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1

Research Highlights  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Highlights Highlights Form Submit a New Research Highlight Sort Highlights Submitter Title Research Area Working Group Submission Date DOE Progress Reports Notable Research Findings for 2001-2006 Biological and Environmental Research Abstracts Database Research Highlights Summaries Research Highlights Members of ARM's science team are major contributors to radiation and cloud research. ARM investigators publish about 150 refereed journal articles per year, and ARM data are used in many studies published by other scientific organizations. These documented research efforts represent tangible evidence of ARM's contribution to advances in almost all areas of atmospheric radiation and cloud research. Below is a selection of summaries highlighting recently-published ARM research. The entire collection of ARM

2

Research Highlight  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Key Contributor to Low-Level Cloud Reflectivity Submitter: Penner, J. E., University of Michigan Area of Research: Aerosol Properties Working Group(s): Aerosol Journal Reference:...

3

Research Highlight  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Area of Research: Aerosol Properties Working Group(s): Aerosol Journal Reference: Kelly, JT, CC Chuang, and AS Wexler. 2007. "Influence of dust composition on cloud droplet...

4

Research Highlight  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

A., Pacific Northwest National Laboratory Area of Research: Atmospheric Thermodynamics and Vertical Structures Working Group(s): Cloud Life Cycle Journal Reference:...

5

Research Highlight  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Schween, J. H., Inst. of Geophysics and Meteorology Area of Research: Atmospheric Thermodynamics and Vertical Structures Working Group(s): Cloud Properties Journal Reference:...

6

Research Highlight  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Xie, S., Lawrence Livermore National Laboratory Area of Research: Atmospheric Thermodynamics and Vertical Structures Working Group(s): Cloud Modeling Journal Reference: Xie S,...

7

Research Highlight  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Xie, S., Lawrence Livermore National Laboratory Area of Research: Atmospheric Thermodynamics and Vertical Structures Working Group(s): Cloud Life Cycle Journal Reference: Xie...

8

Research Highlight  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Optical Properties of the 1997 TWP Smoke Event Submitter: Spinhirne, J., University of Arizona Area of Research: Radiation Processes Working Group(s): Radiative Processes Journal...

9

Research Highlight  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Madden-Julian Oscillation Heating: to Tilt or Not to Tilt For original submission and image(s), see ARM Research Highlights http:www.arm.govsciencehighlights Research...

10

Research Highlight  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Desert Dust Determines Aerial Spread of Thunderstorm Clouds Desert Dust Determines Aerial Spread of Thunderstorm Clouds Submitter: Bhattacharya, A., Pacific Northwest National Laboratory Area of Research: Cloud Distributions/Characterizations Working Group(s): Cloud Life Cycle Journal Reference: Zeng X, W Tao, SW Powell, RA Houze, P Ciesielski, N Guy, H Pierce, and T Matsui. 2013. "A comparison of the water budgets between clouds from AMMA and TWP-ICE." Journal of the Atmospheric Sciences, 70(2), doi:10.1175/JAS-D-12-050.1. The sun, seen through a dusty atmosphere, sets at Niamey, the capital of Niger, which is located in the African Sahara. Anvil clouds that accompany thunderstorms. Contrasts often provide unique perspectives, and scientists seize any such opportunity-when it arises. In a new research paper, published in the Journal of Atmospheric Sciences,

11

Research Highlight  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Improved Daytime Precipitable Water Vapor from Vaisala Radiosonde Humidity Improved Daytime Precipitable Water Vapor from Vaisala Radiosonde Humidity Sensors Download a printable PDF Submitter: Cady-Pereira, K. E., Atmospheric and Environmental Research, Inc. Mlawer, E. J., Atmospheric & Environmental Research, Inc. Turner, D. D., National Oceanic and Atmospheric Administration Shephard, M. W., Atmospheric and Environmental Research, Inc. Clough, S. A., Atmospheric and Environmental Research, Inc. Area of Research: Atmospheric Thermodynamics and Vertical Structures Working Group(s): Radiative Processes Journal Reference: Cady-Pereira, K, M Shephard, E Mlawer, D Turner, S Clough, and T Wagner. 2008. "Improved daytime column-integrated precipitable water vapor from Vaisala radiosonde humidity sensors." Journal of Atmospheric and Oceanic Technology doi: 10.1175/2007JTECHA1027.1.

12

Research Highlight  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

New Method Simulates 3D Ice Crystal Growth Within Clouds New Method Simulates 3D Ice Crystal Growth Within Clouds Submitter: Bhattacharya, A., Pacific Northwest National Laboratory Area of Research: Radiation Processes Working Group(s): Cloud Life Cycle Journal Reference: Harrington JY, K Sulia, and H Morrison. 2013. "A method for adaptive habit prediction in bulk microphysical models. Part I: theoretical development." Journal of the Atmospheric Sciences, 70(2), doi:10.1175/JAS-D-12-040.1. Harrington JY, K Sulia, and H Morrison. 2013. "A method for adaptive habit prediction in bulk microphysical models. Part II: parcel model corroboration." Journal of the Atmospheric Sciences, 70(2), doi:10.1175/JAS-D-12-0152.1. A close-up of ice crystals. Ever noticed the different shapes of snowflakes sticking on the windowpane

13

Research Highlight  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Aerosol Experiment Results Featured in Technical Journal Aerosol Experiment Results Featured in Technical Journal Submitter: Sheridan, P., U.S. Department of Commerce/NOAA Area of Research: Aerosol Properties Working Group(s): Aerosol Journal Reference: Sheridan, P, W Arnott, J Ogren, E Andrews, D Atkinson, D Covert, H Moosmuller, A Petzold, B Schmid, A Strawa, R Varma, and A Virkkula. 2005. "The Reno Aerosol Optics Study: An evaluation of aerosol absorption measurement methods." Aerosol Science and Technology 39(1):1-16. This magnification shows the size of aerosol particles relative to the pore size of the filter used during one of the study's sampling runs. Aerosol particles are gaining increasing scientific attention as a key factor in climate change. Through scattering and absorption of solar radiation, or by altering cloud properties, aerosols have the potential to

14

Research Highlight  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Case Closed on Nauru Island Effect Case Closed on Nauru Island Effect Download a printable PDF Submitter: Long, C. N., Pacific Northwest National Laboratory Area of Research: Cloud Distributions/Characterizations Working Group(s): Cloud Life Cycle Journal Reference: Long CN and SA McFarlane. 2012. "Quantification of the impact of Nauru Island on ARM measurements." Journal of Applied Meteorology and Climatology, 51(3), 628-636. McFarlane SA, CN Long, and DM Flynn. 2005. "Impact of island-induced clouds on surface measurements: analysis of the ARM Nauru Island Effect Study data." Journal of Applied Meteorology, 44, 1045-1065. Conceptual model of the Nauru Island Effect and production of cloud plume. Approximate ARM Nauru site location is shown on the western side of the

15

Research Highlight  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Characterizing Clouds at Arctic Atmospheric Observatories Characterizing Clouds at Arctic Atmospheric Observatories Download a printable PDF Submitter: Shupe, M., University of Colorado Area of Research: Cloud Distributions/Characterizations Working Group(s): Cloud Life Cycle Journal Reference: Shupe MD, VP Walden, E Eloranta, T Uttal, JR Campbell, SM Starkweather, and M Shiobara. 2011. "Clouds at Arctic atmospheric observatories, part I: occurrence and macrophysical properties." Journal of Applied Meteorology and Climatology, 50(3), 626-644. Shupe MD. 2011. "Clouds at Arctic atmospheric observatories, part II: thermodynamic phase characteristics." Journal of Applied Meteorology and Climatology, 50(3), 645-661. Figure 1: (a) Annual cycles of monthly mean cloud occurrence fraction at six Arctic atmospheric observatories. The average cloud fraction for all

16

Research Highlight  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Increased Accuracy for Sky Imager Retrievals Increased Accuracy for Sky Imager Retrievals Download a printable PDF Submitter: Long, C. N., Pacific Northwest National Laboratory Area of Research: Cloud Distributions/Characterizations Working Group(s): Cloud Properties Journal Reference: Long CN. 2010. "Correcting for circumsolar and near-horizon errors in sky cover retrievals from sky images." The Open Atmospheric Science Journal, 4, doi:10.2174/1874282301004010045. Long CN, JM Sabburg, J Calbo, and D Pages. 2006. "Retrieving cloud characteristics from ground-based daytime all-sky images." Journal of Atmospheric and Oceanic Technology, 23, 633-652. Sample sky image (left) and corresponding cloud decision image (right) showing an example of the over-estimating problem. White and gray in the

17

Research Highlight  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

ARM Measurements Help to Evaluate Radiation Codes Used in Global Modeling ARM Measurements Help to Evaluate Radiation Codes Used in Global Modeling Download a printable PDF Submitter: Oreopoulos, L., NASA Mlawer, E. J., Atmospheric & Environmental Research, Inc. Area of Research: Radiation Processes Working Group(s): Cloud Life Cycle Journal Reference: Oreopoulos L, E Mlawer, J Delamere, T Shippert, J Cole, B Fomin, M Iacono, Z Jin, J Li, J Manners, P Raisanen, F Rose, Y Zhang, MJ Wilson, and WB Rossow. 2012. "The Continual Intercomparison of Radiation Codes: results from Phase I." Journal of Geophysical Research - Atmospheres, 117, doi:10.1029/2011JD016821. The total error of each participating radiation code for all LW (left) and SW (right) cases in the CIRC intercomparison. The identity of each participating code can be found in the paper; codes built due to ARM

