Roland F. Eisenbeis, Supt. of Conservation FOREST PRESERVE WILDLIFE The Forest Preserve District now comprises about 62,512 acres of native landscape, mostly wooded, acquired and held as the statute prescribes: for the purpose of protecting the flora, fauna and scenic beauties in their natural state and condition as nearly as may be. It is a huge wildlife sanctuary wherein no weapon may be carried and no hunting, trapping or molestation of any mammal or bird is permitted. Aside from fish management, the wildlife has been left alone to work out its own systems of checks and balances. There has been no attempt to remove surplus populations; no control of any predator other than wild cats and dogs. None is needed. Dead or hollow trees have been allowed to stand, or lie where they fall, because they furnish homes for many kinds of wildlife and go back into the soil to maintain the health of the woodland. There has been considerable reforestation of open tracts formerly farmed and, in some areas, planting of shrubs and vines which provide food for wildlife.

104

ASEM Conference on Forests, forest governance and timber products trade  

E-Print Network (OSTI)

and illegal logging: drivers for change in the forest sector Thang Hooi Chiew (ASEAN) "Promoting Forest Law Enforcement and Governance (FLEG) through the ASEAN Regional Knowledge Network on FLEG in ASEAN Member States) ­ Enhancing intra-and extra- ASEAN trade and competitiveness of ASEAN forest products Discussion 10:30 - 11

105

1CHILE'S FRONTIER FORESTS: CONSERVING A GLOBAL TREASURE FRONTIER FORESTS  

E-Print Network (OSTI)

A GLOBAL TREASURE Eduardo Neira HernánVerscheure CarmenRevenga Map production and GIS Analysis Eduardo. BIBLIOGRAPHY 39 ANNEX I: MAPS OF FRONTIER FORESTS, OTHER VEGETATIVE COVER, PROTECTED AREAS, AND FOREST: CONSERVING A GLOBAL TREASURE LIST OF MAPS Map 1 Frontier forests, other vegetative cover, protected areas

106

1CHILE'S FRONTIER FORESTS: CONSERVING A GLOBAL TREASURE FRONTIER FORESTS  

E-Print Network (OSTI)

A GLOBAL TREASURE Eduardo Neira HernánVerscheure CarmenRevenga Map production and GIS Analysis Eduardo 4.4.4 Altered or disturbed forests 35 5. CONCLUSIONS 37 6. BIBLIOGRAPHY 39 ANNEX I: MAPS OF FRONTIER OF MAPS Map 1 Frontier forests, other vegetative cover, protected areas, and forest activities

107

Damped Ly-alpha Systems in Semi-Analytic Models: Sensitivity to dynamics, disk properties, and cosmology  

E-Print Network (OSTI)

Previously we have shown that it is possible to account for the kinematic properties of damped Lyman alpha systems (DLAS) in the context of semi-analytic models. In these models, hierarchical structure formation is approximated by constructing a merger tree for each dark matter halo. A natural consequence is that every virialized halo may contain not only a central galaxy, but also a number of satellite galaxies as determined by its merging history. Thus the kinematics of the DLAS arise from the combined effects of the internal rotation of gas disks and the motions between gas disks within a common halo. Here we investigate the sensitivity of this model to some of the assumptions made previously, including the modeling of satellite dynamics, the scale height of the gas, and the cosmology.

Ariyeh H. Maller; Rachel S. Somerville; Jason X. Prochaska; Joel R. Primack

2000-02-24T23:59:59.000Z

108

Majoring in Forest Resources & Conservation  

E-Print Network (OSTI)

FOR 3153C Forest Ecology 3 credits FOR 4664 Sustainable Ecotourism Development 3 credits SWS 3022 and SWS

Hill, Jeffrey E.

109

Forests of the Belgian Congo  

Science Journals Connector (OSTI)

... UNDER the title of "Forest Species and Timbers U of the Congo" the Institut National pour rfitude Agronomique du ...

E. P. STEBBING

1953-12-26T23:59:59.000Z

110

The Integrated Forest Management Programme  

E-Print Network (OSTI)

weevil is so damaging to young conifer transplants that it is the only UK forest pest against whichThe Integrated Forest Management Programme 1 Adult pine weevils showing natural variation in size objectives of the Integrated Forest Management (IFM) programme is the co- ordination and development

111

PACIFIC SOUTHWEST Forest and Range  

E-Print Network (OSTI)

Donald, Philip M. 1973. Cutting a young-growth, mixed-conifer stand to California Forest Practice Act StandardsPACIFIC SOUTHWEST Forest and Range Experiment Station FOREST SERVICE U. S. DEPARTMENT OF AGRICULTURE P.O. BOX 245, BERKELEY, CALIFORNIA 94701 Cutting a Young-Growth, Mixed-Conifer Stand to California

Standiford, Richard B.

112

1111 Emulating Natural Forest Landscape  

E-Print Network (OSTI)

1111 1111 Emulating Natural Forest Landscape Disturbances Concepts and Applications Edited by AJITH forest landscape disturbances: concepts and applications / edited by Ajith H. Perera, LisaJ. Buse, THOMAS A. SPIES , and ETSUKO NONAKA Forest landscapes in the Oregon Coast Range have changed considerably

Wright, Dawn Jeannine

113

FOREST CENTRE STORAGE BUILDING  

E-Print Network (OSTI)

FOREST CENTRE STORAGE BUILDING 3 4 5 6 7 8 UniversityDr. 2 1 G r e n f e l l D r i v e MULTI BUILDING STORAGE BUILDING LIBRARY & COMPUTING FINE ARTS FOREST CENTRE ARTS &SCIENCE BUILDING ARTS &SCIENCE BUILDING A&S BUILDING EXTENSIO N P7 P5.1 P5 P2 P3.1 P3.2 P6 P8 P4 P2 P2 P4 P8 P2.4 PARKING MAP GRENFELL

deYoung, Brad

114

NPP Boreal Forest: Superior National Forest, U.S.A.  

NLE Websites -- All DOE Office Websites (Extended Search)

Superior National Forest, U.S.A., 1983-1984 Superior National Forest, U.S.A., 1983-1984 Data Citation Cite this data set as follows: Hall, F. G. 1997. NPP Boreal Forest: Superior National Forest, U.S.A., 1983-1984. Data set. Available on-line [http://www.daac.ornl.gov] from Oak Ridge National Laboratory Distributed Active Archive Center, Oak Ridge, Tennessee, U.S.A. Description Productivity of a boreal forest was determined at 31 spruce and 30 aspen forest stands in the Superior National Forest (SNF) near Ely, Minnesota, U.S.A., in 1983 and 1984 by the National Aeronautics and Space Administration. The purpose of the experiment was to investigate the ability of remote sensing to provide estimates of biophysical properties of ecosystems, such as leaf area index (LAI), biomass and net primary productivity (NPP). These ground-based estimates of above-ground biomass

115

Forest Biomass and Lignocellulosic Materials Forest-derived biopolymers lignin and cellulose  

E-Print Network (OSTI)

Forest Biomass and Lignocellulosic Materials Forest-derived biopolymers lignin and cellulose of sustainable products such as nanocellulose and biocomposites from forest biomass; biorefining to develop high

Li, Mo

116

How resilient are southwestern ponderosa pine forests after crown fires?  

E-Print Network (OSTI)

forest grades into mixed-conifer forest with few understoryproportion of mixed-conifer forest species, specifically

Savage, M; Mast, J N

2005-01-01T23:59:59.000Z

117

Grazing Management in Broadleaf Forests  

E-Print Network (OSTI)

zones1- Tropical Broadleaf Forest Zone, Sub-tropical Broadleaf Forest Zone and Warm Temperate Broadleaf Forest Zone. Scattered patches of broadleaf forests (e.g. oak, maple and birch) also occur in the Cool Temperate Zone (2500-300m) in association... are little represented in the lower diameter class and a few of them in the higher diameter class are old and dying (Figure 5). In an Figure 4: Number of trees per hectare in Dungna Road forest in 1990 (Laumans) and 1998 1 10 100 1000 10-19 20-29 30...

Norbu, Lungten

2002-01-01T23:59:59.000Z

118

International Conference MANAGING FORESTS  

E-Print Network (OSTI)

of Edinburgh, UK 1600-1620 Early thinning of energy wood in dense mixtures of Norway spruce and birch and carbon sequestration in Norway spruce stand: life cycle perspective Ashraful Alam, University of Eastern Finland, Finland 1640-1700 Long term effect of silviculture measures on forest-floor under Norway spruce

119

Ohio's Forests Resource Bulletin  

E-Print Network (OSTI)

. Butler, Grant M. Domke, Douglas M. Griffith, Cassandra M. Kurtz, W. Keith Moser, Randall S. Morin, Mark D. Nelson, Rachel Riemann, and Christopher W. Woodall Contact Author: Richard Widmann, rwidmann Station, Amherst, MA. Grant M. Domke, Mark D. Nelson, and Christopher W. Woodall are research foresters

120

Forest Landscape Description and  

E-Print Network (OSTI)

Forest Landscape Description and Inventories a basis for landplanning and design Pacific Southwest landscape description and inventories ­ a basis for land plan- ning and design. Berkeley, Calif., Pacific SW. Illustrates their application in two inventories made to aid managers and landscape architects in planning

Standiford, Richard B.

Note: This page contains sample records for the topic "lyman alpha forest" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


121

Alice Holt Forest The Forest Research Alice Holt Research Station is located in the centre of the Forest  

E-Print Network (OSTI)

on page 4. Tree species The range of conifer species represented across Alice Holt forest is shownAlice Holt Forest Factsheet 1 Location The Forest Research Alice Holt Research Station is located in the centre of the Forest (National Grid reference SU 813427). The Forest of some 850 hectares straddles

122

Workshop on Precision Measurements of $\\alpha_s$  

SciTech Connect

These are the proceedings of the Workshop on Precision Measurements of {alpha}{sub s} held at the Max-Planck-Institute for Physics, Munich, February 9-11, 2011. The workshop explored in depth the determination of {alpha}{sub s}(m{sub Z}) in the {ovr MS} scheme from the key categories where high precision measurements are currently being made, including DIS and global PDF fits, {tau}-decays, electro-weak precision observables and Z-decays, event-shapes, and lattice QCD. These proceedings contain a short summary contribution from the speakers, as well as the lists of authors, conveners, participants, and talks.

Bethke, Siegfried; /Munich, Max Planck Inst.; Hoang, Andre H.; /Vienna U.; Kluth, Stefan; /Munich, Max Planck Inst.; Schieck, Jochen; /Munich U.; Stewart, Iain W.; Aoki, S.; Beneke, M.; Bethke, S.; Blumlein, J.; Brambilla, N.; Brodsky, S.; /MIT, LNS

2011-10-01T23:59:59.000Z

123

Forests for People Access, recreation & tourism  

E-Print Network (OSTI)

Strategy Forests for People Access, recreation & tourism on the national forest estate #12;#12;Access, recreation and tourism on the national forest estate | 3 Forests for People Access, recreation suite of outdoor recreation infrastructure. The national forest estate is a place for all types

124

MixedConifer Forests in Southwest Colorado  

E-Print Network (OSTI)

April 2010 Mixed­Conifer Forests in Southwest Colorado A Summary of Existing Knowledge and Considerations for Restoration and Management #12;Mixed Conifer Forests in Southwest Colorado 1Mixed-Conifer Forests in Southwest Colorado 1 ABOUT THE COLORADO FOREST RESTORATION INSTITUTE The Colorado Forest

125

BIODIVERSITY Projecting the distribution of forests in  

E-Print Network (OSTI)

­100% of boreal conifer forest in New England by the late 21st century. The range of mixed oak­hickory forests in oak­hickory forests coincide with an approximate 556 m upslope retreat of the boreal conifer forest climate warming in the 21st century is likely to cause the extensive loss of boreal conifer forests

Beckage, Brian

126

BIASES AND UNCERTAINTIES IN PHYSICAL PARAMETER ESTIMATES OF LYMAN BREAK GALAXIES FROM BROADBAND PHOTOMETRY  

SciTech Connect

We investigate the biases and uncertainties in estimates of physical parameters of high-redshift Lyman break galaxies (LBGs), such as stellar mass, mean stellar population age, and star formation rate (SFR), obtained from broadband photometry. These biases arise from the simplifying assumptions often used in fitting the spectral energy distributions (SEDs). By combining {lambda}CDM hierarchical structure formation theory, semianalytic treatments of baryonic physics, and stellar population synthesis models, we construct model galaxy catalogs from which we select LBGs at redshifts z {approx} 3.4, 4.0, and 5.0. The broadband photometric SEDs of these model LBGs are then analyzed by fitting galaxy template SEDs derived from stellar population synthesis models with smoothly declining SFRs. We compare the statistical properties of LBGs' physical parameters-such as stellar mass, SFR, and stellar population age-as derived from the best-fit galaxy templates with the intrinsic values from the semianalytic model. We find some trends in these distributions: first, when the redshift is known, SED-fitting methods reproduce the input distributions of LBGs' stellar masses relatively well, with a minor tendency to underestimate the masses overall, but with substantial scatter. Second, there are large systematic biases in the distributions of best-fit SFRs and mean ages, in the sense that single-component SED-fitting methods underestimate SFRs and overestimate ages. We attribute these trends to the different star formation histories predicted by the semianalytic models and assumed in the galaxy templates used in SED-fitting procedure, and to the fact that light from the current generation of star formation can hide older generations of stars. These biases, which arise from the SED-fitting procedure, can significantly affect inferences about galaxy evolution from broadband photometry.

Lee, Seong-Kook; Idzi, Rafal [Department of Physics and Astronomy, Johns Hopkins University, 3400 North Charles Street, Baltimore, MD 21218-2686 (United States); Ferguson, Henry C.; Somerville, Rachel S.; Wiklind, Tommy [Space Telescope Science Institute, 3700 San Martin Drive, Baltimore, MD 21218 (United States); Giavalisco, Mauro [Astronomy Department, University of Massachusetts, Amherst, MA 01003 (United States)], E-mail: joshua@pha.jhu.edu

2009-09-01T23:59:59.000Z

127

The Clustering Properties of Lyman-Break Galaxies at Redshift z~3  

E-Print Network (OSTI)

We present a new measure of the angular two-point correlation function of Lyman-break galaxies (LBGs) at z~3, obtained from the variance of galaxy counts in 2-dimensional cells. By avoiding binning of the angular separations, this method is significantly less affected by shot noise than traditional measures, and allows for a more accurate determination of the correlation function. We used a sample of about 1,000 galaxies with R<=25.5 extracted from the survey by Steidel and collaborators, and found the following results. At scales in the range 30<~theta<~100 arcsec, the angular correlation function w(theta) can be accurately described as a power law with slope beta=0.50 +0.25-0.50(1 sigma random)-0.10(systematic), shallower than the measure presented by Giavalisco et al. However, the spatial correlation length, derived by Limber deprojection, is in very good agreement with the previous measures, confirming the strong spatial clustering of these sources. We discuss in detail the effects of both random and systematic errors, in particular of the so called ``integral constraint'' bias, to which we set a lower limit using numerical simulations. This suggests that the current samples do not yet provide a ``fair representation'' of the large-scale distribution of LBGs at z~3. An intriguing result of our analysis is that at angular separations smaller than theta<~30 arcsec the correlation function seems to depart from the power-law fitted at larger scales and become smaller. This feature is detected at the ~90 per cent confidence level and, if real, it can provide information on the number density and spatial distribution of LBGs within their host halos as well as the size and the mass of the halos.

Cristiano Porciani; Mauro Giavalisco

2001-07-23T23:59:59.000Z

128

Clustering Segregation With UV Luminosity in Lyman-Break Galaxies at z~3 and Its Implications  

E-Print Network (OSTI)

We report on the clustering properties of Lyman-break galaxies (LBGs) at z~3. The correlation length of flux-limited samples of LBGs depends on their rest-frame ultraviolet (UV) luminosity at lambda ~1700 Angstrom, with fainter galaxies being less strongly clustered in space. It decreases by a factor ~3 over the range of limiting magnitudes that we have probed, namely 25

Mauro Giavalisco; Mark Dickinson

2000-12-12T23:59:59.000Z

129

Forests and The Texas Economy.  

E-Print Network (OSTI)

I UUL; Z TA24S.7 8873 NO.1S96 (Blank Page In -O~-.BilUetiBJ ' t '. ,-. "0: . : ?. FORESTS AND THE TEXAS ECONOMY by Jay O'Laughlin i\\ssociate Professor Texas i\\gricultural Experiment Station (Department of Forest Science) Texas i...\\&M University and Richard A. Williams Graduate Research i\\ssistant Texas i\\gricultural Experiment Station (Department of Forest Science) Texas i\\&M University The assistance and support of the Texas Forestry Association and the Texas Forest Service...

Laughlin, Jay O'; Williams, Richard A.

1988-01-01T23:59:59.000Z

130

Conference on "Trees, Woods and Forests in  

E-Print Network (OSTI)

Conference on "Trees, Woods and Forests in British Society" Delegates Pack Organised by the Centre............................................................................................3 1.1 Conference objectives...................................................................................................38 | Forests and Society Conference | BAO and JW | 08/04/2010 2 #12;Forests and Society 1

131

Forest Products Marketing -LITHUANIA Market Information  

E-Print Network (OSTI)

Forest Products Marketing - LITHUANIA Market Information Systems ­ principles and practice Experience from Lithuania Presentation by: Dr. A. Gaizutis Marketing department of Vilnius University Chairman, Forest Owners Association of LITHUANIA Workshop:" Forest Products Marketing - from principles

132

Enabling Conditions for Successful Community Forest Enterprises  

Science Journals Connector (OSTI)

In search of sustainable forest landscapes that reduce poverty and mitigate climate change, many countries have adopted a forest policy model that encourages community forest enterprise (CFE). This paper draws on...

Duncan Macqueen

2013-03-01T23:59:59.000Z

133

Surface Radiography with Alpha Rays  

Science Journals Connector (OSTI)

... , and Câ² are deposited on the surfaces of objects which come in contact with radon. Three of them, namely, radium A, C and Câ², emit alpha rays ... two hours in a vessel (volume 70 c.c.) containing 1 me. of radon. Afterwards the wing was put for 8 min. on the emulsion of a photographic ...

Č. JECH

1948-02-28T23:59:59.000Z

134

JAPAN GOING TOWARD FOREST CERTIFICATION September 24, 2004  

E-Print Network (OSTI)

JAPAN GOING TOWARD FOREST CERTIFICATION September 24, 2004 Toshiaki Owari #12;TABLE OF CONTENTS JAPAN: GROWING INTEREST IN FOREST CERTIFICATION................................ 2 FOREST, FORESTRY AND FOREST INDUSTRY IN JAPAN ................................... 2 DIFFERENT FOREST CERTIFICATION SCHEMES

135

Climate VISION: Private Sector Initiatives: Forest Products:...  

Office of Scientific and Technical Information (OSTI)

GHG Information The forest products industry helps reduce greenhouse gases every day. We carefully manage forests that absorb carbon dioxide; manufacture products that store...

136

PACIFIC SOUTHWEST Forest and Range  

E-Print Network (OSTI)

operations applied to low elevation forests west of the Valley. The study indicates that considerable burning, the greatest impact on burning operations applied to low elevation forests west of the Valley. The study, the Willamette Valley in western Oregon. On the basis of a sample of 2 dry years, the greatest impact on burning

Standiford, Richard B.

137

COMMUNITY FORESTRY 24 Chartered Forester  

E-Print Network (OSTI)

Forest Resource Assessment. The most recent one (2010) shows that although 80 per cent of the world- making, which in turn depend on community organisation, knowledge, power relations, external. They also train commune staff in technical forest management (Jeanrenaud, 2001). In Germany too

138

AMF Deployment, Black Forest, Germany  

NLE Websites -- All DOE Office Websites (Extended Search)

Germany Germany Black Forest Deployment AMF Home Black Forest Home Data Plots and Baseline Instruments CERA COPS Data University of Hohenheim COPS Website COPS Update, April 2009 Experiment Planning COPS Proposal Abstract and Related Campaigns Science Plan (PDF, 12.4M) Outreach COPS Backgrounder (PDF, 306K) Posters AMF Poster, German Vesion Researching Raindrops in the Black Forest News Campaign Images AMF Deployment, Black Forest, Germany Main Site: 48° 32' 24.18" N, 08° 23' 48.72" E Altitude: 511.43 meters In March 2007, the third deployment of the ARM Mobile Facility (AMF) will take place in the Black Forest region of Germany, where scientists will study rainfall resulting from atmospheric uplift (convection) in mountainous terrain, otherwise known as orographic precipitation. ARM

139

NPP Tropical Forest: Pasoh, Malaysia  

NLE Websites -- All DOE Office Websites (Extended Search)

Pasoh, Malaysia, 1971-1973 Pasoh, Malaysia, 1971-1973 [PHOTOGRAPH] Photograph: Profile of the Pasoh Forest (click on the photo to view a series of images from this site) Data Citation Cite this data set as follows: Kira, T., N. Manokaran, and S. Appanah. 1998. NPP Tropical Forest: Pasoh, Malaysia, 1971-1973. Data set. Available on-line [http://www.daac.ornl.gov] from Oak Ridge National Laboratory Distributed Active Archive Center, Oak Ridge, Tennessee, U.S.A. Description Biomass and productivity of a lowland tropical forest in the Pasoh Forest Reserve, Malaysia, were determined from 1971 to 1973, under the auspices of the International Biological Programme. From 1970 to 1978, intensive research on lowland rain forest ecology and dynamics took place under a joint research project between the University of Malaya (UM) and the

140

Measuring forest structure and biomass in New England forest stands using Echidna ground-based lidar  

E-Print Network (OSTI)

Measuring forest structure and biomass in New England forest stands using Echidna ground Accepted 12 March 2010 Available online 14 May 2011 Keywords: Ground-based lidar Forest structure Biomass biomass with very good accuracy in six New England hardwood and conifer forest stands. Comparing forest

Ni-Meister, Wenge

Note: This page contains sample records for the topic "lyman alpha forest" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


141

1. Introduction 1.1. Forest definitions  

E-Print Network (OSTI)

forests), conifer high forest (24 %), coppice (11 %) and coppice with stan- dards (37 %). Most protected1. Introduction 1.1. Forest definitions For the French land-cover survey (Teruti) a wood- land or forest is"a vegetation type with a tree cover of 10 per cent or more". In the case of young trees

Helsinki, University of

142

Achieving diversity in Scotland's forest landscapes  

E-Print Network (OSTI)

is covered by forests and woodlands, most of which are conifer forests planted during the last centuryAchieving diversity in Scotland's forest landscapes Practice Guide #12;Practice Guide Achieving diversity in Scotland's forest landscapes Alison Grant and Rick Worrell with Scott Wilson, Duncan Ray

143

See Map 143 (A) Forest Hill  

E-Print Network (OSTI)

Warwick Wiangaree Beenleigh Toowoomba Cleveland Redcliffe Urbenville Woodenbone Beaudesert Forest Hill

Greenslade, Diana

144

Future Fuels from Forests Institute Topics  

E-Print Network (OSTI)

conversion to ethanol ·MEECS Energy ResourcesMEECS Energy Resources unit ·Project Learning Tree's Forests of an ethanol-producing facility. · MEECS Energy Resources unit and Project Learning Tree's Forests of the World of forest based ethanol production: · Forest productivity · Biodiversity & conservation biology

145

Alpha  

NLE Websites -- All DOE Office Websites (Extended Search)

is on the order of the torus major radius. Let us now consider, following Similon and Sudan, 17 an Alfve n wave packet, with a characteristic perpendicular wave number k 0...

146

Forest Carbon Portal | Open Energy Information  

Open Energy Info (EERE)

Forest Carbon Portal Forest Carbon Portal Jump to: navigation, search Tool Summary Name: Forest Carbon Portal Agency/Company /Organization: United Nations Development Programme, United States Agency for International Development, United Kingdom Department for International Development, Forest Trends Sector: Land Focus Area: Forestry Topics: GHG inventory Resource Type: Lessons learned/best practices Website: www.forestcarbonportal.com/ Forest Carbon Portal Screenshot References: FCP[1] "Ecosystem Marketplace's Forest Carbon Portal is a clearinghouse of information, feature stories, event listings, project details, 'how-to' guides, news, and market analysis on forest-based carbon sequestration projects. Deforestation and land-use change are responsible for 17% of the

147

USDA Forest Products Laboratory | Open Energy Information  

Open Energy Info (EERE)

Forest Products Laboratory Forest Products Laboratory Jump to: navigation, search Name USDA Forest Products Laboratory Place Madison, WI Website http://www.fpl.fs.fed.us/ References USDA Forest Products Laboratory [1] Information About Partnership with NREL Partnership with NREL Yes Partnership Type Test & Evaluation Partner Partnering Center within NREL Electricity Resources & Building Systems Integration LinkedIn Connections CrunchBase Profile No CrunchBase profile. Create one now! USDA Forest Products Laboratory is a company located in Madison, WI. References ↑ "USDA Forest Products Laboratory" Retrieved from "http://en.openei.org/w/index.php?title=USDA_Forest_Products_Laboratory&oldid=381741" Categories: Clean Energy Organizations Companies Organizations

148

Recoil-alpha-fission and recoil-alpha-alpha-fission events observed in the reaction Ca-48 + Am-243  

E-Print Network (OSTI)

Products of the fusion-evaporation reaction Ca-48 + Am-243 were studied with the TASISpec set-up at the gas-filled separator TASCA at the GSI Helmholtzzentrum f\\"ur Schwerionenforschung. Amongst the detected thirty correlated alpha-decay chains associated with the production of element Z=115, two recoil-alpha-fission and five recoil-alpha-alpha-fission events were observed. The latter are similar to four such events reported from experiments performed at the Dubna gas-filled separator. Contrary to their interpretation, we propose an alternative view, namely to assign eight of these eleven decay chains of recoil-alpha(-alpha)-fission type to start from the 3n-evaporation channel 115-288. The other three decay chains remain viable candidates for the 2n-evaporation channel 115-289.

U. Forsberg; D. Rudolph; L. -L. Andersson; A. Di Nitto; Ch. E. Düllmann; J. M. Gates; P. Golubev; K. E. Gregorich; C. J. Gross; R. -D. Herzberg; F. P. Hessberger; J. Khuyagbaatar; J. V. Kratz; K. Rykaczewski; L. G. Sarmiento; M. Schädel; A. Yakushev; S. Åberg; D. Ackermann; M. Block; H. Brand; B. G. Carlsson; D. Cox; X. Derkx; J. Dobaczewski; K. Eberhardt; J. Even; C. Fahlander; J. Gerl; E. Jäger; B. Kindler; J. Krier; I. Kojouharov; N. Kurz; B. Lommel; A. Mistry; C. Mokry; W. Nazarewicz; H. Nitsche; J. P. Omtvedt; P. Papadakis; I. Ragnarsson; J. Runke; H. Schaffner; B. Schausten; Y. Shi; P. Thörle-Pospiech; T. Torres; T. Traut; N. Trautmann; A. Türler; A. Ward; D. E. Ward; N. Wiehl

2015-02-10T23:59:59.000Z

149

A Near-Solar Metallicity, Nitrogen-Deficient Lyman Limit Absorber Associated with two S0 Galaxies  

E-Print Network (OSTI)

From UV spectra of the bright quasar PHL 1811 recorded by FUSE and the E140M configuration on STIS, we have determined the abundances of various atomic species in a Lyman limit system at z = 0.0809 with log N(H I) = 17.98. Considerably more hydrogen may be in ionized form, since the abundances of C II, Si II, S II and Fe II are very large compared to that of O I, when compared to their respective solar abundance ratios. Our determination [O/H] = -0.19 in the H I-bearing gas indicates that the chemical enrichment of the gas is unusually high for an extragalactic QSO absorption system. However, this same material has an unusually low abundance of nitrogen, [N/O] < -0.59, indicating that there may not have been enough time during this enrichment for secondary nitrogen to arise from low and intermediate mass stars. In an earlier investigation we found two galaxies at nearly the same redshift as this absorption system and displaced by 34 and 87 kpc from the line of sight. An r-band image recorded by the ACS on HST indicates these are S0 galaxies. One or both of these galaxies may be the source of the gas, which might have been expelled in a fast wind, by tidal stripping, or by ram-pressure stripping. Subtraction of the ACS point-spread function from the image of the QSO reveals the presence of a face-on spiral galaxy under the glare of the quasar; although it is possible that this galaxy may be responsible for the Lyman limit absorption, the exact alignment of the QSO with the center of the galaxy suggests that the spiral is the quasar host.

Edward B. Jenkins; David V. Bowen; Todd M. Tripp; Kenneth R. Sembach

2005-01-21T23:59:59.000Z

150

Cost-efficient conservation strategies for boreal forest biodiversity.  

E-Print Network (OSTI)

??Long and intensive forest management has made conservation measures in the forest landscape necessary to maintain forest biodiversity. The most common measure is to set… (more)

Perhans, Karin

2008-01-01T23:59:59.000Z

151

Targeted alpha therapy for cancer  

Science Journals Connector (OSTI)

Targeted alpha therapy (TAT) offers the potential to inhibit the growth of micrometastases by selectively killing isolated and preangiogenic clusters of cancer cells. The practicality and efficacy of TAT is tested by in vitro and in vivo studies in melanoma, leukaemia, colorectal, breast and prostate cancers, and by a phase 1 trial of intralesional TAT for melanoma. The alpha-emitting radioisotope used is Bi-213, which is eluted from the Ac-225 generator and chelated to a cancer specific monoclonal antibody (mab) or protein (e.g. plasminogen activator inhibitor-2 PAI2) to form the alpha-conjugate (AC). Stable alpha-ACs have been produced which have been tested for specificity and cytotoxicity in vitro against melanoma (9.2.27 mab), leukaemia (WM60), colorectal (C30.6), breast (PAI2, herceptin), ovarian (PAI2, herceptin, C595), prostate (PAI2, J591) and pancreatic (PAI2, C595) cancers. Subcutaneous inoculation of 1–1.5 million human cancer cells into the flanks of nude mice causes tumours to grow in all mice. Tumour growth is compared for untreated controls, nonspecific AC and specific AC, for local (subcutaneous) and systemic (tail vein or intraperitoneal) injection models. The 213Bi-9.2.27 AC is injected into secondary skin melanomas in stage 4 patients in a dose escalation study to determine the effective tolerance dose, and to measure kinematics to obtain the equivalent dose to organs. In vitro studies show that TAT is one to two orders of magnitude more cytotoxic to targeted cells than non-specific ACs, specific beta emitting conjugates or free isotopes. In vivo local TAT at 2 days post-inoculation completely prevents tumour formation for all cancers tested so far. Intra-lesional TAT can completely regress advanced sc melanoma but is less successful for breast and prostate cancers. Systemic TAT inhibits the growth of sc melanoma xenografts and gives almost complete control of breast and prostate cancer tumour growth. Intralesional doses up to 450 µCi in human patients are effective in regressing melanomas, with no concomitant complications. These results point to the application of local and systemic TAT in the management of secondary cancer. Results of the phase 1 clinical trial of TAT of subcutaneous, secondary melanoma indicate proof of the principle that TAT can make tumours in patients regress.

Barry J Allen; Chand Raja; Syed Rizvi; Yong Li; Wendy Tsui; David Zhang; Emma Song; Chang Fa Qu; John Kearsley; Peter Graham; John Thompson

2004-01-01T23:59:59.000Z

152

Forests, carbon and global climate  

Science Journals Connector (OSTI)

...including shifting to renewable energy sources, increasing...energy use, and energy supply, the only...of forests for mitigation of greenhouse gas...Climate Change 2001: mitigation, pp. 302{343...US Department of Energy. Lloyd, J...

2002-01-01T23:59:59.000Z

153

Majoring in Forest Resources & Conservation  

E-Print Network (OSTI)

to business as appropriate for students interested in consulting, real estate or working for forest industry. The program emphasizes sustainable, multipleuse management and includes substantial field work and group

Watson, Craig A.

154

Local Varying-Alpha Theories  

E-Print Network (OSTI)

In a recent paper we demonstrated how the simplest model for varying alpha may be interpreted as the effect of a dielectric material, generalized to be consistent with Lorentz invariance. Unlike normal dielectrics, such a medium cannot change the speed of light, and its dynamics obey a Klein-Gordon equation. This work immediately suggests an extension of the standard theory, even if we require compliance with Lorentz invariance. Instead of a wave equation, the dynamics may satisfy a local algebraic relation involving the permittivity and the properties of the electromagnetic field, in analogy with more conventional dielectric (but still preserving Lorentz invariance). We develop the formalism for such theories and investigate some phenomenological implications. The problem of the divergence of the classical self-energy can be solved, or at least softened, in this framework. Some interesting new cosmological solutions for the very early universe are found, including the possibility of a bounce, inflation and expansion with a loitering phase, all of which are induced by early variations in alpha.

John D. Barrow; Joao Magueijo

2014-12-10T23:59:59.000Z

155

Beta/alpha continuous air monitor  

DOE Patents (OSTI)

A single deep layer silicon detector in combination with a microcomputer, recording both alpha and beta activity and the energy of each pulse, distinquishing energy peaks using a novel curve fitting technique to reduce the natural alpha counts in the energy region where plutonium and other transuranic alpha emitters are present, and using a novel algorithm to strip out radon daughter contribution to actual beta counts. 7 figs.

Becker, G.K.; Martz, D.E.