18

Research Highlight  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Modified Climate Model Better Replicates Global Rainfall Modified Climate Model Better Replicates Global Rainfall Submitter: Bhattacharya, A., Pacific Northwest National Laboratory Area of Research: Cloud-Aerosol-Precipitation Interactions Working Group(s): Cloud-Aerosol-Precipitation Interactions Journal Reference: Song X, GJ Zhang, and JF Li. 2012. "Evaluation of microphysics parameterization for convective clouds in the NCAR Community Atmosphere Model CAM5." Journal of Climate, 25(24), doi:10.1175/JCLI-D-11-00563.1. Rainfall in the tropics. By improving an existing, sophisticated, global climate model, scientists can now simulate cloud and rainfall more accurately. Supported by the U.S. Department of Energy's Atmospheric System Research program, a research team from the Scripps Institution of Oceanography and

19

Research Highlight  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Improving Water Vapor Continuum Absorption and Its Impact on a GCM Improving Water Vapor Continuum Absorption and Its Impact on a GCM Simulation Download a printable PDF Submitter: Turner, D. D., National Oceanic and Atmospheric Administration Mlawer, E. J., Atmospheric & Environmental Research, Inc. Area of Research: Radiation Processes Working Group(s): Cloud Life Cycle Journal Reference: Turner DD, A Merrelli, D Vimont, and EJ Mlawer. 2012. "Impact of modifying the longwave water vapor continuum absorption model on community Earth system model simulations." Journal of Geophysical Research, 117, D04106, doi:10.1029/2011JD016440. The mean difference profiles (experiment minus control) for clear-sky longwave radiative heating (QRLC); shortwave clear-sky radiative heating (QRSC); the longwave cloud radiative forcing (QRLCF); the precipitation

20

Research Highlight  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

ARM Program Research Improves Longwave Radiative Transfer Models ARM Program Research Improves Longwave Radiative Transfer Models Submitter: Turner, D. D., National Oceanic and Atmospheric Administration Area of Research: General Circulation and Single Column Models/Parameterizations Working Group(s): Radiative Processes Journal Reference: The QME AERI LBLRTM: A closure experiment for downwelling high spectral resolution infrared radiance. D.D. Turner, D.C. Tobin, S.A. Clough, P.D. Brown, R.G. Ellingson, E.J. Mlawer, R.O. Knuteson, H.E. Revercomb, T.R. Shippert, and W.L. Smith. 2004. Journal of Atmospheric Science, 61, 2657-2675. Top panels: Examples of downwelling infrared radiance observed by the AERI for two different clear sky cases with different amounts of water vapor. Bottom panels: Differences between the AERI observations and calculations

Note: This page contains sample records for the topic "research highlights journal" 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

Research Highlight  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Putting the Pieces Together Putting the Pieces Together Download a printable PDF Submitter: Fan, J., Pacific Northwest National Laboratory Area of Research: Cloud Distributions/Characterizations Working Group(s): Cloud Life Cycle Journal Reference: Fan J, S Ghan, M Ovchinnikov, X Liu, P Rasch, and A Korolev. 2011. "Representation of arctic mixed-phase clouds and the Wegener-Bergeron-Findeisen process in climate models: Perspectives from a cloud-resolving study." Journal of Geophysical Research - Atmospheres, 116, D00T07, doi:10.1029/2010JD015375. PNNL's Arctic mixed-phase cloud research was augmented with field observations from the 2008 Indirect and Semi-Direct Aerosol Campaign (ISDAC) in Northern Alaska. Photo courtesy of A. Korolev, Environment Canada. Vertical cross sections of (a) the vertical velocity (the contour lines)

22

Research Highlight  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Parameterizing the Ice Fall Speed in Climate Models: Results from TC4 and Parameterizing the Ice Fall Speed in Climate Models: Results from TC4 and ISDAC Download a printable PDF Submitter: Mitchell, D. L., Desert Research Institute Mishra, S., NOAA - Coop. Inst. for Mesoscale Meteorological Studies Area of Research: General Circulation and Single Column Models/Parameterizations Working Group(s): Cloud Life Cycle, Cloud-Aerosol-Precipitation Interactions Journal Reference: Mitchell DL, S Mishra, and RP Lawson. 2011. "Representing the ice fall speed in climate models: Results from Tropical Composition, Cloud and Climate Coupling (TC4) and the Indirect and Semi-Direct Aerosol Campaign (ISDAC)." Journal of Geophysical Research - Atmospheres, 116, D00T03, doi:10.1029/2010JD015433. Relationship between De and Vm for all tropical cirrus cloud types (solid

23

Research Highlight  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Evaluation of a New Mixed-Phase Cloud Microphysics Parameterization with Evaluation of a New Mixed-Phase Cloud Microphysics Parameterization with SCAM, CAPT Forecasts and M-PACE Observations Download a printable PDF Submitter: Liu, X., University of Wyoming Area of Research: General Circulation and Single Column Models/Parameterizations Working Group(s): Cloud Modeling Journal Reference: Liu, X, S Xie, and SJ Ghan. 2007. "Evaluation of a new mixed-Phase cloud microphysics parameterization with the NCAR single column climate model (SCAM) and ARM M-PACE observations." Geophysical Research Letters 34, L23712, doi:10.1029/2007GL031446. Xie, S, J Boyle, SA Klein, X Liu and S Ghan. 2008. "Simulations of arctic mixed-phase clouds in forecasts with CAM3 and AM2 for M-PACE." Journal of Geophysical Research, in press.

24

Research Highlight  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

The Short and the Long of Storms: Tracing a Deep Convective System's Life The Short and the Long of Storms: Tracing a Deep Convective System's Life in the Midlatitude Download a printable PDF Submitter: Feng, Z., Pacific Northwest National Laboratory Area of Research: Cloud Processes Working Group(s): Cloud Life Cycle Journal Reference: Feng Z, X Dong, B Xi, S McFarlane, A Kennedy, B Lin, and P Minnis. 2012. "Life cycle of midlatitude deep convective systems in a Lagrangian framework." Journal of Geophysical Research - Atmospheres, 117(D23), D23201, doi:10.1029/2012JD018362. The life cycle of a convective system tracked by the automated tracking algorithm in the study domain. Time increases from the top left to the bottom right, and each image represents an hour. The colors represent regions given by the hybrid classification.

25

Research Highlight  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Precipitation Forecast Improved with a New Convective Triggering Mechanism Precipitation Forecast Improved with a New Convective Triggering Mechanism Download a printable PDF Submitter: Xie, S., Lawrence Livermore National Laboratory Zhang, M., Stony Brook University Area of Research: General Circulation and Single Column Models/Parameterizations Working Group(s): Cloud Modeling Journal Reference: Xie, S, and M Zhang. 2000. "Impact of the convective triggering function on single-column model simulations." Journal of Geophysical Research 105: 14983-14996. Six-hour accumulated precipitation valid at 12 UTC 18 July 2005. (a) Radar Observation, (b) DCAPE, (c) GSM without the DCAPE trigger, and (d) GSM with the DCAPE trigger. Considerable improvement of precipitation forecast is obtained by the GSM with the new trigger compared to the radar observation.

26

Research Highlight  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Hemispherical Simulations Show Impact of Aerosols on Cloud Reflectivity Hemispherical Simulations Show Impact of Aerosols on Cloud Reflectivity Submitter: Rotstayn, L., Commonwealth Scientific and Industrial Research Organization Area of Research: Aerosol Properties Working Group(s): Aerosol Journal Reference: Rotstayn, L., and Y. Liu, Sensitivity of the First Indirect Aerosol Effect to an Increase in Cloud Droplet Spectral Dispersion with Droplet Number Concentration, Journal of Climate: Vol. 16, No. 21, pp.3476-3481, May 2003. Figure 1. Measurements of the relation between the relative dispersion of the cloud droplet spectrum and the cloud droplet number concentration (N). The lower, middle, and upper curves show the parameterizations used in the LOWER, MIDDLE, and UPPER simulations, respectively. A recent study by DOE Atmospheric Radiation Measurement (ARM) Program

27

Research Highlight  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Micropulse Lidar-Derived Aerosol Optical Depth Climatology at ARM Sites Micropulse Lidar-Derived Aerosol Optical Depth Climatology at ARM Sites Worldwide Download a printable PDF Submitter: Kafle, D. N., University of California, Riverside Coulter, R. L., Argonne National Laboratory Area of Research: Aerosol Properties Working Group(s): Aerosol Life Cycle Journal Reference: Kafle DN and RL Coulter. 2013. "Micropulse lidar-derived aerosol optical depth climatology at ARM sites worldwide." Journal of Geophysical Research - Atmospheres, 118(13), 10.1002/jgrd.50536. Vertical profiles of multi-year annually averaged AOD (z) at different ARM sites: SGP, NSA, TWP, GRW, and FKB. Inset plots are the profiles of corresponding relative standard deviation, Srel (z). The corresponding 1-sigma measurement errors are given in horizontal bars.

28

Research Highlight  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Ice Heating Up Cold Clouds Ice Heating Up Cold Clouds Download a printable PDF Submitter: Ovchinnikov, M., Pacific Northwest National Laboratory Area of Research: Cloud Distributions/Characterizations Working Group(s): Cloud-Aerosol-Precipitation Interactions Journal Reference: Ovchinnikov M, A Korolev, and J Fan. 2011. "Effects of ice number concentration on dynamics of a shallow mixed-phase stratiform cloud." Journal of Geophysical Research - Atmospheres, 116, D00T06, doi:10.1029/2011JD015888. The mighty cloud ice crystal appears deceptively delicate but has the power to tip the balance between ice and water in Arctic clouds. This image of an ice crystal was obtained from a Cloud Particle Imager during ISDAC. The imager was mounted on aircraft flying through clouds at a speed of 100 m/s.