1988-06-27T23:59:59.000Z

156

SHOE V.1.5 ALPHA  

Energy Science and Technology Software Center (OSTI)

002913MLTPL00 Sandia Higher Order Elements (SHOE) v 0.5 alpha  http://midas3.kitware.com/midas/folder/10328 

157

Alpha Technologies | Open Energy Information  

Open Energy Info (EERE)

Technologies Technologies Jump to: navigation, search Name Alpha Technologies Place Bellingham, Washington State Zip 98226 Sector Services, Solar Product Bellingham (WA)-based firm offering, among other products, power conversion products designed specifically for the PV market, plus installation services for solar systems. Coordinates 48.75235°, -122.471219° Loading map... {"minzoom":false,"mappingservice":"googlemaps3","type":"ROADMAP","zoom":14,"types":["ROADMAP","SATELLITE","HYBRID","TERRAIN"],"geoservice":"google","maxzoom":false,"width":"600px","height":"350px","centre":false,"title":"","label":"","icon":"","visitedicon":"","lines":[],"polygons":[],"circles":[],"rectangles":[],"copycoords":false,"static":false,"wmsoverlay":"","layers":[],"controls":["pan","zoom","type","scale","streetview"],"zoomstyle":"DEFAULT","typestyle":"DEFAULT","autoinfowindows":false,"kml":[],"gkml":[],"fusiontables":[],"resizable":false,"tilt":0,"kmlrezoom":false,"poi":true,"imageoverlays":[],"markercluster":false,"searchmarkers":"","locations":[{"text":"","title":"","link":null,"lat":48.75235,"lon":-122.471219,"alt":0,"address":"","icon":"","group":"","inlineLabel":"","visitedicon":""}]}

158

UC leads effort to protect California forests from catastrophic fire  

E-Print Network (OSTI)

Sierra Nevada’s mixed conifer forests burned every 15 to 35These mixed conifer ing forest habitat characteristics

Warnert, Jeannette E

2012-01-01T23:59:59.000Z

159

Prediction of radiation-induced liver disease by Lyman normal-tissue complication probability model in three-dimensional conformal radiation therapy for primary liver carcinoma  

SciTech Connect

Purpose: To describe the probability of RILD by application of the Lyman-Kutcher-Burman normal-tissue complication (NTCP) model for primary liver carcinoma (PLC) treated with hypofractionated three-dimensional conformal radiotherapy (3D-CRT). Methods and Materials: A total of 109 PLC patients treated by 3D-CRT were followed for RILD. Of these patients, 93 were in liver cirrhosis of Child-Pugh Grade A, and 16 were in Child-Pugh Grade B. The Michigan NTCP model was used to predict the probability of RILD, and then the modified Lyman NTCP model was generated for Child-Pugh A and Child-Pugh B patients by maximum-likelihood analysis. Results: Of all patients, 17 developed RILD in which 8 were of Child-Pugh Grade A, and 9 were of Child-Pugh Grade B. The prediction of RILD by the Michigan model was underestimated for PLC patients. The modified n, m, TD{sub 5} (1) were 1.1, 0.28, and 40.5 Gy and 0.7, 0.43, and 23 Gy for patients with Child-Pugh A and B, respectively, which yielded better estimations of RILD probability. The hepatic tolerable doses (TD{sub 5}) would be MDTNL of 21 Gy and 6 Gy, respectively, for Child-Pugh A and B patients. Conclusions: The Michigan model was probably not fit to predict RILD in PLC patients. A modified Lyman NTCP model for RILD was recommended.

Xu ZhiYong [Department of Radiation Oncology, Fudan University Cancer Hospital, Shanghai (China); Department of Oncology, Shanghai Medical School, Fudan University, Shanghai (China); Liang Shixiong [Department of Radiation Oncology, Fudan University Cancer Hospital, Shanghai (China); Department of Radiation Oncology, Cancer Hospital, Guangxi Medical University, Nanning (China); Zhu Ji [Department of Radiation Oncology, Fudan University Cancer Hospital, Shanghai (China); Department of Oncology, Shanghai Medical School, Fudan University, Shanghai (China); Zhu Xiaodong [Department of Radiation Oncology, Cancer Hospital, Guangxi Medical University, Nanning (China); Zhao Jiandong [Department of Radiation Oncology, Fudan University Cancer Hospital, Shanghai (China); Department of Oncology, Shanghai Medical School, Fudan University, Shanghai (China); Lu Haijie [Department of Radiation Oncology, Cancer Hospital, Guangxi Medical University, Nanning (China); Yang Yunli [Department of Radiation Oncology, Cancer Hospital, Guangxi Medical University, Nanning (China); Chen Long [Department of Radiation Oncology, Cancer Hospital, Guangxi Medical University, Nanning (China); Wang Anyu [Department of Radiation Oncology, Cancer Hospital, Guangxi Medical University, Nanning (China); Fu Xiaolong [Department of Radiation Oncology, Fudan University Cancer Hospital, Shanghai (China); Department of Oncology, Shanghai Medical School, Fudan University, Shanghai (China); Jiang Guoliang [Department of Radiation Oncology, Fudan University Cancer Hospital, Shanghai (China) and Department of Oncology, Shanghai Medical School, Fudan University, Shanghai (China)]. E-mail: jianggl@21cn.com

2006-05-01T23:59:59.000Z

160

Derr Track Storage Bldg Sigma Alpha  

E-Print Network (OSTI)

!( Derr Track Storage Bldg Japan Center Memorial Bell Tower Solar House Primrose Chancellor & Storage Bio. Sci Avent Ferry Complex Building Sigma Phi Epsilon 7 Welch Pi Kappa Alpha 10 Sigma Alpha Mu 4 and Visitor's Center Thompson Admin II Bostian Library Storage Facility Winston Clark Ricks Robertson Harris

Reeves, Douglas S.

Note: This page contains sample records for the topic "lyman alpha forest" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


161

Elementary Processes Underlying Alpha Channeling in Tokamaks  

SciTech Connect

Alpha channeling in tokamaks is speculative, but also extraordinarily attractive. Waves that can accomplish this effect have been identified. Key aspects of the theory now enjoy experimental confirmation. This paper will review the elementary processes of wave-particle interactions in plasma that underlie the alpha channeling effect

NM.J. Fisch

2012-06-15T23:59:59.000Z

162

Emulating Natural Disturbance Regimes: an Emerging Approach for Sustainable Forest  

E-Print Network (OSTI)

applied in three U.S. forest types: Pacific Northwest temperate coniferous, Western mixed-conifer forest types: Pacific Northwest temperate coniferous forests, West- ern mixed-conifer forests, and Northeastern northern hardwood-conifer forests. For each of these examples, we describe existing forest

Vermont, University of

163

Alpha Renewable Energy | Open Energy Information  

Open Energy Info (EERE)

Renewable Energy Renewable Energy Jump to: navigation, search Name Alpha Renewable Energy Place Atlanta, Georgia Sector Biomass Product Manufacturer of biomass wood gas stoves and standalone power generators for rural areas. References Alpha Renewable Energy[1] LinkedIn Connections CrunchBase Profile No CrunchBase profile. Create one now! This article is a stub. You can help OpenEI by expanding it. Alpha Renewable Energy is a company located in Atlanta, Georgia . References ↑ "Alpha Renewable Energy" Retrieved from "http://en.openei.org/w/index.php?title=Alpha_Renewable_Energy&oldid=342033" Categories: Clean Energy Organizations Companies Organizations Stubs What links here Related changes Special pages Printable version Permanent link Browse properties

164

IMPACT OF FOREST CERTIFICATION: FROM THE PERSPECTIVE OF FOREST CONCESSIONAIRES' STAFFS  

E-Print Network (OSTI)

-ICM 2011- PROCEEDING 1512 #12;to combat deforestation and forest degradation due to bad forest, a number of efforts to combat deforestation and forest degradation due to the bad management of forest is compliance with social, economic and environmental sustainability principles. This paper analyses the impact

165

Fire and Forest History in Mixed-Conifer Forests of Southwest Colorado  

E-Print Network (OSTI)

Fire and Forest History in Mixed-Conifer Forests of Southwest Colorado Peter M. Brown, Rocky Creek (56 plots spanning ponderosa/dry mixed-conifer to subalpine forests) Bear Park (43 plots spanning wetBear Park (43 plots spanning wet mixed-conifer to subalpine forests). #12;Archuleta Mesa Brown, P

166

Global Forest Resource Assessment | Open Energy Information  

Open Energy Info (EERE)

Global Forest Resource Assessment Global Forest Resource Assessment Jump to: navigation, search Tool Summary Name: Global Forest Resource Assessment Agency/Company /Organization: Food and Agriculture Organization of the United Nations Sector: Land Focus Area: Forestry Topics: Resource assessment Resource Type: Publications Website: www.fao.org/forestry/fra/fra2010/en/ Global Forest Resource Assessment Screenshot References: Global Forest Research Assessment[1] Overview "FAO, in cooperation with its member countries, has monitored the world's forests at 5 to 10 year intervals since 1946. These global assessments provide valuable information to policy-makers in countries, to international negotiations, arrangements and organizations related to forests and to the general public. The Global Forest Resources Assessment

167

International Forest Policy Database | Open Energy Information  

Open Energy Info (EERE)

International Forest Policy Database International Forest Policy Database Jump to: navigation, search Tool Summary LAUNCH TOOL Name: International Forest Policy Database Agency/Company /Organization: GTZ Sector: Land Focus Area: Forestry Topics: Policies/deployment programs Resource Type: Dataset Website: www.etfrn.org/etfrn/topics/policy/index.html International Forest Policy Database Screenshot References: GTZ International Forest Policy Database[1] Overview "This topic page is being developed in cooperation with GTZ-IWP, the International Forest Policy project of the German organisation for international cooperation. GTZ-IWP has contributed considerably to the ETFRN NEWS 41/42 on national forest programmes. During this cooperation both GTZ and ETFRN identified a need for a central point of access to information on international forest

168

Forest Research No. 37 May 2007  

E-Print Network (OSTI)

. ©AndreaKiewitt EcoThe Biodiversity and Conservation Newsletter of Ecology Division Forest Research type #12;2 Forest Research Welcome to the May issue of Ecotype, the Biodiversity and Conservation

169

Mixed Conifer Forests of the Sierra Nevada  

Science Journals Connector (OSTI)

The mixed conifer forest of the Sierra Nevada in California is ... States with visible symptoms of ozone injury to conifers (the other areas are the San Bernardino ... ]). The Sierra Nevada contains the largest forest

D. L. Peterson; M. J. Arbaugh

1992-01-01T23:59:59.000Z

170

Future Forests Program Plan 2013 2016  

E-Print Network (OSTI)

is that knowledge produced by Future Forests will make possible an increased and yet, we envision that knowledge produced by Future Forests will contribute for biodiversity conservation, water protection, recreational needs, climate change mitigation

171

Tropical Africa: Total Forest Biomass (By Country)  

NLE Websites -- All DOE Office Websites (Extended Search)

Tropical Africa: Total Forest Biomass (By Country) Tropical Africa: Total Forest Biomass (By Country) image Brown, S., and G. Gaston. 1996. Tropical Africa: Land Use, Biomass, and Carbon Estimates For 1980. ORNL/CDIAC-92, NDP-055. Carbon Dioxide Information Analysis Center, U.S. Department of Energy, Oak Ridge National Laboratory, Oak Ridge, Tennessee, U.S.A. More Maps Calculated Actual Aboveground Live Biomass in Forests (1980) Maximum Potential Biomass Density Land Use (1980) Area of Closed Forests (By Country) Mean Biomass of Closed Forests (By County) Area of Open Forests (By Country) Mean Biomass of Open Forests (By County) Percent Forest Cover (By Country) Population Density - 1990 (By Administrative Unit) Population Density - 1980 (By Administrative Unit) Population Density - 1970 (By Administrative Unit)

172

NPP Tropical Forest: Atherton, Australia  

NLE Websites -- All DOE Office Websites (Extended Search)

Atherton, Australia, 1974-1985 Atherton, Australia, 1974-1985 [PHOTOGRAPH] Photograph: View across the forest canopy near Atherton (click on the photo to view a series of images from this site) Data Citation Cite this data set as follows: Stocker, G. C. 2001. NPP Tropical Forest: Atherton, Australia, 1974-1985. Data set. Available on-line [http://www.daac.ornl.gov] from Oak Ridge National Laboratory Distributed Active Archive Center, Oak Ridge, Tennessee, U.S.A. Description Litterfall was determined over 3-4 years (1974/5-1978) for two tropical rainforest sites and for 5 years (1980-1985) for a third study site near Atherton, Queensland, in northeast Australia. Although net primary production (NPP) was not determined, the extensive site description data and the rarity of measurements on tropical forests south of the Equator

173

NPP Tropical Forest: Kade, Ghana  

NLE Websites -- All DOE Office Websites (Extended Search)

Kade, Ghana, 1957-1972 Kade, Ghana, 1957-1972 [PHOTOGRAPH] Photograph: Forest after clearing of secondary growth at the Kade site (click on the photo to view a series of images from this site). Data Citation Cite this data set as follows: Nye, P. H., and D. J. Greenland. 1998. NPP Tropical Forest: Kade, Ghana, 1957-1972. Data set. Available on-line [http://www.daac.ornl.gov] from Oak Ridge National Laboratory Distributed Active Archive Center, Oak Ridge, Tennessee, U.S.A. Description Biomass and nutrient content of different vegetation components and soil for a secondary tropical forest were determined in the late 1950s at the Kade Agricultural Research Station of the former University College, Ghana. Net primary production (NPP) was estimated on the basis of standing biomass accumulation and litter fall. Later studies on litter and wood fall and

174

NPP Tropical Forest: Darien, Panama  

NLE Websites -- All DOE Office Websites (Extended Search)

Darien, Panama, 1967-1968 Darien, Panama, 1967-1968 [PHOTOGRAPH] Photograph: Tropical moist forest near Darien (click on the photo to view a series of images from this site). Data Citation Cite this data set as follows: Golley, F. B. 1998. NPP Tropical Forest: Darien, Panama, 1967-1968. Data set. Available on-line [http://www.daac.ornl.gov] from Oak Ridge National Laboratory Distributed Active Archive Center, Oak Ridge, Tennessee, U.S.A. Description Biomass and nutrient content of different vegetation components and soil for a transitional moist/dry tropical forest were determined in 1967-68 at Darien Province, Panama. NPP was not estimated. Situated about 160 km ESE of Panama City, close to the town of Santa Fe, the Darien study site consisted of two plots, about 8 km apart, one of

175

NPP Tropical Forest: Chamela, Mexico  

NLE Websites -- All DOE Office Websites (Extended Search)

Chamela, Mexico, 1982-1995 Chamela, Mexico, 1982-1995 [PHOTOGRAPH] Photograph: Litter trap and throughfall collector in the Chamela forest (click on the photo to view a series of images from this site) Data Citation Cite this data set as follows: Maass, M., and A. Martinez-Yrizar. 2001. NPP Tropical Forest: Chamela, Mexico, 1982-1995. Data set. Available on-line [http://www.daac.ornl.gov] from Oak Ridge National Laboratory Distributed Active Archive Center, Oak Ridge, Tennessee, U.S.A. Description Net primary productivity (NPP) of a tropical dry deciduous forest was estimated, based on the integration of ecosystem data obtained in various years between 1982 and 1995, at the Chamela Biological Station of the National Autonomous University of Mexico (UNAM). The Biosphere Reserve Chamela-Cuixmala, Jalisco, is situated near the

176

Air pollutants effects on forest ecosystems  

SciTech Connect

This book presents the papers given at a conference on the effects of acid rain on forests. The conference was sponsored by the National Acid Precipitation Assessment Program (NAPAP). Topics considered at the conference included the status of US research on acid deposition and its effects contributing factors to the decline of forests, evidence for effects on ecosystems, the effects of air pollutants on forest ecosystems in North America and Europe, forest management, and future scientific research programs and management approaches.

Not Available

1985-01-01T23:59:59.000Z

177

Ammonia at Blodgett Forest, Sierra Nevada, USA  

E-Print Network (OSTI)

Forest, Sierra Nevada, USA Marc L. Fischer and DavidRd. , Berkeley CA, 94720, USA Corresponding author address:

Fischer, Marc L.; Littlejohn, David

2007-01-01T23:59:59.000Z

178

What is this thing called MixedWhat is this thing called Mixed Conifer Forest?Conifer Forest?  

E-Print Network (OSTI)

What is this thing called MixedWhat is this thing called Mixed Conifer Forest?Conifer Forest? Bill Conifer Forests of SW ColoradoConifer Forests of SW Colorado How to restore & maintain the natural of this ecosystemecosystem #12;What causes mixed conifer forestsWhat causes mixed conifer forests to be so diverse?to be so

179

Forests and biodiversity UK Forestry Standard Guidelines  

E-Print Network (OSTI)

Forests and biodiversity UK Forestry Standard Guidelines #12;Key to symbols UKFS Requirements;Forests and biodiversity Forestry Commission: Edinburgh UK Forestry Standard Guidelines #12;© Crown Commission in 2011. ISBN 978-0-85538-831-7 FORESTRY COMMISSION (2011). Forests and Biodiversity. UK Forestry

180

Forest and Carbon offset investments: problems and  

E-Print Network (OSTI)

and problems related to forest investments as C sinks 2. The two markets: ­The "regulated" market ­The voluntary market 3. Some final considerations 1. Mitigation options and problems related to forest (Bioenergy / biofuels) Mitigation options in the forest sector #12;2 Source: Schlamadinger, 2000 2. The two

Pettenella, Davide

Note: This page contains sample records for the topic "lyman alpha forest" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


181

PUBLICATIONS LIST Louisiana Forest Products Development Center  

E-Print Network (OSTI)

to Air-Drying and Kiln-drying from the Green Condition. Gibson, Grozdits #29 Southern Forest ProductsPUBLICATIONS LIST Louisiana Forest Products Development Center School of Renewable Natural Forest Products Development Center RESEARCH BRIEFS #1 An Overview of the Louisiana Secondary Wood

182

FOREST SERVICE U. .DEPARTMENT OF AGRICULTURE  

E-Print Network (OSTI)

settbgs; planing m d ts; scenic roads; visible area; esthetic WT; Bhck Hills Nationd Forest, Many types, was developed. BLACK HILLS NATIONAL FOREST Each summer, thousands of recreationists visit the Black HlillsCSOUTH FOREST SERVICE U. §.DEPARTMENT OF AGRICULTURE P.O. BOX 245, BERKELEY, CALIFORNIA 94701 BLE

Standiford, Richard B.

183

Bacterial Alpha Amylase Paper Disc Tests on Starch Agar  

Science Journals Connector (OSTI)

...Articles Bacterial Alpha Amylase Paper Disc Tests on Starch Agar Egon Stark Ralph...Mass. Bacterial Alpha Amylase Paper Disc Tests on Starch Agar EGON STARK...hydrolysis of soluble starch by a bacterial alpha-amylase preparation, so...

Egon Stark; Ralph Wellerson Jr.; Philip A. Tetrault; Carl F. Kossack

1953-09-01T23:59:59.000Z

184

ALPHA-DECAY STUDIES IN THE HEAVY-ELEMENT REGION  

E-Print Network (OSTI)

231, Curium-242, and Americium-241 (Thesis), AECU-2757 (rimental Results A. Alpha Decay of Americium-243 L Alpha-Particle Energy of Americium-243 New Alpha Groups of

Hummel, John Philip

2010-01-01T23:59:59.000Z

185

THE NATIONAL FOREST RESERVATION COMMISSION AND FOREST RESEARCH RESERVES  

Science Journals Connector (OSTI)

...George E. Johnson, Kansas State Agricultural...president of the Kansas Psychological Association...president of the Kansas Entomolog-ical...reforestation and timber production on forest lands-by...not as a museum site or as a recreational...STATION SAND-STORM ELECTRICITY THE discussions...

R. D. Forbes

1930-05-16T23:59:59.000Z

186

CRAD, Safety Basis - Oak Ridge National Laboratory TRU ALPHA...  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Safety Basis - Oak Ridge National Laboratory TRU ALPHA LLWT Project CRAD, Safety Basis - Oak Ridge National Laboratory TRU ALPHA LLWT Project November 2003 A section of Appendix C...

187

CRAD, Quality Assurance - Oak Ridge National Laboratory TRU ALPHA...  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Quality Assurance - Oak Ridge National Laboratory TRU ALPHA LLWT Project CRAD, Quality Assurance - Oak Ridge National Laboratory TRU ALPHA LLWT Project November 2003 A section of...

188

CRAD, Management - Oak Ridge National Laboratory TRU ALPHA LLWT...  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Management - Oak Ridge National Laboratory TRU ALPHA LLWT Project CRAD, Management - Oak Ridge National Laboratory TRU ALPHA LLWT Project November 2003 A section of Appendix C to...

189

Luminosity Functions of Lyman-Break Galaxies at z~4 and 5 in the Subaru Deep Field  

E-Print Network (OSTI)

We investigate the luminosity functions of Lyman-break galaxies (LBG) at z~4 and 5 based on the optical imaging data obtained in the Subaru Deep Field Project. Three samples of LBGs in a contiguous 875 arcmin^2 area are constructed. One consists of 3,808 LBGs at z~4 down to i'=26.85 selected with the B-R vs R-i' diagram. The other two consist of 539 and 240 LBGs at z~5 down to z'=26.05 selected with two kinds of two-color diagrams: V-i' vs i'-z' and R-i' vs i'-z'. The adopted selection criteria are proved to be fairly reliable by spectroscopic observation. We derive the luminosity functions of the LBGs at rest-frame ultraviolet wavelengths down to M_{UV}=-19.2 at z~4 and M_{UV}=-20.3 at z~5. We find clear evolution of the luminosity function over the redshift range of 0star formation rate (SFR) density at z~4 and z~5 is measured from the luminosity functions. We examine the evolution of the cosmic SFR density and its luminosity dependence over 0star formation is on average higher at higher redshift in proportion to the cooling rate within dark haloes, while this is not simply the case at z>4.

Makiko Yoshida; Kazuhiro Shimasaku; Nobunari Kashikawa; Masami Ouchi; Sadanori Okamura; the SDF Project team

2006-08-24T23:59:59.000Z

190

The SCUBA-2 Cosmology Legacy Survey: the submillimetre properties of Lyman break galaxies at z=3-5  

E-Print Network (OSTI)

We present statistically significant detections at 850um of the Lyman Break Galaxy (LBG) population at z=3, 4, and 5 using data from the Submillimetre Common User Bolometer Array 2 (SCUBA-2) Cosmology Legacy Survey (S2CLS) in the United Kingdom Infrared Deep Sky Survey Ultra Deep Survey (UKIDSS-UDS) field. We employ a stacking technique to probe beneath the survey limit to measure the average 850um flux density of LBGs at z=3, 4, and 5 with typical ultraviolet luminosities of L(1700A)~10^29 erg/s/Hz. We measure 850um flux densities of (0.25 +/- 0.03, (0.41 +/- 0.06), and (0.88 +/- 0.23) mJy respectively, and find that they contribute at most 20 per cent to the cosmic far-infrared background at 850um. Fitting an appropriate range of spectral energy distributions to the z=3, 4, and 5 LBG stacked 24-850um fluxes, we derive infrared (IR) luminosities of L(8-1000um)~3.2, 5.5, and 11.0x10^11 Lsun (corresponding to star formation rates of ~50-200 Msun/yr) respectively. We find that the evolution in the IR luminosity...

Coppin, K E K; Almaini, O; Arumugam, V; Dunlop, J S; Hartley, W G; Ivison, R J; Simpson, C J; Smith, D J B; Swinbank, A M; Blain, A W; Bourne, N; Bremer, M; Conselice, C; Harrison, C M; Mortlock, A; Chapman, S C; Davies, L J M; Farrah, D; Gibb, A; Jenness, T; Karim, A; Knudsen, K K; Ibar, E; Micha?owski, M J; Peacock, J A; Rigopoulou, D; Robson, E I; Scott, D; Stevens, J; van der Werf, P P

2014-01-01T23:59:59.000Z

191

Cross-correlating 21cm intensity maps with Lyman Break Galaxies in the post-reionization era  

E-Print Network (OSTI)

We investigate the cross-correlation between the spatial distribution of Lyman Break Galaxies (LBGs) and the 21cm intensity mapping signal at $z\\sim[3-5]$. At these redshifts, galactic feedback is supposed to only marginally affect the matter power spectrum, and the neutral hydrogen distribution is independently constrained by quasar spectra. Using a high resolution N-body simulation, populated with neutral hydrogen a posteriori, we forecast for the expected LBG-21cm cross-spectrum and its error for a 21cm field observed by the Square Kilometre Array (SKA1-LOW and SKA1-MID), combined with a spectroscopic LBG survey with the same volume. The cross power can be detected with a signal-to-noise ratio (SNR) up to ~10 times higher (and down to ~4 times smaller scales) than the 21cm auto-spectrum for this set-up, with the SNR depending only very weakly on redshift and the LBG population. We also show that while both the 21cm auto- and LBG-21cm cross-spectra can be reliably recovered after the cleaning of smooth-spec...

Villaescusa-Navarro, Francisco; Alonso, David; Datta, Kanan K; Bull, Philip; Santos, Mario G

2014-01-01T23:59:59.000Z

192

Forest Conservation Act (Maryland) | Department of Energy  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Forest Conservation Act (Maryland) Forest Conservation Act (Maryland) Forest Conservation Act (Maryland) < Back Eligibility Agricultural Commercial Construction Developer Fed. Government Fuel Distributor Industrial Installer/Contractor Investor-Owned Utility Local Government Municipal/Public Utility Nonprofit Retail Supplier Rural Electric Cooperative State/Provincial Govt Systems Integrator Transportation Tribal Government Utility Savings Category Alternative Fuel Vehicles Hydrogen & Fuel Cells Buying & Making Electricity Water Home Weatherization Solar Wind Program Info State Maryland Program Type Environmental Regulations Siting and Permitting Provider Maryland Department of Natural Resources The main purpose of Maryland's Forest Conservation Act is to minimize the loss of Maryland's forest resources during land development by making the

193

Silviculture Forest Productivity and Nutrition  

E-Print Network (OSTI)

15 Silviculture Forest Productivity and Nutrition Fire and Fuel Load Management Tree crops for bio-energy Productivity of Semi-mature Cape Pines Across Gradients of Water and Nutrient Availability The nutrient as optimise the period of their release to use in controlled release fertilizer mixtures. This will make large

Geldenhuys, Jaco

194

North Dakota's Forests Resource Bulletin  

E-Print Network (OSTI)

opportunity provider and employer. #12;David E. Haugen, Robert Harsel, Aaron Bergdahl, Tom Claeys, Christopher, Charles J. Barnett, Grant M. Domke, Dan Kaisershot, W. Keith Moser, Andrew J. Lister, and Dale D and fire management team leader with the North Dakota Forest Service, Bismarck, ND. Christopher W. Woodall

195

What Damped Ly-alpha Systems Tell Us About the Radial Distribution of Cold Gas at High Redshift  

E-Print Network (OSTI)

We investigate the properties of damped Lyman-alpha systems (DLAS) in semi-analytic models, focusing on whether the models can reproduce the kinematic properties of low-ionization metal lines described by Prochaska & Wolfe (1997b, 1998). We explore a variety of approaches for modelling the radial distribution of the cold neutral gas associated with the galaxies in our models, and find that our results are very sensitive to this ingredient. If we use an approach based on Fall & Efstathiou (1980), in which the sizes of the discs are determined by conservation of angular momentum, we find that the majority of the DLAS correspond to a single galactic disc. These models generically fail to reproduce the observed distribution of velocity widths. In alternative models in which the gas discs are considerably more extended, a significant fraction of DLAS arise from lines of sight intersecting multiple gas discs in a common halo. These models produce kinematics that fit the observational data, and also seem to agree well with the results of recent hydrodynamical simulations. Thus we conclude that Cold Dark Matter based models of galaxy formation can be reconciled with the kinematic data, but only at the expense of the standard assumption that DLAS are produced by rotationally supported gas discs whose sizes are determined by conservation of angular momentum. We suggest that the distribution of cold gas at high redshift may be dominated by another process, such as tidal streaming due to mergers.

Ariyeh H. Maller; Jason X. Prochaska; Rachel S. Somerville; Joel R. Primack

2000-02-24T23:59:59.000Z

196

Incompatibility of a comoving Ly-alpha forest with supernova-Ia luminosity distances  

E-Print Network (OSTI)

Recently Perlmutter et al. suggested a positive value of Einstein's cosmological constant Lambda on the basis of luminosity distances from type-Ia supernovae. However, Lambda world models had earlier been proposed by Hoell & Priester and Liebscher et al. on the basis of quasar absorption-line data. Employing more general repulsive fluids ("dark energy") encompassing the Lambda component we quantitatively compare both approaches with each other. Fitting the SN-data by a minimum-component model consisting of dark energy + dust yields a closed universe with a large amount of dust exceeding the baryonic content constrained by big-bang nucleosynthesis. The nature of the dark energy is hardly constrained. Only when enforcing a flat universe there is a clear tendency to a dark-energy Lambda fluid and the `canonical' value Omega_M = 0.3 for dust. Conversely, fitting the quasar-data by a minimum-component model yields a sharply defined, slightly closed model with a low dust density ruling out significant pressureless dark matter. The dark-energy component obtains an equation-of-state P = -0.96 epsilon close to that of a Lambda-fluid. Omega_M = 0.3 or a precisely flat spatial geometry are inconsistent with minimum-component models. It is found that quasar and supernova data sets cannot be reconciled with each other via (repulsive ideal fluid+dust+radiation)-world models. Compatibility could be reached by drastic expansion of the parameter space with at least two exotic fluids added to dust and radiation as world constituents. If considering such solutions as far-fetched one has to conclude that the quasar absorption line and the SN-Ia constraints are incompatible.

Jens Thomas; Hartmut Schulz

2001-03-18T23:59:59.000Z

197

Sustainable Forest Finance Toolkit | Open Energy Information  

Open Energy Info (EERE)

Sustainable Forest Finance Toolkit Sustainable Forest Finance Toolkit Jump to: navigation, search Tool Summary LAUNCH TOOL Name: Sustainable Forest Finance Toolkit Agency/Company /Organization: World Business Council for Sustainable Development Sector: Land Focus Area: Forestry Topics: Finance Resource Type: Guide/manual Website: www.pwc.co.uk/pdf/forest_finance_toolkit.pdf Sustainable Forest Finance Toolkit Screenshot References: Sustainable Forest Finance Toolkit[1] Overview "This Toolkit has been developed jointly by PricewaterhouseCoopers (PwC) and the World Business Council for Sustainable Development (WBCSD). It is a globally applicable resource designed to help financial institutions support the management of forest resources through sustainable and legal timber production and processing, and markets for carbon and other

198

Forest Carbon Index | Open Energy Information  

Open Energy Info (EERE)

Forest Carbon Index Forest Carbon Index Jump to: navigation, search Tool Summary LAUNCH TOOL Name: Forest Carbon Index Agency/Company /Organization: Resources for the Future Partner: United Nations Foundation Sector: Land Focus Area: Forestry Topics: Finance, GHG inventory, Market analysis Resource Type: Maps, Software/modeling tools User Interface: Website Website: www.forestcarbonindex.org/ Web Application Link: www.forestcarbonindex.org/maps.html Cost: Free References: Forest Carbon Index [1] The Forest Carbon Index (FCI) compiles and displays global data relating to biological, economic, governance, investment, and market readiness conditions for every forest and country in the world, revealing the best places and countries for forest carbon investments. Please use this site to

199

Nuclear diagnostic for fast alpha particles  

DOE Patents (OSTI)

This invention relates generally to high energy confined plasmas and more particularly is directed to measuring the velocity distribution of confined energetic alpha particles resulting from deuterium-tritium fusion reactions in a confined energetic plasma.

Grisham, L.R.; Post, D.E. Jr.; Dawson, J.M.

1983-11-23T23:59:59.000Z

200

Evidence of patchy hydrogen reionization from an extreme Ly$\\alpha$ trough below redshift six  

E-Print Network (OSTI)

We report the discovery of an extremely long ($\\sim$110 Mpc/$h$) and dark ($\\tau_{\\rm eff} \\gtrsim 7$) Ly$\\alpha$ trough extending down to $z \\simeq 5.5$ towards the $z_{\\rm em} \\simeq 6.0$ quasar ULAS J0148+0600. We use these new data in combination with Ly$\\alpha$ forest measurements from 42 quasars at $4.5 \\le z_{\\rm em} \\le 6.4$ to conduct an updated analysis of the line-of-sight variance in the intergalactic Ly$\\alpha$ opacity over $4 \\le z \\le 6$. We find that the scatter in transmission among lines of sight near $z \\sim 6$ significantly exceeds theoretical expectations for either a uniform ultraviolet background (UVB) or simple fluctuating UVB models in which the mean free path to ionizing photons is spatially invariant. The data, particularly near $z \\simeq 5.6$-5.8, instead require fluctuations in the volume-weighted hydrogen neutral fraction that are a factor three or more beyond those expected from density variations alone. We argue that these fluctuations are most likely driven by large-scale vari...

Becker, George D; Madau, Piero; Pettini, Max; Ryan-Weber, Emma V; Venemans, Bram P

2014-01-01T23:59:59.000Z

Note: This page contains sample records for the topic "lyman alpha forest" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


201

COLORADO STATEWIDE FOREST RESOURCE ASSESSMENTCOLORADO STATEWIDE FOREST RESOURCE ASSESSMENTCOLORADO STATEWIDE FOREST RESOURCE ASSESSMENTCOLORADO STATEWIDE FOREST RESOURCE ASSESSMENT CFRI Conference onCFRI Conference onCFRI Conference onCFRI Conference on W  

E-Print Network (OSTI)

COLORADO STATEWIDE FOREST RESOURCE ASSESSMENTCOLORADO STATEWIDE FOREST RESOURCE ASSESSMENTCOLORADOCFRI Conference onCFRI Conference onCFRI Conference on Working Together to Sustain Colorado's ForestsWorking Together to Sustain Colorado's ForestsWorking Together to Sustain Colorado's ForestsWorking Together

202

NPP Boreal Forest: Mississagi, Canada  

NLE Websites -- All DOE Office Websites (Extended Search)

Mississagi, Canada, 1970-1973 Mississagi, Canada, 1970-1973 Data Citation Cite this data set as follows: Morrison, I. K., and N. W. Foster. 2001. NPP Boreal Forest: Mississagi, Canada, 1970-1973. Data set. Available on-line [http://www.daac.ornl.gov] from Oak Ridge National Laboratory Distributed Active Archive Center, Oak Ridge, Tennessee, U.S.A. Description Biomass and nutrient content of different vegetation components and soil were determined for a 30-year old pine forest in northern Ontario, Canada, and a detailed nutrient budget published. The 30-year old stand was compared with nearby 20-year old and 65-year old stands, all of which were growing on a glaciofluvial flat. Net primary productivity (NPP) was not directly estimated, but data exist on above-ground tree growth and litterfall.

203

NPP Boreal Forest: Schefferville, Canada  

NLE Websites -- All DOE Office Websites (Extended Search)

Schefferville, Canada, 1974 Schefferville, Canada, 1974 Data Citation Cite this data set as follows: Rencz, A. N., and A. N. D. Auclair. 2001. NPP Boreal Forest: Schefferville, Canada, 1974. Data set. Available on-line [http://www.daac.ornl.gov] from Oak Ridge National Laboratory Distributed Active Archive Center, Oak Ridge, Tennessee, U.S.A. Description Biomass and nutrient content of a boreal ecosystem (subarctic lichen woodland) was determined at Schefferville, Canada, during the 1974 growing season. The main objective was to describe a "typical" lichen woodland, a vegetation type found in the transitional zone between boreal forest and tundra on well-drained, nutrient-poor podzolic soils. Such areas are occupied sparsely by black spruce trees (Picea mariana) with low growth

204

National Forest ent of Energy  

E-Print Network (OSTI)

XY! Santa Fe National Forest Departm ent of Energy 00-011(c) R-SMA-2.05 191.140 Acres R00406030003 juniper bale R00406030002 juniper bale R00402040005 established vegetation, green hatch area 7100 7100! R-SMA-0.5 0.181 Acres R-SMA-2.05 191.140 Acres C-00-020 00-011(e)00-011(c) Rendija Canyon Guaje

205

Wind disturbance in remnant forest stands along the prairie-forest ecotone, Minnesota, USA  

Science Journals Connector (OSTI)

Strong winds are an important disturbance agent in northern ... forests. On June 19, 1994, strong winds (>160 km h(-1)...) associated with a tornado damaged forested areas within the Rydell National Wildlife Refu...