29

Research Highlight  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Critical Role of Cloud Drop Effective Radius >14 Micron Radius in Rain Critical Role of Cloud Drop Effective Radius >14 Micron Radius in Rain Initiation Download a printable PDF Submitter: Rosenfeld, D., The Hebrew University of Jerusalem Wang, H., Pacific Northwest National Laboratory Area of Research: Radiation Processes Working Group(s): Cloud-Aerosol-Precipitation Interactions Journal Reference: Rosenfeld D, H Wang, and PJ Rasch. 2012. "The roles of cloud drop effective radius and LWP in determining rain properties in marine stratocumulus." Journal of Geophysical Research - Atmospheres, 39, doi:10.1029/2012GL052028. The dependence of rain rate on cloud drop effective radius (re) near cloud top. The color scale is for the median value of column maximum rain rate in each joint bin of CWP-re (cloud liquid water path and cloud-top re).

30

Research Highlight  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

The Apparent Bluing of Aerosols Near Clouds The Apparent Bluing of Aerosols Near Clouds Download a printable PDF Submitter: Marshak, A., NASA - Goddard Space Flight Center Area of Research: Radiation Processes Working Group(s): Radiative Processes Journal Reference: Marshak, A, G Wen, JA Coakley, LA Remer, NG Loeb, and RF Cahalan. 2008. "A simple model of the cloud adjacency effect and the apparent bluing of aerosols near clouds." Journal of Geophysical Research 113, D14S17, doi: 10.1029/2007JD009196. (upper panel) A schematic two-layer model of a broken cloud field and Rayleigh scatterers. (lower panel) An example of the Poisson distribution of broken cloud fields with cloud fraction Ac = 0.3 for a 10 by 10 km area. For a cloud vertical thickness of 1 km, the left lower panel has cloud

31

Research Highlight  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Improving the Treatment of Radiation in Climate Models Improving the Treatment of Radiation in Climate Models Download a printable PDF Submitter: Delamere, J. S., Tech-X Corporation Area of Research: Radiation Processes Working Group(s): Aerosol Life Cycle, Cloud Life Cycle Journal Reference: Delamere JS, SA Clough, VH Payne, EJ Mlawer, DD Turner, and RR Gamache. 2010. "A far-infrared radiative closure study in the Arctic: Application to water vapor." Journal of Geophysical Research - Atmospheres, 115, D17106, 10.1029/2009JD012968. The mean AERI-ER radiances for a select set of cloud-free cases at NSA in 2007 are presented in the top panel. The bottom panel presents mean spectral differences between the measurements and model calculations. The red line demonstrates the differences when using the pre-RHUBC version of

32

Research Highlight  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Global Dimming and Brightening: an Update Beyond 2000 Global Dimming and Brightening: an Update Beyond 2000 Download a printable PDF Submitter: Long, C. N., Pacific Northwest National Laboratory Wild, M., Institute for Atmospheric and Climate Science - ETH Zurich Truessel, B., Institute for Atmospheric and Climate Science - ETH Zurich Ohmura, A., Swiss Federal Institute of Technology Koenig-Langlo, G., Alfred Wegener Institute Dutton, E. G., NOAA/OAR/ESRL Tsvetkov, A. V., World Radiation Data Centre Area of Research: Radiation Processes Working Group(s): Radiative Processes Journal Reference: Wild M, B Trüssel, A Ohmura, CN Long, G König-Langlo, EG Dutton, and A Tsvetkov. 2009. "Global dimming and brightening: An update beyond 2000." Journal of Geophysical Research - Atmospheres, 114, D00D13, 10.1029/2008JD011382.

33

Research Highlight  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Cloud Susceptibility Measures Potential Cloud Sensitivity to First Aerosol Cloud Susceptibility Measures Potential Cloud Sensitivity to First Aerosol Indirect Effect Download a printable PDF Submitter: Oreopoulos, L., NASA Platnick, S., NASA - Goddard Space Flight Center Area of Research: Cloud Distributions/Characterizations Working Group(s): Radiative Processes Journal Reference: Platnick, S, and L Oreopoulos. 2008. "Radiative susceptibility of cloudy atmospheres to droplet number perturbations: 1. Theoretical analysis and examples from MODIS." Journal of Geophysical Research doi:10.1029/2007JD009654, in press. Oreopoulos, L., and S. Platnick. 2008. Radiative susceptibility of cloudy atmospheres to droplet number perturbations: 2. Global analysis from MODIS, J. Geophys. Res., doi:10.1029/2007JD009655, in press. Theoretical calculations with a shortwave broadband radiative transfer

34

Research Highlight  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Estimating Fractional Sky Cover from Spectral Measurements Estimating Fractional Sky Cover from Spectral Measurements Download a printable PDF Submitter: Long, C. N., Pacific Northwest National Laboratory Min, Q., State University of New York, Albany Wang, T., State University of New York, Albany Duan, M., Institute of Atmospheric Physics/Chinese Academy of Science Area of Research: Cloud Distributions/Characterizations Working Group(s): Radiative Processes Journal Reference: Min Q, T Wang, CN Long, and M Duan. 2008. "Estimating fractional sky cover from spectral measurements." Journal of Geophysical Research - Atmospheres, 113, D20208, doi:10.1029/2008JD010278. Retrieved and observed cloud fractions and corresponding TSI cloud imagers on 8 July 2005 at Pt. Reyes. Scatterplot of retrieved cloud fraction from spectral ratio method and SW

35

Research Highlight  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Field Campaign Resource Allocation Using Statistical Decision Analysis Field Campaign Resource Allocation Using Statistical Decision Analysis Download a printable PDF Submitter: Hanlon, C., Pennsylvania State University Area of Research: Cloud Processes Working Group(s): Cloud Life Cycle Journal Reference: Hanlon CJ, JB Stefik, AA Small, J Verlinde, and GS Young. 2013. "Statistical decision analysis for flight decision support: The SPartICus campaign." Journal of Geophysical Research - Atmospheres, , . ACCEPTED. In many atmospheric science field campaigns, investigators are budgeted some number of flight hours to collect data under specific, imperfectly forecastable atmospheric conditions. In such field campaigns, investigators must assess atmospheric conditions each day and make a resource-allocation decision: are conditions good enough to use some of our scarce flight hours

36

Research Highlight  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Cloud-Resolving Model (CRM) Simulations: Robust Results for Use in Climate Cloud-Resolving Model (CRM) Simulations: Robust Results for Use in Climate Model Development Download a printable PDF Submitter: Fridlind, A. M., NASA - Goddard Institute for Space Studies Smith-Mrowiec, A. A., Columbia University/NASA Goddard Institute for Space Studies Area of Research: Cloud Processes Working Group(s): Cloud Life Cycle, Cloud-Aerosol-Precipitation Interactions Journal Reference: Mrowiec AA, C Rio, AM Fridlind, AS Ackerman, AD Del Genio, OM Pauluis, AC Varble, and J Fan. 2012. "Analysis of cloud-resolving simulations of a tropical mesoscale convective system observed during TWP-ICE: Vertical fluxes and draft properties in convective and stratiform regions." Journal of Geophysical Research, 117, D19201, doi:10.1029/2012JD017759.

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Research Highlight  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

A Downwelling Infrared Radiance Climatology for the ARM Southern Great A Downwelling Infrared Radiance Climatology for the ARM Southern Great Plains Site Download a printable PDF Submitter: Turner, D. D., National Oceanic and Atmospheric Administration Gero, J., University of Wisconsin Area of Research: Radiation Processes Working Group(s): Cloud Life Cycle Journal Reference: Turner DD and PJ Gero. 2011. "Downwelling infrared radiance temperature climatology for the Atmospheric Radiation Measurement Southern Great Plains site." Journal of Geophysical Research - Atmospheres, 116, D08212, doi:10.1029/2010JD015135. The distribution of downwelling 10-micron infrared radiance observed at the SGP site by the AERI from June 1996 to May 2010, separated into all-sky (all samples) and the three distinct sky classifications.

38

Research Highlight  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

A New Method for Satellite/Surface Comparisons A New Method for Satellite/Surface Comparisons Download a printable PDF Submitter: Long, C. N., Pacific Northwest National Laboratory Area of Research: Radiation Processes Working Group(s): Cloud Properties, Radiative Processes Journal Reference: Zhang Y, CN Long, WB Rossow, and EG Dutton. 2010. "Exploiting diurnal variations to evaluate the ISCCP-FD flux calculations and radiative-flux-analysis-processed surface observations from BSRN, ARM, and SURFRAD." Journal of Geophysical Research - Atmospheres, 115, D00K11, 10.1029/2009JD012812. Figure 1: Scatter plot for the column aerosol optical depth (AOD) at 550 nm, measured at the surface (PSO) and used as input for the ISCCP-FD calculations (FD) at 10 ARM/SURFRAD/BSRN stations. The robust linear regression line is also shown.