James M. Dyer; Philip R. Baird

1997-02-01T23:59:59.000Z

206

Alpha Channeling in Rotating Plasma with Stationary Waves  

SciTech Connect

An extension of the alpha channeling effect to supersonically rotating mirrors shows that the rotation itself can be driven using alpha particle energy. Alpha channeling uses radiofrequency waves to remove alpha particles collisionlessly at low energy. We show that stationary magnetic fields with high n? can be used for this purpose, and simulations show that a large fraction of the alpha energy can be converted to rotation energy.

A. Fetterman and N.J. Fisch

2010-02-15T23:59:59.000Z

207

Forest Bioenergy or Forest Carbon? Assessing Trade-Offs in Greenhouse Gas Mitigation with Wood-Based Fuels  

Science Journals Connector (OSTI)

Forest Bioenergy or Forest Carbon? ... Forest carbon consequences of biomass harvest for bioenergy production can significantly delay and reduce GHG mitigation and should be included in life cycle studies. ... The potential of forest-based bioenergy to reduce greenhouse gas (GHG) emissions when displacing fossil-based energy must be balanced with forest carbon implications related to biomass harvest. ...

Jon McKechnie; Steve Colombo; Jiaxin Chen; Warren Mabee; Heather L. MacLean

2010-12-10T23:59:59.000Z

208

Beaver Monitoring Protocol for Forest Service Region 2 Revised May 2008 1 USDA FOREST SERVICE REGION 2  

E-Print Network (OSTI)

HILLS NATIONAL FORESTS (Photo from Nature of New England Website ­ http Black Hills National Forest, USDA Forest Service, Custer, SD Revised May 2008 #12;Beaver MonitoringBeaver Monitoring Protocol for Forest Service Region 2 ­ Revised May 2008 1 USDA FOREST SERVICE

Beck, Jeffrey L.

209

Governance of Forests Initiative | Open Energy Information  

Open Energy Info (EERE)

Forests Initiative Forests Initiative Jump to: navigation, search Name Governance of Forests Initiative Agency/Company /Organization World Resources Institute Sector Land Focus Area Forestry Topics Implementation, Policies/deployment programs Resource Type Lessons learned/best practices Website http://www.wri.org/project/gov Country Brazil, Indonesia UN Region Latin America and the Caribbean References WRI-Forests [1] Overview "The Governance of Forests Initiative (GFI) is a collaboration between WRI, the Instituto do Homem e Meio Ambiente da Amazonia (IMAZON), and the Instituto Centro de Vida (ICV) to develop a framework of indicators for assessing and improving governance in the forest sector, as an essential precursor to debating whether and how to unleash market forces to

210

Superior National Forest Project/Campaign Document  

NLE Websites -- All DOE Office Websites (Extended Search)

Superior National Forest Project/Campaign Document Superior National Forest Project/Campaign Document Summary: This project was an intensive remote sensing and field study of the boreal forest in the Superior National Forest (SNF). The purpose of this experiment was to investigate the ability of remote-sensing data to provide estimates of biophysical properties of ecosystems, such as leaf area index (LAI), biomass, and net primary productivity (NPP). The SNF is mostly covered by boreal forest. Boreal forests were chosen for this project because of their relative taxonomic simplicity, their great extent, and their potential sensitivity to climatic change. Information on the SNF project is available by accessing the SNF pages maintained by the ORNL DAAC at http://daac.ornl.govSNF/summary.html. Table of Contents:

211

Wild Life Restoration in the Forest Preserves  

NLE Websites -- All DOE Office Websites (Extended Search)

Life Restoration in the Forest Preserves Life Restoration in the Forest Preserves Nature Bulletin No. 613 October 15, 1960 Forest Preserve District of Cook County Daniel Ryan, President Roberts Mann, Conservation Editor David H. Thompson, Senior Naturalist WILD LIFE RESTORATION IN THE FOREST PRESERVES The wealth of wildlife in the Cook County forest preserves rivals that in any of the other 101 Illinois counties, in spite of the fact that over half of the state's people are crowded within its boundaries. The large variety of birds, mammals and other animal life now in this county is possible largely because the Forest Preserve District protects their natural habitats, including many that have been restored. These include timbered rolling uplands, wooded stream valleys, prairie remnants, sand flats, marshes, and a hundred bodies of water. Protection, for as much as forty years, against fire, hunting, trapping and other destruction has allowed the natural comeback of these habitats and the build-up of wildlife populations.

212

Occurrences of forest butterflies in the farm bush savannah outside a forest  

E-Print Network (OSTI)

, uncovered two broad community types, i.e. forest (edge plus 80 m inside) and matrix. Relative fidelity commonly trapped in the matrix. Although forest generalists and dry forest species were expected to be more., 1992; Poorter et al., 2004; although see Fairhead and Leach, 2002). This human transform- ation of what

Bossart, Janice L.

213

Montage Builders Northern Forest, Ryerson University Selected...  

Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

Selected as Grand Winners of First Student Design Competition for Zero Energy Ready Homes Montage Builders Northern Forest, Ryerson University Selected as Grand Winners of...

214

Ecophysiology of forest and savanna vegetation  

E-Print Network (OSTI)

Lowland vegetation of tropical South America—An overview, instate for tropical South America, Geophys. Res. Lett. , 30(dry seasonal forests of South America, Ann. Mo. Bot. Gard. ,

Lloyd, J.; Goulden, M. L.; Ometto, J. P.; Patino, S.; Fyllas, N. M.; Quesada, C. A.

2013-01-01T23:59:59.000Z

215

Pelleting characteristics of torrefied forest biomass.  

E-Print Network (OSTI)

??Forest biomass (pine wood chips) was torrefied at different temperature (225 to 300 °C) to generate energy dense and hydrophobic biomass suitable for producing pellets.… (more)

Phanphanich, Manunya

2010-01-01T23:59:59.000Z

216

CRiSTAL Forests | Open Energy Information  

Open Energy Info (EERE)

cristaltooldownload.aspxcristal-forests Cost: Free Related Tools Greenhouse Gas and Air Pollution Interactions and Synergies (GAINS) Job and Economic Development Impact...

217

Forest Carbon Partnership Facility | Open Energy Information  

Open Energy Info (EERE)

Forest Carbon Partnership Facility Forest Carbon Partnership Facility Jump to: navigation, search Logo: Forest Carbon Partnership Facility Name Forest Carbon Partnership Facility Agency/Company /Organization World Bank Sector Land Focus Area Forestry Topics Co-benefits assessment, Finance Resource Type Lessons learned/best practices, Training materials Website http://www.forestcarbonpartner Country Argentina, Bolivia, Cambodia, Cameroon, Central African Republic, Chile, Colombia, Costa Rica, Democratic Republic of Congo, El Salvador, Equatorial Guinea, Ethiopia, Gabon, Ghana, Guatemala, Guyana, Honduras, Indonesia, Kenya, Laos, Laos, Liberia, Madagascar, Mexico, Moldova, Mozambique, Nepal, Nicaragua, Panama, Papua New Guinea, Paraguay, Peru, Republic of the Congo, Suriname, Tanzania, Thailand, Uganda, Vanuatu, Vietnam

218

Department of Forest and Wood Science Academic Programmes for 2014  

E-Print Network (OSTI)

Department of Forest and Wood Science Academic Programmes for 2014 Postgraduate Diploma Enquiries: Head of Department Contact details: Department of Forest and Wood Science Stellenbosch University;Department of Forest and Wood Science - 2012 2 Contents: Postgraduate Programmes Postgraduate Diploma

Geldenhuys, Jaco

219

Carbon sequestration in forest vegetation of Beijing at sublot level  

Science Journals Connector (OSTI)

Based on forest inventory data (FID) at sublot level, we estimated the carbon sequestration in forest vegetation of Beijing, China in 2009. In this study, the carbon sequestration in forest vegetation at sublot l...

Yu Xiao; Kai An; Gaodi Xie; Chunxia Lu; Biao Zhang

2011-06-01T23:59:59.000Z

220

AlphaWatt Ltd | Open Energy Information  

Open Energy Info (EERE)

AlphaWatt Ltd AlphaWatt Ltd Jump to: navigation, search Name AlphaWatt Ltd Place London, United Kingdom Zip EC1V 4PY Sector Solar Product Solar project developer, plans to become an independent power provider. Coordinates 51.506325°, -0.127144° Loading map... {"minzoom":false,"mappingservice":"googlemaps3","type":"ROADMAP","zoom":14,"types":["ROADMAP","SATELLITE","HYBRID","TERRAIN"],"geoservice":"google","maxzoom":false,"width":"600px","height":"350px","centre":false,"title":"","label":"","icon":"","visitedicon":"","lines":[],"polygons":[],"circles":[],"rectangles":[],"copycoords":false,"static":false,"wmsoverlay":"","layers":[],"controls":["pan","zoom","type","scale","streetview"],"zoomstyle":"DEFAULT","typestyle":"DEFAULT","autoinfowindows":false,"kml":[],"gkml":[],"fusiontables":[],"resizable":false,"tilt":0,"kmlrezoom":false,"poi":true,"imageoverlays":[],"markercluster":false,"searchmarkers":"","locations":[{"text":"","title":"","link":null,"lat":51.506325,"lon":-0.127144,"alt":0,"address":"","icon":"","group":"","inlineLabel":"","visitedicon":""}]}

Note: This page contains sample records for the topic "lyman alpha forest" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


221

Exotic decay model and alpha decay studies  

SciTech Connect

In exotic decay studies, the lifetime of alpha emission occurs crucially in the branching ratio calculation. In this work, we extend our previous exotic decay model to calculate the same. But, in this case unlike in the exotic decay, the redistribution of charge for given masses of the fragments has to be taken into account since the charge-to-mass ratio of the alpha fragment differs from that of the parent nucleus. We have therefore modified the Yukawa-plus-exponential potential in the post-scission region in our model suitably so as to allow the required charge redistribution among the fragments in the region between sharp contact and the point up to which the finite-range effects persist. The success of this model for alpha decay is as good as for the exotic decay studies.

Shanmugam, G.; Kamalaharan, B. (Department of Physics, Presidency College, Madras 600005, India (IN))

1990-04-01T23:59:59.000Z

222

Energy production in varying {\\alpha} theories  

E-Print Network (OSTI)

Aims. On the basis the theoretical model proposed by Bekenstein for {\\alpha}'s variation, we analyze the equations that describe the energy exchange between matter and both the electromagnetic and the scalar fields. Methods. We determine how the energy flow of the material is modified by the presence of a scalar field. We estimate the total magnetic energy of matter from the "sum rules techniques". We compare the results with data obtained from the thermal evolution of the Earth and other planets. Results. We obtain stringent upper limits to the variations in {\\alpha} that are comparable with those obtained from atomic clock frequency variations. Conclusions. Our constraints imply that the fundamental length scale of Bekenstein's theory "lB" cannot be larger than Planck's length "lP".

Kraiselburd, Lucila; Sisterna, Pablo; Vucetich, Héctor; 10.1051/0004-6361/201015970

2011-01-01T23:59:59.000Z

223

Radiological hazards of alpha-contaminated waste  

SciTech Connect

The radiological hazards of alpha-contaminated wastes are discussed in this overview in terms of two components of hazard: radiobiological hazard, and radioecological hazard. Radiobiological hazard refers to human uptake of alpha-emitters by inhalation and ingestion, and the resultant dose to critical organs of the body. Radioecological hazard refers to the processes of release from buried wastes, transport in the environment, and translocation to man through the food chain. Besides detailing the sources and magnitude of hazards, this brief review identifies the uncertainties in their estimation, and implications for the regulatory process.

Rodgers, J.C.

1982-01-01T23:59:59.000Z

224

Forest Monitoring for Action (FORMA) | Open Energy Information  

Open Energy Info (EERE)

Forest Monitoring for Action (FORMA) Forest Monitoring for Action (FORMA) Jump to: navigation, search Tool Summary LAUNCH TOOL Name: Forest Monitoring for Action (FORMA) Agency/Company /Organization: Center for Global Development Sector: Land, Climate Focus Area: Forestry Topics: GHG inventory, Resource assessment Resource Type: Maps Website: www.cgdev.org/section/initiatives/_active/forestmonitoringforactionfor Cost: Free Forest Monitoring for Action (FORMA) Screenshot References: FORMA[1] "Forest Monitoring for Action (FORMA) uses freely available satellite data to generate rapidly updated online maps of tropical forest clearing, providing useful information for local and national forest conservation programs, as well as international efforts to curb greenhouse gas emissions by paying to keep forests intact."

225

Regulation and Moral Hazard in Forest Concessions in Brazil  

E-Print Network (OSTI)

and Forest Concessions in Brazil. Planejamento e Políticaswelfare maximization in Brazil. Rio de Janeiro: IPEA, 1998.in Forest Concessions in Brazil Eduardo A. Tillmann MS.

Balbinotto Neto, Giácomo; Tillmann, Eduardo A; Ratnieks, Ianes

2012-01-01T23:59:59.000Z

226

Accuracy Assessment for Forest and Land Use Maps (English version...  

Open Energy Info (EERE)

Accuracy Assessment for Forest and Land Use Maps (English version) Jump to: navigation, search Tool Summary LAUNCH TOOL Name: Accuracy Assessment for Forest and Land Use Maps...

227

The economics of carbon sequestration in western Oregon forests.  

E-Print Network (OSTI)

??This study considered regional forest policies for sequestering carbon in existing forests in western Oregon. A model of log markets in western Oregon was employed… (more)

Im, Eun Ho

2007-01-01T23:59:59.000Z

228

Nature climate change features Los Alamos forest research  

NLE Websites -- All DOE Office Websites (Extended Search)

Nature climate change features forest research Nature climate change features Los Alamos forest research The print issue features as its cover story the tree-stress research of...

229

Nature Climate Change features Los Alamos forest research  

NLE Websites -- All DOE Office Websites (Extended Search)

Nature Climate Change Features Forest Research Nature Climate Change features Los Alamos forest research The print issue features as its cover story the tree-stress research of...

230

High Tonnage Forest Biomass Production Systems from Southern...  

Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

High Tonnage Forest Biomass Production Systems from Southern Pine Energy Plantations High Tonnage Forest Biomass Production Systems from Southern Pine Energy Plantations This...

231

High Tonnage Forest Biomass Production Systems from Southern...  

Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

DOE Biomass Program Review High Tonnage Forest Biomass Production Systems from Southern Pine Energy Plantations DE-EE0001036 S. Taylor (Auburn University), R. Rummer (USDA Forest...

232

High Tonnage Forest Biomass Production Systems from Southern...  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Biomass Program Review High Tonnage Forest Biomass Production Systems from Southern Pine Energy Plantations DE-EE0001036 S. Taylor (Auburn University), R. Rummer (USDA Forest...

233

Forest Carbon and Biomass Energy - LCA Issues and Challenges...  

Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

Forest Carbon and Biomass Energy - LCA Issues and Challenges Forest Carbon and Biomass Energy - LCA Issues and Challenges Breakout Session 2D-Building Market Confidence and...

234

Forest Carbon - Sustaining an Important Climate Service: Roles...  

Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

Forest Carbon - Sustaining an Important Climate Service: Roles of Biomass Use and Markets Forest Carbon - Sustaining an Important Climate Service: Roles of Biomass Use and Markets...

235

Forest County Potawatomi Tribe Cuts Emissions, Promotes Green...  

Energy Savers (EERE)

Emissions, Promotes Green Growth Forest County Potawatomi Tribe Cuts Emissions, Promotes Green Growth February 23, 2012 - 6:29pm Addthis The Forest County Potawatomi Tribe's solar...

236

Vegetation uptake from burial ground alpha waste trenches  

SciTech Connect

This study was conducted as part of an evaluation of the potential radiological consequences of reinhabiting the SRS burial ground. The objective was to determine the uptake of buried, low-level, transuranic waste from unlined earthen trenches by forest vegetation. Two tree plots were established in 1979. One plot was put over a trench containing alpha waste and the other in an area without trenches. When the tree seedlings were sampled during 1979 and 1980, and analysized for {sup 239}Pu and {sup 238}Pu, there was only a small difference in radionuclude concentration between trees planted over the trench and those planted on the control plot because of the limited root intrusion into the trench by the seedlings. However, when trees were sample in 1986, 1987, and 1988 and analyzed for {sup 241}Am, {sup 238}Pu, {sup 239}Pu, and {sup 237}Np activity, the average activity of all of these isotopes was significantly higher over the trenches than in the control plot. These measurements indicate that tree roots will extract transuranic isotopes from buried, low-level waste. The amount of radioisotopes moved from the trenches to the surface is small and the level in the trees is low enough that dose from exposure will be small. The long term effects of transport of radioisotopes from the trenches to the surface soil was evaluated by estimating the accumulation in the surface soil. Transuranic activity in selected food crops was calculated using the soil activity and the literature derived concentration factors. In all cases, the activity of the transuranic isotopes in the edible portion of the plants was quite low. The activity in the leaf tissue was much higher than in the seed. However, it should be noted that in only one case was the activity higher than the naturally occurring activity of {sup 40}K in the pine foliage.

Murphy, C.E. Jr.; Tuckfield, R.C.

1989-01-01T23:59:59.000Z

237

Forest Research No. 36 March 2007  

E-Print Network (OSTI)

Forest Research No. 36 March 2007 EcotypeThe Biodiversity and Conservation Newsletter of Ecology style of newsletter will please our readership. Ecotype has been the Biodiversity and Conservation to include information from many other projects related to forest biodiversity and conservation management

238

Increasing biomass in Amazonian forest plots  

Science Journals Connector (OSTI)

...Malhi and O. L. Phillips Increasing biomass in Amazonian forest plots Timothy R...by Phillips et al. of changes in the biomass of permanent sample plots in Amazonian...Therefore we present a new analysis of biomass change in old-growth Amazonian forest...

2004-01-01T23:59:59.000Z

239

The North American Forest Sector Outlook Study  

E-Print Network (OSTI)

to consumption patterns for wood products and bioenergy. Markets for wood products, which mainly are destined for packaging and miscellaneous uses will continue to enjoy strong global demand. Keywords Bioenergy, biomass, forest products, forest resources, future, GDP, globalization, import, increment, IPCC, markets

240

FOREST HEALTH DAY Thursday 20 September 2012  

E-Print Network (OSTI)

Sarah Green, Forest Research 1130 - Comfort break (Tea/Coffee) 1145 - Insect pests of trees in Scotland 272440 There will be no charge for this event. Tea, coffee and a light lunch will be provided and disease issues in the field. #12;FOREST HEALTH DAY 0930 - Registration, tea/coffee 1000 - Welcome

Note: This page contains sample records for the topic "lyman alpha forest" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


241

Sustainability the forest and paper industry  

E-Print Network (OSTI)

is active in the three interdependent pillars of sustainability. The Economic Pillar The world's forest interrelated pillars of sustainability dealing with economic, social and environmental aspects. The Three Pillars of Sustainability The forest and paper industry is active in all three areas. All over the world

242

Sustainability the forest and paper industry  

E-Print Network (OSTI)

interrelated pillars of sustainability dealing with economic, social and environmental aspects. The Three Pillars of Sustainability The forest and paper industry is active in all three areas. All over the world interdependent pillars of sustainability. The Economic Pillar The world's forest products industry significantly

243

"ECONOMIC ANALYSES OF SUSTAINABLE FOREST MANAGEMENT  

E-Print Network (OSTI)

implications · An alternative view of SFM · Analysis IntroductionIntroduction · Forests produce multiple products and services including timber, wildlife habitat, species bio- and genetic diversity, water quality and control, waste remediation, recreation, and carbon sequestration. #12;· In economics, forests are analyzed

Gray, Matthew

244

Wildland Fire Protection Program NEBRASKA FOREST SERVICE  

E-Print Network (OSTI)

Wildland Fire Protection Program NEBRASKA FOREST SERVICE HOW NEBRASKANS BENEFIT: · improved protection of life and property from wildland fires · improved firefighting capability in rural fire districts · increased firefighter knowledge of wildland fire suppression and prevention · reduced forest

Farritor, Shane

245

"The Queen Elizabeth Forest Park (QEFP) was  

E-Print Network (OSTI)

"The Queen Elizabeth Forest Park (QEFP) was designated by the Forestry Commission in 1953 to mark the coronation of Queen Elizabeth. It attracts over a million visitors a year to its stunning landscape of forest, mountain, moorland and lochs that stretches from the east shore of Loch Lomond to the hills of Strathyre

246

Fuel to Burn: Economics of Converting Forest  

E-Print Network (OSTI)

Fuel to Burn: Economics of Converting Forest Thinnings to Energy Using BioMax in Southern Oregon E a small-scale (100-kW) BioMax without a subsidy or tax credit, even if fuel were delivered to the plant; Christensen, Glenn. 2005. Fuel to burn: Economics of converting forest thinnings to energy using Bio

Fried, Jeremy S.

247

Production of alpha-amylase by yeast  

SciTech Connect

The enzyme alpha-amylase confers to an organism the enzymatic activity for the degradation of polyglucosides with alpha-1,4 glycosidic bonds such as starch and glycogen which are among the major storage compounds in plants and animals. Most alpha-amylases are single polypeptides of molecular weights around 50,000 dalton. They are generally found in the digestive tract of animals and in germinating seeds. Among the products released upon enzymatic degradation of polyglucosides maltose, a sugar that can be utilized as carbon source by yeast, is a major constituent. A cDNA segment complementary to mouse salivary amylase messenger RNA has been inserted into the yeast expression vector pMA56 behind the promoter of the gene encoding alcohol dehydrogenase I of yeast. Yeast transformants harboring plasmids with the normal orientation of the promoter and the mouse amylase cDNA gene produce amylase and release the enzyme in free form into the culture medium. Approximately 90% of the amylase activity is found in the medium. Yeast strains carrying MAL allele and transformed with a plasmid which directed the synthesis of mouse alpha-amylase were tested on plates containing starch and in batch fermentations using different high molecular weight sugars and oligosaccharides as carbon source. The results of these experiments will be discussed. (Refs. 21).

Thomse, K.K.

1987-01-01T23:59:59.000Z

248

The SimCore/Alpha Functional Simulator  

Science Journals Connector (OSTI)

We have developed a function-level processor simulator, SimCore/Alpha Functional Simulator Version 2.0 (SimCore Version 2.0), for processor architecture research and processor education. This paper describes the design and implementation of SimCore Version ...

Kenji Kise; Takahiro Katagiri; Hiroki Honda; Toshitsugu Yuba

2004-06-01T23:59:59.000Z

249

H-alpha observations of zeta Tauri  

E-Print Network (OSTI)

We report H-alpha observations of zeta Tauri, taken between late 2000 and early 2006. Next to extending existing long-term montioring of the disk state of this star we report an intermediate timescale of about 69 days to be present in the V/R variations of the Halpha line. The observational data will be published together with this manuscript.

E. Pollmann; Th. Rivinius

2008-01-29T23:59:59.000Z

250

SAR Imagery: Rain Forests, South America  

NLE Websites -- All DOE Office Websites (Extended Search)

Images of Rain Forests in South America Images of Rain Forests in South America The ORNL DAAC now offers a CD-ROM volume containing Synthetic Aperture Radar (SAR) imagery of the rain forest region of South America, including the Amazon Basin. The images were collected during 1995-1996 as part of an international project led by the National Space Development Agency of Japan (NASDA) to map the world's rain forest regions to high resolution by means of SAR. The 4-disc volume--entitled "JERS-1 SAR Global Rain Forest Mapping Project: Vol. AM-1, South America"--is made available under the auspices of the Large-Scale Biosphere-Atmosphere Experiment in Amazonia (LBA). These CDs can be ordered through the ORNL DAAC at http://daac.ornl.gov/prepaks.shtml (look for the "LBA" listings).

251

Tropical Forest Trust | Open Energy Information  

Open Energy Info (EERE)

Tropical Forest Trust Tropical Forest Trust Name Tropical Forest Trust Address The Forest Trust 721 NW Ninth Avenue, Suite 195 Place Portland, Oregon Zip 97209 Region Pacific Northwest Area Year founded 1999 Website http://www.tft-forests.org/ Coordinates 45.5284073°, -122.6803494° Loading map... {"minzoom":false,"mappingservice":"googlemaps3","type":"ROADMAP","zoom":14,"types":["ROADMAP","SATELLITE","HYBRID","TERRAIN"],"geoservice":"google","maxzoom":false,"width":"600px","height":"350px","centre":false,"title":"","label":"","icon":"","visitedicon":"","lines":[],"polygons":[],"circles":[],"rectangles":[],"copycoords":false,"static":false,"wmsoverlay":"","layers":[],"controls":["pan","zoom","type","scale","streetview"],"zoomstyle":"DEFAULT","typestyle":"DEFAULT","autoinfowindows":false,"kml":[],"gkml":[],"fusiontables":[],"resizable":false,"tilt":0,"kmlrezoom":false,"poi":true,"imageoverlays":[],"markercluster":false,"searchmarkers":"","locations":[{"text":"","title":"","link":null,"lat":45.5284073,"lon":-122.6803494,"alt":0,"address":"","icon":"","group":"","inlineLabel":"","visitedicon":""}]}

252

E-Print Network 3.0 - alpha hnf-3alpha negatively Sample Search...  

NLE Websites -- All DOE Office Websites (Extended Search)

Manchester Collection: Biology and Medicine 4 VANDERBILT UNIVERSITY OFFICE OF CAMPUS RECREATION Summary: 1 Alpha Delta Pi III 2 Ankurage I II 3 Don't Haze Me Bro 2 II I 4 Gram...

253

E-Print Network 3.0 - alpha cap alpha Sample Search Results  

NLE Websites -- All DOE Office Websites (Extended Search)

Pi Greek Woman of the Year Ann... Marie Frappier - Rho Gamma Greek Man of the Year Jordan Fischette - Alpha Tau Omega Greek Professor... of the Year Carl Braunlich Philanthropy...

254

E-Print Network 3.0 - alpha-1-antitrypsin augmentation therapy...  

NLE Websites -- All DOE Office Websites (Extended Search)

Alpha-1-Antitrypsin Alpha-Hydroxybutyrate Dehydrogenase (aHBDH) ALTSGPT Amylase Amylase (Alpha) Amylase Source: Rodriguez, Carlos - Department of Mathematics and Statistics, State...

255

E-Print Network 3.0 - alpha-1 antitrypsin deficiency Sample Search...  

NLE Websites -- All DOE Office Websites (Extended Search)

Alpha-1-Antitrypsin Alpha-Hydroxybutyrate Dehydrogenase (aHBDH) ALTSGPT Amylase Amylase (Alpha) Amylase Source: Rodriguez, Carlos - Department of Mathematics and Statistics, State...

256

E-Print Network 3.0 - alpha chi sigma Sample Search Results  

NLE Websites -- All DOE Office Websites (Extended Search)

Alpha: 2515 Leon Street KS...Kappa Sigma: 1002 West 26th Street LCA...Lambda Chi Alpha... ACW...Alpha Chi Omega: 2420 Nueces Street ADP...

257

E-Print Network 3.0 - alpha-radiation construction calibration...  

NLE Websites -- All DOE Office Websites (Extended Search)

Alpha Radiation - An alpha particle is identical... of only an inch or so. Naturally occurring radioactive elements such as radon emit alpha radiation... to Construct PE Plant...

258

CRAD, Training - Oak Ridge National Laboratory TRU ALPHA LLWT...  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Training - Oak Ridge National Laboratory TRU ALPHA LLWT Project CRAD, Training - Oak Ridge National Laboratory TRU ALPHA LLWT Project November 2003 A section of Appendix C to DOE G...

259

The effects of alpha particle irradiation on stainless steel  

E-Print Network (OSTI)

A Monte Carlo code was developed to calculate the alpha particle emission rate from WGPu. It yielded information pertaining to the alpha particle source strength at the WGPU and stainless steel interface as well as the damage production and He...

Shipp, John Douglas

1999-01-01T23:59:59.000Z

260

Name of Project Pi(s)/Institution(s)  

NLE Websites -- All DOE Office Websites (Extended Search)

Cosmic Frontier/Structure Formation Cosmic Frontier/Structure Formation List of Projects/PI(s)/Institution(s) * ENZO simulations of Baryon Acoustic Oscillation (BAO) in the Lyman Alpha Forest and Galaxy Redshift Surveys (M. Norman, USCD) * No HEP funding (cut from SciDAC2 CAC proposal) Lyman alpha forest Galaxy large scale structure 4096 3 , 16,384 cores Kraken Sloan Digital Sky Survey Baryon Acoustic Oscillations (BAO) in the Cosmic Microwave Background BAO and cosmic structure BAO standard yardstick Baryon Acoustic Oscillations (BAO) * Imprint on the matter power spectrum P(k) due to acoustic oscillations of the baryon-photon fluid prior to recombination * Serves as a standard ruler, calibrated by CMB * Measure d A (z) and H(z) from large galaxy redshift surveys * Systematics requiring extreme scale simulation

Note: This page contains sample records for the topic "lyman alpha forest" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


261

A DEEP HUBBLE SPACE TELESCOPE SEARCH FOR ESCAPING LYMAN CONTINUUM FLUX AT z {approx} 1.3: EVIDENCE FOR AN EVOLVING IONIZING EMISSIVITY  

SciTech Connect

We have obtained deep Hubble Space Telescope far-UV images of 15 starburst galaxies at z {approx} 1.3 in the GOODS fields to search for escaping Lyman continuum (LyC) photons. These are the deepest far-UV images (m{sub AB} = 28.7, 3{sigma}, 1'' diameter) over this large an area (4.83 arcmin{sup 2}) and provide some of the best escape fraction constraints for any galaxies at any redshift. We do not detect any individual galaxies, with 3{sigma} limits to the LyC ({approx}700 A) flux 50-149 times fainter (in f{sub {nu}}) than the rest-frame UV (1500 A) continuum fluxes. Correcting for the mean intergalactic medium (IGM) attenuation (factor {approx}2), as well as an intrinsic stellar Lyman break (factor {approx}3), these limits translate to relative escape fraction limits of f{sub esc,rel} < [0.03, 0.21]. The stacked limit is f{sub esc,rel}(3{sigma}) < 0.02. We use a Monte Carlo simulation to properly account for the expected distribution of line-of-sight IGM opacities. When including constraints from previous surveys at z {approx} 1.3 we find that, at the 95% confidence level, no more than 8% of star-forming galaxies at z {approx} 1.3 can have relative escape fractions greater than 0.50. Alternatively, if the majority of galaxies have low, but non-zero, escaping LyC, the escape fraction cannot be more than 0.04. In light of some evidence for strong LyC emission from UV-faint regions of Lyman break galaxies (LBGs) at z {approx} 3, we also stack sub-regions of our galaxies with different surface brightnesses and detect no significant LyC flux at the f{sub esc,rel} < 0.03 level. Both the stacked limits and the limits from the Monte Carlo simulation suggest that the average ionizing emissivity (relative to non-ionizing UV emissivity) at z {approx} 1.3 is significantly lower than has been observed in LBGs at z {approx} 3. If the ionizing emissivity of star-forming galaxies is in fact increasing with redshift, it would help to explain the high photoionization rates seen in the IGM at z>4 and reionization of the IGM at z>6.

Siana, Brian; Bridge, Carrie R. [California Institute of Technology, MS 249-17, Pasadena, CA 91125 (United States); Teplitz, Harry I.; Chary, Ranga-Ram; Colbert, James W.; Scarlata, Claudia [Spitzer Science Center, California Institute of Technology, 220-6, Pasadena, CA 91125 (United States); Ferguson, Henry C.; Brown, Thomas M. [Space Telescope Science Institute, 3700 San Martin Drive, Baltimore, MD 21218 (United States); Giavalisco, Mauro [Department of Astronomy, University of Massachusetts, Amherst, MA 01003 (United States); Dickinson, Mark [National Optical Astronomy Observatory, 950 N. Cherry Avenue, Tucson, AZ 85719 (United States); De Mello, Duilia F. [Department of Physics, Catholic University of America, 620 Michigan Avenue, Washington, DC 20064 (United States); Conselice, Christopher J. [University of Nottingham, Nottingham, NG7 2RD (United Kingdom); Gardner, Jonathan P. [Astrophysics Science Division, Observational Cosmology Laboratory, Code 665, Goddard Space Flight Center, Greenbelt, MD 20771 (United States)

2010-11-01T23:59:59.000Z

262

Global Forest Products Trade by Ed Pepke, EFI  

E-Print Network (OSTI)

change policies: escalation of wood energy production, consumption and trade 3. Globalization of forestGlobal Forest Products Trade by Ed Pepke, EFI Forests, Markets, Policy & Practice Shanghai, China Trade Analyst FLEGT Facility Forests, Markets, Policy & Practice ­ Shanghai, 23 June 2011 FLEGT Facility

263

Training Needs in Louisiana's Value-Added Forest Products Industry  

E-Print Network (OSTI)

Training Needs in Louisiana's Value-Added Forest Products Industry Richard VloskyRichard Vlosky Director, Louisiana Forest Products Development CenterDirector, Louisiana Forest Products DevelopmentLSU Agricultural Center England Air ParkEngland Air Park--January 18, 2005January 18, 2005 Louisiana Forest

264

Seasonal exchange of CO 2 and delta 18 O-CO 2 varies with postfire succession in boreal forest ecosystems  

E-Print Network (OSTI)

forest and an evergreen conifer forest. In a final step, wecompared with evergreen conifer forest stands. We measurednorthern evergreen conifer forests with deciduous broadleaf

Welp, L. R; Randerson, J. T; Liu, H. P

2006-01-01T23:59:59.000Z

265

National Forest Management Act of 1976 | Open Energy Information  

Open Energy Info (EERE)

Forest Management Act of 1976 Forest Management Act of 1976 Jump to: navigation, search Statute Name National Forest Management Act of 1976 Year 1976 Url [[File:|160px|link=]] Description References Wikipedia[1] USFS Forest Management[2] The National Forest Management Act of 1976 is a federal law that governs the administration of national forests. This act requires the United States Forest Service to use a systematic and interdisciplinary approach to resource management in national forests. The USFS provides a full text of the Act here: Pub. L. 94-588 References ↑ "Wikipedia" ↑ "USFS Forest Management" Retrieved from "http://en.openei.org/w/index.php?title=National_Forest_Management_Act_of_1976&oldid=455235" Categories: Federal Environmental Statutes

266

Electrical Resistance of Alpha Hydrogen?Palladium  

Science Journals Connector (OSTI)

Electrical resistancemeasurements of gas?charged alpha hydrogen?palladium alloys have been made in the range 100° to 400°C. The fractional increase of palladiumresistance caused by addition of hydrogen is proportional to hydrogen concentration. The constant of proportionality is independent of temperature indicating that Matthiessen's rule is inapplicable to this system. When the results of this work are combined with those of previous authors all of the data can be adequately represented in the range 75° to 400°C by the equation (R/R 0) — 1 = (2.41±0.04) m where R is the resistance of alpha hydrogen?palladium R 0 is the resistance of hydrogen?free palladium and m is the hydrogen?to?palladium atom ratio.

W. T. Lindsay Jr.; F. W. Pement

1962-01-01T23:59:59.000Z

267

Alternate Alpha Induced Reactions for NIF Radiochemistry  

SciTech Connect

Radiochemical analysis of NIF capsule residues has been identified as a potential diagnostic of NIF capsule performance. In particular, alpha-induced nuclear reactions that occur on tracer elements added to the NIF capsule have been shown through simulation to be a very sensitive diagnostic for mix. The short range of the alpha particles makes them representative of the hot spot where they are created through the fusion of deuterium and tritium. Reactions on elements doped into the innermost part of the capsule ablator would therefore be sensitive to material that had mixed into the hot spot. Radiochemical determinations of activated detector elements may perhaps be the only true measure of mix that occurs in a NIF capsule, particularly in cases when the capsule fails.

Shaughnessy, D A; Moody, K J; Bernstein, L A

2010-02-26T23:59:59.000Z

268

Forest Road Building Regulations | Department of Energy  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

You are here You are here Home » Forest Road Building Regulations Forest Road Building Regulations < Back Eligibility Utility Commercial Agricultural Investor-Owned Utility State/Provincial Govt Industrial Construction Municipal/Public Utility Local Government Residential Installer/Contractor Rural Electric Cooperative Schools Retail Supplier Institutional Fuel Distributor Nonprofit Transportation Savings Category Alternative Fuel Vehicles Hydrogen & Fuel Cells Buying & Making Electricity Water Home Weatherization Solar Wind Program Info Start Date 09/2010 State Wisconsin Program Type Environmental Regulations The Wisconsin Department of Natural Resources has regulations for building a forest road, if development requires one. Regulations include zoning ordinances and permits for stream crossing, grading, stormwater, and

269

Forest Investment Program (FIP) | Open Energy Information  

Open Energy Info (EERE)

Program (FIP) Program (FIP) Jump to: navigation, search Name Forest Investment Program (FIP) Agency/Company /Organization World Bank Sector Land Topics Background analysis, Finance, Implementation, Low emission development planning, Market analysis Website http://www.climatefundsupdate. Program Start 2008 Country Brazil, Burkina Faso, Democratic Republic of Congo, Ghana, Indonesia, Laos, Mexico, Peru South America, Western Africa, Middle Africa, Western Africa, South-Eastern Asia, South-Eastern Asia, Central America, South America References Forest Investment Program (FIP)[1] Forest Investment Program[2] Brazil Specific Documents[3] Democratic Republic of Congo Specific Documents[4] Ghana Specific Documents[5] Indonesia Specific Documents[6] Laos Specific Documents[7]

270

Discriminant forest classification method and system  

DOE Patents (OSTI)

A hybrid machine learning methodology and system for classification that combines classical random forest (RF) methodology with discriminant analysis (DA) techniques to provide enhanced classification capability. A DA technique which uses feature measurements of an object to predict its class membership, such as linear discriminant analysis (LDA) or Andersen-Bahadur linear discriminant technique (AB), is used to split the data at each node in each of its classification trees to train and grow the trees and the forest. When training is finished, a set of n DA-based decision trees of a discriminant forest is produced for use in predicting the classification of new samples of unknown class.

Chen, Barry Y.; Hanley, William G.; Lemmond, Tracy D.; Hiller, Lawrence J.; Knapp, David A.; Mugge, Marshall J.

2012-11-06T23:59:59.000Z

271

Colorado State Forest Service HB09-1199 --Colorado Healthy Forests and Vibrant Communities Act of 2009  

E-Print Network (OSTI)

Colorado State Forest Service HB09-1199 -- Colorado Healthy Forests and Vibrant Communities Act of 2009 Summary The Colorado Healthy Forests and Vibrant Communities Act of 2009 increases efforts to address wildfire risk and provides resources to the Colorado State Forest Service (CSFS) to augment its

272

Forest structure and mortality in an old-growth Jeffrey pine-mixed conifer forest in north-western Mexico  

E-Print Network (OSTI)

Forest structure and mortality in an old-growth Jeffrey pine-mixed conifer forest in north and mortality in Jeffrey pine-mixed conifer forests in the Sierra San Pedro Martir (SSPM), Mexico, was done. Conifer forests in the SSPM have not experienced systematic fire suppression or harvesting making them

Stephens, Scott L.

273

Fuels Treatment for Mixed Conifer Forests Alexander M. Evans The Forest Guild, New Mexico zander@forestguild.org  

E-Print Network (OSTI)

#12;Fuels Treatment for Mixed Conifer Forests Authors Alexander M. Evans ­ The Forest Guild, New.forestguild.org i #12;Fuels Treatment for Mixed Conifer Forests ii Executive Summary The goal of this guide is to provide a resource for managers of mixed conifer forests of the Southwestern plateaus and uplands

Stephens, Scott L.

274

USDA Forest Service Gen. Tech. Rep. PSW-GTR-193. 2004. 115 Forest Stand Structure and Development  

E-Print Network (OSTI)

. It focuses on three forest types that comprise the bulk of the managed land base: mixed conifer, ponderosa disturbances probably holds, in principle, for Sierra Nevada forests as well as other Western coniferUSDA Forest Service Gen. Tech. Rep. PSW-GTR-193. 2004. 115 Forest Stand Structure and Development

Standiford, Richard B.

275

USDA Forest Service Proceedings RMRS-P-18. 2001. 377 1Pike and San Isabel National Forests,  

E-Print Network (OSTI)

USDA Forest Service Proceedings RMRS-P-18. 2001. 377 1Pike and San Isabel National Forests, USDA Forest Service, Pueblo, CO. Aspen Regeneration in South-Central Colorado, San Isabel National Forest Tim regeneration. Following harvest, the Douglas-fir and some Engelmann spruce stands in the Arkansas Hills area

276

Filter Induced Bias in Ly{\\alpha} Emitter Surveys: A Comparison Between Standard and Tunable Filters. Gran Telescopio Canarias Preliminary Results  

E-Print Network (OSTI)

Lyman-alpha emitter (LAE) surveys have successfully used the excess in a narrow-band filter compared to a nearby broad-band image to find candidates. However, the odd spectral energy distribution (SED) of LAEs combined with the instrumental profile have important effects on the properties of the candidate samples extracted from these surveys. We investigate the effect of the bandpass width and the transmission profile of the narrow-band filters used for extracting LAE candidates at redshifts z ~ 6.5 through Monte Carlo simulations, and we present pilot observations to test the performance of tunable filters to find LAEs and other emission-line candidates. We compare the samples obtained using a narrow ideal-rectangular-filter, the Subaru NB921 narrow-band filter, and sweeping across a wavelength range using the ultra-narrow-band tunable filters of the instrument OSIRIS, installed at the 10.4m Gran Telescopio Canarias. We use this instrument for extracting LAE candidates from a small set of real observations. ...

de Diego, J A; Cepa, J; Bongiovanni, A; Verdugo, T; Sánchez-Portal, M; González-Serrano, J I

2013-01-01T23:59:59.000Z

277

$\\alpha$ Centauri A in the far infrared  

E-Print Network (OSTI)

Chromospheres and coronae are common phenomena on solar-type stars. Understanding the energy transfer to these heated atmospheric layers requires direct access to the relevant empirical data. Study of these structures has, by and large, been limited to the Sun thus far. The region of the temperature reversal can be directly observed only in the far infrared and submm. We aim at the determination of the characteristics of the atmosphere in the region of the temperature minimum of the solar sister star alpha Cen A. For the nearby binary system alpha Centauri, stellar parameters are known with high accuracy from measurements. For the basic model parameters Teff, log g and [Fe/H], we interpolate in the grid of GAIA/PHOENIX stellar model atmospheres and compute the corresponding model for the G2 V star alpha Cen A. Comparison with photometric measurements shows excellent agreement between observed photospheric data in the optical and infrared. For longer wavelengths, the modelled spectral energy distribution is co...

Liseau, R; Olofsson, G; Bryden, G; Marshall, J P; Ardila, D; Aran, A Bayo; Danchi, W C; del Burgo, C; Eiroa, C; Ertel, S; Fridlund, M C W; Krivov, A V; Pilbratt, G L; Roberge, A; Thébault, P; Wiegert, J; White, G J

2012-01-01T23:59:59.000Z

278

Alpha Particle Physics Experiments in the Tokamak Fusion Test Reactor  

SciTech Connect

Alpha particle physics experiments were done on the Tokamak Fusion Test Reactor (TFTR) during its deuterium-tritium (DT) run from 1993-1997. These experiments utilized several new alpha particle diagnostics and hundreds of DT discharges to characterize the alpha particle confinement and wave-particle interactions. In general, the results from the alpha particle diagnostics agreed with the classical single-particle confinement model in magnetohydrodynamic (MHD) quiescent discharges. Also, the observed alpha particle interactions with sawteeth, toroidal Alfvén eigenmodes (TAE), and ion cyclotron resonant frequency (ICRF) waves were roughly consistent with theoretical modeling. This paper reviews what was learned and identifies what remains to be understood.

Budny, R.V.; Darrow, D.S.; Medley, S.S.; Nazikian, R.; Zweben, S.J.; et al.

1998-12-14T23:59:59.000Z

279

Evaluating The Effect Of Climate In A Sierran Mixed Conifer Forest  

E-Print Network (OSTI)

simulation in the mixed conifer forests of California. Inin Sierran mixed conifer forests, and may not be appropriatein a Sierran Mixed Conifer forest Aimee Sprague Honor;

Sprague, Aimee

2009-01-01T23:59:59.000Z

280

Has fire suppression increased the amount of carbon stored in western U.S. forests?  

E-Print Network (OSTI)

change in Californian conifer forests of the San Bernardinoin an old-growth mixed conifer forest of the southern Sierradensity in mid- montane conifer forests increased by 34%,

Fellows, Aaron W.; Goulden, Michael L.

2008-01-01T23:59:59.000Z

Note: This page contains sample records for the topic "lyman alpha forest" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


281

Challenges to Sierra Nevada Forests and Their Local Communities: An Observational and Modeling Perspective  

E-Print Network (OSTI)

mortality in a mixed conifer forest in California. Canadianaspen and mixed conifer forests in the Rocky Mountains (al. 2008), subalpine conifer forests in the Sierra Nevada (

Schmidt, Cynthia

2014-01-01T23:59:59.000Z

282

Interannual variability of surface energy exchange depends on stand age in a boreal forest fire chronosequence  

E-Print Network (OSTI)

grasslands, deciduous forests, and conifer for- ests) mayof boreal deciduous and conifer forests, Can. J. For. Res. ,succession evergreen conifer forests (typically $0.2) [Betts

Liu, Heping; Randerson, James T

2008-01-01T23:59:59.000Z

283

Group selection management in conifer forests: relationships between opening size and tree growth  

E-Print Network (OSTI)

2001. The transfor- mation of conifer forests in Britain —diversity in a Sierran conifer forest. For. Ecol. Manage.management in conifer forests: relationships between opening

York, Robert A; Heald, R C; Battles, J J; York, J D

2004-01-01T23:59:59.000Z

284

E-Print Network 3.0 - atlantic rain forest Sample Search Results  

NLE Websites -- All DOE Office Websites (Extended Search)

. 2006. Biased seed rain in forest edges: Evidence from the Brazilian Atlantic forest. Biol. Conserv. 132... forest typical for eastern lowland Borneo (Slik et al. 2009). The...

285

Complex-Energy Shell-Model Description of Alpha Decay  

SciTech Connect

In his pioneering work of alpha decay, Gamow assumed that the alpha particle formed inside the nucleus tunnels through the barrier of the alpha-daughter potential. The corresponding metastable state can be viewed as a complex-energy solution of the time-independent Schroedinger equation with the outgoing boundary condition. The formation of the alpha cluster, missing in the original Gamow formulation, can be described within the R-matrix theory in terms of the formation amplitude. In this work, the alpha decay process is described by computing the formation amplitude and barrier penetrability in a large complex-energy configuration space spanned by the complex-energy eigenstates of the finite Woods-Saxon (WS) potential. The proper normalization of the decay channel is essential as it strongly modifies the alpha-decay spectroscopic factor. The test calculations are carried out for the ^{212}Po alpha decay.

Id Betan, R. [Rosario Physics Institute, Rosario, Argentina] [Rosario Physics Institute, Rosario, Argentina; Nazarewicz, Witold [ORNL] [ORNL

2011-01-01T23:59:59.000Z

286

Extreme alpha-clustering in the 18O nucleus  

E-Print Network (OSTI)

The structure of the 18O nucleus at excitation energies above the alpha decay threshold was studied using 14C+alpha resonance elastic scattering. A number of states with large alpha reduced widths have been observed, indicating that the alpha-cluster degree of freedom plays an important role in this N not equal Z nucleus. However, the alpha-cluster structure of this nucleus is very different from the relatively simple pattern of strong alpha-cluster quasi-rotational bands in the neighboring 16O and 20Ne nuclei. A 0+ state with an alpha reduced width exceeding the single particle limit was identified at an excitation energy of 9.9+/-0.3 MeV. We discuss evidence that states of this kind are common in light nuclei and give possible explanations of this feature.

E. D. Johnson; G. V. Rogachev; V. Z. Goldberg; S. Brown; D. Robson; A. M. Crisp; P. D. Cottle; C. Fu; J. Giles; B. W. Green; K. W. Kemper; K. Lee; B. T. Roeder; R. E. Tribble

2009-06-19T23:59:59.000Z

287

Tropical Forest Foundation | Open Energy Information  

Open Energy Info (EERE)

Tropical Forest Foundation Tropical Forest Foundation Jump to: navigation, search Logo: Tropical Forest Foundation Name Tropical Forest Foundation Address 2121 Eisenhower Ave. Suite 200 Place Alexandria, Virginia Zip 22314 Region Northeast - NY NJ CT PA Area Phone number 703.518.8834 Website http://tropicalforestfoundatio Coordinates 38.8013734°, -77.0668734° Loading map... {"minzoom":false,"mappingservice":"googlemaps3","type":"ROADMAP","zoom":14,"types":["ROADMAP","SATELLITE","HYBRID","TERRAIN"],"geoservice":"google","maxzoom":false,"width":"600px","height":"350px","centre":false,"title":"","label":"","icon":"","visitedicon":"","lines":[],"polygons":[],"circles":[],"rectangles":[],"copycoords":false,"static":false,"wmsoverlay":"","layers":[],"controls":["pan","zoom","type","scale","streetview"],"zoomstyle":"DEFAULT","typestyle":"DEFAULT","autoinfowindows":false,"kml":[],"gkml":[],"fusiontables":[],"resizable":false,"tilt":0,"kmlrezoom":false,"poi":true,"imageoverlays":[],"markercluster":false,"searchmarkers":"","locations":[{"text":"","title":"","link":null,"lat":38.8013734,"lon":-77.0668734,"alt":0,"address":"","icon":"","group":"","inlineLabel":"","visitedicon":""}]}

288

Program on Forests | Open Energy Information  

Open Energy Info (EERE)

Forests Forests Jump to: navigation, search Logo: Program on Forests Name Program on Forests Address 1818 H Street NW Place Washington D.C. Zip 20433 Phone number 1.202.522.1142 Website http://www.profor.info/profor/ Coordinates 38.898957°, -77.04256° Loading map... {"minzoom":false,"mappingservice":"googlemaps3","type":"ROADMAP","zoom":14,"types":["ROADMAP","SATELLITE","HYBRID","TERRAIN"],"geoservice":"google","maxzoom":false,"width":"600px","height":"350px","centre":false,"title":"","label":"","icon":"","visitedicon":"","lines":[],"polygons":[],"circles":[],"rectangles":[],"copycoords":false,"static":false,"wmsoverlay":"","layers":[],"controls":["pan","zoom","type","scale","streetview"],"zoomstyle":"DEFAULT","typestyle":"DEFAULT","autoinfowindows":false,"kml":[],"gkml":[],"fusiontables":[],"resizable":false,"tilt":0,"kmlrezoom":false,"poi":true,"imageoverlays":[],"markercluster":false,"searchmarkers":"","locations":[{"text":"","title":"","link":null,"lat":38.898957,"lon":-77.04256,"alt":0,"address":"","icon":"","group":"","inlineLabel":"","visitedicon":""}]}

289

NPP Tropical Forest: Manaus, Brazil [Amazonas]  

NLE Websites -- All DOE Office Websites (Extended Search)

Manaus, Brazil, 1963-1990 Manaus, Brazil, 1963-1990 Data Citation Cite this data set as follows: Piedade, M. T. F., and W. J. Junk. 2001. NPP Tropical Forest: Manaus, Brazil, 1963-1990. Data set. Available on-line [http://www.daac.ornl.gov] from Oak Ridge National Laboratory Distributed Active Archive Center, Oak Ridge, Tennessee, U.S.A. Description Biomass and components of productivity for several types of tropical forest were determined for a number of study sites around Manaus, Brazil, from 1963 to the present. The study sites include several (0.2 ha) stands of terra firme (dry land) forest at " 64" to the northeast of Manaus, towards Itacoatiara (approximately 3.0 S 59.7 W, near the " Egler" Reserve), riverine forest in the 10 km x 10 km " Reserve" (2.95 S 59.95 W, 26 km

290

NPP Tropical Forest: Luquillo, Puerto Rico  

NLE Websites -- All DOE Office Websites (Extended Search)

Luquillo, Puerto Rico, 1963-1994 Luquillo, Puerto Rico, 1963-1994 Data Citation Cite this data set as follows: Lugo, A. E., F. Scatena, and C. F. Jordan. 1999. NPP Tropical Forest: Luquillo, Puerto Rico, 1963-1994. Data set. Available on-line [http://www.daac.ornl.gov] from Oak Ridge National Laboratory Distributed Active Archive Center, Oak Ridge, Tennessee, U.S.A. Description Productivity of lower montane tropical forest has been determined at various study sites within the Luquillo Experimental Forest from 1963 to the present. The Luquillo Experimental Forest is situated in the Luquillo Mountains of eastern Puerto Rico (18.32 N 65.82 W), about 35 km east-southeast of San Juan, and operates under the auspices of the International Institute of Tropical Forestry, Rio Pedras, Puerto Rico. Its total area is about 11,000

291

Chesapeake Forest Lands (Maryland) | Department of Energy  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Chesapeake Forest Lands (Maryland) Chesapeake Forest Lands (Maryland) Chesapeake Forest Lands (Maryland) < Back Eligibility Agricultural Commercial Construction Developer Fed. Government Fuel Distributor General Public/Consumer Industrial Installer/Contractor Institutional Investor-Owned Utility Local Government Low-Income Residential Multi-Family Residential Municipal/Public Utility Nonprofit Residential Retail Supplier Rural Electric Cooperative Schools State/Provincial Govt Systems Integrator Transportation Tribal Government Utility Savings Category Alternative Fuel Vehicles Hydrogen & Fuel Cells Buying & Making Electricity Water Home Weatherization Solar Wind Program Info Start Date 1999 State Maryland Program Type Siting and Permitting Provider Maryland Department of Natural Resources The Chesapeake Forest Lands are most of the former land holdings of the

292

Robust scheduling in forest operations planning  

E-Print Network (OSTI)

Forest operations planning is a complex decision process which considers multiple objectives on the strategic, tactical and operational horizons. Decisions such as where to harvest and in what order over different time ...

Lim, Lui Cheng

2008-01-01T23:59:59.000Z

293

Coniferous Forests of the Colorado Front Range  

Science Journals Connector (OSTI)

Forests along the Front Range of Colorado are exposed to elevated concentrations of ozone and other pollutants (see Chapter 3) due to emissions from the urbanized corridor stretching from Colorado Springs to D...

D. A. Graybill; D. L. Peterson…

1992-01-01T23:59:59.000Z

294

Scotland's Forest Industries 1. Foreword 01  

E-Print Network (OSTI)

to increase diversity, for example, by planting broadleaved species alongside rivers and burns or by leaving to sustainability, old myths abound. Foresters are frequently asked whether they still sell wood for pit props

295

Producing Pine Straw in East Texas Forests  

E-Print Network (OSTI)

Managing pine forests for the production of pine straw is a promising new enterprise in East Texas. This publication explains the processes and equipment needed to harvest and market pine straw....

Taylor, Eric; Foster, C. Darwin

2004-01-09T23:59:59.000Z

296

Healthy Forests Restoration Act of 2003 | Open Energy Information  

Open Energy Info (EERE)

Healthy Forests Restoration Act of 2003 Healthy Forests Restoration Act of 2003 Jump to: navigation, search Statute Name Healthy Forests Restoration Act of 2003 Year 2003 Url [[File:|160px|link=]] Description References Healthy Forests Restoration Act of 2003 PDF[1] This article is a stub. You can help OpenEI by expanding it. The Healthy Forests Initiative (or HFI), officially the Healthy Forests Restoration Act of 2003 (P.L. 108-148), is a law originally proposed by President George W. Bush in response to the widespread forest fires during the summer of 2002.[1] The main thrusts of the law are to thin overstocked stands, clear away vegetation and trees to create shaded fuel breaks, provide funding and guidance to reduce or eliminate hazardous fuels in National Forests, improve forest fire fighting, and research new methods to

297

Evaluation of yield regulation options for primary forest in Tapajos National Forest, Brazil  

E-Print Network (OSTI)

Evaluation of yield regulation options for primary forest in Tapajo´s National Forest, Brazil PaulJN, Scotland b Instituto do Homem e Meio Ambiente da Amazo^nia (IMAZON), CEP 66060-160 Bele´m, Brazil c Projeto Dendrogene, EMBRAPA, CEP 66095-100 Bele´m, Brazil Received 23 November 2005; received

298

Forest Fuel Reduction Survey Analysis: Forest Administrators Cornelis F. de Hoop  

E-Print Network (OSTI)

Forest Fuel Reduction Survey Analysis: Forest Administrators by Cornelis F. de Hoop Amith Hanumappa to seriously investigate and execute the methods required to carry out a successful fuel reduction project operations wherein fuel reduction is a primary management objective. Literature on this wave of activity

Wu, Qinglin

299

372 USDA Forest Service RMRS-P-53CD. 2008. Fort Valley Experimental Forest Research Projects  

E-Print Network (OSTI)

: Brush scattering experiment, Fort Valley. S27, T22N, R6E, 20 rods west of ranger stable. 14' x 14, R6E, 20 rods west of ranger stable. 14' x 14'. Begun Fall 1908. X-4: Seeding Experiment, Fort Valley372 USDA Forest Service RMRS-P-53CD. 2008. Fort Valley Experimental Forest Research Projects: 1909

300

Forest Research Annual Report and Accounts 2003200466 Monitoring of forest health in Britain  

E-Print Network (OSTI)

tree health problems but provides information of relevance to studies of pollution effects, climate and Boswell, 1987). Forest decline was linked with air pollution by certain scientists and foresters during-Range Transboundary Air Pollution (CLRTAP) in 1979 and, under its auspices, an International Co- operative Programme

Note: This page contains sample records for the topic "lyman alpha forest" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


301

Metsntutkimuslaitos Skogsforskningsinstitutet Finnish Forest Research Institute www.metla.fi Development of the forest  

E-Print Network (OSTI)

and income provider in particular in rural areas socio-economic sustainability use of bio/wood energy Programme challenge to integrate the national and international development work related to forest;22.12.2006 4 Status and Challenges share of forest sector in gross domestic product decreasing, being still

302

Alpha decay from fission isomeric states  

Science Journals Connector (OSTI)

Alpha-decay half-lives from shape isomeric states of some even-even isotopes of U, Pu and Cm nuclei are calculated by using fission theory in the parametrisation of a spheroid intersected with a sphere. The potential barrier was calculated in the framework of the liquid-drop model of Myers and Swiatecki (1967) extended for systems with different charge densities; a phenomenological shell correction was introduced. The WKB computed lifetimes are many orders of magnitude longer than that of the spontaneous fission process, in agreement with experimental results.

D N Poenaru; M Ivascu

1981-01-01T23:59:59.000Z

303

Forests and Climate Change Toolbox | Open Energy Information  

Open Energy Info (EERE)

Forests and Climate Change Toolbox Forests and Climate Change Toolbox Jump to: navigation, search Tool Summary LAUNCH TOOL Name: Forests and Climate Change Toolbox Agency/Company /Organization: Center for International Forestry Research Sector: Land Focus Area: Forestry Topics: Implementation, Policies/deployment programs, Pathways analysis Resource Type: Presentation, Publications Website: www.cifor.cgiar.org/fctoolbox/ Forests and Climate Change Toolbox Screenshot References: CIFOR Toolbox[1] Summary "This Forests and Climate Change Toolbox has been developed to build understanding and technical proficiency on issues of climate change and forests including mitigation, adaptation, carbon accounting and markets, and biofuels." References ↑ "CIFOR Toolbox" Retrieved from

304

A Precise Determination of $\\alpha_s$ from the C-parameter Distribution  

E-Print Network (OSTI)

We present a global fit for $\\alpha_s(m_Z)$, analyzing the available C-parameter data measured at center-of-mass energies between $Q=35$ and $207$ GeV. The experimental data is compared to a N$^3$LL$^\\prime$ + $\\mathcal{O}(\\alpha_s^3)$ + $\\Omega_1$ theoretical prediction (up to the missing 4-loop cusp anomalous dimension), which includes power corrections coming from a field theoretical nonperturbative soft function. The dominant hadronic parameter is its first moment $\\Omega_1$, which is defined in a scheme which eliminates the $\\mathcal{O}(\\Lambda_{\\rm QCD})$ renormalon ambiguity. The resummation region plays a dominant role in the C-parameter spectrum, and in this region a fit for $\\alpha_s(m_Z)$ and $\\Omega_1$ is sufficient. We find $\\alpha_s(m_Z)=0.1123\\pm 0.0015$ and $\\Omega_1=0.421\\pm 0.063\\,{\\rm GeV}$ with $\\chi^2/\\rm{dof}=0.988$ for $404$ bins of data. These results agree with the prediction of universality for $\\Omega_1$ between thrust and C-parameter within 1-$\\sigma$.

Hoang, André H; Mateu, Vicent; Stewart, Iain W

2015-01-01T23:59:59.000Z

305

CRAD, Training - Oak Ridge National Laboratory TRU ALPHA LLWT Project |  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

TRU ALPHA LLWT TRU ALPHA LLWT Project CRAD, Training - Oak Ridge National Laboratory TRU ALPHA LLWT Project November 2003 A section of Appendix C to DOE G 226.1-2 "Federal Line Management Oversight of Department of Energy Nuclear Facilities." Consists of Criteria Review and Approach Documents (CRADs) used for a November 2003 assessment of the Training Program portion of an Operational Readiness Review of the Oak Ridge National Laboratory TRU ALPHA LLWT Project. CRADs provide a recommended approach and the types of information to gather to assess elements of a DOE contractor's programs. CRAD, Training - Oak Ridge National Laboratory TRU ALPHA LLWT Project More Documents & Publications CRAD, Quality Assurance - Oak Ridge National Laboratory TRU ALPHA LLWT Project

306

Poverty and Forests Linkages | Open Energy Information  

Open Energy Info (EERE)

Poverty and Forests Linkages Poverty and Forests Linkages Jump to: navigation, search Tool Summary LAUNCH TOOL Name: Poverty and Forests Linkages Agency/Company /Organization: World Bank Partner: Program on Forests Sector: Land Focus Area: Forestry Topics: Co-benefits assessment, Background analysis Resource Type: Publications, Lessons learned/best practices Website: www.profor.info/profor/Documents/pdf/livelihoods/PovertyForestsLinkage Country: India, Nepal, Papua New Guinea, Guinea, Laos, Tanzania Southern Asia, Southern Asia, Melanesia, Western Africa, South-Eastern Asia, Eastern Africa Coordinates: 28.86°, 81.56° Loading map... {"minzoom":false,"mappingservice":"googlemaps3","type":"ROADMAP","zoom":14,"types":["ROADMAP","SATELLITE","HYBRID","TERRAIN"],"geoservice":"google","maxzoom":false,"width":"600px","height":"350px","centre":false,"title":"","label":"","icon":"","visitedicon":"","lines":[],"polygons":[],"circles":[],"rectangles":[],"copycoords":false,"static":false,"wmsoverlay":"","layers":[],"controls":["pan","zoom","type","scale","streetview"],"zoomstyle":"DEFAULT","typestyle":"DEFAULT","autoinfowindows":false,"kml":[],"gkml":[],"fusiontables":[],"resizable":false,"tilt":0,"kmlrezoom":false,"poi":true,"imageoverlays":[],"markercluster":false,"searchmarkers":"","locations":[{"text":"","title":"","link":null,"lat":28.86,"lon":81.56,"alt":0,"address":"","icon":"","group":"","inlineLabel":"","visitedicon":""}]}

307

Catalyzing Alpha-Channeling by Minority Ion Injection in Mirror...  

NLE Websites -- All DOE Office Websites (Extended Search)

Maintaining fuel ions hotter than electrons would greatly facilitate controlled nuclear fusion. Alpha channeling is a technique that can potentially extract energy from fusion...

308

Alpha-particle optical potential proofs at astrophysically relevant energies  

E-Print Network (OSTI)

$(\\alpha,\\gamma)$ and $(\\alpha$,n) reaction cross sections recently measured close to the reaction thresholds are rather well described by a previously developed regional optical potential. Thus, particular features of the $\\alpha$-particle optical potential at energies below the Coulomb barrier, besides parameters describing $\\alpha$-particle elastic scattering at higher energies are confirmed. Additional limitations of similar statistical model calculations for minor reaction channels are shown to be most likely due to an overlooked process or critical values of statistical model parameters around closed nuclear shells.

M. Avrigeanu; V. Avrigeanu

2008-11-01T23:59:59.000Z

309

Indonesia-US Forest Service Climate Change Technical Cooperation | Open  

Open Energy Info (EERE)

Climate Change Technical Cooperation Climate Change Technical Cooperation Jump to: navigation, search Name Indonesia-US Forest Service Climate Change Technical Cooperation Agency/Company /Organization United States Forest Service Sector Land Focus Area Forestry Topics Background analysis Website http://www.fs.fed.us/global/to Country Indonesia South-Eastern Asia References US Forest Service Climate Change Technical Cooperation[1] "In Indonesia, the US Forest Service has a new partnership with the Indonesian Ministry of Forests aimed at improving forest governance by strengthening ties between field operations and headquarters in order to manage and conserve forests on a landscape-scale. " References ↑ "US Forest Service Climate Change Technical Cooperation" Retrieved from

310

Fire is the Enemy of Field and Forest  

NLE Websites -- All DOE Office Websites (Extended Search)

Fire is the Enemy of Field and Forest Fire is the Enemy of Field and Forest Nature Bulletin No. 10 April 14, 1945 Forest Preserve District of Cook County Clayton F. Smith, President Roberts Mann, Superintendent of Conservation FIRE IS THE ENEMY OF FIELD AND FOREST There have been 112 fires in the forest preserves since January 1, burning over 612 acres, including 150 acres of fine woodland and young forest plantings. There need not have been ONE if people only understood the damage done by forest and grass fires. Every spring and every fall, thousands of acres of prairie and vacant subdivisions are burnt off. Some of these fires jump over into forest preserves. Many fires start inside the preserves, or along their highway borders, from matches, cigarettes or pipe bottle thrown aside by careless people. Some start from picnic fires. A few are kindled by boys who have seen their parents or neighbors do the same thing at home.

311

Rethinking Forest Partnerships and Benefit Sharing | Open Energy  

Open Energy Info (EERE)

Rethinking Forest Partnerships and Benefit Sharing Rethinking Forest Partnerships and Benefit Sharing Jump to: navigation, search Tool Summary LAUNCH TOOL Name: Rethinking Forest Partnerships and Benefit Sharing Agency/Company /Organization: World Bank Partner: Program on Forests Sector: Land Focus Area: Forestry Topics: Implementation, Resource assessment Resource Type: Lessons learned/best practices Website: www.profor.info/profor/sites/profor.info/files/Benefit_Sharing_WEB.pdf Rethinking Forest Partnerships and Benefit Sharing Screenshot References: Rethinking Forest Partnerships and Benefit Sharing[1] "This study uses an evidence-based approach to provide insights into developing and maintaining collaborative arrangements in the forest sector. It aims to inform discussions and approaches to forest partnership and

312

Management of Forests under Nutrient and Water Stress  

Science Journals Connector (OSTI)

Management of forest nutrition through fertilization and other forestry practices has, undoubtedly, helped to increase the productivity of forests. Relatively little attention has been given to the potential f...

E. K. Sadanandan Nambiar

1990-01-01T23:59:59.000Z

313

Management of forests under nutrient and water stress  

Science Journals Connector (OSTI)

Management of forest nutrition through fertilization and other forestry practices has, undoubtedly, helped to increase the productivity of forests. Relatively little attention has been given to the potential f...

E. K. Sadanandan Nambiar

314

Permian Coal Forest offers a glimpse of late Paleozoic ecology  

Science Journals Connector (OSTI)

...Heritage Site based on its historic importance. Although T 0...apply to Pennsylvanian and Permian Coal Forests? In many...Whetstone Horizon in the Radnice Basin, Czech Republic . Rev Palaeobot...2006 ) Two remarkable Permian petrified forests: Correlation...

Arden R. Bashforth; William A. DiMichele

2012-01-01T23:59:59.000Z

315

Evaluating undeveloped urban forest resources using color infrared imagery  

E-Print Network (OSTI)

, thereby putting increased pressure on undeveloped rural areas. With urban development expanding into rural areas (mostly non-industrial private forest land), resource managers need to examine existing forest resources and recommend methods of protection...

Snelgrove, Robert Todd

2002-01-01T23:59:59.000Z

316

Forests and climate change focus of Frontiers in Science lectures  

NLE Websites -- All DOE Office Websites (Extended Search)

Frontiers in Science lectures Forests and climate change focus of Frontiers in Science lectures LANL researcher Nate McDowell will discuss climate change and its effects on forest...