39

Research Highlight  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

The Surprisingly Large Contribution of Small Marine Clouds to Cloud The Surprisingly Large Contribution of Small Marine Clouds to Cloud Fraction and Reflectance Download a printable PDF Submitter: Oreopoulos, L., NASA Feingold, G., NOAA - Earth System Research Laboratory Koren, I., Weizmann Institute of Science Remer, L., NASA - GSFC, Laboratory for Atmospheres Area of Research: Clouds with Low Optical [Water] Depths (CLOWD) Working Group(s): Cloud Properties Journal Reference: Koren, I, L Oreopoulos, G Feingold, LA Remer, and O Altaratz. 2008. "How small is a small cloud?" Atmospheric Chemistry and Physics Journal, in press Cloud mask for a sparse cumulus cloud field as inferred by using the same threshold at four different spatial resolutions. The upper-left panel is for the original Landsat resolution and the lower-right panel is for a

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Remote Sensing of Cirrus Cloud Vertical Size Profile Using MODIS Data Remote Sensing of Cirrus Cloud Vertical Size Profile Using MODIS Data Download a printable PDF Submitter: Ou, S., University of California, Los Angeles Area of Research: Cloud Distributions/Characterizations Working Group(s): Cloud Properties Journal Reference: Wang X, KN Liou, SS Ou, GG Mace, and M Deng. 2009. "Remote sensing of cirrus cloud vertical size profile using MODIS data." Journal of Geophysical Research - Atmospheres, 114, D09205, doi:10.1029/2008JD011327. (a) MODIS true color composite images for March 6, 2001 at 1736UTC, (b) retrieved Τc; (c) retrieved Dt for selected domain; (d) retrieved Db for selected domain; (e) scatter plot for retrieved Τc versus MODIS Τc for selected domain; (f) scatter plot for retrieved De versus MODIS De for

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While these samples are representative of the content of NLEBeta,
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We encourage you to perform a real-time search of NLEBeta
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41

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Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Millimeter Wave Scattering from Ice Crystals and Their Aggregates Millimeter Wave Scattering from Ice Crystals and Their Aggregates Download a printable PDF Submitter: Botta, G., Pennsylvania State University Verlinde, J., Pennsylvania State University Area of Research: Radiation Processes Working Group(s): Cloud Life Cycle Journal Reference: Botta G, K Aydin, J Verlinde, A Avramov, A Ackerman, A Fridlind, M Wolde, and G McFarquhar. 2011. "Millimeter wave scattering from ice crystals and their aggregates: Comparing cloud model simulations with X- and Ka-band radar measurements." Journal of Geophysical Research - Atmospheres, 116, D00T04, doi:10.1029/2011JD015909. Observational data sets are needed to drive and evaluate results from cloud-resolving model (CRM) simulations in order to improve parameterizations of the physical processes. Radar is one of the few

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Remote Sensing of Mineral Dust Using AERI Remote Sensing of Mineral Dust Using AERI Download a printable PDF Submitter: Hansell, R. A., University of California, Los Angeles Area of Research: Radiation Processes Working Group(s): Aerosol Journal Reference: Hansell R, KN Liou, SC Ou, SC Tsay, Q Ji, and JS Reid. 2008. "Remote sensing of mineral dust aerosol using AERI during the UAE2: A modeling and sensitivity study." Journal of Geophysical Research - Atmospheres, 113, D18202, doi:10.1029/2008JD010246. BT sensitivity to dust optical depth at 962 cm-1 with markers denoting locations of AERI subbands 1-17 from left to right. (a) Volz compact hexagon model spectra for four optical depths with best fit AERI spectrum. (b) Same as (a) but for a kaolinite/50% calcium carbonate mixturedust model.

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The Evolution and Distribution of Water Vapor and Microphysical Properties The Evolution and Distribution of Water Vapor and Microphysical Properties in Cirrus Clouds Download a printable PDF Submitter: Comstock, J. M., Pacific Northwest National Laboratory Area of Research: Radiation Processes Working Group(s): Cloud Modeling, Cloud Properties Journal Reference: Comstock JM, R Lin, DO Starr, and P Yang. 2008. "Understanding ice supersaturation, particle growth, and number concentration in cirrus clouds." Journal of Geophysical Research - Atmospheres, 113, D23211, doi:10.1029/2008JD010332. Vertical velocity (Vm) derived from millimeter cloud radar (MMCR) Doppler velocity measurements in cirrus clouds observed over the ACRF SGP site. Cloud model simulations of cirrus clouds using large-scale forcing (left panel) and cloud-scale forcing (right panel).

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Quantifying the Impact of Dust on Ice Generation in Supercooled Stratiform Quantifying the Impact of Dust on Ice Generation in Supercooled Stratiform Clouds Download a printable PDF Submitter: Wang, Z., University of Wyoming Zhang, D., University of Wyoming Area of Research: Cloud-Aerosol-Precipitation Interactions Working Group(s): Cloud-Aerosol-Precipitation Interactions Journal Reference: Zhang D, Z Wang, A Heymsfield, J Fan, D Liu, and M Zhao. 2012. "Quantifying the impact of dust on heterogeneous ice generation in midlevel supercooled stratiform clouds." Journal of Geophysical Research - Atmospheres, 39, L18805, doi:10.1029/2012GL052831. An example of dusty MSSC: (a) CALIOP TAB profiles at 532nm; (b) CALIOP depolarization profiles at 532nm; (c) CloudSat CPR radar reflectivity profiles; (d) Identified dust layers and MSSC; (e) Global distribution of

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Research Highlight  

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Wide Angle Imaging Lidar: Active Optical Sensor Technology for Ground-Based Wide Angle Imaging Lidar: Active Optical Sensor Technology for Ground-Based Probing of Dense Clouds Download a printable PDF Submitter: Davis, A. B., Jet Propulsion Laboratory Area of Research: Cloud Distributions/Characterizations Working Group(s): Cloud Properties Journal Reference: Davis, AB. 2008. "Multiple-scattering lidar from both sides of the clouds: Addressing internal structure." Journal of Geophysical Research 113, D14S10, doi:10.1029/2007JD009666. Figure 1. Lidar observations of a dense cloud. Left: standard (single-scattering/on-beam) lidar. Right: multiple-scattering/off-beam lidar. Note the extreme narrowness of the FOV in the standard case, as is required to restrict as much as possible the signal to a single backscatter. Also note the weak penetration, O(1) MFP, of the two-way

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Research Highlight  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Vertical Variation of Cloud Droplet Size Using Ship and Space-borne R/S Vertical Variation of Cloud Droplet Size Using Ship and Space-borne R/S Data Download a printable PDF Submitter: Li, Z., University of Maryland Chen, R., University of Maryland Wood, R., University of Washington Chang, F., Science Systems and Applications, Inc. Ferraro, R., NOAA/NESDIS, WWBG Area of Research: Cloud Distributions/Characterizations Working Group(s): Cloud Properties Journal Reference: Chen, R, R Wood, Z Li, R Ferraro, and F Chang. 2008. "Studying the vertical variation of cloud droplet effective radius using ship and space-borne remote sensing data." Journal of Geophysical Research 113, doi:10.1029/2007JD009596. Figure 1. Coincident images of C-band radar reflectivity and MODIS cloud profile at UTC 15:55, Oct. 18, 2001. a) RHB C-band radar reflectivity

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Research Highlight  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Continuous Clear-Sky Longwave from Surface Measurements Continuous Clear-Sky Longwave from Surface Measurements Download a printable PDF Submitter: Long, C. N., Pacific Northwest National Laboratory Turner, D. D., National Oceanic and Atmospheric Administration Area of Research: Radiation Processes Working Group(s): Radiative Processes Journal Reference: Long, CN, and DD Turner. 2008. "A method for continuous estimation of clear-sky downwelling longwave radiative flux developed using ARM surface measurements." Journal of Geophysical Research 113, D18206, doi:10.1029/2008JD009936. Comparison of clear-sky RT model calculations (black) and our estimates (gray) with detected LW effective clear-sky measurements from the ACRF SGP site from 1 March through 31 May 2003, showing that our LW estimates do as well as detailed model calculations in comparison with actual LW

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ARM M-PACE Data Used to Evaluate and Improve Arctic Mixed-Phase Clouds ARM M-PACE Data Used to Evaluate and Improve Arctic Mixed-Phase Clouds Simulated in Climate Models Download a printable PDF Submitter: Xie, S., Lawrence Livermore National Laboratory Area of Research: General Circulation and Single Column Models/Parameterizations Working Group(s): Cloud Modeling Journal Reference: Xie, S, J Boyle, SA Klein, X Liu, and S Ghan. 2008. "Simulations of Arctic mixed-phase clouds in forecasts with CAM3 and AM2 for M-PACE." Journal of Geophysical Research 113, D04211, doi:10.1029/2007JD009225. Time-height cross sections of active remote sensing cloud layer (ARSCL) cloud frequency (a) and modeled cloud fraction (b) CAM3, (c) AM2, and (d) CAM3LIU at Barrow during M-PACE. The unit is %. Liquid fraction as a function of cloud height. (a) UND citation data, (b)

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Research Highlight  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

How Aerosols Affect Cloud Properties in Arctic Mixed-Phase Stratocumulus How Aerosols Affect Cloud Properties in Arctic Mixed-Phase Stratocumulus Download a printable PDF Submitter: McFarquhar, G., University of Illinois, Urbana Area of Research: Cloud-Aerosol-Precipitation Interactions Working Group(s): Cloud-Aerosol-Precipitation Interactions Journal Reference: Jackson RC, GM McFarquhar, AV Korolev, ME Earle, PS Liu, RP Lawson, S Brooks, M Wolde, A Laskin, and M Freer. 2012. "The dependence of ice microphysics on aerosol concentration in arctic mixed-phase stratus clouds during ISDAC and M-PACE." Journal of Geophysical Research - Atmospheres, 117, D15207, doi:10.1029/2012JD017668. Cloud mean ice crystal concentration Nice(D ≥ 50 micrometers) versus mean aerosol concentration (NPCASP) above cloud for all 41 vertical profiles

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Research Highlight  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

CCN and Vertical Velocity Influences CCN and Vertical Velocity Influences Submitter: Hudson, J. G., Desert Research Institute Area of Research: Cloud-Aerosol-Precipitation Interactions Working Group(s): Cloud-Aerosol-Precipitation Interactions Journal Reference: Hudson JG and S Noble. 2013. "CCN and vertical velocity influences on droplet concentrations and supersaturations in clean and polluted stratus clouds." Journal of the Atmospheric Sciences, , . ACCEPTED. Figure 1. Effective cloud supersaturation (Seff) against CCN concentration at 1% S (N1%) for horizontal cloud penetrations, 50 for MASE and 34 for POST. Seff is the S for which nearby below cloud CCN spectra, NCCN(S), equals mean droplet concentration (Nc). Figure 2. One second droplet concentration, Nc, and vertical velocity

51

Research Highlight  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Aerosols Help Heat Up the Yangtze River Delta in China Aerosols Help Heat Up the Yangtze River Delta in China Download a printable PDF Submitter: Flynn, C. J., Pacific Northwest National Laboratory Area of Research: Aerosol Properties Working Group(s): Aerosol Life Cycle Journal Reference: Liu J, Z Li, Y Zheng, C Flynn, and M Cribb. 2012. "Seasonal variations of aerosol optical properties, vertical distribution and associated radiative effects in the Yangtze Delta region of China." Journal of Geophysical Research, 117, D00K38, doi:10.1029/2011JD016490. A team of scientists found that aerosols significantly alter the vertical profile of solar heating in the central Yangtze River Delta region in eastern China. Aerosols were identified from as far away as Mongolia and Siberia. These findings have considerable implications for atmospheric

52

Research Highlight  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Structure of Cirrus Properties and Its Coupling with the State of the Structure of Cirrus Properties and Its Coupling with the State of the Large-Scale Atmosphere Download a printable PDF Submitter: Ivanova, K., Pennsylvania State University Ackerman, T. P., University of Washington Area of Research: Atmospheric Thermodynamics and Vertical Structures Working Group(s): Cloud Properties Journal Reference: Ivanova K and TP Ackerman. 2009. "Tracking nucleation-growth-sublimation in cirrus clouds using ARM millimeter wavelength radar observations." Journal of Geophysical Research - Atmospheres, , D06113, 10.1029/2008JD010271. Figure 1. Values of the drift and diffusion coefficients of the Fokker-Planck equation derived from the MMCR radar reflectivity observations. The diffusion coefficient characterizes the small scale, fast

53

Research Highlight  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Climatology of Aerosol Optical Depth in North-Central Oklahoma: Climatology of Aerosol Optical Depth in North-Central Oklahoma: 1992-2008 Download a printable PDF Submitter: Michalsky, J. J., DOC/NOAA/OAR/ESRL Area of Research: Aerosol Properties Working Group(s): Aerosol Life Cycle Journal Reference: Michalsky J, F Denn, C Flynn, G Hodges, P Kiedron, A Koontz, J Schlemmer, and SE Schwartz. 2010. "Climatology of aerosol optical depth in north-central Oklahoma: 1992-2008." Journal of Geophysical Research - Atmospheres, 115, D07203, doi: 10.1029/2009JD012197. Box plots of each complete year\'s daily averaged aerosol optical depth (AOD) at 500 nm. The dark horizontal line in each box plot is the median daily averaged AOD for the year; the top and bottom of the rectangular box spans the middle 50% of the data. The mean values for the year are plotted

54

Research Highlight  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Variations of Meridional Aerosol Distribution and Solar Dimming Variations of Meridional Aerosol Distribution and Solar Dimming Download a printable PDF Submitter: Long, C. N., Pacific Northwest National Laboratory Kishcha, P., Tel-Aviv University Starobinets, B., Tel-Aviv University Kalashnikova, O., Jet Propulsion Laboratory Alpert, P., Tel-Aviv University Area of Research: Radiation Processes Working Group(s): Aerosol, Radiative Processes Journal Reference: Kishcha P, B Starobinets, O Kalashnikova, CN Long, and P Alpert. 2009. "Variations of meridional aerosol distribution and solar dimming." Journal of Geophysical Research - Atmospheres, 114, D00D14, 10.1029/2008JD010975. The distribution of four-year aerosol differences (δAOT/δFAOT) between the last four years (March 2004 - February 2008) and the first four years

55

Research Highlight  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Understanding Ice Formation in Arctic Mixed-Phase Boundary-Layer Clouds Understanding Ice Formation in Arctic Mixed-Phase Boundary-Layer Clouds During ISDAC Download a printable PDF Submitter: Ackerman, A., NASA - Goddard Institute for Space Studies Fridlind, A. M., NASA - Goddard Institute for Space Studies Area of Research: Cloud Distributions/Characterizations Working Group(s): Cloud-Aerosol-Precipitation Interactions Journal Reference: Avramov A, AS Ackerman, AM Fridlind, B van Diedenhoven, G Botta, K Aydin, J Verlinde, KV Alexei, W Strapp, GM McFarquhar, R Jackson, SD Brooks, A Glen, and M Wolde. 2011. "Towards ice formation closure in Arctic mixed-phase boundary layer clouds during ISDAC." Journal of Geophysical Research - Atmospheres, 116, D00T08, doi:10.1029/2011JD015910. Ice number size distributions as simulated (dendrites in red, aggregates in

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TOA Radiation Budget of Convective Core/Stratiform Rain/Anvil Clouds from TOA Radiation Budget of Convective Core/Stratiform Rain/Anvil Clouds from Deep Convection Download a printable PDF Submitter: Feng, Z., Pacific Northwest National Laboratory Dong, X., University of North Dakota Area of Research: Cloud Distributions/Characterizations Working Group(s): Cloud Life Cycle Journal Reference: Feng Z, XQ Dong, BK Xi, C Schumacher, P Minnis, and M Khaiyer. 2011. "Top-of-atmosphere radiation budget of convective core/stratiform rain and anvil clouds from deep convective systems." Journal of Geophysical Research - Atmospheres, 116, D23202, doi:10.1029/2011JD016451. An example of the hybrid classification process. (a) GOES IR temperature, (b) NEXRAD radar reflectivity at 2.5 km MSL, (c) cloud patch segmentation from GOES IR temperature (the color patches are identified as deep

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Research Highlight  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Shortwave Absorption in Tropical Clouds Shortwave Absorption in Tropical Clouds Download a printable PDF Submitter: McFarlane, S. A., U.S. Department of Energy Mather, J. H., Pacific Northwest National Laboratory Ackerman, T. P., University of Washington Liu, Z., University of Washington Area of Research: Cloud Distributions/Characterizations Working Group(s): Radiative Processes Journal Reference: McFarlane, SA, JH Mather, TP Ackerman, and Z Liu. 2008. "Effect of clouds on the vertical distribution of SW absorption in the Tropics." Journal of Geophysical Research, in press. Daily average all-sky and clear-sky calculated SW column absorption at Manus and Nauru. On average, there is little difference in absorption between the all-sky and clear-sky conditions because of the compensating

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Broadband Albedo Observations in the Southern Great Plains Broadband Albedo Observations in the Southern Great Plains Submitter: Lamb, P. J., University of Oklahoma Area of Research: Aerosol Properties Working Group(s): Aerosol Journal Reference: Journal of Applied Meteorology and Climatology, Vol. 45, 2006, pp. 210-235. Figure 1 Figure 2 Because surface reflection of solar radiation plays a fundamental role in the surface energy budget, knowledge of its spatial and temporal variability is important for understanding the weather and climate of a specific region. Research instrumentation at the U.S. Southern Great Plains site-one of three locales around the world managed by the U.S. Department of Energy's Atmospheric Radiation Measurement Program-continuously collects these types of data to help scientist investigate differences in

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Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Direct Aerosol Forcing: Calculation from Observables and Sensitivities to Direct Aerosol Forcing: Calculation from Observables and Sensitivities to Inputs Download a printable PDF Submitter: McComiskey, A. C., National Oceanic and Atmospheric Administration Area of Research: Aerosol Properties Working Group(s): Aerosol Journal Reference: McComiskey, A, SE Schwartz, B Schmid, H Guan, ER Lewis, P Ricchiazzi, and JA Ogren. 2008. "Direct aerosol forcing: Calculation from observables and sensitivities to inputs." Journal of Geophysical Research 113, D09202, doi:10.1029/2007JD009170. Figure 1. The sensitivity of calculated aerosol direct radiative forcing to input parameters has been examined to determine the consequences of uncertainties in these input parameters on calculated radiative forcing and to identify areas where measurements might be most profitably improved. Input

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Evaluate the Diurnal Cycle in the Multiscale Modeling Framework Using Evaluate the Diurnal Cycle in the Multiscale Modeling Framework Using Satellite and ARM Data Download a printable PDF Submitter: Zhang, Y., Lawrence Livermore National Laboratory Klein, S., Lawrence Livermore National Laboratory Area of Research: General Circulation and Single Column Models/Parameterizations Working Group(s): Cloud Modeling Journal Reference: Zhang, Y, SA Klein, C Liu, B Tian, RT Marchand, JM Haynes, RB McCoy, Y Zhang, and TP Ackerman. 2008. "On the diurnal cycle of deep convection, high-level cloud, and upper troposphere water vapor in the Multiscale Modeling Framework." Journal of Geophysical Research 113, D16105, doi:10.1029/2008JD009905. Figure 1: Diurnal anomalies for tropical (left) ocean and (right) land: (top) the precipitation index (PI), high-level cloud (CLD) and upper

Note: This page contains sample records for the topic "research highlights journal" 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

Research Highlight  

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Exploring Parameterization for Turbulent Entrainment-Mixing Processes in Exploring Parameterization for Turbulent Entrainment-Mixing Processes in Clouds Download a printable PDF Submitter: Liu, Y., Brookhaven National Laboratory Lu, C., Brookhaven National Laboratory Area of Research: Cloud-Aerosol-Precipitation Interactions Working Group(s): Cloud Life Cycle, Cloud-Aerosol-Precipitation Interactions Journal Reference: Lu C, S Niu, S Krueger, and T Wagner. 2013. "Exploring parameterization for turbulent entrainment-mixing processes in clouds." Journal of Geophysical Research - Atmospheres, 118(1), doi:10.1029/2012JD018464. Relationships between the three microphysical measures of homogeneous mixing degree (ψ1, ψ2, ψ3) and the two transition scale numbers (NLa, NL0), respectively. The results shown here are from the EMPM simulations.