317

Rising global temperatures accelerate drought-induced forest...  

NLE Websites -- All DOE Office Websites (Extended Search)

accelerates drought-induced forest death 3:20 Global warming accelerates drought-induced forest death In a new video produced by Los Alamos, Nathan McDowell, a Los Alamos plant...

318

Biomass carbon sequestration by planted forests in China  

Science Journals Connector (OSTI)

The planted forest area and carbon sequestration have increased significantly in China, because of ... based volume-to-biomass method to estimate the carbon storage by planted forests in China in ... inventories....

Xinliang Xu; Kerang Li

2010-08-01T23:59:59.000Z

319

Liberia-US Forest Service Climate Change Technical Cooperation | Open  

Open Energy Info (EERE)

US Forest Service Climate Change Technical Cooperation US Forest Service Climate Change Technical Cooperation Jump to: navigation, search Name Liberia-US Forest Service Climate Change Technical Cooperation Agency/Company /Organization United States Forest Service Sector Land Focus Area Forestry Topics Background analysis Website http://www.fs.fed.us/global/to Country Liberia Western Africa References US Forest Service Climate Change Technical Cooperation[1] "Liberia contains over 40% of the remaining closed canopy rainforest in West Africa, a sizeable carbon sink. The Forest Service works with the Government of Liberia to reorganize its forest service and forestry sector in the post-conflict era. The US Forest Service helped develop a chain of custody system for tracking timber and a financial management

320

How Communities Manage Forests | Open Energy Information  

Open Energy Info (EERE)

How Communities Manage Forests How Communities Manage Forests Jump to: navigation, search Tool Summary LAUNCH TOOL Name: How Communities Manage Forests Agency/Company /Organization: FORZA Sector: Land Focus Area: Forestry Topics: Background analysis Resource Type: Lessons learned/best practices Website: www.rightsandresources.org/documents/files/doc_1687.pdf Country: Bhutan, Bulgaria, Nepal, Kyrgyzstan, United Kingdom, Slovenia, Switzerland, Vietnam UN Region: Central Asia, South-Eastern Asia, "Western & Eastern Europe" is not in the list of possible values (Eastern Africa, Middle Africa, Northern Africa, Southern Africa, Western Africa, Caribbean, Central America, South America, Northern America, Central Asia, Eastern Asia, Southern Asia, South-Eastern Asia, Western Asia, Eastern Europe, Northern Europe, Southern Europe, Western Europe, Australia and New Zealand, Melanesia, Micronesia, Polynesia, Latin America and the Caribbean) for this property.

Note: This page contains sample records for the topic "lyman alpha forest" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


321

NPP Tropical Forest: Khao Chong, Thailand  

NLE Websites -- All DOE Office Websites (Extended Search)

Khao Chong, Thailand, 1962-1965 Khao Chong, Thailand, 1962-1965 [PHOTOGRAPH] Photograph: Eye-level view of forest interior at Khao Chong (click on the photo to view a series of images from this site) Data Citation Cite this data set as follows: Kira, T. 1998. NPP Tropical Forest: Khao Chong, Thailand, 1962-1965. Data set. Available on-line [http://www.daac.ornl.gov] from Oak Ridge National Laboratory Distributed Active Archive Center, Oak Ridge, Tennessee, U.S.A. Description Productivity of a tropical rain forest was determined at the Khao Chong study site, under the auspices of the Joint Thai-Japanese Biological Expedition to South-East Asia. Biomass increment within a 40 m x 40 m study area for all trees greater than 4.5 cm dbh (diameter at breast height, 130 cm) was monitored between

322

Forest fire near Los Alamos National Laboratory  

NLE Websites -- All DOE Office Websites (Extended Search)

Forest fire near Los Alamos National Laboratory Forest fire near Los Alamos National Laboratory Forest fire near Los Alamos National Laboratory The Las Conchas fire burning in the Jemez Mountains approximately 12 miles southwest of the boundary of LANL has not entered Lab property at this time. June 26, 2011 Los Alamos National Laboratory sits on top of a once-remote mesa in northern New Mexico with the Jemez mountains as a backdrop to research and innovation covering multi-disciplines from bioscience, sustainable energy sources, to plasma physics and new materials. Los Alamos National Laboratory sits on top of a once-remote mesa in northern New Mexico with the Jemez mountains as a backdrop to research and innovation covering multi-disciplines from bioscience, sustainable energy sources, to plasma physics and new materials.

323

Climate VISION: Private Sector Initiatives: Forest Products  

Office of Scientific and Technical Information (OSTI)

Letters of Intent/Agreements Letters of Intent/Agreements American Forest & Paper Association Logo The American Forest & Paper Association (AF&PA) supports the Climate VISION initiative to address climate change through enhanced research in technology and science, incentives, and voluntary efforts from all sectors of the American economy. The members of AF&PA have undertaken a series of programs through which they are collectively committed to meeting the President's intensity reduction goals. These programs include inventorying and reporting on greenhouse gases, actions to enhance sequestration in managed forests and products, development and implementation of improved technologies, efforts to improve energy efficiency, use of cogeneration and increased use of renewable energy, and recycling. AF&PA expects that these programs will

324

NPP Tropical Forest: Marafunga, Papua New Guinea  

NLE Websites -- All DOE Office Websites (Extended Search)

Marafunga, Papua New Guinea, 1970-1971 Marafunga, Papua New Guinea, 1970-1971 [PHOTOGRAPH] Photograph: Profile of tropical forest at Marafunga (click on the photo to view a series of images from this site) Data Citation Cite this data set as follows: Edwards, P. J., and P. J. Grubb. 1999. NPP Tropical Forest: Marafunga, Papua New Guinea, 1970-1971. Data set. Available on-line [http://www.daac.ornl.gov] from Oak Ridge National Laboratory Distributed Active Archive Center, Oak Ridge, Tennessee, U.S.A. Description Biomass and nutrient content of different vegetation components and soil for a lower montane secondary rain forest were determined in 1970-71 at Marafunga in the highlands of Papua New Guinea. The only component of net primary production (NPP) determined at Marafunga was litterfall, although

325

NPP Tropical Forest: Magdalena Valley, Colombia  

NLE Websites -- All DOE Office Websites (Extended Search)

Magdalena Valley, Colombia, 1970-1971 Magdalena Valley, Colombia, 1970-1971 Data Citation Cite this data set as follows: Folster, H. 1999. NPP Tropical Forest: Magdalena Valley, Colombia, 1970-1971. Data set. Available on-line [http://www.daac.ornl.gov] from Oak Ridge National Laboratory Distributed Active Archive Center, Oak Ridge, Tennessee, U.S.A. Description Biomass, litterfall, and nutrient content of above-ground vegetation and soil were determined for a tropical seasonal evergreen forest at Magdalena Valley, Colombia, during an 18-month period in 1970 and 1971. The study was sponsored by the German Research Foundation. Of primary interest were biomass and nutrient dynamics of a forest stand that had developed atop a perched water table on a typical valley terrace. Perched water tables give rise to pseudogley soils with low pH, prolonged

326

REDD+ In Dryland Forests | Open Energy Information  

Open Energy Info (EERE)

Dryland Forests Dryland Forests Jump to: navigation, search Name REDD+ In Dryland Forests: Issues and Prospects for Pro-poor REDD in the Miombo Woodlands of Southern Africa Agency/Company /Organization United Nations Development Programme, United Nations Environment Programme, Food and Agriculture Organization of the United Nations Sector Land Focus Area Forestry Topics Policies/deployment programs, Background analysis Resource Type Publications, Lessons learned/best practices Website http://www.iied.org/pubs/pdfs/ Country Namibia, Zambia, Mozambique UN Region "Sub-Saharan Africa" is not in the list of possible values (Eastern Africa, Middle Africa, Northern Africa, Southern Africa, Western Africa, Caribbean, Central America, South America, Northern America, Central Asia, Eastern Asia, Southern Asia, South-Eastern Asia, Western Asia, Eastern Europe, Northern Europe, Southern Europe, Western Europe, Australia and New Zealand, Melanesia, Micronesia, Polynesia, Latin America and the Caribbean) for this property.

327

Remotely sensed heat anomalies linked with Amazonian forest biomass declines  

E-Print Network (OSTI)

with Amazonian forest biomass declines Michael Toomey, 1 Darof aboveground living biomass (p biomass declines, Geophys. Res.

Toomey, M.; Roberts, D. A.; Still, C.; Goulden, M. L.; McFadden, J. P.

2011-01-01T23:59:59.000Z

328

ECE / FAO Forest Products Annual Market Review, 1998-1999 ____________________________________________ 47 FOREST PRODUCTS IN THE ELECTRONIC MARKET  

E-Print Network (OSTI)

of availability, while actual transactions take place in electronic markets. #12ECE / FAO Forest Products Annual Market Review, 1998-1999 ____________________________________________ 47 CHAPTER 6 FOREST PRODUCTS IN THE ELECTRONIC MARKET PLACE Highlights · The Internet, as a new

329

ECE / FAO Forest Products Annual Market Review, 1998-1999 ____________________________________________ 47 FOREST PRODUCTS IN THE ELECTRONIC MARKET  

E-Print Network (OSTI)

of availability, while actual transactions take place in electronic markets. httpECE / FAO Forest Products Annual Market Review, 1998-1999 ____________________________________________ 47 CHAPTER 6 FOREST PRODUCTS IN THE ELECTRONIC MARKET PLACE Highlights · The Internet, as a new

330

Final Report: July 2007 Study 1: Timber Supply Future of Washington's Forest and Forest Industries Study Page 2  

E-Print Network (OSTI)

Final Report: July 2007 Study 1: Timber Supply Future of Washington's Forest and Forest Industries Ceder, Elaine Oneil, Jim McCarter, Hiroo Imaki, Alicia Sullivan Table of Contents Statement of Intent: ......................................................................................................................16 Westside Management Alternatives and Impacts

331

Third-Party Forest Certification in British Columbia  

E-Print Network (OSTI)

well-managed forests. The province is also a world leader in third-party sustainable forest management the programs differ, most promote sustainable forest management through principles, criteria and objectives consistent with government processes around the world. The BC Market Outreach Network prepared this fact

332

Species and Spacing Effects of Northern Conifers on Forest  

E-Print Network (OSTI)

Species and Spacing Effects of Northern Conifers on Forest Productivity and Soil Chemistry in a 50 with reduced Ca levels in the forest floor. Keywords: conifer plantations, species and spacing trial, forest examines the long-term effects of experimental conifer monocultures on stem volume and soil chemistry

Mallik, Azim U.

333

IBIS Habitat Types Westside Lowlands Conifer-Hardwood Forest  

E-Print Network (OSTI)

Appendix C IBIS Habitat Types Westside Lowlands Conifer-Hardwood Forest Christopher B. Chappell elevations is Montane Mixed Conifer Forest. Along the coastline, it often occurs adjacent to Coastal Dunes and Beaches. In southwestern Oregon, it may border Southwest Oregon Mixed Conifer-Hardwood Forest. The primary

334

Fisher Research and the Kings River Sustainable Forest Ecosystems Project  

E-Print Network (OSTI)

of the Sierra National Forest, Fresno County, California, with fieldwork beginning in 1994 (Verner and Figure 1--The Kings River administrative study area in the Sierra National Forest in central California includesFisher Research and the Kings River Sustainable Forest Ecosystems Project: Current Results

Standiford, Richard B.

335

Marketing a National Forest: The Resource Manager's Dilemma1  

E-Print Network (OSTI)

Marketing a National Forest: The Resource Manager's Dilemma1 Howard A. Clonts Jeffrey R. Hibbert 2 Forest in Alabama were surveyed to develop appropriate marketing strategies. Cluster analysis showed marketing strategies. Forest based recreation is continually gaining participants. Opportunities to pursue

Standiford, Richard B.

336

In this issue: Welcome New Forest Stewards and Tree Farmers  

E-Print Network (OSTI)

In this issue: · Welcome New Forest Stewards and Tree Farmers · New Reporting Rules for Lump Forestry Association Annual Meeting · Landscape Mulches ­ A Potential Fire Problem? · New UF Extension Welcome New Forest Stewards and Tree Farmers For some this may be the first issue of The Florida Forest

Watson, Craig A.

337

Monitoring Forest Damage Methods and Development in Sweden  

E-Print Network (OSTI)

Monitoring Forest Damage Methods and Development in Sweden Sören Wulff Faculty of Forestry. Wulff) #12;Monitoring Forest Damage: Methods and Development in Sweden Abstract The aims of the work this thesis is based upon were to assess past and current methods of monitoring forest damage in Sweden

338

Drivers of reforestation in human-dominated forests  

Science Journals Connector (OSTI)

...Changing formal tenure regimes through policy reforms is not sufficient, unless practices of forest...eds ( 2005 ) The Community Forests of Mexico ( Univ of Texas Press , Austin, TX...leader or entrepreneur, investing time, energy, and perhaps money in trying to work...

Harini Nagendra

2007-01-01T23:59:59.000Z

339

This Quick Guide was produced by the Colorado State Forest  

E-Print Network (OSTI)

This Quick Guide was produced by the Colorado State Forest Service to promote knowledge transfer Change The spruce beetle is a native species in Colorado's spruce forest ecosystem. Endemic populations between such events as insect and disease epidemics and wildfires, giving spruce forests time

Collett Jr., Jeffrey L.

340

COLORADO STATE-WIDE FOREST LEGACY ASSESSMENT OF NEED  

E-Print Network (OSTI)

for property owners. These ten criteria were developed through a survey conducted as part of this AON and for identification of Forest Legacy Areas (FLA's) within the state. Section 1 of this document presents information of which influence Forest Legacy Program implementation. Section 2 presents the Forest Legacy Area (FLA

Note: This page contains sample records for the topic "lyman alpha forest" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


341

Forest Products Market Information Systems in the UNECE region.  

E-Print Network (OSTI)

Forest Products Market Information Systems in the UNECE region. L. Farquharson August 2007 #12;#12;A report into Forest Products Market Information Systems_____________________________ 1 1. EXECUTIVE____________________________________________________15 #12;2 ____________________________ A report into Forest Products Market Information Systems 2 1

342

Participatory Forest Sector Development in Honduras Richard P. Vlosky1  

E-Print Network (OSTI)

to utilize forests in Honduras. The emphasis was on both public and privately owned and managed forests-governmental organizations, academia, government, industry, and local villages/municipalities. The primary objective of the forestry/forest products project was to empower people from many stakeholder groups to better utilize

Wu, Qinglin

343

FOR341 Timber Harvesting and Forest Roads Spring 2009  

E-Print Network (OSTI)

Text: Water Quality BMPs (Best Management Practices) for Montana Forests Other readings as assigned management. Best management practices as they apply to forest operations in Montana and the western US, cost effectiveness, and environmental performance of forest road systems. · Upper Division Writing

Vonessen, Nikolaus

344

Liebhold, A.M., W.L. Macdonald, D.Bergdahl, and V.C. Mastro. 1995. Invasion by Exotic Forest Pests: A Threat to Forest Ecosystems. Forest Science Monographs 30. 49 p.  

E-Print Network (OSTI)

Liebhold, A.M., W.L. Macdonald, D.Bergdahl, and V.C. Mastro. 1995. Invasion by Exotic Forest Pests: A Threat to Forest Ecosystems ANDREW M. LIEBHOLD WILLIAM L. MACDONALD DALE BERGDAHL VICTOR C. MASTRO FOREST

Liebhold, Andrew

345

Jet Production in ep Collisions at Low Q^2 and Determination of $\\alpha_{s}$  

E-Print Network (OSTI)

The production of jets is studied in deep-inelastic e+p scattering at low negative four momentum transfer squared 5alpha_s.

Aaron, FD; Alexa, C; Andreev, V; Antunovic, B; Backovic, S; Baghdasaryan, A; Barrelet, E; Bartel, W; Begzsuren, K; Belousov, A; Bizot, J C; Boudry, V; Bozovic-Jelisavcic, I; Bracinik, J; Brandt, G; Brinkmann, M; Brisson, V; Bruncko, D; Bunyatyan, A; Buschhorn, G; Bystritskaya, L; Campbell, A J; Cantun Avila, K B; Cerny, K; Cerny, V; Chekelian, V; Cholewa, A; Contreras, J G; Coughlan, J A; Cozzika, G; Cvach, J; Dainton, J B; Daum, K; Deak, M; Delcourt, B; Delvax, J; De Wolf, E A; Diaconu, C; Dodonov, V; Dossanov, A; Dubak, A; Eckerlin, G; Efremenko, V; Egli, S; Eliseev, A; Elsen, E; Falkiewicz, A; Favart, L; Fedotov, A; Felst, R; Feltesse, J; Ferencei, J; Fischer, D J; Fleischer, M; Fomenko, A; Gabathuler, E; Gayler, J; Ghazaryan, Samvel; Glazov, A; Glushkov, I; Goerlich, L; Gogitidze, N; Gouzevitch, M; Grab, C; Greenshaw, T; Grell, B R; Grindhammer, G; Habib, S; Haidt, D; Helebrant, C; Henderson, R C W; Hennekemper, E; Henschel, H; Herbst, M; Herrera, G; Hildebrandt, M; Hiller, K H; Hoffmann, D; Horisberger, R; Hreus, T; Jacquet, M; Janssen, X; Jonsson, L; Jung, A W; Jung, H; Kapichine, M; Katzy, J; Kenyon, I R; Kiesling, C; Klein, M; Kleinwort, C; Kluge, T; Knutsson, A; Kogler, R; Kosior, E; Kostka, P; Kraemer, M; Krastev, K; Kretzschmar, J; Kropivnitskaya, A; Kruger, K; Kutak, K; Landon, M P J; Lange, W; Lastovicka-Medin, G; Laycock, P; Lebedev, A; Lendermann, V; Levonian, S; Li, G; Lipka, K; Liptaj, A; List, B; List, J; Loktionova, N; Lopez-Fernandez, R; Lubimov, V; Makankine, A; Malinovski, E; Marage, P; Marti, Ll; Martyn, H U; Maxfield, S J; Mehta, A; Meyer, A B; Meyer, H; Meyer, H; Meyer, J; Mikocki, S; Milcewicz-Mika, I; Moreau, F; Morozov, A; Morris, J V; Mozer, M U; Mudrinic, M; Muller, K; Murin, P; Naumann, Th; Newman, P R; Niebuhr, C; Nikiforov, A; Nikitin, D; Nowak, G; Nowak, K; Olsson, J E; Osman, S; Ozerov, D; Palichik, V; Panagoulias, I; Pandurovic, M; Papadopoulou, Th; Pascaud, C; Patel, G D; Pejchal, O; Perez, E; Petrukhin, A; Picuric, I; Piec, S; Pitzl, D; Placakyte, R; Pokorny, B; Polifka, R; Povh, B; Radescu, V; Rahmat, A J; Raicevic, N; Raspiareza, A; Ravdandorj, T; Reimer, P; Rizvi, E; Robmann, P; Roland, B; Roosen, R; Rostovtsev, A; Rotaru, M; Tabasco, J E Ruiz; Rusakov, S; Salek, D; Sankey, D P C; Sauter, M; Sauvan, E; Schmitt, S; Schoeffel, L; Schoning, A; Schultz-Coulon, H C; Sefkow, F; Shaw-West, R N; Shtarkov, L N; Shushkevich, S; Sloan, T; Smiljanic, Ivan; Soloviev, Y; Sopicki, P; South, D; Spaskov, V; Specka, A; Staykova, Z; Steder, M; Stella, B; Stoicea, G; Straumann, U; Sunar, D; Sykora, T; Tchoulakov, V; Thompson, G; Thompson, P D; Toll, T; Tomasz, F; Tran, T H; Traynor, D; Trinh, T N; Truol, P; Tsakov, I; Tseepeldorj, B; Turnau, J; Urban, K; Valkarova, A; Vallee, C; Van Mechelen, P; Trevino, A Vargas; Vazdik, Y; Vinokurova, S; Volchinski, V; von den Driesch, M; Wegener, D; Wissing, Ch; Wunsch, E; Zacek, J; Zalesak, J; Zhang, Z; Zhokin, A; Zimmermann, T; Zohrabyan, H; Zomer, F

2010-01-01T23:59:59.000Z

346

Escherichia coli produces a cytoplasmic alpha-amylase, AmyA.  

Science Journals Connector (OSTI)

...liquefying alpha-amylases of bacilli...digested amylose, starch, amylopectin, and maltodextrins...specific for the alpha-anomeric...an alpha-amylase rather than...digested amylose, starch, amylopectin, and maltodextrins...specific for the alpha-anomeric...an alpha-amylase rather than...

M Raha; I Kawagishi; V Müller; M Kihara; R M Macnab

1992-10-01T23:59:59.000Z

347

New Advances in Alpha-Beta Searching Jonathan Schaeffer  

E-Print Network (OSTI)

New Advances in Alpha-Beta Searching Jonathan Schaeffer Dept. of Computing Science Alpha-Beta has been the algorithm of choice for game-tree search for over three decades. Its suc- cess the search efficiency. Although state-of- the-art game-playing programs build trees that are close in size

Dumas, Jean-Guillaume

348

27 February 2014 SENT TO LSU AGCENTER/LOUISIANA FOREST PRODUCTS DEVELOPMENT CENTER -FOREST SECTOR / FORESTY PRODUCTS INTEREST GROUP  

E-Print Network (OSTI)

27 February 2014 SENT TO LSU AGCENTER/LOUISIANA FOREST PRODUCTS DEVELOPMENT CENTER - FOREST SECTOR / FORESTY PRODUCTS INTEREST GROUP 1 Smell of forest pine can limit climate change- researchers Matt Mc of atmospheric aerosols on temperatures. Perfumed air These particles form clouds that block sunlight as well

349

e-GTRSRS101Proceedings of the 15th Central Hardwood Forest Conference LAND-USE HISTORY AND RESULTING FOREST  

E-Print Network (OSTI)

AND RESULTING FOREST SUCCESSION IN THE ILLINOIS OZARK HILLS Saskia L. van de Gevel and Charles M. Ruffner1 on forest development in the Ozark Hills of southern Illinois. By incorporating land-use history research719 e-GTR­SRS­101Proceedings of the 15th Central Hardwood Forest Conference LAND-USE HISTORY

350

Running title: electrical resistivity in forest soils1 Title: Monitoring forest soil properties with electrical resistivity3  

E-Print Network (OSTI)

1 Running title: electrical resistivity in forest soils1 2 Title: Monitoring forest soil properties with electrical resistivity3 4 Authors: Yoan Paillet1,* , Nathalie Cassagne2 , Jean-Jacques Brun1 5 6 1 Cemagref in a monitoring purpose. We explored the correlations between electrical resistivity and19 forest soil properties

Paris-Sud XI, Université de

351

Elastic alpha scattering experiments and the alpha-nucleus optical potential at low energies  

E-Print Network (OSTI)

High precision angular distribution data of ($\\alpha$,$\\alpha$) elastic scattering are presented for the nuclei $^{89}$Y, $^{92}$Mo, $^{106,110,116}$Cd, $^{112,124}$Sn, and $^{144}$Sm at energies around the Coulomb barrier. Such data with small experimental uncertainties over the full angular range (20-170 degrees) are the indispensable prerequisite for the extraction of local optical potentials and for the determination of the total reaction cross section $\\sigma_{\\rm{reac}}$. A systematic fitting procedure was applied to the presented experimental scattering data to obtain comprehensive local potential parameter sets which are composed of a real folding potential and an imaginary potential of Woods-Saxon surface type. The obtained potential parameters were used in turn to construct a new systematic $\\alpha$-nucleus potential with very few parameters. Although this new potential cannot reproduce the angular distributions with the same small deviations as the local potential, the new potential is able to predict the total reaction cross sections for all cases under study.

P. Mohr; G. G. Kiss; Zs. Fülöp; D. Galaviz; Gy. Gyürky; E. Somorjai

2012-12-12T23:59:59.000Z

352

CRAD, Radiological Controls - Oak Ridge National Laboratory TRU ALPHA LLWT  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

TRU TRU ALPHA LLWT Project CRAD, Radiological Controls - Oak Ridge National Laboratory TRU ALPHA LLWT Project November 2003 A section of Appendix C to DOE G 226.1-2 "Federal Line Management Oversight of Department of Energy Nuclear Facilities." Consists of Criteria Review and Approach Documents (CRADs) used for a November 2003 assessment of the Radiation Protection Program portion of an Operational Readiness Review of the Oak Ridge National Laboratory TRU ALPHA LLWT Project. CRADs provide a recommended approach and the types of information to gather to assess elements of a DOE contractor's programs. CRAD, Radiological Controls - Oak Ridge National Laboratory TRU ALPHA LLWT Project More Documents & Publications CRAD, Quality Assurance - Oak Ridge National Laboratory TRU ALPHA LLWT

353

CRAD, Quality Assurance - Oak Ridge National Laboratory TRU ALPHA LLWT  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Quality Assurance - Oak Ridge National Laboratory TRU ALPHA Quality Assurance - Oak Ridge National Laboratory TRU ALPHA LLWT Project CRAD, Quality Assurance - Oak Ridge National Laboratory TRU ALPHA LLWT Project November 2003 A section of Appendix C to DOE G 226.1-2 "Federal Line Management Oversight of Department of Energy Nuclear Facilities." Consists of Criteria Review and Approach Documents (CRADs) used for a November 2003 assessment of the Quality Assurance Program portion of an Operational Readiness Review of the Oak Ridge National Laboratory TRU ALPHA LLWT Project. CRADs provide a recommended approach and the types of information to gather to assess elements of a DOE contractor's programs. CRAD, Quality Assurance - Oak Ridge National Laboratory TRU ALPHA LLWT Project More Documents & Publications

354

The alpha-cluster model applied to {sup 96}Ru  

SciTech Connect

The states of {sup 96}Ru are investigated in terms of the a alpha+ core structure. The ground state band of the alpha+{sup 92}Mo system is obtained through a local cluster-core potential which includes a fixed set of parameters employed in other mass regions. The calculated spectrum gives a good general description of the experimental {sup 96}Ru levels. The reduced alpha-widths, B(E2) transition rates and rms intercluster separations are determined for the members of the ground state band. The results show that the model can reproduce the order of magnitude of the experimental B(E2) values without the use of effective charges and indicate that the first members of the ground state band present a stronger alpha-cluster character. Predictions concerning a negative parity band of the alpha+{sup 92}Mo system are also shown.

Souza, M. A.; Miyake, H. [Institute of Physics, Universidade de Sao Paulo, Sao Paulo-SP (Brazil)

2010-05-21T23:59:59.000Z

355

Forest-ecological consequences of fires in light conifer forests of Transbaikalia  

Science Journals Connector (OSTI)

Consideration is given to the results of studies on the postfire dynamics of Transbaikal forests, which are formed under conditions of highly arid climate and extreme pyrological regime. Data are presented on ...

M. D. Yevdokimenko

2011-05-01T23:59:59.000Z

356

A DEEP SEARCH FOR MOLECULAR GAS IN TWO MASSIVE LYMAN BREAK GALAXIES AT z = 3 AND 4: VANISHING CO-EMISSION DUE TO LOW METALLICITY?  

SciTech Connect

We present deep IRAM Plateau de Bure Interferometer observations, searching for CO-emission toward two massive, non-lensed Lyman break galaxies at z = 3.216 and 4.058. With one low significance CO detection (3.5?) and one sensitive upper limit, we find that the CO lines are ?>3-4 times weaker than expected based on the relation between IR and CO luminosities followed by similarly massive galaxies at z = 0-2.5. This is consistent with a scenario in which these galaxies have low metallicity, causing an increased CO-to-H{sub 2} conversion factor, i.e., weaker CO-emission for a given molecular (H{sub 2}) mass. The required metallicities at z > 3 are lower than predicted by the fundamental metallicity relation at these redshifts, consistent with independent evidence. Unless our galaxies are atypical in this respect, detecting molecular gas in normal galaxies at z > 3 may thus remain challenging even with ALMA.

Tan, Q.; Gao, Y. [Purple Mountain Observatory and Key Laboratory for Radio Astronomy, Chinese Academy of Sciences, Nanjing 210008 (China)] [Purple Mountain Observatory and Key Laboratory for Radio Astronomy, Chinese Academy of Sciences, Nanjing 210008 (China); Daddi, E.; Sargent, M.; Béthermin, M.; Bournaud, F.; Elbaz, D.; Pannella, M. [CEA Saclay, DSM/Irfu/Service d'Astrophysique, Orme des Merisiers, F-91191 Gif-sur-Yvette Cedex (France)] [CEA Saclay, DSM/Irfu/Service d'Astrophysique, Orme des Merisiers, F-91191 Gif-sur-Yvette Cedex (France); Magdis, G. [Department of Physics, University of Oxford, Keble Road, Oxford OX1 3RH (United Kingdom)] [Department of Physics, University of Oxford, Keble Road, Oxford OX1 3RH (United Kingdom); Hodge, J.; Walter, F. [Max-Planck Institute for Astronomy, Königstuhl 17, D-69117 Heidelberg (Germany)] [Max-Planck Institute for Astronomy, Königstuhl 17, D-69117 Heidelberg (Germany); Carilli, C.; Owen, F. [National Radio Astronomy Observatory, P.O. Box O, Socorro, NM 87801 (United States)] [National Radio Astronomy Observatory, P.O. Box O, Socorro, NM 87801 (United States); Dannerbauer, H. [Institut für Astronomie, Universität Wien, Türkenschanzstrasse 17, A-1160 Wien (Austria)] [Institut für Astronomie, Universität Wien, Türkenschanzstrasse 17, A-1160 Wien (Austria); Dickinson, M. [National Optical Astronomical Observatory, 950 North Cherry Avenue, Tucson, AZ 85719 (United States)] [National Optical Astronomical Observatory, 950 North Cherry Avenue, Tucson, AZ 85719 (United States); Morrison, G. [Institute for Astronomy, University of Hawaii, Honolulu, HI 96822 (United States)] [Institute for Astronomy, University of Hawaii, Honolulu, HI 96822 (United States); Riechers, D., E-mail: qhtan@pmo.ac.cn [Department of Astronomy, Cornell University, 220 Space Sciences Building, Ithaca, NY 14853 (United States)

2013-10-20T23:59:59.000Z

357

The mystery of spectral breaks: Lyman continuum absorption by photon-photon pair production in the Fermi GeV spectra of bright blazars  

E-Print Network (OSTI)

We reanalyze Fermi/LAT gamma-ray spectra of bright blazars with a higher photon statistics than in previous works and with new Pass 7 data representation. In the spectra of the brightest blazar 3C 454.3 and possibly of 4C +21.35 we detect breaks at 5 GeV (in the rest frame) associated with the photon-photon pair production absorption by He II Lyman continuum (LyC). We also detect confident breaks at 20 GeV associated with hydrogen LyC both in the individual spectra and in the stacked redshift-corrected spectrum of several bright blazars. The detected breaks in the stacked spectra univocally prove that they are associated with atomic ultraviolet emission features of the quasar broad-line region (BLR). The dominance of the absorption by hydrogen Ly complex over He II, rather small detected optical depth, and the break energy consistent with the head-on collisions with LyC photons imply that the gamma-ray emission site is located within the BLR, but most of the BLR emission comes from a flat disk-like structure ...

Stern, Boris E

2014-01-01T23:59:59.000Z

358

The Changing Faces of Forest Recreation  

E-Print Network (OSTI)

The Changing Faces of Forest Recreation Latino Recreation Patterns Pacific recreation has long focused on the needs and habits of White visitors because this traditionally has been, social scientists are studying the needs and recreation patterns of Latino visitors to better under

Standiford, Richard B.

359

Wood Laminated Composite Louisiana Forest Product Lab  

E-Print Network (OSTI)

Wood Laminated Composite Poles Cheng Piao Louisiana Forest Product Lab School of Renewable Natural, in accordance with CSA O15, ANSI 05 and many other international standards #12;Wood Laminated Composite Poles y, v z, w R r x, u #12;Why Wood Composite Poles · Sufficient strength · More cost-effective · Light

360

An Overview of Riparian Forests in California  

E-Print Network (OSTI)

basin is 26,150 square miles. The Sacramento Valley is bounded by the Coast Ranges on the west. It was in the Central with 11 subhabitat types. Of the 29 habitat Valley that riparian forests were most extensive, California 95616. Both editors are stream. The Sacramento Valley extends about 150 also representing

Note: This page contains sample records for the topic "lyman alpha forest" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


361

Colorado Statewide Forest Products Industry Profile  

E-Print Network (OSTI)

,500,000 in Manufactured Wood Products · $ 750,000 in Forest Product Business Expenditures · $ 500,000 in Additional employees) ­ 2 Wyoming Sawmill Closures (> 300 employees) ­ 3 New Pellet Manufacturers ­ 2 New (?) Excelsior Harvest­ 15 million cubic feet (MCF) of Total Timber Harvest · 3/4 for Primary Manufacturing at our

362

Energy from Forest Biomass: Potential Economic Impacts  

E-Print Network (OSTI)

Energy from Forest Biomass: Potential Economic Impacts in Massachusetts Prepared for: Massachusetts Bioenergy Initiative, a multifaceted study of biomass energy potential in Massachusetts. The economic impact study looks specifically at impacts in the 5 western counties of the Commonwealth, where biomass energy

Schweik, Charles M.

363

10/17/2011 Hardwood Bottomland Forests  

E-Print Network (OSTI)

: ­ Drier floodplains ­ Higher nutrient pooling ­ Greater herbaceous biomass ­ Lower water tables ­ Lower occupying broad floodplain areas that flank large river systems ­ 2005 Louisiana conservation of habitats or semipermanent water. Bottomland Hardwood Forest ­ History of Loss South Carolina Drains the Cawcaw Swamp George

Gray, Matthew

364

GIS, SPATIAL STATISTICAL GRAPHICS, AND FOREST HEALTH.  

E-Print Network (OSTI)

1 GIS, SPATIAL STATISTICAL GRAPHICS, AND FOREST HEALTH. James J. Majure, Noel Cressie, Dianne Cook, and Jürgen Symanzik ABSTRACT This paper discusses the use of a geographic information systems (GIS), Arcview, into a geographic information system (GIS), Arcview 2.1 (ESRI 1995), and its use in the statistical analysis of spa

Symanzik, Jürgen

365

BIODIVERSITY AND DEVELOPMENT: EUCALYPTUS & FOREST LAW  

E-Print Network (OSTI)

Other: A. 4% to sawmills B. Wood pellets C. Biomass Integrated Gasification/Gas Turbine (BIG in Brazil. Specializations include: Wood construction, Industrialization and marketing of forest products system Short rotations of 6-7 years Managed for Fiber or Fuel-wood http

Gray, Matthew

366

Bridging mycorrhizal genomics, metagenomics and forest ecology  

E-Print Network (OSTI)

Meetings Bridging mycorrhizal genomics, metagenomics and forest ecology 6th New Phytologist of easily cultured saprotrophic fungi (among the first three published genomes were the models Saccharomyces or biotechnological interest, genomics is now poised to rapidly permeate the fields of fungal ecology and evolution

Pringle, Anne

367

Measuring and modeling the spectrum of fine-root turnover times in three forests using isotopes, minirhizotrons, and the Radix model  

E-Print Network (OSTI)

Forest) is a mixed conifer forest in the central SierraFlorin). Knottåsen is a conifer forest located near thethree different forest types (temperate conifer, temperate

Gaudinski, J.B.