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Surface Summertime Radiative Forcing by Shallow Cumuli at the ARM SGP Surface Summertime Radiative Forcing by Shallow Cumuli at the ARM SGP Download a printable PDF Submitter: Berg, L., Pacific Northwest National Laboratory Area of Research: Radiation Processes Working Group(s): Cloud Life Cycle Journal Reference: Berg LK, EI Kassianov, CN Long, and DL Mills. 2011. "Surface summertime radiative forcing by shallow cumuli at the ARM SGP." Journal of Geophysical Research - Atmospheres, 116, D01202, 10.1029/2010JD014593. Histogram of hourly average shortwave CRF (black) and longwave CRF (red) for all periods with shallow cumuli. (a) Hourly average shortwave CRF (circles), binned shortwave CRF (squares); (b) total number of hourly averages for each sky cover bin; and (c) the change in shortwave TED as a function of sky cover for all hours with

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Research Highlight  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Classifying Cloud Phase Classifying Cloud Phase Download a printable PDF Submitter: Shupe, M., University of Colorado Area of Research: Cloud Distributions/Characterizations Working Group(s): Cloud Properties Journal Reference: Shupe, MD. 2007. "A ground-based multisensory cloud phase classifier." Geophysical Research Letters 34, L22809, doi:10.1029/2007GL031008. Observations of (a) lidar backscatter, (b) lidar depolarization ratio, (c) radar reflectivity, (d) radar mean Doppler velocity, (e) radar Doppler spectrum width, (f) microwave radiometer-derived liquid water path, and (g) the resulting multisensor cloud-phase classification mask. Cloud phase identification is a necessary prerequisite to performing cloud property retrievals from remote sensor measurements. Most retrieval

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Lord of the Wings: Elevated Particles a Rising Star Lord of the Wings: Elevated Particles a Rising Star Download a printable PDF Submitter: Kassianov, E., Pacific Northwest National Laboratory Area of Research: Radiation Processes Working Group(s): Aerosol Life Cycle Journal Reference: Kassianov E, C Flynn, J Redemann, B Schmid, PB Russell, and A Sinyuk. 2012. "Initial assessment of the Spectrometer for Sky-Scanning, Sun-Tracking Atmospheric Research (4STAR)-based aerosol retrieval: Sensitivity study." Atmosphere, 3, doi:10.3390/atmos3040495. The 4STAR instrument. The 4STAR instrument (inset) is installed through the upper hull of the PNNL G-1 research aircraft, for in-flight sun-tracking and sky light-scanning. Researchers at Pacific Northwest National Laboratory, in collaboration with colleagues at NASA Ames Research Center, developed a next-generation

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Research Highlight  

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Ice Nuclei and Global Warming Ice Nuclei and Global Warming Download a printable PDF Submitter: Zeng, X., NASA - Goddard Space Flight Center Tao, W., NASA - Goddard Space Flight Center Zhang, M., Stony Brook University Hou, A., NASA - Goddard Space Flight Center Xie, S., Lawrence Livermore National Laboratory Lang, S. E., NASA - Goddard Space Flight Center Li, X., University of Maryland, Baltimore County Starr, D. O., NASA - Goddard Space Flight Center Area of Research: General Circulation and Single Column Models/Parameterizations Working Group(s): Cloud Modeling Journal Reference: Zeng X, WK Tao, M Zhang, AY Hou, S Xie, S Lang, X Li, DO Starr, and X Li. 2009. "A contribution by ice nuclei to global warming." Quarterly Journal Royal Meteorological Society, EARLY VIEW, doi:10.1002/qj.449.

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Preferred States of the Winter Arctic Atmosphere, Surface, and Sub-Surface Preferred States of the Winter Arctic Atmosphere, Surface, and Sub-Surface Download a printable PDF Submitter: Del Genio, A. D., NASA Area of Research: Surface Properties Working Group(s): Cloud Life Cycle Journal Reference: Stramler K, AD Del Genio, and WB Rossow. 2011. "Synoptically driven Arctic winter states." Journal of Climate, 24(6), doi:10.1175/2010JCLI3817.1. SHEBA winter hourly surface net (down - up) longwave radiation flux versus surface temperature. Blue circles indicate times when a combined radar-lidar cloud detection indicated clear skies, and red plus signs indicate times when clouds were detected. Time series of SHEBA winter hourly temperatures at the atmospheric temperature inversion altitude (magenta), surface (black), snow-sea ice

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Research Highlight  

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Seasonal Variation of the Physical Properties of Marine Boundary Clouds Seasonal Variation of the Physical Properties of Marine Boundary Clouds Download a printable PDF Submitter: Zhang, M., Stony Brook University Area of Research: Cloud Distributions/Characterizations Working Group(s): Cloud Modeling, Cloud Properties Journal Reference: Lin W, M Zhang, and NG Loeb. 2009. "Seasonal variation of the physical properties of marine boundary layer clouds off the California coast." Journal of Climate, 22(10), doi:10.1175/2008JCLI2478.1. Image (a). Seasonal contrast of marine boundary-layer clouds between (a) summer (above) and (b) winter (below) off the California coast. Shown are cloud amount in the shaded box, cloud top and base heights and lifting condensation level (LCL) to the left, and cloud thickness and adiabatic

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The Vertical Structure of Cloud Radiative Forcing at the ACRF SGP Revealed The Vertical Structure of Cloud Radiative Forcing at the ACRF SGP Revealed by 8 Years of Continuous Measurements Submitter: Mace, G., Utah State University Area of Research: Cloud Distributions/Characterizations Working Group(s): Cloud Modeling, Cloud Properties Journal Reference: Accepted to Journal of Climate, 2007. Figure 1. Cloud occurrence, coverage, radiative forcing, and radiation effects over a composite annual cycle that is derived by averaging all observations collected during a particular month for all years. a) cloud occurrence in 100 mb vertical bins, b) cloud coverage, c) infrared cloud radiative forcing in 100 mb vertical bins, d) solar cloud radiative forcing, e) net cloud radiative forcing, f,g,h) solar (dotted), IR (solid), and net (dashed) cloud radiative effect for TOA (f), atmosphere (g), and

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Single-Scattering Properties of Aggregates of Plates Single-Scattering Properties of Aggregates of Plates Download a printable PDF Submitter: Um, J., University of Illinois, Urbana McFarquhar, G., University of Illinois, Urbana Area of Research: Cloud Distributions/Characterizations Working Group(s): Radiative Processes Journal Reference: Um J and GM McFarquhar. 2009. "Single-scattering properties of aggregates of plates." Quarterly Journal Royal Meteorological Society, 135(639), 10.1002/qj.378. Aggregates of plates imaged by Cloud Particle Imager (left panel) and idealized geometry of aggregates of plates with AI=0.61 (right panel). Asymmetry parameter (g) at λ=0.55 μm of 80 different aggregates of seven 100 μm plates attached together, as functions of (a) AI, (b) 1-AR, and (c) An. The correlation coefficient and constants for a fitting equation,

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A Finer Mesh to Improve Cloud Representation in Climate Models? A Finer Mesh to Improve Cloud Representation in Climate Models? Submitter: Bhattacharya, A., Pacific Northwest National Laboratory Area of Research: Cloud Processes Working Group(s): Cloud Life Cycle Journal Reference: Boutle IA, SJ Abel, PG Hill, and CJ Morcrette. 2013. "Spatial variability of liquid cloud and rain: observations and microphysical effects." Quarterly Journal Royal Meteorological Society, , doi:10.1002/qj.2140. Different sizes of water droplets as well as varying water content dramatically alter cloud properties-often at a resolution finer than is currently in use by most climate models. Although clouds can extend for several kilometers, their properties-for example, liquid and rainwater content-can change dramatically over very

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Different Strokes for Different Folks-Not Any More, Say Scientists at the Different Strokes for Different Folks-Not Any More, Say Scientists at the UK Met Office Submitter: Bhattacharya, A., Pacific Northwest National Laboratory Area of Research: Cloud Processes Working Group(s): Cloud Life Cycle Journal Reference: Morcrette CJ, EJ O'Connor, and JC Petch. 2012. "Evaluation of two cloud parametrization schemes using ARM and Cloud-Net observations." Quarterly Journal Royal Meteorological Society, 138(665), doi:10.1002/qj.969. Integrating different metrics-and their errors and biases-used in weather and climate models may improve predictions by both types of models. What works for the weather models does not for climate models. Devising a common language, which translates into integrating the slew of metrics that the weather and climate science community uses, could be a way to improve

72

Research Highlight  

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Cloud Survey over West Africa Reveals Climate Impact of Mid-Level Clouds Cloud Survey over West Africa Reveals Climate Impact of Mid-Level Clouds Submitter: Bhattacharya, A., Pacific Northwest National Laboratory Area of Research: Cloud Processes Working Group(s): Cloud Life Cycle Journal Reference: Bouniol D, F Couvreux, PH Kamsu-Tamo, M Leplay, F Guichard, F Favot, and EJ O'Connor. 2012. "Diurnal and seasonal cycles of cloud occurrences, types, and radiative impact over West Africa." Journal of Applied Meteorology and Climatology, 51(3), doi:10.1175/JAMC-D-11-051.1. Clouds occurring at different levels in the sky have varying impacts on Earth's energy budget. Clouds with bases between five and seven kilometers above the Earth's surface, also known as mid-level clouds, occur over West Africa all year-round and may have major impacts on the Earth's energy budget,

73

Research Highlight  

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Cloud Phase Determination Using Ground-Based AERI Observations at SHEBA Cloud Phase Determination Using Ground-Based AERI Observations at SHEBA Submitter: Turner, D. D., National Oceanic and Atmospheric Administration Area of Research: General Circulation and Single Column Models/Parameterizations Working Group(s): Cloud Properties Journal Reference: Turner, D.D., S.A. Ackerman, B.A. Baum, H.E. Revercomb, and P. Yang, 2003: "Cloud Phase Determination Using Ground-Based AERI Observations at SHEBA," Journal of Applied Meteorology 42(6):701-715. The SHEBA experiment in Barrow, Alaska used data collected by the ground-based radiation observations from the Atmospheric Emitted Radiance Interferometer (AERI). (Photo Credit: SHEBA Project Office) Key Contributors: S.A. Ackerman, B.A. Baum, H.E. Revercomb, P. Yang, In the frigid environs of the Acrtic, ARM scientists at the North Slope of

74

Research Highlight  

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An Application of Linear Programming Techniques to ARM Polarimetric Radar An Application of Linear Programming Techniques to ARM Polarimetric Radar Processing Download a printable PDF Submitter: Giangrande, S., Brookhaven National Laboratory Area of Research: Cloud Processes Working Group(s): Cloud Life Cycle Journal Reference: Giangrande SE, R McGraw, and L Lei. 2013. "An application of linear programming to polarimetric radar differential phase processing." Journal of Atmospheric and Oceanic Technology, , . ACCEPTED. C-band scanning ARM precipitation radar fields of radar reflectivity factor Z and processed specific differential phase KDP for a section of a Midlatitude Continental Convective Clouds Experiment (MC3E) convective event as output from LP methods implemented for the ARM PyART processing suite. Detailed microphysical insights from weather radar systems are in demand

75

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Global Variability of Mesoscale Convective System Anvil Structure from Global Variability of Mesoscale Convective System Anvil Structure from A-train Satellite Data Submitter: Yuan, J., University of Washington Houze, R., University of Washington Area of Research: Cloud Distributions/Characterizations Working Group(s): Cloud Properties Journal Reference: Yuan J and RA Houze. 2010. "Global variability of mesoscale convective system anvil structure from A-train satellite data." Journal of Climate, 23, 5864-5888. Figure. 1 Annual mean (2007) climatology of anvil clouds associated with (a) small separated MCSs (<12000 km^2, the smallest 25%), (b) large separated MCSs (>40000 km^2, the largest 25%), and (c) connected MCSs. The color indicates percentage of area covered by MCS anvil clouds for each 5°x5° grid. In the tropics, upper-level clouds containing ice and mixtures of ice and

76

Research Highlight  

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Power in the Vertical: Using Wind Profiler Data to Study Precipitation Power in the Vertical: Using Wind Profiler Data to Study Precipitation Download a printable PDF Submitter: Kollias, P., McGill University Area of Research: Radiation Processes Working Group(s): Cloud Life Cycle Journal Reference: Tridon F, A Battaglia, P Kollias, E Luke, and C Williams. 2013. "Signal post-processing and reflectivity calibration of the Atmospheric Radiation Measurement Program 915 MHz wind profilers." Journal of Atmospheric and Oceanic Technology, 30(6), doi:10.1175/JTECH-D-12-00146.1. Because ARM's wind profilers (foreground) can take vertical as well as horizontal measurements, the instruments can be used with appropriate processing and calibration to help study rainfall. For more than two decades, radar wind profilers of the U.S. Department of

77

Research Highlight  

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Optimal Method to Determine Orientation Average of Scattering Properties of Optimal Method to Determine Orientation Average of Scattering Properties of Ice Crystals Download a printable PDF Submitter: Um, J., University of Illinois, Urbana McFarquhar, G., University of Illinois, Urbana Area of Research: Radiation Processes Working Group(s): Cloud Life Cycle Journal Reference: Um J and GM McFarquhar. 2013. "Optimal numerical methods for determining the orientation averages of single-scattering properties of atmospheric ice crystals." Journal of Quantitative Spectroscopy & Radiative Transfer, 127, doi:10.1016/j.jqsrt.2013.05.020. Fig.1. Idealized shapes of ice crystals used in this study: (a) Gaussian random sphere (GS), (b) droxtal (DX), (c) budding Bucky ball (3B), and (d) column (COL). All models are visualized with dipoles. For (b), (c), and (d)

78

Research Highlight  

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Five-Year Statistics of Shallow Clouds at the ACRF SGP Site Five-Year Statistics of Shallow Clouds at the ACRF SGP Site Download a printable PDF Submitter: Berg, L., Pacific Northwest National Laboratory Kassianov, E., Pacific Northwest National Laboratory Area of Research: Cloud Distributions/Characterizations Working Group(s): Cloud Modeling Journal Reference: Berg, LK, and EI Kassianov. 2008. "Temporal variability of fair-weather cumulus statistics at the ARM SGP site." Journal of Climate 21, 3344-3358. Figure 1. Five-year mean ARSCL VAP values of cloud fraction (black), cloud-base height (orange circles), cloud-top height (red), cloud thickness (blue), and cloud-chord length (green), and their average daily bias for each year (B) and low-altitude moisture (C). While fair-weather clouds (FWC) are small in size, they are ubiquitous,

79

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Using Copulas to Model Complex Clouds Using Copulas to Model Complex Clouds Download a printable PDF Submitter: Oreopoulos, L., NASA Norris, P. M., NASA - GMAO/UMBC - GEST Hou, A., NASA - Goddard Space Flight Center Tao, W., NASA - Goddard Space Flight Center Zeng, X., NASA - Goddard Space Flight Center Area of Research: Cloud Distributions/Characterizations Working Group(s): Cloud Modeling Journal Reference: Norris PM, L Oreopoulos, AY Hou, WK Tao, and X Zeng. 2008. "Representation of 3D heterogeneous cloud fields using copulas: Theory for water clouds." Quarterly Journal Royal Meteorological Society, 134(636), doi:10.1002/qj.321. Contours containing (brown-80%, orange-60%, cyan-40%, and blue-20%) of the joint inter-layer S probability, such that the probability densities within each contour are larger than those outside. Thick contours are from the GCE

80

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Performance of Longwave Radiative Transfer Models for 3D Cloud Fields Performance of Longwave Radiative Transfer Models for 3D Cloud Fields Download a printable PDF Submitter: Kablick III, G. P., University of Maryland Ellingson, R. G., Florida State University Area of Research: Radiation Processes Working Group(s): Cloud Life Cycle Journal Reference: Kablick III GP, RG Ellingson, EE Takara, and J Gu. 2011. "Longwave 3D benchmarks for inhomogeneous clouds and comparisons with approximate methods." Journal of Climate, 24, doi:10.1175/2010JCLI3752.1. The respective flux and heating rate errors (model-3DMC) for (a),(b) ATEX and (c),(d) GATE A. The error profiles in (a) and (c) are to be interpreted as ICA, solid lines; MRO, dashed lines; RO, dotted lines. (b) and (d) also show the differences between MRO and RO. The horizontal lines are the

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We encourage you to perform a real-time search of NLEBeta
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81

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Progress Towards Climate Projections of Central U.S. Rainfall Using a Progress Towards Climate Projections of Central U.S. Rainfall Using a Global Model with Embedded Explicit Convection Download a printable PDF Submitter: Pritchard, M. S., Scripps Institution of Oceanography Area of Research: General Circulation and Single Column Models/Parameterizations Working Group(s): Cloud Life Cycle Journal Reference: Pritchard MS, MW Moncrieff, and RC Somerville. 2011. "Orogenic propagating precipitation systems over the US in a global climate model with embedded explicit convection." Journal of the Atmospheric Sciences, 68, doi:10.1175/2011JAS3699.1. Characteristic time-longitude structure of central U.S. summer diurnal convection (35-45 N) (a) as observed in 2005 from space-borne infrared imagers, and as simulated by (b) the Community Atmosphere Model (CAM) v3.5

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Satellite Constraints on Cloud-Top Phase, Ice Size, and Asymmetry Parameter Satellite Constraints on Cloud-Top Phase, Ice Size, and Asymmetry Parameter over Deep Convection Download a printable PDF Submitter: van Diedenhoven, B., NASA - Goddard Institute for Space Studies Fridlind, A. M., NASA - Goddard Institute for Space Studies Area of Research: Cloud Processes Working Group(s): Cloud Life Cycle Journal Reference: van Diedenhoven B, AM Fridlind, AS Ackerman, and B Cairns. 2012. "Evaluation of hydrometeor phase and ice properties in cloud-resolving model simulations of tropical deep convection using radiance and polarization measurements." Journal of the Atmospheric Sciences, 69(11), doi:10.1175/JAS-D-11-0314.1. Liquid index (LI) values are directly derived from multi-directional polarized reflectances. POLDER measurements (dashed line envelop) show