2012-01-01T23:59:59.000Z

368

Forest Biomass Supply for BioForest Biomass Supply for Bio--productionproduction in the Southeastern United Statesin the Southeastern United States  

E-Print Network (OSTI)

Forest Biomass Supply for BioForest Biomass Supply for BioBio--production and biomass utilizationsproduction and biomass utilizations Industrial sector: for heat and steam Utility sector: for electricity Forest biomass: Agricultural biomass: Transportation sector: for biofuels

Gray, Matthew

369

WRI-The Governance of Forests Toolkit | Open Energy Information  

Open Energy Info (EERE)

WRI-The Governance of Forests Toolkit WRI-The Governance of Forests Toolkit Jump to: navigation, search Tool Summary LAUNCH TOOL Name: WRI-The Governance of Forests Toolkit Agency/Company /Organization: World Resources Institute Sector: Land, Climate Focus Area: Forestry Resource Type: Publications Website: pdf.wri.org/working_papers/gfi_tenure_indicators_sep09.pdf Cost: Free WRI-The Governance of Forests Toolkit Screenshot References: WRI-The Governance of Forests Toolkit[1] "The Governance of Forests Initiative (GFI) seeks to bring widely accepted principles of good governance to bear on the challenges of sustaining forests in developing countries. GFI is a collaboration of the World Resources Institute, Imazon (Brazil) and the Instituto Centro de Vida (Brazil). This document presents the GFI Toolkit (Version 1) and outlines a process

370

Forest County Potawatomi Tribe Cuts Emissions, Promotes Green Growth |  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Forest County Potawatomi Tribe Cuts Emissions, Promotes Green Forest County Potawatomi Tribe Cuts Emissions, Promotes Green Growth Forest County Potawatomi Tribe Cuts Emissions, Promotes Green Growth February 23, 2012 - 6:29pm Addthis The Forest County Potawatomi Tribe's solar system is providing heating, cooling, and electricity to the Tribe's administration building in Milwaukee, Wisconsin. Photo from the Forest County Potawatomi Tribe. The Forest County Potawatomi Tribe's solar system is providing heating, cooling, and electricity to the Tribe's administration building in Milwaukee, Wisconsin. Photo from the Forest County Potawatomi Tribe. Project Benefits Produce approximately 35,000 kilowatt-hours of clean electricity annually Reduce carbon dioxide emissions by an estimated 41 tons per year Preserve and increase local jobs for tribal members and others

371

Developing Effective Forest Policy-A Guide | Open Energy Information  

Open Energy Info (EERE)

Developing Effective Forest Policy-A Guide Developing Effective Forest Policy-A Guide Jump to: navigation, search Tool Summary LAUNCH TOOL Name: Developing Effective Forest Policy-A Guide Agency/Company /Organization: Food and Agriculture Organization of the United Nations Sector: Land Focus Area: Forestry Topics: Policies/deployment programs Resource Type: Guide/manual Website: www.fao.org/docrep/013/i1679e/i1679e00.pdf References: Developing Effective Forest Policy[1] Purpose "The purpose of this guide is to outline the concepts associated with forest policy development and the formulation of a formal forest policy statement, based on country experiences in recent decades. While focusing on the development and formulation of national forest policies, the guide can also be applied at subnational and local levels. Similarly, it can

372

Antihydrogen Trapped in the ALPHA Experiment  

ScienceCinema (OSTI)

In 2010 the ALPHA collaboration succeeded in trapping antihydrogen atoms for the first time.[i]  Stored antihydrogen promises to be a unique tool for making high precision measurements of the structure of this first anti-atom. Achieving this milestone presented several substantial experimental challenges and this talk will describe how they were overcome.   The unique design features of the ALPHA apparatus will be explained.[ii]  These allow a high intensity positron source and an antiproton imaging detector similar to the one used in the ATHENA[iii] experiment to be combined with an innovative magnet design of the anti-atom trap. This seeks to minimise the perturbations to trapped charged particles which may cause particle loss and heating[iv].   The diagnostic techniques used to measure the diameter, number, density, and temperatures of both plasmas will be presented as will the methods developed to actively compress and cool of both plasma species to sizes and temperatures [v],[vi], [vii] where trapping attempts with a reasonable chance of success can be tried.   The results of the successful trapping experiments will be outlined as well as some subsequent experiments to improve the trapping rate and storage time. [i] 'Trapped antihydrogen' G.B. Andresen et al., Nature 468, 673 (2010) [ii]'A Magnetic Trap for Antihydrogen Confinement' W. Bertsche et al., Nucl. Instr. Meth. Phys. Res. A566, 746 (2006) [iii] Production and detection of cold antihydrogen atoms M.Amoretti et al., Nature 419, 456 (2002). [iv]' Antihydrogen formation dynamics in a multipolar neutral anti-atom trap' G.B. Andresen et al., Phys. Lett. B 685, 141 (2010) [v]' Evaporative Cooling of Antiprotons to Cryogenic Temperatures',                                   G.B. Andresen et al. Phys. Rev. Lett 105, 013003 (2010) [vi]'Compression of Antiproton Clouds for Antihydrogen Trapping' G. B. Andresen et al. Phys. Rev. Lett 100, 203401 (2008) [vii]  'Autoresonant Excitation of Antiproton Plasmas' G.B. Andresen et al., Phys. Rev. Lett. 106, 025002 (2011) Organizer: Ferdinand Hahn PH/DT Detector Seminar webpage  

None

2011-04-25T23:59:59.000Z

373

E-Print Network 3.0 - alpha gamma sur Sample Search Results  

NLE Websites -- All DOE Office Websites (Extended Search)

Johnson Alpha Delta Pi Summary: Marie Frappier - Rho Gamma Greek Man of the Year Jordan Fischette - Alpha Tau Omega Greek Professor... : Sigma Gamma Rho 3.13 PHC: Alpha Xi...

374

Thalamocortical Mechanisms for the Anteriorization of Alpha Rhythms during Propofol-Induced Unconsciousness  

E-Print Network (OSTI)

As humans are induced into a state of general anesthesia via propofol, the normal alpha rhythm (8–13 Hz) in the occipital cortex disappears and a frontal alpha rhythm emerges. This spatial shift in alpha activity is called ...

Vijayan, Sujith

375

Measurement of microbial alpha-amylases with p-nitrophenyl glycosides as the substrate complex.  

Science Journals Connector (OSTI)

...Starch is acted on by alpha-amylase to yield alpha-amylose plus amylopectin. This enzymatic hydrolysis...on straight-chain amylose than on branched amylopectin. Fur- thermore, the alpha-amylase is not thought to...

R W Trepeta; S C Edberg

1984-01-01T23:59:59.000Z

376

The atmospheric reactivity of. alpha. -methyltetrahydrofuran  

SciTech Connect

Biomass-derived {alpha}-methyltetrahydrofuran (MTHF) has been proposed as an automotive fuel additive. Since MTHF is a volatile organic compound, the environmental impact of evaporation to the atmosphere needs to be considered. The major loss process of MTHF in the atmosphere is expected to occur via reaction with hydroxyl radical; hence we have conducted a study of the kinetics of the reaction OH + MTHF {yields} products using both absolute (flash photolysis resonance fluorescence) and relative rate techniques. The absolute rate experiments were performed over the temperature range 240-400 K at total pressures of 35 Torr (4.7 kPa) argon; the relative rate experiments were conducted at 295 K in 740 Torr (99 kPa) synthetic air. The results from both techniques were in good agreement and yield k{sub 1} = (2.52 {plus minus} 0.74) {times} 10{sup {minus}12} exp-((650 {plus minus} 80)/T) cm{sup 3} molecule{sup {minus}1} s{sup {minus}1}, with k{sub 1} (298 K) = 2.2 {times} 10{sup {minus}11} cm{sup 3} molecule{sup {minus}1}. The implications of these results for the atmospheric chemistry of MTHF are discussed.

Wallington, T.J.; Siegl, W.O. (Ford Motor Company, Dearborn, MI (USA)); Liu, Renzhang; Zhang, Zhengyu; Huie, R.E.; Kurylo, M.J. (National Institute of Standards and Technology, Gaithersburg, MD (USA))

1990-10-01T23:59:59.000Z

377

E-Print Network 3.0 - alpha particle emission Sample Search Results  

NLE Websites -- All DOE Office Websites (Extended Search)

(or, positron-- the anti-particle to the beta-- emission) or alpha particle... Different types of radiation (alpha, beta, gammas, and neutrons) have different ways in which they...

378

E-Print Network 3.0 - alpha -bungarotoxin binding Sample Search...  

NLE Websites -- All DOE Office Websites (Extended Search)

Limited Keywords: binding sites; protein structure; geometry; alpha... CPA, 4CPA, 5CPA, alpha-amylase 6TAA) their ... Source: Engelman, Donald M.- Department of Molecular...

379

Thick-Target Neutron Yield from the 19F(alpha,n) Reaction  

E-Print Network (OSTI)

Thick-target neutron yields from the 19F(alpha,n) reaction are reported for E(alpha) = 3.5 - 10.0 MeV.

E. B. Norman; T. E. Chupp; K. T. Lesko; G. L. Woodruff; P. J. Grant

2014-11-01T23:59:59.000Z

380

E-Print Network 3.0 - alpha particle energy Sample Search Results  

NLE Websites -- All DOE Office Websites (Extended Search)

to mirror machines can benefit this concept by efficiently redirecting alpha particle energy... -transverse wave propagation. As a result, modes suitable for alpha particle...

Note: This page contains sample records for the topic "lyman alpha forest" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


381

E-Print Network 3.0 - alpha particle effects Sample Search Results  

NLE Websites -- All DOE Office Websites (Extended Search)

to mirror machines can benefit this concept by efficiently redirecting alpha particle energy... -transverse wave propagation. As a result, modes suitable for alpha particle...

382

Sensitive Immunoassay of a Biomarker TumorNecrosis Factor-[alpha...  

NLE Websites -- All DOE Office Websites (Extended Search)

Biomarker TumorNecrosis Factor-alpha Based on Poly(guanine)-Functionalized Silica Nanoparticle Sensitive Immunoassay of a Biomarker TumorNecrosis Factor-alpha Based on...

383

Thick-Target Neutron Yield from the 19F(alpha,n) Reaction  

E-Print Network (OSTI)

Thick-target neutron yields from the 19F(alpha,n) reaction are reported for E(alpha) = 3.5 - 10.0 MeV.

Norman, E B; Lesko, K T; Woodruff, G L; Grant, P J

2014-01-01T23:59:59.000Z

384

E-Print Network 3.0 - alpha2-adrenoceptor antagonists studied...  

NLE Websites -- All DOE Office Websites (Extended Search)

Physiology & Behavior (2002) 76... . amic alpha1 and alpha2adrenoceptors and food intake in rats. 39. Dglucose 40. 41... nervous system in the regulation of these ......

385

E-Print Network 3.0 - alpha fetoprotein radioimmunoassay Sample...  

NLE Websites -- All DOE Office Websites (Extended Search)

test Alpha-fetoprotein (AFP), Estriol, h... , Benefits for Alpha-Fetoprotein IV Screening Test, Benefits for Treatment of Genetic Errors of Metabolism Source: Lammers, Peter J. -...

386

E-Print Network 3.0 - alpha reactions Sample Search Results  

NLE Websites -- All DOE Office Websites (Extended Search)

resulting from... radioactive decay of the release an alpha particle from its parent isotope (e.g., alpha decay ... Source: Yucca Mountain Project, US EPA Collection:...

387

Generating long streams of $1/f^alpha$ noise  

E-Print Network (OSTI)

We review existing methods for generating long streams of 1/f^alpha noise ($0generator (white outside some bounds) in order to generate very long streams of noise without an exhaustive computer memory load. For $\\alpha=2$ it is shown why the process is equivalent to a random-walk and can be obtained simply by a first order filtering of white noise. As soon as $\\alphagenerators with $\\alpha>2$. The software is available from http://planck.lal.in2p3.fr/article.php3?id\\_article=8

S. Plaszczynski

2005-10-04T23:59:59.000Z

388

Non-resonant triple alpha reaction rate at low temperature  

SciTech Connect

Our experimental goal is to study the non-resonant triple alpha reaction rate at low temperture (T < 10{sup 8} K). The {sup 13}C(p,d) reaction at 66 MeV has been used to probe the alpha-unbound continuum state in {sup 12}C just below the 2{sup nd} 0{sup +} state at 7.65 MeV. The transition strength to the continuum state is predicted to be sensitive to the non-resonant triple alpha reaction rate. The experiment has been performed at iThemba LABS. We report the present status of the experiment.

Itoh, T.; Tamii, A.; Aoi, N.; Fujita, H.; Hashimoto, T.; Miki, K.; Ogata, K. [Research Center for Nuclear Physics, Osaka University, Ibaraki, Osaka 567-0047 (Japan); Carter, J.; Donaldson, L.; Sideras-Haddad, E. [Schools of Physics, University of Witwatersrand, Johannesburg 2050 (South Africa); Furuno, T.; Kawabata, T. [Departments of Physics, Kyoto University, Sakyo, Kyoto, 606-8502 (Japan); Kamimura, M. [RIKEN Nishina Center, Wako, Saitama, 351-0198 (Japan); Nemulodi, F.; Neveling, R.; Smit, F. D.; Swarts, C. [iThemba Laboratory for Accelerator Based Sciences Somerset, West, 7129 (South Africa)

2014-05-02T23:59:59.000Z

389

Emerging forest regimes and livelihoods in the Tano Offin Forest Reserve, Ghana: Implications for social safeguards  

Science Journals Connector (OSTI)

Abstract Greater attention for law enforcement resulting from new forest governance initiatives may make livelihoods of people living in or near protected areas in the tropics more vulnerable due to restricted access and competing claims. This paper aims to provide a deeper insight into the livelihoods of inhabitants of the Tano Offin Globally Significant Biodiversity Area (GSBA) in Ghana's high forest zone and how these are becoming under greater pressure. It assesses the governance implications of the implementation of the Voluntary Partnership Agreement (VPA) under the Forest Law Enforcement Governance and Trade (FLEGT) Action Plan of the European Union and projects within the framework of Reducing Emissions from Deforestation and Degradation plus (REDD +), with a focus on the need for social safeguards. The study shows that the inhabitants of admitted villages in \\{GSBAs\\} already have few legal livelihood options due to restricted access to the forest, which results in competing claims among resource users and with forest managers. Stronger law enforcement resulting from the FLEGT/VPA to combat illegal logging and the Ghana Forestry Commission's consideration to include \\{GSBAs\\} in its REDD+ programme is likely to further restrict inhabitants' access to forest resources, with the result being increasing competition for scarce resources. Social safeguards therefore need serious consideration when implementing new forest governance regimes. The authors argue that the politics of protected areas need to reconsider the position of the inhabitants by creating space to build a livelihood, paying them for taking care of nature or relocating them beyond the protected area. This might involve hard choices. What eventually is needed is a change towards interactive governance and adaptive co-management.

Mercy Derkyi; Mirjam A.F. Ros-Tonen; Boateng Kyereh; Ton Dietz

2013-01-01T23:59:59.000Z

390

Effects of Extreme Drought and Megafires on Sky Island Conifer Forests of the Peninsular Ranges, Southern California  

E-Print Network (OSTI)

The geography of fire and conifer forests in the easternzonation of chaparral and conifer forests in the peninsularchange in Californian conifer forests of the San Bernardino

Goforth, Brett Russell

2009-01-01T23:59:59.000Z

391

Changes in forest structure and the understory plant community of a dry mixed  

E-Print Network (OSTI)

Changes in forest structure and the understory plant community of a dry mixed conifer forest National Forest #12;Mixed conifer and higher forests make up 8% ofabout 8% of southwestern forests. #12;Limited study of mixed conifer ecology: · San Juan

392

Snag density and composition of snag populations on two National Forests in northern Arizona  

E-Print Network (OSTI)

plots were located in ponderosa pine forest, with the remainder in mixed-conifer forest. Small snags in ponderosa pine and mixed-conifer forest, respectively, met or exceeded current U.S. Forest Service standards and mixed-conifer forest, respectively. This suggests that current standards for snag retention may

393

Forest Ecology and Management 261 (2011) 162168 Contents lists available at ScienceDirect  

E-Print Network (OSTI)

-stressed mixed-conifer and ponderosa pine forests, Arizona, USA Joseph L. Ganey , Scott C. Vojta US Forest to 2002 in mixed-conifer forest and 74% greater in ponderosa pine forest. Extent of mortality was spa) increased by approximately 53 and 65% in mixed-conifer and ponderosa pine forests, respectively, from 2002

394

Methods of Using Alpha Channeling Together with Transformer Recharging |  

NLE Websites -- All DOE Office Websites (Extended Search)

Methods of Using Alpha Channeling Together with Transformer Recharging Methods of Using Alpha Channeling Together with Transformer Recharging A tokamak current can be sustained using rf waves for transformer recharging at low density and high-Z with high efficiency if the resistivity is kept high enough during the radio frequency recharging stage. At the same time, operation in the hot ion mode via alpha channeling increases the effective fusion reactivity. The two separate inventions can be made to work synergistically. Specifically, by operating the tokamak in a low-density recharge phase, the lower hybrid wave penetrates the plasma more effectively. High reactivity is obtained by operation in the hot ion mode through the alpha channeling technique. Then, by using a high temperature relaxation stage, not only is the plasma current sustained

395

City of Alpha, Minnesota (Utility Company) | Open Energy Information  

Open Energy Info (EERE)

Alpha, Minnesota (Utility Company) Alpha, Minnesota (Utility Company) Jump to: navigation, search Name City of Alpha Place Minnesota Utility Id 266 Utility Location Yes Ownership M NERC Location MRO Activity Bundled Services Yes References EIA Form EIA-861 Final Data File for 2010 - File1_a[1] LinkedIn Connections CrunchBase Profile No CrunchBase profile. Create one now! This article is a stub. You can help OpenEI by expanding it. Utility Rate Schedules Grid-background.png Commercial Commercial Residential Residential Average Rates Residential: $0.0758/kWh Commercial: $0.0957/kWh References ↑ "EIA Form EIA-861 Final Data File for 2010 - File1_a" Retrieved from "http://en.openei.org/w/index.php?title=City_of_Alpha,_Minnesota_(Utility_Company)&oldid=409261" Categories:

396

Energetics of [alpha]-helix formation in peptides and proteins  

E-Print Network (OSTI)

This thesis focuses on the energetics of !-helix formation in peptides and proteins. The [alpha]-helix is the most prevalent type of secondary structure found in proteins, and has arguably dominated our thinking about ...

Schubert, Christian Reinhold

2009-01-01T23:59:59.000Z

397

Use of S-. alpha. diagram for representing tokamak equilibrium  

SciTech Connect

A use of the S-{alpha} diagram is proposed as a tool for representing the plasma equilibrium with a qualitative characterization of its stability through pattern recognition. The diagram is an effective tool for visually presenting the relationship between the shear and dimensionless pressure gradient of an equilibrium. In the PBX-M tokamak, an H-mode operating regime with high poloidal {beta} and L-mode regime with high toroidal {beta}, obtained using different profile modification techniques, are found to have distinct S-{alpha} trajectory patterns. Pellet injection into a plasma in the H-mode regime with high toroidal {beta}, obtained using different profile modification techniques, are found to have distinct S-{alpha} trajectory patterns. Pellet injection into a plasma in the H-mode regime results in favorable qualities of both regimes. The {beta} collapse process and ELM event also manifest themselves as characteristic changes in the S-{alpha} pattern.

Takahashi, H.; Chance, M.; Kessel, C.; LeBlanc, B.; Manickam, J.; Okabayashi, M.

1991-05-01T23:59:59.000Z

398

United States Forest Service | Open Energy Information  

Open Energy Info (EERE)

Logo: United States Forest Service Name United States Forest Service Short Name USFS Address 1400 Independence Ave., SW Place Washington, D.C. Zip 20250-1111 Year founded 1905 Website http://www.fs.fed.us/ Coordinates 38.887546°, -77.032038° Loading map... {"minzoom":false,"mappingservice":"googlemaps3","type":"ROADMAP","zoom":14,"types":["ROADMAP","SATELLITE","HYBRID","TERRAIN"],"geoservice":"google","maxzoom":false,"width":"600px","height":"350px","centre":false,"title":"","label":"","icon":"","visitedicon":"","lines":[],"polygons":[],"circles":[],"rectangles":[],"copycoords":false,"static":false,"wmsoverlay":"","layers":[],"controls":["pan","zoom","type","scale","streetview"],"zoomstyle":"DEFAULT","typestyle":"DEFAULT","autoinfowindows":false,"kml":[],"gkml":[],"fusiontables":[],"resizable":false,"tilt":0,"kmlrezoom":false,"poi":true,"imageoverlays":[],"markercluster":false,"searchmarkers":"","locations":[{"text":"","title":"","link":null,"lat":38.887546,"lon":-77.032038,"alt":0,"address":"","icon":"","group":"","inlineLabel":"","visitedicon":""}]}

399

United States Forest Service | Open Energy Information  

Open Energy Info (EERE)

Service Service (Redirected from USFS) Jump to: navigation, search Logo: United States Forest Service Name United States Forest Service Short Name USFS Address 1400 Independence Ave., SW Place Washington, D.C. Zip 20250-1111 Year founded 1905 Website http://www.fs.fed.us/ Coordinates 38.887546°, -77.032038° Loading map... {"minzoom":false,"mappingservice":"googlemaps3","type":"ROADMAP","zoom":14,"types":["ROADMAP","SATELLITE","HYBRID","TERRAIN"],"geoservice":"google","maxzoom":false,"width":"600px","height":"350px","centre":false,"title":"","label":"","icon":"","visitedicon":"","lines":[],"polygons":[],"circles":[],"rectangles":[],"copycoords":false,"static":false,"wmsoverlay":"","layers":[],"controls":["pan","zoom","type","scale","streetview"],"zoomstyle":"DEFAULT","typestyle":"DEFAULT","autoinfowindows":false,"kml":[],"gkml":[],"fusiontables":[],"resizable":false,"tilt":0,"kmlrezoom":false,"poi":true,"imageoverlays":[],"markercluster":false,"searchmarkers":"","locations":[{"text":"","title":"","link":null,"lat":38.887546,"lon":-77.032038,"alt":0,"address":"","icon":"","group":"","inlineLabel":"","visitedicon":""}]}

400

ROVIBRATIONALLY RESOLVED DIRECT PHOTODISSOCIATION THROUGH THE LYMAN AND WERNER TRANSITIONS OF H{sub 2} FOR FUV/X-RAY-IRRADIATED ENVIRONMENTS  

SciTech Connect

Using ab initio potential curves and dipole transition moments, cross-section calculations were performed for the direct continuum photodissociation of H{sub 2} through the B{sup 1}{Sigma}{sup +}{sub u} <- X{sup 1}{Sigma}{sup +}{sub g} (Lyman) and C{sup 1}{Pi}{sub u} <- X{sup 1}{Sigma}{sup +}{sub g} (Werner) transitions. Partial cross-sections were obtained for wavelengths from 100 A to the dissociation threshold between the upper electronic state and each of the 301 bound rovibrational levels v''J'' within the ground electronic state. The resulting cross-sections are incorporated into three representative classes of interstellar gas models: diffuse clouds, photon-dominated regions, and X-ray-dominated regions (XDRs). The models, which used the CLOUDY plasma/molecular spectra simulation code, demonstrate that direct photodissociation is comparable to fluorescent dissociation (or spontaneous radiative dissociation, the Solomon process) as an H{sub 2} destruction mechanism in intense far-ultraviolet or X-ray-irradiated gas. In particular, changes in H{sub 2} rotational column densities are found to be as large as 20% in the XDR model with the inclusion of direct photodissociation. The photodestruction rate from some high-lying rovibrational levels can be enhanced by pumping from H Ly{beta} due to a wavelength coincidence with cross-section resonances resulting from quasi-bound levels of the upper electronic states. Given the relatively large size of the photodissociation data set, a strategy is described to create truncated, but reliable, cross-section data consistent with the wavelength resolving power of typical observations.

Gay, C. D.; Porter, R. L.; Stancil, P. C. [Department of Physics and Astronomy and Center for Simulational Physics, University of Georgia, Athens, GA 30602-2451 (United States); Abel, N. P. [Math, Computers, Geology, and Physics Department, University of Cincinnati, Clermont Campus, Batavia, OH 45103 (United States); Ferland, G. J. [Department of Physics and Astronomy, University of Kentucky, Lexington, KY (United States); Shaw, G. [Centre for Excellence in Basic Sciences, UM-DAE, Vidhyanagari Campus, Mumbai-400098 (India); Van Hoof, P. A. M. [Royal Observatory of Belgium, Ringlaan 3, 1180 Brussels (Belgium); Williams, R. J. R., E-mail: cgay1383@gmail.com, E-mail: ryanlporter@gmail.com, E-mail: stancil@physast.uga.edu, E-mail: npabel2@gmail.com, E-mail: gary@pa.uky.edu, E-mail: gargishaw@gmail.com, E-mail: p.vanhoof@oma.be, E-mail: robin.williams@awe.co.uk [AWE plc, Aldermaston, Reading RG7 4PR (United Kingdom)

2012-02-10T23:59:59.000Z

Note: This page contains sample records for the topic "lyman alpha forest" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


401

The Oxford-Dartmouth Thirty Degree Survey II: Clustering of Bright Lyman Break Galaxies - Strong Luminosity Dependent Bias at z=4  

E-Print Network (OSTI)

We present measurements of the clustering properties of bright ($L>L_{*}$) z$\\sim$4 Lyman Break Galaxies (LBGs) selected from the Oxford-Dartmouth Thirty Degree Survey (ODT). We describe techniques used to select and evaluate our candidates and calculate the angular correlation function which we find best fitted by a power law, $\\omega(\\theta)=A_{w}\\theta^{-\\beta}$ with $A_{w}=15.4$ (with $\\theta$ in arcseconds), using a constrained slope of $\\beta=0.8$. Using a redshift distribution consistent with photometric models, we deproject this correlation function and find a comoving $r_{0}=11.4_{-1.9}^{+1.7}$ h$_{100}^{-1}$ Mpc in a $\\Omega_m=0.3$ flat $\\Lambda$ cosmology for $i_{AB}\\leq24.5$. This corresponds to a linear bias value of $b=8.1_{-2.6}^{+2.0}$ (assuming $\\sigma_{8}=0.9$). These data show a significantly larger $r_{0}$ and $b$ than previous studies at $z\\sim4$. We interpret this as evidence that the brightest LBGs have a larger bias than fainter ones, indicating a strong luminosity dependence for the measured bias of an LBG sample. Comparing this against recent results in the literature at fainter (sub-$L_{*}$) limiting magnitudes, and with simple models describing the relationship between LBGs and dark matter haloes, we discuss the implications on the implied environments and nature of LBGs. It seems that the brightest LBGs (in contrast with the majority sub-$L_{*}$ population), have clustering properties, and host dark matter halo masses, that are consistent with them being progenitors of the most massive galaxies today.

Paul D. Allen; Leonidas A. Moustakas; Gavin Dalton; Emily MacDonald; Chris Blake; Lee Clewley; Catherine Heymans; Gary Wegner

2005-05-02T23:59:59.000Z

402

Forest Health Technology Enterprise Team--Morgantown  

E-Print Network (OSTI)

Guide Forest Service U.S. Department of Agriculture NathaN m. Schiff, SteveN a. valley, JameS r. la noctilio female. #12;NathaN m. Schiff,1 SteveN a. valley,2 JameS r. laBoNte,2 aNd david r. Smith3 1 USDA, West Virginia 26505 September 2006 Guide to the Siricid WoodWaSpS of North america #12;We thank all

403

Quantum Monte Carlo calculations of neutron-alpha scattering  

E-Print Network (OSTI)

We describe a new method to treat low-energy scattering problems in few-nucleon systems, and we apply it to the five-body case of neutron-alpha scattering. The method allows precise calculations of low-lying resonances and their widths. We find that a good three-nucleon interaction is crucial to obtain an accurate description of neutron-alpha scattering.

Kenneth M. Nollett; Steven C. Pieper; R. B. Wiringa; J. Carlson; G. M. Hale

2006-12-09T23:59:59.000Z

404

21cm Forest with the SKA  

E-Print Network (OSTI)

An alternative to both the tomography technique and the power spectrum approach is to search for the 21cm forest, that is the 21cm absorption features against high-z radio loud sources caused by the intervening cold neutral intergalactic medium (IGM) and collapsed structures. Although the existence of high-z radio loud sources has not been confirmed yet, SKA-low would be the instrument of choice to find such sources as they are expected to have spectra steeper than their lower-z counterparts. Since the strongest absorption features arise from small scale structures (few tens of physical kpc, or even lower), the 21cm forest can probe the HI density power spectrum on small scales not amenable to measurements by any other means. Also, it can be a unique probe of the heating process and the thermal history of the early universe, as the signal is strongly dependent on the IGM temperature. Here we show what SKA1-low could do in terms of detecting the 21cm forest in the redshift range z = 7.5-15.

Ciardi, Benedetta; Mack, Katherine J; Xu, Yidong; Bernardi, Gianni

2015-01-01T23:59:59.000Z

405

Characterization of salivary alpha-amylase binding to Streptococcus sanguis  

SciTech Connect

The purpose of this study was to identify the major salivary components which interact with oral bacteria and to determine the mechanism(s) responsible for their binding to the bacterial surface. Strains of Streptococcus sanguis, Streptococcus mitis, Streptococcus mutans, and Actinomyces viscosus were incubated for 2 h in freshly collected human submandibular-sublingual saliva (HSMSL) or parotid saliva (HPS), and bound salivary components were eluted with 2% sodium dodecyl sulfate. By sodium dodecyl sulfate-polyacrylamide gel electrophoresis and Western transfer, alpha-amylase was the prominent salivary component eluted from S. sanguis. Studies with {sup 125}I-labeled HSMSL or {sup 125}I-labeled HPS also demonstrated a component with an electrophoretic mobility identical to that of alpha-amylase which bound to S. sanguis. Purified alpha-amylase from human parotid saliva was radiolabeled and found to bind to strains of S. sanguis genotypes 1 and 3 and S. mitis genotype 2, but not to strains of other species of oral bacteria. Binding of ({sup 125}I)alpha-amylase to streptococci was saturable, calcium independent, and inhibitable by excess unlabeled alpha-amylases from a variety of sources, but not by secretory immunoglobulin A and the proline-rich glycoprotein from HPS. Reduced and alkylated alpha-amylase lost enzymatic and bacterial binding activities. Binding was inhibited by incubation with maltotriose, maltooligosaccharides, limit dextrins, and starch.

Scannapieco, F.A.; Bergey, E.J.; Reddy, M.S.; Levine, M.J. (State Univ. of New York, Buffalo (USA))

1989-09-01T23:59:59.000Z

406

USFS Humboldt-Toiyabe National Forest | Open Energy Information  

Open Energy Info (EERE)

USFS Humboldt-Toiyabe National Forest USFS Humboldt-Toiyabe National Forest Jump to: navigation, search Name USFS Humboldt-Toiyabe National Forest Short Name Humbolt-Toiyabe NF Parent Organization United States Forest Service Address 1200 Franklin Way Place Sparks, NV Zip 89431 Phone number (775) 331-6444 Website http://www.fs.usda.gov/main/ht References Humboldt-Toiyabe NF Website[1] This article is a stub. You can help OpenEI by expanding it. USFS Toiyabe National Forest is an organization based in Sparks, Nevada, Sparks, Nevada. References ↑ "Humboldt-Toiyabe NF Website" Retrieved from "http://en.openei.org/w/index.php?title=USFS_Humboldt-Toiyabe_National_Forest&oldid=640692" Categories: Government Agencies Stubs What links here Related changes Special pages Printable version

407

UNDP/GEF-Cambodia-Sustainable Forest Management | Open Energy Information  

Open Energy Info (EERE)

UNDP/GEF-Cambodia-Sustainable Forest Management UNDP/GEF-Cambodia-Sustainable Forest Management Jump to: navigation, search Logo: UNDP/GEF-Cambodia-Sustainable Forest Management Name UNDP/GEF-Cambodia-Sustainable Forest Management Agency/Company /Organization United Nations Development Programme, Global Environment Facility Sector Land Focus Area Forestry Website http://www.un.org.kh/undp/pres Program Start 2011 Country Cambodia UN Region South-Eastern Asia References UNDP Cambodia: Environment and Energy [1] UNDP/GEF-Cambodia-Sustainable Forest Management Screenshot "UNDP and Global Environment Facility on Monday launched a new project worth over US$3.8 million to help Cambodia preserve its forests to benefit the rural poor as well as to contribute to reducing emission of green house gases into atmosphere.

408

Rising global temperatures accelerate drought-induced forest mortality  

NLE Websites -- All DOE Office Websites (Extended Search)

Drought-induced forest mortality Drought-induced forest mortality Rising global temperatures accelerate drought-induced forest mortality Many southwestern forests in the United States will disappear or be heavily altered by 2050, according to a series of joint LANL-UNM studies. July 10, 2013 Piñon trees show increased susceptibility to drought when also subjected to rising temperatures. Piñon trees show increased susceptibility to drought when also subjected to rising temperatures. Contact Nancy Ambrosiano Communications Office (505) 667-0471 Email "Everybody knows trees die when there's a drought, if there's bark beetles or fire, yet nobody in the world can predict it with much accuracy." Research has dire global implications for forests LOS ALAMOS, N. M., July 10, 2013- Many southwestern forests in the United

409

Rising global temperatures accelerate drought-induced forest mortality  

NLE Websites -- All DOE Office Websites (Extended Search)

Drought-induced forest mortality Drought-induced forest mortality Rising global temperatures accelerate drought-induced forest mortality Many southwestern forests in the United States will disappear or be heavily altered by 2050, according to a series of joint LANL-UNM studies. July 10, 2013 Piñon trees show increased susceptibility to drought when also subjected to rising temperatures. Piñon trees show increased susceptibility to drought when also subjected to rising temperatures. Contact Nancy Ambrosiano Communications Office (505) 667-0471 Email "Everybody knows trees die when there's a drought, if there's bark beetles or fire, yet nobody in the world can predict it with much accuracy." Research has dire global implications for forests LOS ALAMOS, N. M., July 10, 2013- Many southwestern forests in the United

410

Forest City High School Wind Farm | Open Energy Information  

Open Energy Info (EERE)

Farm Farm Jump to: navigation, search Name Forest City High School Wind Farm Facility Forest City High School Sector Wind energy Facility Type Community Wind Facility Status In Service Owner Forest City High School Developer Forest City High School Energy Purchaser Forest City Community School District Location Forest City IA Coordinates 43.266011°, -93.653378° Loading map... {"minzoom":false,"mappingservice":"googlemaps3","type":"ROADMAP","zoom":14,"types":["ROADMAP","SATELLITE","HYBRID","TERRAIN"],"geoservice":"google","maxzoom":false,"width":"600px","height":"350px","centre":false,"title":"","label":"","icon":"","visitedicon":"","lines":[],"polygons":[],"circles":[],"rectangles":[],"copycoords":false,"static":false,"wmsoverlay":"","layers":[],"controls":["pan","zoom","type","scale","streetview"],"zoomstyle":"DEFAULT","typestyle":"DEFAULT","autoinfowindows":false,"kml":[],"gkml":[],"fusiontables":[],"resizable":false,"tilt":0,"kmlrezoom":false,"poi":true,"imageoverlays":[],"markercluster":false,"searchmarkers":"","locations":[{"text":"","title":"","link":null,"lat":43.266011,"lon":-93.653378,"alt":0,"address":"","icon":"","group":"","inlineLabel":"","visitedicon":""}]}

411

Forest County Potawatomi Community Project | Department of Energy  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Forest County Potawatomi Community Project Forest County Potawatomi Community Project Forest County Potawatomi Community Project November 13, 2013 - 10:45am Addthis The Forest County Potawatomi Community, a federally recognized tribe with its reservation in Forest County, Wisconsin, and with trust lands in Milwaukee, Wisconsin, is implementing an integrated renewable energy deployment plan that will provide electricity for the Tribe's government buildings. The U.S. Department of Energy provided $2.6 million in funding for this Community Renewable Energy Deployment (CommRE) project. Biogas Generation Facility The Forest County Potawatomi CommRE project will include installation of a biogas generation plant on Tribe-owned land in Milwaukee County. The digesters associated with the biogas cogeneration plant will utilize a

412

Mexico-Forest Investment Program (FIP) | Open Energy Information  

Open Energy Info (EERE)

Mexico-Forest Investment Program (FIP) Mexico-Forest Investment Program (FIP) Jump to: navigation, search Name Mexico-Forest Investment Program (FIP) Agency/Company /Organization World Bank Sector Land Topics Background analysis, Finance, Implementation, Low emission development planning, Market analysis Website http://www.climatefundsupdate. Program Start 2008 Country Mexico Central America References Forest Investment Program (FIP)[1] Forest Investment Program[2] Brazil Specific Documents[3] Democratic Republic of Congo Specific Documents[4] Ghana Specific Documents[5] Indonesia Specific Documents[6] Laos Specific Documents[7] Mexico Specific Documents[8] Peru Specific Documents[9] Overview "The Forest Investment Program (FIP) is a targeted program of the Strategic Climate Fund (SCF), which is one of two funds within the framework of the

413

Indonesia-Forest Investment Program (FIP) | Open Energy Information  

Open Energy Info (EERE)

Indonesia-Forest Investment Program (FIP) Indonesia-Forest Investment Program (FIP) Jump to: navigation, search Name Indonesia-Forest Investment Program (FIP) Agency/Company /Organization World Bank Sector Land Topics Background analysis, Finance, Implementation, Low emission development planning, Market analysis Website http://www.climatefundsupdate. Program Start 2008 Country Indonesia South-Eastern Asia References Forest Investment Program (FIP)[1] Forest Investment Program[2] Brazil Specific Documents[3] Democratic Republic of Congo Specific Documents[4] Ghana Specific Documents[5] Indonesia Specific Documents[6] Laos Specific Documents[7] Mexico Specific Documents[8] Peru Specific Documents[9] Overview "The Forest Investment Program (FIP) is a targeted program of the Strategic Climate Fund (SCF), which is one of two funds within the framework of the

414

Laos-Forest Investment Program (FIP) | Open Energy Information  

Open Energy Info (EERE)

Laos-Forest Investment Program (FIP) Laos-Forest Investment Program (FIP) Jump to: navigation, search Name Laos-Forest Investment Program (FIP) Agency/Company /Organization World Bank Sector Land Topics Background analysis, Finance, Implementation, Low emission development planning, Market analysis Website http://www.climatefundsupdate. Program Start 2008 Country Laos South-Eastern Asia References Forest Investment Program (FIP)[1] Forest Investment Program[2] Brazil Specific Documents[3] Democratic Republic of Congo Specific Documents[4] Ghana Specific Documents[5] Indonesia Specific Documents[6] Laos Specific Documents[7] Mexico Specific Documents[8] Peru Specific Documents[9] Overview "The Forest Investment Program (FIP) is a targeted program of the Strategic Climate Fund (SCF), which is one of two funds within the framework of the

415

State of the Forest Carbon Markets 2009 | Open Energy Information  

Open Energy Info (EERE)

State of the Forest Carbon Markets 2009 State of the Forest Carbon Markets 2009 Jump to: navigation, search Tool Summary LAUNCH TOOL Name: State of the Forest Carbon Markets 2009 Agency/Company /Organization: Forest Trends Sector: Land Focus Area: Forestry Topics: Market analysis Resource Type: Publications Website: moderncms.ecosystemmarketplace.com/repository/moderncms_documents/SFCM State of the Forest Carbon Markets 2009 Screenshot References: State of the Forest Carbon Markets 2009[1] Overview "This report was created to increase transparency and answer fundamental questions about the supply of forestry-based carbon credits, such as transaction volumes, credit prices, hectares influenced and tenure rights. It outlines the aggregate numbers from our survey of 61 project developers1

416

Brazil-Forest Investment Program (FIP) | Open Energy Information  

Open Energy Info (EERE)

Brazil-Forest Investment Program (FIP) Brazil-Forest Investment Program (FIP) Jump to: navigation, search Name Brazil-Forest Investment Program (FIP) Agency/Company /Organization World Bank Sector Land Topics Background analysis, Finance, Implementation, Low emission development planning, Market analysis Website http://www.climatefundsupdate. Program Start 2008 Country Brazil South America References Forest Investment Program (FIP)[1] Forest Investment Program[2] Brazil Specific Documents[3] Democratic Republic of Congo Specific Documents[4] Ghana Specific Documents[5] Indonesia Specific Documents[6] Laos Specific Documents[7] Mexico Specific Documents[8] Peru Specific Documents[9] Overview "The Forest Investment Program (FIP) is a targeted program of the Strategic Climate Fund (SCF), which is one of two funds within the framework of the

417

Quantitative analysis of forest island pattern in selected Ohio landscapes  

SciTech Connect

The purpose of this study was to quantitatively describe the various aspects of regional distribution patterns of forest islands and relate those patterns to other landscape features. Several maps showing the forest cover of various counties in Ohio were selected as representative examples of forest patterns to be quantified. Ten thousand hectare study areas (landscapes) were delineated on each map. A total of 15 landscapes representing a wide variety of forest island patterns was chosen. Data were converted into a series of continuous variables which contained information pertinent to the sizes, shape, numbers, and spacing of woodlots within a landscape. The continuous variables were used in a factor analysis to describe the variation among landscapes in terms of forest island pattern. The results showed that forest island patterns are related to topography and other environmental features correlated with topography.

Bowen, G.W.; Burgess, R.L.

1981-07-01T23:59:59.000Z

418

Ghana-Forest Investment Program (FIP) | Open Energy Information  

Open Energy Info (EERE)

Ghana-Forest Investment Program (FIP) Ghana-Forest Investment Program (FIP) Jump to: navigation, search Name Ghana-Forest Investment Program (FIP) Agency/Company /Organization World Bank Sector Land Topics Background analysis, Finance, Implementation, Low emission development planning, Market analysis Website http://www.climatefundsupdate. Program Start 2008 Country Ghana Western Africa References Forest Investment Program (FIP)[1] Forest Investment Program[2] Brazil Specific Documents[3] Democratic Republic of Congo Specific Documents[4] Ghana Specific Documents[5] Indonesia Specific Documents[6] Laos Specific Documents[7] Mexico Specific Documents[8] Peru Specific Documents[9] Overview "The Forest Investment Program (FIP) is a targeted program of the Strategic Climate Fund (SCF), which is one of two funds within the framework of the

419

Burkina Faso-Forest Investment Program (FIP) | Open Energy Information  

Open Energy Info (EERE)

Burkina Faso-Forest Investment Program (FIP) Burkina Faso-Forest Investment Program (FIP) Jump to: navigation, search Name Burkina Faso-Forest Investment Program (FIP) Agency/Company /Organization World Bank Sector Land Topics Background analysis, Finance, Implementation, Low emission development planning, Market analysis Website http://www.climatefundsupdate. Program Start 2008 Country Burkina Faso Western Africa References Forest Investment Program (FIP)[1] Forest Investment Program[2] Brazil Specific Documents[3] Democratic Republic of Congo Specific Documents[4] Ghana Specific Documents[5] Indonesia Specific Documents[6] Laos Specific Documents[7] Mexico Specific Documents[8] Peru Specific Documents[9] Overview "The Forest Investment Program (FIP) is a targeted program of the Strategic Climate Fund (SCF), which is one of two funds within the framework of the

420

Peru-Forest Investment Program (FIP) | Open Energy Information  

Open Energy Info (EERE)

Peru-Forest Investment Program (FIP) Peru-Forest Investment Program (FIP) Jump to: navigation, search Name Peru-Forest Investment Program (FIP) Agency/Company /Organization World Bank Sector Land Topics Background analysis, Finance, Implementation, Low emission development planning, Market analysis Website http://www.climatefundsupdate. Program Start 2008 Country Peru South America References Forest Investment Program (FIP)[1] Forest Investment Program[2] Brazil Specific Documents[3] Democratic Republic of Congo Specific Documents[4] Ghana Specific Documents[5] Indonesia Specific Documents[6] Laos Specific Documents[7] Mexico Specific Documents[8] Peru Specific Documents[9] Overview "The Forest Investment Program (FIP) is a targeted program of the Strategic Climate Fund (SCF), which is one of two funds within the framework of the

Note: This page contains sample records for the topic "lyman alpha forest" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


421

Regulating forest practices in Texas: a problem analysis  

E-Print Network (OSTI)

REGULATING FOREST PRACTICES IN TEXAS: A PROBLEM ANALYSIS A Thesis by ALAN DALE DREESEN Submitted to the Graduate College of Texas A&M University in partial fulfillment of the requirement for the degree of MASTER OF SCIENCE August 1977 Ma...]or Subject: Forestry REGULATING FOREST PRACTICES IN TEXAS: A PROBLEM ANALYSIS A Thesis by ALAN DALE DREESEN Approved as to style and content by: (Chair of Committee) ( ead of Depa t nt) (Member) (Member) August 1977 ABSTRACT Regulating Forest...

Dreesen, Alan D

1977-01-01T23:59:59.000Z

422

Soil-site relationships to photodelineated forest types  

E-Print Network (OSTI)

SOIL-SITE RELATIONSHIPS TO PHOTODELINEATED FOREST TYPES A Thesis by DALE ROBERT KING Submitted to the Graduate College of Texas A(M University in partial fulfillment of the requirement for the degree of MASTER OF SCIENCE December 1975 Major... to Photodelineated Forest Types (December 1975) Dale Robert King, B. A. , Catawba College; Directed by: Dr. David M. Moehring The objective of this study was to determine the structural characteristics of selected forest types and investigate the feasibility...

King, Dale Robert

1975-01-01T23:59:59.000Z

423

Norepinephrine infusion with and without alpha-adrenergic blockade by phentolamine increases salivary alpha amylase in healthy men  

Science Journals Connector (OSTI)

AbstractBackground Mental stress reliably induces increases in salivary alpha amylase (sAA), a suggested surrogate marker for sympathetic nervous system (SNS) reactivity. While stress-induced sAA increases correlate with norepinephrine (NE) secretion, a potential mediating role of noradrenergic mechanisms remains unclear. In this study, we investigated for the first time in humans whether a NE-stress-reactivity mimicking NE-infusion with and without alpha-adrenergic blockade by phentolamine would induce changes in sAA. Methods In a single-blind placebo-controlled within-subjects design, 21 healthy men (29–66 years) took part in three different experimental trials varying in terms of substance infusion with a 1-min first infusion followed by a 15-min second infusion: saline-infusion (trial-1), NE-infusion (5 ?g/min) without alpha-adrenergic blockade (trial-2), and with phentolamine-induced non-selective blockade of alpha1- and alpha2-adrenergic receptors (trial-3). Saliva samples were collected immediately before, during, and several times after substance infusion in addition to blood pressure and heart rate readings. Results Experimental trials significantly differed in sAA reactivity to substance-infusion (p = .001) with higher sAA reactivity following NE-infusion with (trial-3; p = .001) and without alpha-adrenergic-blockade (trial-2; p = .004) as compared to placebo-infusion (trial-1); sAA infusion reactivity did not differ between trial-2 and trial-3 (p = .29). Effective phentolamine application was verified by blood pressure and heart rate infusion reactivity. Salivary cortisol was not affected by NE, either with or without alpha-adrenergic-blockade. Conclusions We found that NE-infusion stimulates sAA secretion, regardless of co-administered non-selective alpha-adrenergic blockade by phentolamine, suggesting that the mechanism underlying stress-induced sAA increases may involve NE.

Ulrike Kuebler; Roland von Känel; Nadja Heimgartner; Claudia Zuccarella-Hackl; Guido Stirnimann; Ulrike Ehlert; Petra H. Wirtz

2014-01-01T23:59:59.000Z

424

Protection of Forest Resources (Montana) | Department of Energy  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Protection of Forest Resources (Montana) Protection of Forest Resources (Montana) Protection of Forest Resources (Montana) < Back Eligibility Utility Fed. Government Commercial Agricultural Investor-Owned Utility State/Provincial Govt Industrial Construction Municipal/Public Utility Local Government Residential Installer/Contractor Rural Electric Cooperative Tribal Government Institutional Nonprofit General Public/Consumer Transportation Savings Category Buying & Making Electricity Water Home Weatherization Solar Wind Program Info State Montana Program Type Environmental Regulations Provider Montana Department of Natural Resources and Conservation This statute addresses the conservation and protection of forest resources by encouraging the use of land management best practices pertaining to soil erosion, timber sale planning, associated road construction and

425

Optimal forest management for carbon sequestration and biodiversity maintenance.  

E-Print Network (OSTI)

??Managing planted forests for carbon sequestration and biodiversity maintenance has become increasingly important in times of rapid climate change and the loss of biodiversity worldwide.… (more)

Nghiem, Thi Hong Nhung

2011-01-01T23:59:59.000Z

426

EAST TEXAS FOREST INVENTORY (ETFI) PILOT PROJECT REMOTE SENSING PHASE  

E-Print Network (OSTI)

Resources Institute Arthur Temple College of Forestry Stephen F. Austin State University Nacogdoches, Texas; and (2) proper forest resource assessment is crucial to the economic development and sustainability

Hung, I-Kuai

427

Forest Certification Programs in North and South America  

E-Print Network (OSTI)

Forest Certification Programs in North and South America: Motivation, Process, and Impacts compliance in Latin America discussion and corporate social responsibility Complex objectives

428

Colombia-US Forest Service Program | Open Energy Information  

Open Energy Info (EERE)

Service Sector Land Focus Area Forestry Topics Background analysis Country Colombia South America References US Forest Service Program 1 USFS activities: Protected area...

429

The role of gap phase processes in the biomass dynamics of tropical forests  

Science Journals Connector (OSTI)

...gap phase processes in the biomass dynamics of tropical forests...understood. Above-ground woody biomass in some tropical forest...greenhouse gas emissions from biomass burning, decomposition and soils forest in conversion, shifting cultivation and...

2007-01-01T23:59:59.000Z

430

The Influence of Canadian Forest Fires on Pollutant Concentrations in the United States  

Science Journals Connector (OSTI)

...forest fires (6), that fires, together with stratospheric...intrusions, contribute a major fraction of total oxidized nitrogen...1995, 18 UTC. Forest fire release locations are marked with...18-UTC. Forest fire release locations are marked with...

Gerhard Wotawa; Michael Trainer

2000-04-14T23:59:59.000Z

431

Managing novel forest ecosystems: understanding the past and present to build a resilient future  

E-Print Network (OSTI)

dynamics of a mixed conifer forest landscape in the northernfire effects in a mixed conifer forest. Fire Ecology 5: 116-of a Sequoia mixed conifer forest. Ecology 60: Kitzberger,

Krasnow, Kevin

2012-01-01T23:59:59.000Z

432

Conifer growth and reproduction in urban forest fragments: Predictors of future responses to global change?  

Science Journals Connector (OSTI)

Global change has a large and growing influence on forests, particularly in urban and urbanizing areas. Compared to rural forests, urban forests may experience warmer temperatures, higher CO2...levels, and greate...

Anna M. O’Brien; Ailene K. Ettinger; Janneke HilleRisLambers

2012-12-01T23:59:59.000Z

433

Automated approaches for extracting individual tree level forest information using high spatial resolution remotely sensed data  

E-Print Network (OSTI)

in an old-growth conifer forest. Food webs at the landscapelidar terrain model under a conifer forest canopy. Canadianconducted in a mixed-conifer forest at Angelo Coast Range

Lee, Jun Hak

2010-01-01T23:59:59.000Z

434

Investigating the Accumulation of Polychlorinated Biphenyls in a Mixed Conifer Forest, Santa Catalina Mountains, Tucson, AZ  

E-Print Network (OSTI)

Investigating the Accumulation of Polychlorinated Biphenyls in a Mixed Conifer Forest, Santa forested locations, where the compounds presumably derive from atmospheric deposition [Moeckel et al, 2009]. Forest biomass and organic soil horizons present lipophilic interfaces for partitioning of PCBs from

Fay, Noah

435

Topographic Variation in Structure of Mixed-Conifer Forests Under an Active-Fire Regime  

Science Journals Connector (OSTI)

Management efforts to promote forest resiliency as climate changes have often used historical forest structure and composition to provide general guidance for fuels reduction and forest restoration treatments. Ho...

Jamie Lydersen; Malcolm North

2012-11-01T23:59:59.000Z

436

Autotrophic ammonia-oxidizing bacteria contribute minimally to nitrification in a nitrogen-impacted forested ecosystem  

E-Print Network (OSTI)

Soil-moisture use by mixed conifer forest in a summer-drynitri?cation in a conifer forest soil as measured by 15 Nautotrophic AOB in mixed-conifer forest soils in the San

Jordan, F L; Cantera, JJL; Fenn, M E; Stein, L Y

2005-01-01T23:59:59.000Z

437

Alteration of belowground carbon dynamics by nitrogen addition in southern California mixed conifer forests  

E-Print Network (OSTI)

Soil moisture use by mixed conifer forest in a summer- dryand nitrification in a mixed-conifer forest southern Cali-in California mixed conifer forests, Environ. Pollut. , 155,

Nowinski, Nicole S; Trumbore, Susan E; Jimenez, Gloria; Fenn, Mark E

2009-01-01T23:59:59.000Z

438

MagLab - Pioneers in Electricity and Magnetism: Lee De Forest  

NLE Websites -- All DOE Office Websites (Extended Search)

Lee De Forest (1873-1961) Lee De Forest American inventor Lee De Forest was a pioneer of radio and motion pictures. He received more than 300 patents over the course of his...

439

-Fire disturbance and forest structure in old-growth mixed conifer forests -879 Journal of Vegetation Science 18: 879-890, 2007  

E-Print Network (OSTI)

- Fire disturbance and forest structure in old-growth mixed conifer forests - 879 Journal how fire regimes influence stand structure and dynamics in old-growth mixed conifer forests across a range of environmental settings. Location: A 2000-ha area of mixed conifer forest on the west shore

Taylor, Alan

440

Purification and characterization of the extracellular alpha-amylase from Streptococcus bovis JB1.  

Science Journals Connector (OSTI)

...alpha-amylase. alpha-Amylase activity on...active on amylopectin as on amylose. The major...extracellular alpha-amylase from Streptococcus...active on amylopectin as on amylose. The major...2.1.1 alpha-Amylases | Amino Acid...

S N Freer

1993-05-01T23:59:59.000Z

Note: This page contains sample records for the topic "lyman alpha forest" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


441

Jet Production in ep Collisions at High $Q^2$ and Determination of $\\alpha_s$  

E-Print Network (OSTI)

The production of jets is studied in deep-inelastic ep scattering at large negative four momentum transfer squared 150alpha_s(M_Z) = 0.1168 +/-0.0007 (exp.) +0.0046/-0.0030 (th.) +/-0.0016(pdf).

Aaron, FD; Alimujiang, K; Andreev, V; Antunovic, B; Asmone, A; Backovic, S; Baghdasaryan, A; Barrelet, E; Bartel, W; Begzsuren, K; Belousov, A; Bizot, J C; Boudry, V; Bozovic-Jelisavcic, I; Bracinik, J; Brandt, G; Brinkmann, M; Brisson, V; Bruncko, D; Bunyatyan, A; Buschhorn, G; Bystritskaya, L; Campbell, A J; Cantun Avila, K B; Cassol-Brunner, F; Cerny, K; Cerny, V; Chekelian, V; Cholewa, A; Contreras, J G; Coughlan, J A; Cozzika, G; Cvach, J; Dainton, J B; Daum, K; Deak, M; de Boer, Y; Delcourt, B; Del Degan, M; Delvax, J; De Roeck, A; De Wolf, E A; Diaconu, C; Dodonov, V; Dossanov, A; Dubak, A; Eckerlin, G; Efremenko, V; Egli, S; Eliseev, A; Elsen, E; Falkiewicz, A; Faulkner, P J W; Favart, L; Fedotov, A; Felst, R; Feltesse, J; Ferencei, J; Fischer, D -J; Fleischer, M; Fomenko, A; Gabathuler, E; Gayler, J; Ghazaryan, Samvel; Glazov, A; Glushkov, I; Goerlich, L; Gogitidze, N; Gouzevitch, M; Grab, C; Greenshaw, T; Grell, B R; Grindhammer, G; Habib, S; Haidt, D; Helebrant, C; Henderson, R C W; Hennekemper, E; Henschel, H; Herbst, M; Herrera, G; Hildebrandt, M; Hiller, K H; Hoffmann, D; Horisberger, R; Hreus, T; Jacquet, M; Janssen, M E; Janssen, X; Jemanov, V; Jonsson, L; Jung, Andreas Werner; Jung, H; Kapichine, M; Katzy, J; Kenyon, I R; Kiesling, C; Klein, M; Kleinwort, C; Kluge, T; Knutsson, A; Kogler, R; Korbel, V; Kostka, P; Kraemer, M; Krastev, K; Kretzschmar, J; Kropivnitskaya, A; Kruger, K; Kutak, K; Landon, M P J; Lange, W; Lastovicka-Medin, G; Laycock, P; Lebedev, A; Leibenguth, G; Lendermann, V; Levonian, S; Li, G; Lipka, K; Liptaj, A; List, B; List, J; Loktionova, N; Lopez-Fernandez, R; Lubimov, V; Lytkin, L; Makankine, A; Malinovski, E; Marage, P; Marti, Ll; Martyn, H -U; Maxfield, S J; Mehta, A; Meyer, A B; Meyer, H; Meyer, H; Meyer, J; Michels, V; Mikocki, S; Milcewicz-Mika, I; Moreau, F; Morozov, A; Morris, J V; Mozer, Matthias Ulrich; Mudrinic, M; Muller, K; Murin, P; Naroska, B; Naumann, Th; Newman, P R; Niebuhr, C; Nikiforov, A; Nowak, G; Nowak, K; Nozicka, M; Olivier, B; Olsson, J E; Osman, S; Ozerov, D; Palichik, V; Panagoulias, I; Pandurovic, M; Papadopoulou, Th; Pascaud, C; Patel, G D; Pejchal, O; Perez, E; Petrukhin, A; Picuric, I; Piec, S; Pitzl, D; Placakyte, R; Pokorny, B; Polifka, R; Povh, B; Preda, T; Radescu, V; Rahmat, A J; Raicevic, N; Raspiareza, A; Ravdandorj, T; Reimer, P; Rizvi, E; Robmann, P; Roland, B; Roosen, R; Rostovtsev, A; Rotaru, M; Ruiz Tabasco, J E; Rurikova, Z; Rusakov, S; Salek, D; Sankey, D P C; Sauter, M; Sauvan, E; Schmitt, S; Schmitz, C; Schoeffel, L; Schoning, A; Schultz-Coulon, H -C; Sefkow, F; Shaw-West, R N; Sheviakov, I; Shtarkov, L N; Shushkevich, S; Sloan, T; Smiljanic, Ivan; Soloviev, Y; Sopicki, P; South, D; Spaskov, V; Specka, Arnd E; Staykova, Z; Steder, M; Stella, B; Stoicea, G; Straumann, U; Sunar, D; Sykora, T; Tchoulakov, V; Thompson, G; Thompson, P D; Toll, T; Tomasz, F; Tran, T H; Traynor, D; Trinh, T N; Truol, P; Tsakov, I; Tseepeldorj, B; Turnau, J; Urban, K; Valkarova, A; Vallee, C; Van Mechelen, P; Vargas Trevino, A; Vazdik, Y; Vinokurova, S; Volchinski, V; von den Driesch, M; Wegener, D; Wissing, Ch; Wunsch, E; Zacek, J; Zalesak, J; Zhang, Z; Zhokin, A; Zimmermann, T; Zohrabyan, H; Zomer, F; Zus, R

2010-01-01T23:59:59.000Z

442

Stand-Level Gas-Exchange Responses to Seasonal Drought in Very Young Versus Old Douglas-fir Forests of the Pacific Northwest, USA  

SciTech Connect

This study examines how stand age affects ecosystem mass and energy exchange response to seasonal drought in three adjacent Douglas-fir (Pseudotsuga menziesii (Mirb.) Franco) forests. The sites include two early seral stands (ES) (0-15 years old) and an old-growth (OG) ({approx} 450-500) forest in the Wind River Experiment Forest, Washington, USA. We use eddy covariance flux measurements of carbon dioxide (F{sub NEE}), latent energy ({lambda}E) and sensible heat (H) to derive evapotranspiration rate (E{sub T}), bowen ratio ({beta}), water use efficiency (WUE), canopy conductance (G{sub c}), the Priestley-Taylor coefficient ({alpha}) and a canopy decoupling factor ({Omega}). The canopy and bulk parameters are examined to see how ecophysiological responses to water stress, including changes in available soil water ({theta}{sub r}) and vapor pressure deficit ({delta}e) differ among the two forest successional-stages. Despite very different rainfall patterns in 2006 and 2007, we observed distinct successional-stage relationships between E{sub T}, {alpha}, and G{sub c} to {delta}e and {theta}{sub r} during both years. The largest stand differences were (1) higher morning G{sub c} (> 10 mm s{sup -1}) at the OG forest coinciding with higher CO{sub 2} uptake (F{sub NEE} = -9 to -6 {micro}mol m{sup -2} s{sup -1}) but a strong negative response in G{sub c} to moderate {delta}e later in the day and a subsequent reduction in E{sub T}, and (2) higher E{sub T} at the ES stands because midday canopy conductance did not decrease until very low water availability levels (<30%) were reached at the end of the summer. Our results suggest that early seral stands are more likely than mature forests to experience declines in production if the summer drought becomes longer or intensifies because water conserving ecophysiological responses were only observed at the very end of the seasonal drought period in the youngest stands.

Wharton, S; Schroeder, M; Bible, K; Falk, M; Paw U, K T

2009-02-23T23:59:59.000Z

443

Public Support for Oil and Gas Drilling in California's Forests and Parks  

E-Print Network (OSTI)

Abstract: Offshore oil drilling has been controversial inCalifornia for decades. Oil drilling in national forests hasopinion regarding oil drilling in California's forests. We

Smith, Eric R.A.N.; Carlisle, Juliet; Michaud, Kristy

2004-01-01T23:59:59.000Z

444

E-Print Network 3.0 - adjacent coniferous forest Sample Search...  

NLE Websites -- All DOE Office Websites (Extended Search)

an intensive study of patterns of forest stands had been completed for the adjacent Camas... , related to Targhee National Forest bound- aries, drainage basin topography,...

445

E-Print Network 3.0 - acid forest lakes Sample Search Results  

NLE Websites -- All DOE Office Websites (Extended Search)

to a forested... . 17210 Below Lake Albion the catchment is dominated by a 173mixed conifer forest composed primarily... for the fulvic acid content of DOC was smaller,...

446

E-Print Network 3.0 - afrotropical forest bird Sample Search...  

NLE Websites -- All DOE Office Websites (Extended Search)

Forest bird community... . 2000. Nesting success of understory forest birds in central Panama. Journal of Avian Biology 31... . 1992. Nest predation and differential insular...

447

E-Print Network 3.0 - afrotemperate forest invertebrate Sample...  

NLE Websites -- All DOE Office Websites (Extended Search)

; function of ecological boundaries across systems and scales Charles D. Canham, Ph.D. Forest Ecologist... Neighborhood dynamics of forest ecosystems; linkages between...

448

E-Print Network 3.0 - atlantic forest landscape Sample Search...  

NLE Websites -- All DOE Office Websites (Extended Search)

landscape Search Powered by Explorit Topic List Advanced Search Sample search results for: atlantic forest landscape Page: << < 1 2 3 4 5 > >> 1 Movement behaviours of a forest...

449

Variation in physiological responses of forest trees to disturbance: implications for future forest carbon and management  

E-Print Network (OSTI)

in the frequency of disturbances such as drought in the Midwestern U.S. The oak ecosystems of eastern Kansas and the mixed oak-hickory forests of northwest Arkansas have experienced high levels of climatic variability in the past 5 decades, which have influenced...

Reed, Alexis S.

2012-05-31T23:59:59.000Z

450

Steeper declines in forest photosynthesis than respiration explain age-driven decreases in forest growth  

Science Journals Connector (OSTI)

...lodgepole pine (Pinus contorta ssp. latifolia) stands in Colorado did not increase with forest age (11), and that the observed decrease...production and net ecosystem production of a boreal black spruce wildfire chronosequence. Glob Change Biol 10(4): 473 ZZQQhy487...

Jianwu Tang; Sebastiaan Luyssaert; Andrew D. Richardson; Werner Kutsch; Ivan A. Janssens

2014-01-01T23:59:59.000Z

451

3alpha clustering in the excited states of 16C  

E-Print Network (OSTI)

The alpha cluster states of 16C are investigated by using the antisymmetrized molecular dynamics. It is shown that two different types of alpha cluster states exist: triangular and linear-chain states. The former has an approximate isosceles triangular configuration of alpha particles surrounded by four valence neutrons occupying sd-shell, while the latter has the linearly aligned alpha particles with two sd-shell neutrons and two pf-shell neutrons. It is found that the structure of the linear-chain state is qualitatively understood in terms of the 3/2 pi- and 1/2 sigma- molecular orbit as predicted by molecular-orbital model, but there exists non-negligible Be+alpha+2n correlation. The band-head energies of the triangular and linear-chain rotational bands are 8.0 and 15.5 MeV, and the latter is close to the He+Be threshold energy. It is also shown that the linear-chain state becomes the yrast sstate at J=10 with excitation energy 27.8 MeV owing to its very large moment-of-inertia comparable with hyperdeformation.

T. Baba; Y. Chiba; M. Kimura

2014-10-03T23:59:59.000Z

452

Evalua&ng Forest Biomaterials with Environmental Life Cycle Assessment  

E-Print Network (OSTI)

cellulosic ethanol and pyrolysis bio-oil C Accoun1ng: Model GHG emissions for use by Michigan Society of American Foresters October 3-4, 2013, Traverse City, MI David · The importance of forests in global carbon and greenhouse emissions · Case Study

453

What can I do with a degree in Forest Engineering?  

E-Print Network (OSTI)

, with a focus on balancing economic, societal and environmental requirements. Forest engineers work application of engineering technology and science · Balancing ecological and environmental needs with economicWhat can I do with a degree in Forest Engineering? ENGINEERING Planning your career Choosing

Hickman, Mark

454

Recreation Values of Forests and Parks [and Discussion  

Science Journals Connector (OSTI)

10 July 1975 research-article Recreation Values of Forests and Parks [and Discussion...increase the need for multiple land use. Recreation in forested areas is therefore an important...some examples from the Netherlands. Recreation planning is surveyed in three successive...

1975-01-01T23:59:59.000Z

455

Error propagation and scaling for tropical forest biomass estimates  

Science Journals Connector (OSTI)

...propagation and scaling for tropical forest biomass estimates Jerome Chave 1 * Richard Condit...34002-0948, USA The above-ground biomass (AGB) of tropical forests is a crucial...inferences about long-term changes in biomass stocks, it is essential to know the uncertainty...

2004-01-01T23:59:59.000Z

456

FOREST VALUES IN NORTHERN ONTARIO: PUBLIC TRADEOFFS AND SUSTAINABILITY  

E-Print Network (OSTI)

FOREST VALUES IN NORTHERN ONTARIO: PUBLIC TRADEOFFS AND SUSTAINABILITY by Jeff Moore H Management PROJECT TITLE: Forest Values in Northern Ontario: Public Tradeoffs and Sustainability REPORT NO: August 2, 2002 #12;iii ABSTRACT Ecosystem management, which is premised on the goal of sustainability

457

BIOTECHNOLOGY: WORKING WITH NATURE TO IMPROVE FOREST RESOURCES AND PRODUCTS  

E-Print Network (OSTI)

BIOTECHNOLOGY: WORKING WITH NATURE TO IMPROVE FOREST RESOURCES AND PRODUCTS Marguerite Sykes of biotechnology in the forest products industry is expanding beyond the pulp and paper industry. Applications. This paper provides an overview of recent publications in these new areas of biotechnology. INTRODUCTION

Abubakr, Said

458

An Overview of the Louisiana Forest Products Development Center &  

E-Print Network (OSTI)

An Overview of the Louisiana Forest Products Development Center & The Forest Products Industry in development of processing industries. to better address the needs of Louisiana, the scope of the Center Environmental Assessment and Improvement Business and Economic Development Industrial Process Improvement New

459

Climate Change Threatens Coexistence within Communities of Mediterranean Forested Wetlands  

E-Print Network (OSTI)

Climate Change Threatens Coexistence within Communities of Mediterranean Forested Wetlands Arianna on Agriculture, Forest, and Natural Ecosystems, Euromediterranean Center for Climate Change, Viterbo, Italy, 3 The Mediterranean region is one of the hot spots of climate change. This study aims at understanding what

Paparella, Francesco

460

Original article Aboveground biomass in a beech forest  

E-Print Network (OSTI)

Original article Aboveground biomass in a beech forest and a Scots pine plantation in the Sierra de) Summary - The aboveground biomass of a mature beech forest (Fagus sylvatica L) and of a Scots pine (Pinus in the different fractions were also analyzed. The results indicate a total biomass of 152.1mg ha-1in the pine

Paris-Sud XI, Université de

Note: This page contains sample records for the topic "lyman alpha forest" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


461

Levels and Sources of Forest Fire Prevention Knowledge  

E-Print Network (OSTI)

Levels and Sources of Forest Fire Prevention Knowledge of California Hunters William S. Folkman U-managerial occupations. Their level of knowl- edge about forest fire prevention is generally high, but their knowledge prevention is generally high, but their knowledge is weak in some pertinent areas. Most frequently reported

Standiford, Richard B.

462

Is Forestry Right Do you care about forests, wildlife,  

E-Print Network (OSTI)

Is Forestry Right For You? · Do you care about forests, wildlife, water, wilderness, treaty rights, public involvement in forest policy, or international trade issues? Contact Information · Silviculture · Consulting Company · Urban Forestry · Tourism · GIS · Computer Modeling · Professional Biologist

Northern British Columbia, University of

463

IS FORESTRY RIGHT FOR Do you care about forests,  

E-Print Network (OSTI)

IS FORESTRY RIGHT FOR YOU? · Do you care about forests, wildlife, water, wilderness, treaty rights, public involvement in forest policy, or international trade issues? For more information · Road Layout · Masters Degree or PhD · Silviculture · Consulting Company · Urban Forestry · University

Northern British Columbia, University of

464

Biomass Potentials from California Forest and Shrublands Including Fuel  

E-Print Network (OSTI)

Biomass Potentials from California Forest and Shrublands Including Fuel Reduction Potentials-04-004 February 2005 Revised: October 2005 Arnold Schwarzenegger, Governor, State of California #12;Biomass Tiangco, CEC Bryan M. Jenkins, University of California #12;Biomass Potentials from California Forest

465

Chapter Number1 Biomass Prediction in Tropical Forests:2  

E-Print Network (OSTI)

Chapter Number1 Biomass Prediction in Tropical Forests:2 The Canopy Grain Approach3 Christophe France9 1. Introduction10 The challenging task of biomass prediction in dense and heterogeneous tropical different forest structures may indeed present similar above ground biomass (AGB) values.13 This is probably

Paris-Sud XI, Université de

466

Graduate Assistantships in: Forest Tree Breeding and Restoration Genetics  

E-Print Network (OSTI)

(M.S. or Ph.D.) is offered to qualified students seeking training in forest tree breedingGraduate Assistantships in: Forest Tree Breeding and Restoration Genetics A Graduate Assistantship with The Hardwood Tree Improvement and Regeneration Center (HTIRC). Qualifications: Candidates should have well

467

Graduate Assistantships in: FOREST CONSERVATION/CLIMATE CHANGE MITIGATION  

E-Print Network (OSTI)

Scholarships are available to graduate students (M.S. or Ph.D.) seeking training in Forest Conservation approaches to understand how to manage forest tree species for long-term growth and survival in changing at The Hardwood Tree Improvement and Regeneration Center (HTIRC) at Purdue University. Qualifications: Candidates

468

PONDY PAPERS IN ECOLOGY TREE ARCHITECTURE AND FOREST DYNAMICS  

E-Print Network (OSTI)

PONDY PAPERS IN ECOLOGY MODELLING TREE ARCHITECTURE AND FOREST DYNAMICS A RESEARCH PROJECT s de P o n d i c h é r y Modelling tree architecture and forest dynamics A research project. Muriel Durand is a Ph.D. student with both the Institut français de Pondichéry and the CIRAD

Paris-Sud XI, Université de

469

Mitigating Climate Change with Managed Forests: Balancing Expectations,  

E-Print Network (OSTI)

and biomass energy) and di- rect substitution for more energy-intensive building mate- rials (e.g., concrete. Carbon markets may in the future offer some potential for com- pensating forest landowners for actions Climate Action Registry, and Regional Greenhouse Gas Initiative), some managed forest projects may prove

Vermont, University of

470

Urban Forest Management Plan Samuel O. Oludunfe, BSF  

E-Print Network (OSTI)

#101, ISA #WE5889A, State Urban Forester, California Dept. of Forestry & Fire Protection; Charles E Conservation Policies 15 4.2.1. Tree Inventory 15 4.2.2. Tree Pruning and Tree Removal 20 4.2.3. Protection as "...the sustained planning, planting, protection, maintenance, and care of trees, forests, greenspace

Tsien, Roger Y.

471

National Forest Land Scheme case study Broadford and Strath Community  

E-Print Network (OSTI)

National Forest Land Scheme case study Broadford and Strath Community Company: Broadford Wood.forestry.gov.uk/nfls1National Forest Land Scheme case study #12;BSCC has almost 200 members: voting membership is open covers the IV42 and IV49 post codes: about 240km2 . Much of the area comprises moorland and hills

472

The Global Forest Resource Assessment FRA2010 and  

E-Print Network (OSTI)

The Global Forest Resource Assessment FRA2010 and Remote Sensing Survey work by FAO and partners Assessment (FRA) process and 2005 results The new FRA Remote Sensing Survey (RSS) Potential opportunities is for fuel (cooking, light, heat) ·Sustaining forests is an economic and environmental imperative #12;TIMBER

473

Evapotranspiration models compared on a Sierra Nevada forest ecosystem  

E-Print Network (OSTI)

are research forests across the United States, Canada, Brazil, and Costa Rica with instruments on towers ranged from simple temperature and solar radiation-driven equations to physically-based combination on a tower above the forest canopy. All models calculate potential evapotranspiration (assuming well

Cohen, Ronald C.

474

Forest Ecology (3 credits) FOR 3153C Section: 2265  

E-Print Network (OSTI)

Forest Ecology (3 credits) FOR 3153C Section: 2265 Lectures and Discussion Thursday (periods 3 Ecological principles and their application to the management of forests; major sections include tree students with an overview of 1) ecological principles at four major scales of biological organization

Florida, University of

475

Classification of Sweden's Forest and Alpine Vegetation Using Optical  

E-Print Network (OSTI)

Classification of Sweden's Forest and Alpine Vegetation Using Optical Satellite and Inventory Data of Sweden's Forest and Alpine Vegetation Using Optical Satellite and Inventory Data. Abstract Creation of accurate vegetation maps from optical satellite data requires use of reference data to aid

476

Carbon dioxide emission during forest fires ignited by lightning  

E-Print Network (OSTI)

In this paper we developed the model for the carbon dioxide emission from forest fire. The master equation for the spreading of the carbon dioxide to atmosphere is the hyperbolic diffusion equation. In the paper we study forest fire ignited by lightning. In that case the fores fire has the well defined front which propagates with finite velocity.

Magdalena Pelc; Radoslaw Osuch

2009-03-31T23:59:59.000Z

477

Ly-alpha emission from GRB host galaxies  

E-Print Network (OSTI)

Ly-alpha emission is indicative of on-going star formation in a dust-poor environment. Ly-alpha imaging is therefore a probe of the star formation rate and of the dust-content of Gamma-Ray Burst host galaxies. Both of these parameters are central to our understanding of GRB progenitors and of how the environments affect the propagation of afterglow emission out of host galaxies. We have started a program aimed at imaging high redshift (z>2) host galaxies of GRBs at the Ly-alpha resonance line from neutral hydrogen. Here were report the results from imaging of the fields of GRB 000301C and GRB 000926 and outline upcoming observations of further hosts.

J. P. U. Fynbo; P. Moller; B. Thomsen; J. Hjorth; J. Gorosabel; M. I. Andersen; M. P. Egholm; S. Holland; B. L Jensen; H. Pedersen; M. Weidinger

2003-01-13T23:59:59.000Z

478

Continuous air monitor for alpha-emitting aerosol particles  

SciTech Connect

A new alpha Continuous Air Monitor (CAM) sampler is being developed for use in detecting the presence of alpha-emitting aerosol particles. The effort involves design, fabrication and evaluation of systems for the collection of aerosol and for the processing of data to speciate and quantify the alpha emitters of interest. At the present time we have a prototype of the aerosol sampling system and we have performed wind tunnel tests to characterize the performance of the device for different particle sizes, wind speeds, flow rates and internal design parameters. The results presented herein deal with the aerosol sampling aspects of the new CAM sampler. Work on the data processing, display and alarm functions is being done in parallel with the particle sampling work and will be reported separately at a later date. 17 refs., 5 figs., 3 tabs.

McFarland, A.R.; Ortiz, C.A. (Texas A and M Univ., College Station, TX (USA). Dept. of Mechanical Engineering); Rodgers, J.C.; Nelson, D.C. (Los Alamos National Lab., NM (USA))

1990-01-01T23:59:59.000Z

479

Indirect Measurements for (p,{alpha}) Reactions Involving Boron Isotopes  

SciTech Connect

Light elements lithium, beryllium and boron (LiBeB) were used in the last years as 'possible probe' for a deeper understanding of some extra-mixing phenomena occurring in young Main-Sequence stars. They are mainly destroyed by (p,{alpha}) reactions and cross section measurements for such channels are then needed. The Trojan Horse Method (THM) allows one to extract the astrophysical S(E)-factor without the experience of tunneling through the Coulomb barrier. In this work a resume of the recent results about the {sup 11}B(p,{alpha}{sub 0}){sup 8}Be and {sup 10}B(p,{alpha}){sup 7}Be reactions is shown.

Lamia, L.; Spitaleri, C.; Romano, S.; Cherubini, S.; Crucilla, V.; Gulino, M.; La Cognata, M.; Pizzone, R. G.; Puglia, S. M. R.; Sergi, M. L.; Tudisco, S.; Tumino, A. [Laboratori Nazionali del Sud, Catania (Italy); Dipartimento di Metodologie Fisiche e Chimiche per l'Ingegneria, Universita di Catania, Catania (Italy); Carlin, N.; Szanto, M. G. del; Liguori Neto, R.; Moura, M. M. de; Munhoz, M. G.; Souza, F. A.; Suaide, A. A. P.; Szanto, E. [Departamento de Fisica Nuclear, Universitade de Sao Paulo, Sao Paulo (Brazil)] (and others)

2008-04-06T23:59:59.000Z

480

Use of Forest Inventories and Geographic Information Systems To Estimate  

NLE Websites -- All DOE Office Websites (Extended Search)

Appendix B: Use of Forest Inventories and Geographic Information Systems To Appendix B: Use of Forest Inventories and Geographic Information Systems To Estimate Biomass Density of Tropical Forests: Application to Tropical Africa S. Brown and G. Gaston U.S. Environmental Protection Agency, 200 SW 35th St., Corvalis, OR 97333, USA Abstract One of the most important databases needed for estimating emissions of carbon dioxide resulting from changes in the cover, use, and management of tropical forests is the total quantity of biomass per unit area, referred to as biomass density. Forest inventories have been shown to be valuable sources of data for estimating biomass density, but inventories for the tropics are few in number and their quality is poor. This lack of reliable data has been overcome by use of a promising approach that produces

Note: This page contains sample records for the topic "lyman alpha forest" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


481

The Role of Disturbance in Dry Tropical Forest Landscapes  

SciTech Connect

Disturbance can be defined as 'any relatively discrete event in time that disrupts ecosystem, community, or population structure and changes resources, substrate availability, or the physical environment'. This definition requires that the spatial and temporal scales of the system and disturbance be determined. Disturbances are typically characterized by their size, spatial distribution, frequency or return time, predictability, and magnitude (which includes both intensity and severity). These disturbance attributes set the parameters for the suite of species, both plant and animal, that can persist within a given system. As such, an understanding of seasonally dry tropical forests in Asia requires an understanding of disturbance within the region. However, disturbances are relatively poorly understood in dry tropical forests, partly because of the weak seasonality in temperature and high tree species diversity of these forests relative to most forest systems of the world. There are about 1,048,700 km{sup 2} of dry tropical forests worldwide and that only 3% of this land is in conservation status. In other words, 97% of the world's seasonally dry tropical forest is at risk of human disturbance. About half of this forest occurs in South America, where most of the conservation lands are located. Satellite imagery based on MODIS (Moderate Resolution Imaging Spectroradiometer) data shows that only about 3.8% of the world's dry tropical forests are in Australia and South east Asia. The susceptibility of these forests to human disturbances is of great concern and is largely unstudied. Because natural disturbance regimes shape the ecosystem structure and are in many ways integral to these forest systems, it is critical to know how natural disturbance affects dry forest in order to understand the effects of human activities on these forests. Even basic information about disturbances in dry tropical forests is only recently available. Therefore this chapter brings together much of the available information from dry tropical forest throughout the world with the goal of developing an understanding of the role of disturbance in Asian dry forests. Most ecologists now recognize that disturbances, rather than being catastrophic agents of destruction, are a normal, perhaps even an integral, part of long-term system dynamics. The composition, structure, organization, and development and trophic dynamics of most forest systems are the products of disturbances. As an example, the forest composition for two disturbances in the Anaikatty Hills of Western Ghats were compared, where the low disturbance was from past logging followed by cutting and illicit felling and grazing and the high disturbance was due to human presence, past logging, and fuelwood collection. They found higher species richness and Shannon-Wiener diversity index for the low-disturbance forest (98 and 3.9, respectively) compared to the high-disturbance stand (45 and 2.71, respectively) as well as significant differences in mean basal area of trees, density of seedlings, number of species, density and diversity of shrubs, and number of species and diversity of herbs. Some ecological systems contain species that have evolved in response to disturbances. Adaptations typical of dry tropical forest plants are drought tolerance, seed dispersal mechanisms, and the ability to sprout subsequent to disturbance. In contrast, evidence was found that human disturbance in Kakamega Forest of western Kenya has significantly reduced allelic richness and heterozygosity, increased inbreeding, and slightly reduced gene flow in Prunus africana in the past century.

Dale, Virginia H [ORNL

2011-01-01T23:59:59.000Z

482

Tools for Forest Carbon Inventory, Management, and Reporting | Open Energy  

Open Energy Info (EERE)

Tools for Forest Carbon Inventory, Management, and Reporting Tools for Forest Carbon Inventory, Management, and Reporting Jump to: navigation, search Tool Summary LAUNCH TOOL Name: Tools for Carbon Inventory, Management, and Reporting Agency/Company /Organization: United States Forest Service, United States Department of Agriculture Sector: Land Focus Area: Forestry Topics: GHG inventory, Resource assessment Resource Type: Guide/manual, Lessons learned/best practices, Publications, Training materials, Software/modeling tools User Interface: Desktop Application, Website Website: nrs.fs.fed.us/carbon/tools/ Cost: Free Tools for Carbon Inventory, Management, and Reporting Screenshot References: Carbon Tools[1] Logo: Tools for Carbon Inventory, Management, and Reporting "Accurate estimates of carbon in forests are crucial for forest carbon

483

Forest City Military Communities, Hawaii | Open Energy Information  

Open Energy Info (EERE)

Military Communities, Hawaii Military Communities, Hawaii Jump to: navigation, search Name Forest City Military Communities, Hawaii Place Honolulu, HI Website http://www.fcnavyhawaii.com/ References Solar Technical Assistance Provided to Forest City Military Communities in Hawaii[1] Information About Partnership with NREL Partnership with NREL Yes Partnership Type Test & Evaluation Partner Partnering Center within NREL Electricity Resources & Building Systems Integration LinkedIn Connections CrunchBase Profile No CrunchBase profile. Create one now! Forest City Military Communities, Hawaii is a company located in Honolulu, HI. References ↑ "Solar Technical Assistance Provided to Forest City Military Communities in Hawaii" Retrieved from "http://en.openei.org/w/index.php?title=Forest_City_Military_Communities,_Hawaii&oldid=381670"

484

Automated docking of {alpha}-(1,4)- and {alpha}-(1,6)-linked glucosyl trisaccharides in the glucoamylase active site  

SciTech Connect

Low-energy conformers of five {alpha}-(1,4)- and {alpha}-(1,6)-linked glucosyl trisaccharides were flexibly docked into the glucoamylase active site using AutoDock 2.2. To ensure that all significant conformational space was searched, the starting trisaccharide conformers for docking were all possible combinations of the corresponding disaccharide low-energy conformers. All docked trisaccharides occupied subsites {minus}1 and +1 in very similar modes to those of corresponding nonreducing-end disaccharides. For linear substrates, full binding at subsite +2 occurred only when the substrate reducing end was {alpha}-(1,4)-linked, with hydrogen-bonding with the hydroxy-methyl group being the only polar interaction there. Given the absence of other important interactions at this subsite, multiple substrate conformations are allowed. For the one docked branched substrate, steric hindrance in the {alpha}-(1,6)-glycosidic oxygen suggests that the active-site residues have to change position for hydrolysis to occur. Subsite +1 of the glucoamylase active site allows flexibility in binding but, at least in Aspergillus glucoamylases, subsite +2 selectively binds substrates {alpha}-(1,4)-linked between subsites +1 and +2. Enzyme engineering to limit substrate flexibility at subsite +2 could improve glucoamylase industrial properties.

Countinho, P.M.; Reilly, P.J. [Iowa State Univ., Ames, IA (United States). Dept. of Chemical Engineering; Dowd, M.K. [Dept. of Agriculture, New Orleans, LA (United States). Southern Regional Research Center

1998-06-01T23:59:59.000Z

485

Study of the Pygmy Dipole Resonance in {sup 124}Sn by means of the ({alpha},{alpha}'{gamma}) reaction  

SciTech Connect

In recent years {alpha}-{gamma} coincidence experiments at 136 MeV incident energy on {sup 48}Ca, {sup 140}Ce, {sup 138}Ba and {sup 124}Sn were performed at the KVI in Groningen to study the isospin character of electric dipole excitations below the particle threshold, frequently called Pygmy Dipole Resonance (PDR). An array of HPGe {gamma}-detectors has been used in coincidence with the Big-Bite Spectrometer (BBS) and a resolution of about 10 keV in the {gamma}-ray energy has been achieved. The results show that the excitation patterns of the PDR in the ({alpha},{alpha}') reaction seem to differ significantly from results obtained in Nuclear Resonance Fluorescence (NRF)({gamma},{gamma}') measurements. The PDR, which until now has been assigned to one excitation mode, splits up into two parts: One that is excited in ({alpha},{alpha}'{gamma}) and ({gamma},{gamma}') reactions (denoting a dominant isoscalar character), and one that is only excited in ({gamma},{gamma}')(denoting a dominant isovector character). This indicates that two different excitation mechanisms produce these low-lying E1 excitations [1], The preliminary results of the latest measurements on the N = 82 nucleus {sup 138}Ba and the Z = 50 nucleus {sup 124}Sn show that this break up into two parts is a common feature of the PDR in semi-magic nuclei.

Endres, J.; Zilges, A. [Institut fuer Kernphysik, Universitaet zu Koeln (Germany); Pietralla, N.; Savran, D.; Sonnabend, K. [Institut fuer Kernphysik, TU Darmstadt (Germany); Harakeh, M. N.; Stoica, V.; Woertche, H. [Kernfysisch Versneller Instituut, University of Groningen (Netherlands); Butler, P.; Herzberg, R. D.; Scheck, M. [Department of Physics, University of Liverpool (United Kingdom); Kruecken, R. [Physik-Department E12, TU Muenchen (Germany); Popescu, L. [SCK-CEN, Mol (Belgium); Harissopulos, S.; Lagoyannis, A. [I.N.P. NCSR Demokritos, Athens (Greece)

2009-01-28T23:59:59.000Z

486

Inclusive-jet photoproduction at HERA and determination of alphas  

E-Print Network (OSTI)

Inclusive-jet cross sections have been measured in the reaction ep->e+jet+X for photon virtuality Q2 energies in the region 142 energy, ETjet, and pseudorapidity, etajet, for jets with ETjet > 17 GeV and -1 energy-scale dependence of the coupling was determined. The value of alphas(Mz) extracted from the measurements based on the kT jet algorithm is alphas(Mz) = 0.1206 +0.0023 -0.0022 (exp.) +0.0042 -0.0035 (th.); the results from the anti-kT and SIScone algorithms are compatible with this value and have a similar precision.

ZEUS Collaboration; H. Abramowicz; I. Abt; L. Adamczyk; M. Adamus; R. Aggarwal; S. Antonelli; P. Antonioli; A. Antonov; M. Arneodo; V. Aushev; Y. Aushev; O. Bachynska; A. Bamberger; A. N. Barakbaev; G. Barbagli; G. Bari; F. Barreiro; N. Bartosik; D. Bartsch; M. Basile; O. Behnke; J. Behr; U. Behrens; L. Bellagamba; A. Bertolin; S. Bhadra; M. Bindi; C. Blohm; V. Bokhonov; T. Bold; K. Bondarenko; E. G. Boos; K. Borras; D. Boscherini; D. Bot; I. Brock; E. Brownson; R. Brugnera; N. Brummer; A. Bruni; G. Bruni; B. Brzozowska; P. J. Bussey; B. Bylsma; A. Caldwell; M. Capua; R. Carlin; C. D. Catterall; S. Chekanov; J. Chwastowski; J. Ciborowski; R. Ciesielski; L. Cifarelli; F. Cindolo; A. Contin; A. M. Cooper-Sarkar; N. Coppola; M. Corradi; F. Corriveau; M. Costa; G. D'Agostini; F. Dal Corso; J. del Peso; R. K. Dementiev; S. De Pasquale; M. Derrick; R. C. E. Devenish; D. Dobur; B. A. Dolgoshein; G. Dolinska; A. T. Doyle; V. Drugakov; L. S. Durkin; S. Dusini; Y. Eisenberg; P. F. Ermolov; A. Eskreys; S. Fang; S. Fazio; J. Ferrando; M. I. Ferrero; J. Figiel; M. Forrest; B. Foster; G. Gach; A. Galas; E. Gallo; A. Garfagnini; A. Geiser; I. Gialas; A. Gizhko; L. K. Gladilin; D. Gladkov; C. Glasman; O. Gogota; Yu. A. Golubkov; P. Gottlicher; I. Grabowska-Bold; J. Grebenyuk; I. Gregor; G. Grigorescu; G. Grzelak; O. Gueta; M. Guzik; C. Gwenlan; T. Haas; W. Hain; R. Hamatsu; J. C. Hart; H. Hartmann; G. Hartner; E. Hilger; D. Hochman; R. Hori; K. Horton; A. Huttmann; Z. A. Ibrahim; Y. Iga; R. Ingbir; M. Ishitsuka; H. -P. Jakob; F. Januschek; T. W. Jones; M. Jungst; I. Kadenko; B. Kahle; S. Kananov; T. Kanno; U. Karshon; F. Karstens; I. I. Katkov; M. Kaur; P. Kaur; A. Keramidas; L. A. Khein; J. Y. Kim; D. Kisielewska; S. Kitamura; R. Klanner; U. Klein; E. Koffeman; N. Kondrashova; O. Kononeko; P. Kooijman; Ie. Korol; I. A. Korzhavina; A. Kotanski; U. Kotz; H. Kowalski; O. Kuprash; M. Kuze; A. Lee; B. B. Levchenko; A. Levy; V. Libov; S. Limentani; T. Y. Ling; M. Lisovyi; E. Lobodzinska; W. Lohmann; B. Lohr; E. Lohrmann; K. R. Long; A. Longhin; D. Lontkovskyi; O. Yu. Lukina; J. Maeda; S. Magill; I. Makarenko; J. Malka; R. Mankel; A. Margotti; G. Marini; J. F. Martin; A. Mastroberardino; M. C. K. Mattingly; I. -A. Melzer-Pellmann; S. Mergelmeyer; S. Miglioranzi; F. Mohamad Idris; V. Monaco; A. Montanari; J. D. Morris; K. Mujkic; B. Musgrave; K. Nagano; T. Namsoo; R. Nania; A. Nigro; Y. Ning; T. Nobe; U. Noor; D. Notz; R. J. Nowak; A. E. Nuncio-Quiroz; B. Y. Oh; N. Okazaki; K. Oliver; K. Olkiewicz; Yu. Onishchuk; K. Papageorgiu; A. Parenti; E. Paul; J. M. Pawlak; B. Pawlik; P. G. Pelfer; A. Pellegrino; W. Perlanski; H. Perrey; K. Piotrzkowski; P. Plucinski; N. S. Pokrovskiy; A. Polini; A. S. Proskuryakov; M. Przybycien; A. Raval; D. D. Reeder; B. Reisert; Z. Ren; J. Repond; Y. D. Ri; A. Robertson; P. Roloff; I. Rubinsky; M. Ruspa; R. Sacchi; U. Samson; G. Sartorelli; A. A. Savin; D. H. Saxon; M. Schioppa; S. Schlenstedt; P. Schleper; W. B. Schmidke; U. Schneekloth; V. Schonberg; T. Schorner-Sadenius; J. Schwartz; F. Sciulli; L. M. Shcheglova; R. Shehzadi; S. Shimizu; I. Singh; I. O. Skillicorn; W. Slominski; W. H. Smith; V. Sola; A. Solano; D. Son; V. Sosnovtsev; A. Spiridonov; H. Stadie; L. Stanco; N. Stefaniuk; A. Stern; T. P. Stewart; A. Stifutkin; P. Stopa; S. Suchkov; G. Susinno; L. Suszycki; J. Sztuk-Dambietz; D. Szuba; J. Szuba; A. D. Tapper; E. Tassi; J. Terron; T. Theedt; H. Tiecke; K. Tokushuku; J. Tomaszewska; V. Trusov; T. Tsurugai; M. Turcato; O. Turkot; T. Tymieniecka; M. Vazquez; A. Verbytskyi; O. Viazlo; N. N. Vlasov; R. Walczak; W. A. T. Wan Abdullah; J. J. Whitmore; L. Wiggers; M. Wing; M. Wlasenko; G. Wolf; H. Wolfe; K. Wrona; A. G. Yagues-Molina; S. Yamada; Y. Yamazaki; R. Yoshida; C. Youngman; O. Zabiegalov; A. F. Zarnecki; L. Zawiejski; O. Zenaiev; W. Zeuner; B. O. Zhautykov; N. Zhmak; C. Zhou; A. Zichichi; Z. Zolkapli; D. S. Zotkin

2012-05-28T23:59:59.000Z

487

226 USDA Forest Service Proceedings RMRS-P-63. 2011. Valuing the Forest for the Trees: Willingness to  

E-Print Network (OSTI)

226 USDA Forest Service Proceedings RMRS-P-63. 2011. Valuing the Forest for the Trees: Willingness to Pay for White Pine Blister Rust Management James R. Meldrum, Environmental Studies Program, University stage, followed by mitigation of impacts and restoration of degraded areas if that first stage proves

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7 July 2014 SENT TO LSU AGCENTER/LOUISIANA FOREST PRODUCTS DEVELOPMENT CENTER -FOREST SECTOR / FORESTY PRODUCTS INTEREST GROUP  

E-Print Network (OSTI)

7 July 2014 SENT TO LSU AGCENTER/LOUISIANA FOREST PRODUCTS DEVELOPMENT CENTER - FOREST SECTOR procurement activities and key geopolitical barriers (i.e. the Mississippi River) support this assessment. Also, size matters. In the U.S. South, industrial facilities that use 500,000 tons of wood per year

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5 February 2014 SENT TO LSU AGCENTER/LOUISIANA FOREST PRODUCTS DEVELOPMENT CENTER -FOREST SECTOR / FORESTY PRODUCTS INTEREST GROUP  

E-Print Network (OSTI)

as an alternative to fossil fuels, production of its raw material can have a major impact on land, air, and water5 February 2014 SENT TO LSU AGCENTER/LOUISIANA FOREST PRODUCTS DEVELOPMENT CENTER - FOREST SECTOR / FORESTY PRODUCTS INTEREST GROUP Sustainable Poplar Plantation Provides Biomass Feedstock for the Emerging

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26 March 2014 SENT TO LSU AGCENTER/LOUISIANA FOREST PRODUCTS DEVELOPMENT CENTER -FOREST SECTOR / FORESTY PRODUCTS INTEREST GROUP  

E-Print Network (OSTI)

that the illegal logging rate was at least 47 per cent. The EIA's report, "Data corruption, exposing the true scale26 March 2014 SENT TO LSU AGCENTER/LOUISIANA FOREST PRODUCTS DEVELOPMENT CENTER - FOREST SECTOR reported importing 22.8 million cubic meters of logs from Myanmar in 2000-13 -- 16.4 million cubic meters

491

Forest Creek Wind Farm | Open Energy Information  

Open Energy Info (EERE)

Creek Wind Farm Creek Wind Farm Jump to: navigation, search Name Forest Creek Wind Farm Facility Forest Creek Wind Farm Sector Wind energy Facility Type Commercial Scale Wind Facility Status In Service Owner E.On Climate & Renewables Developer E.On Climate & Renewables/RGI Energy Purchaser Luminant Location Glasscock and Sterling Counties TX Coordinates 31.937348°, -101.312513° Loading map... {"minzoom":false,"mappingservice":"googlemaps3","type":"ROADMAP","zoom":14,"types":["ROADMAP","SATELLITE","HYBRID","TERRAIN"],"geoservice":"google","maxzoom":false,"width":"600px","height":"350px","centre":false,"title":"","label":"","icon":"","visitedicon":"","lines":[],"polygons":[],"circles":[],"rectangles":[],"copycoords":false,"static":false,"wmsoverlay":"","layers":[],"controls":["pan","zoom","type","scale","streetview"],"zoomstyle":"DEFAULT","typestyle":"DEFAULT","autoinfowindows":false,"kml":[],"gkml":[],"fusiontables":[],"resizable":false,"tilt":0,"kmlrezoom":false,"poi":true,"imageoverlays":[],"markercluster":false,"searchmarkers":"","locations":[{"text":"","title":"","link":null,"lat":31.937348,"lon":-101.312513,"alt":0,"address":"","icon":"","group":"","inlineLabel":"","visitedicon":""}]}

492

Taking the Band Function Too Far: A Tale of Two $\\alpha$'s  

E-Print Network (OSTI)

The long standing problem of identifying the emission mechanism operating in gamma-ray bursts (GRBs) has produced a myriad of possible models that have the potential of explaining the observations. Generally, the empirical Band function is fit to the observed gamma-ray data and the fit parameters are used to infer which radiative mechanisms are at work in GRB outflows. In particular, the distribution of the Band function's low-energy power law index, $\\alpha$, has led to the so-called synchrotron "line-of-death" (LOD) which is a statement that the distribution cannot be explained by the simplest of synchrotron models alone. As an alternatively fitting model, a combination of a blackbody in addition to the Band function is used, which in many cases provide a better or equally good fit. It has been suggested that such fits would be able to alleviate the LOD problem for synchrotron emission in GRBs. However, these conclusions rely on the Band function's ability to fit a synchrotron spectrum within the observed e...

Burgess, J Michael; Yu, Hoi-Fung

2014-01-01T23:59:59.000Z

493

Chapter Advisor E-mail Alpha Delta Pi Courtney O'Neill-Chapter Advisor courtneyoneill2004@yahoo.com  

E-Print Network (OSTI)

Chapter Advisor E-mail Alpha Delta Pi Courtney O'Neill- Chapter Advisor courtneyoneill2004@yahoo.com Alpha Delta Pi Kendra Stewart-On Campus stewartk@cofc.edu Alpha Epsilon Pi Alex Green - Chapter Advisor Magwood- Chapater Advisor graymag7@bellsouth.net Alpha Kappa Alpha Debbie Counts-On-Campus countsd

Kunkle, Tom

494

Forest Research Annual Report and Accounts 2003200414 Biodiversity assessment in planted  

E-Print Network (OSTI)

Forest Research Annual Report and Accounts 2003­200414 Biodiversity assessment in planted forests Publication of the results of the Biodiversity Assessment programme: Biodiversity in Britain's planted forests programme that investigated 54 plots of one hectare in 16 forests to capture a picture of the biodiversity

495

Forests 2011, 2, 86-111; doi:10.3390/f2010086 ISSN 1999-4907  

E-Print Network (OSTI)

, citizen participation and safeguards for forest-based populations. Keywords: climate change; forest degradation in developing countries; and the role of conservation, sustainable management of forests and enhancement of forest carbon stocks in developing countries.' It is therefore an important step towards

496

Identification of rainfall interception model parameters from measurements of throughfall and forest canopy storage  

E-Print Network (OSTI)

and forest canopy storage Jasper A. Vrugt Institute for Biodiversity and Ecosystem Dynamics, University

Vrugt, Jasper A.

497

Fire-Return Intervals in Mixed-Conifer Forests of the Kings River Sustainable  

E-Print Network (OSTI)

Fire-Return Intervals in Mixed-Conifer Forests of the Kings River Sustainable Forest Ecosystems,070-ha study area in the Dinkey Creek watershed. Stumps in mixed-conifer forest were examined for fire a similar period in mixed-conifer forests at Redwood Mountain and Bearskin Creek, 40-50 km south of Dinkey

Standiford, Richard B.

498

Changes in Snag Populations in Northern Arizona Mixed-Conifer and Ponderosa Pine Forests, 19972002  

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Changes in Snag Populations in Northern Arizona Mixed-Conifer and Ponderosa Pine Forests, 1997 composition of snags differed between 1997 and 2002 in ponderosa pine forest, but not in mixed-conifer forest populations in southwestern mixed-conifer and pon- derosa pine (Pinus ponderosa Dougl. ex Laws) forests, we

499

Stand Conditions Associated with Tree Regeneration in Sierran Mixed-Conifer Forests  

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Stand Conditions Associated with Tree Regeneration in Sierran Mixed-Conifer Forests Andrew N. Gray that affect tree seedling establishment. We conducted studies in a mixed-conifer forest in the Sierra Nevada common forest type, mixed conifer (Helms 1995), forests had less tree canopy cover during presettlement

North, Malcolm

500

RESEARCH ARTICLE Rural housing is related to plant invasions in forests  

E-Print Network (OSTI)

of invasive non-native plants in temperate forests of the Midwestern US. In the Baraboo Hills, Wisconsin, we be discouraged. Keywords Baraboo Hills Á Forest fragmentation Á Landscaping Á Midwestern forests Á NonRESEARCH ARTICLE Rural housing is related to plant invasions in forests of southern Wisconsin, USA

Radeloff, Volker C.