83

Research Highlight  

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Tropical Radiosonde Comparisons May Improve Past and Present Humidity Data Tropical Radiosonde Comparisons May Improve Past and Present Humidity Data Submitter: Westwater, E. R., University of Colorado Area of Research: Atmospheric Thermodynamics and Vertical Structures Working Group(s): Cloud Properties Journal Reference: Westwater, E.R., B.B. Stankov, D.Cimini, Y. Han, J.A. Shaw, B.M. Lesht, C.N. Long, 2003, Radiosonde Humidity Soundings and Microwave Radiometers during Nauru99, Journal of Atmospheric and Oceanic Technology, Vol. 21. ARM's Nauru99 campaign provided a rare opportunity to compare original and corrected land-based radiosonde temperature and humidity measurements with those obtained at sea. (ARM photo) Key Contributors: B. B. Stankov, D. Cimini, Y. Han, J. A Shaw, B. M. Lesht, C. N. Long Along the equator in the Central Pacific, DOE's Atmospheric Radiation

84

Research Highlight  

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Critical Evaluation of the ICARUS Portion of the ISCCP Simulator Using ARM Critical Evaluation of the ICARUS Portion of the ISCCP Simulator Using ARM Data Download a printable PDF Submitter: Mace, G., Utah State University Area of Research: General Circulation and Single Column Models/Parameterizations Working Group(s): Cloud Life Cycle Journal Reference: Mace GG, S Houser, S Benson, SA Klein, and QL Min. 2011. "Critical evaluation of the ISCCP simulator using ground-based remote sensing data." Journal of Climate, 24(6), doi:10.1175/2010JCLI3517.1. Figure 1. Comparison of actual cloud top pressure from ARM remote sensors compared to ISCCP (top) and after the ICARUS algorithm has been used to convert the measured cloud top pressures to ISCCP-like quantities (bottom). Figure 2. Comparison of various measures of optical depth. Top left shows

85

Research Highlight  

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Quantifying the Number of Independent Pieces of Information in Profiles Quantifying the Number of Independent Pieces of Information in Profiles Download a printable PDF Submitter: Crewell, S., University of Cologne Loehnert, U., University of Cologne Turner, D. D., National Oceanic and Atmospheric Administration Ebell, K., University of Cologne Area of Research: Atmospheric Thermodynamics and Vertical Structures Working Group(s): Radiative Processes Journal Reference: Lohnert U, DD Turner, and S Crewell. 2009. "Ground-based temperature and humidity profiling using spectral infrared and microwave observations. Part I: Simulated retrieval performance in clear-sky conditions." Journal of Applied Meteorology and Climatology, 48(5), 1017-1032. Crewell S, K Ebell, U Loehnert, and DD Turner. 2009. "Can liquid water profiles be retrieved from passive microwave zenith observations?"

86

Research Highlight  

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Determining the Future of CO2 Using an Earth System Model Determining the Future of CO2 Using an Earth System Model Download a printable PDF Submitter: Keppel-Aleks, G., University of Michigan Area of Research: General Circulation and Single Column Models/Parameterizations Working Group(s): Aerosol Life Cycle Journal Reference: Keppel-Aleks G, JT Randerson, K Lindsay, BB Stephens, JK Moore, SC Doney, PE Thornton, NM Mahowald, FM Hoffman, C Sweeney, PP Tans, PO Wennberg, and SC Wofsy. 2013. "Atmospheric carbon dioxide variability in the Community Earth System Model: evaluation and transient dynamics during the twentieth and twenty-first centuries." Journal of Climate, 26(13), doi:10.1175/JCLI-D-12-00589.1. How models, such as the Community Earth System Model, simulate the amount of CO2 in the atmosphere will likely hold the key to monitoring climate

87

Research Highlight  

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Tropical Clouds: from Jekyll to Hyde Tropical Clouds: from Jekyll to Hyde Submitter: Hagos, S. M., Pacific Northwest National Laboratory Area of Research: Cloud Distributions/Characterizations Working Group(s): Cloud Life Cycle Journal Reference: Hagos SM and R Leung. 2012. "Large-scale environmental variables and transition to deep convection in cloud resolving model simulations: A vector representation." Journal of Advances in Modeling Earth Systems, 4(M11001), 2012MS000155, doi:10.1029/2012MS000155. The relationship between the mean 400hPa heating (Khr-1437 ) at time = 0 and the projection onto the favorable large-scale moisture profile at time = -1 hr. From Jekyll to Hyde, this anvil cloud is an example of tropical clouds that evolve from fair-weather to stormy. Scientists at PNNL used observational

88

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Estimating the Ice Crystal Enhancement Factor in the Tropics Estimating the Ice Crystal Enhancement Factor in the Tropics Download a printable PDF Submitter: Zeng, X., NASA - Goddard Space Flight Center Tao, W., NASA - Goddard Space Flight Center Area of Research: General Circulation and Single Column Models/Parameterizations Working Group(s): Cloud Life Cycle, Cloud-Aerosol-Precipitation Interactions Journal Reference: Zeng X, W Tao, T Matsui, S Xie, S Lang, M Zhang, DO Starr, and X Li. 2011. "Estimating the ice crystal enhancement factor in the tropics." Journal of the Atmospheric Sciences, 68(7), doi:10.1175/2011JAS3550.1. Figure 1. Twenty-day mean vertical profiles of IWC from the ARM-SGP observations and the three simulations using low, moderate, and high ice crystal concentrations, respectively. Figure 2. Eight-day mean vertical profiles of IWC from the TWP-ICE

89

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Buffering of Ice Crystal Number Concentration to Ice Nucleus Abundance Buffering of Ice Crystal Number Concentration to Ice Nucleus Abundance Above Arctic Stratus Download a printable PDF Submitter: Fridlind, A. M., NASA - Goddard Institute for Space Studies Ackerman, A., NASA - Goddard Institute for Space Studies Area of Research: Cloud Processes Working Group(s): Cloud-Aerosol-Precipitation Interactions Journal Reference: Fridlind AM, B van Diedenhoven, AS Ackerman, A Avramov, A Mrowiec, H Morrison, P Zuidema, and MD Shupe. 2012. "A FIRE-ACE/SHEBA case study of mixed-phase Arctic boundary-layer clouds: Entrainment rate limitations on rapid primary ice nucleation processes." Journal of the Atmospheric Sciences, 69(1), doi:10.1175/JAS-D-11-052.1. Observed and simulated histograms of MMCR radar reflectivity (left) and

90

Research Highlight  

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Ground-Based Cloud Measurements Utilized to Evaluate the Simulation of Ground-Based Cloud Measurements Utilized to Evaluate the Simulation of Arctic Clouds in CCSM4 Download a printable PDF Submitter: de Boer, G., University of Colorado, Boulder/CIRES Area of Research: General Circulation and Single Column Models/Parameterizations Working Group(s): Cloud Life Cycle Journal Reference: de Boer G, W Chapman, JE Kay, B Medeiros, MD Shupe, S Vavrus, and JE Walsh. 2011. "A characterization of the present-day Arctic atmosphere in CCSM4." Journal of Climate, 25(8), doi:10.1175/JCLI-D-11-00228.1. Time-height cross-sections of simulated (top) and observed (second row) cloud phase at Barrow, Alaska. The difference between the frequencies of occurrence of each phase is indicated in the third row. Monthly distributions of liquid (dark) and ice (light) water paths at

91

Research Highlight  

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Spectral Invariant Properties of Single-Scattering Albedo for Water Spectral Invariant Properties of Single-Scattering Albedo for Water Droplets and Ice Crystals Download a printable PDF Submitter: Marshak, A., NASA - Goddard Space Flight Center Area of Research: Radiation Processes Working Group(s): Cloud-Aerosol-Precipitation Interactions Journal Reference: Marshak A, Y Knyazikhin, JC Chiu, and WJ Wiscombe. 2012. "On spectral invariance of single scattering albedo for water droplets and ice crystals at weakly absorbing wavelengths." Journal of Quantitative Spectroscopy & Radiative Transfer, 113, 715-720. The ratio of ω0λ(r)/ω0λ(r0) plotted against ω0λ(r) for four wavelengths, λ=0.86, 1.65, 2.13 and 3.75 um. An example for the aggregates ice crystal habits is shown (see Yang et al. 2000. "Parameterization of

92

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Self-Regulation Strikes a Balance Between Hydrological Cycle, Radiation Self-Regulation Strikes a Balance Between Hydrological Cycle, Radiation Processes, and Intraseasonal Dynamic Variations Submitter: Stephens, G. L., Colorado State University Area of Research: Atmospheric Thermodynamics and Vertical Structures Working Group(s): Cloud Properties Journal Reference: Stephens, Graeme L., Webster, Peter J., Johnson, Richard H., Engelen, Richard, L'Ecuyer, Tristan. 2004: Observational Evidence for the Mutual Regulation of the Tropical Hydrological Cycle and Tropical Sea Surface Temperatures. Journal of Climate: Vol. 17, No. 11, pp. 2213-2224. The "humidistat" feedback mechanism suggests that the hydrological cycle and sea surface temperatures mutually regulate each other in phases: the destabilization phase, the convective phase, and the restoring phase. These

93

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Unique Properties of the Arctic Stratiform Cloud-Top Region Unique Properties of the Arctic Stratiform Cloud-Top Region Submitter: Shupe, M., University of Colorado Area of Research: Cloud Processes Working Group(s): Cloud Life Cycle Journal Reference: Sedlar J, MD Shupe, and M Tjernström. 2011. "On the relationship between thermodynamic structure and cloud top, and its climate significance in the Arctic." Journal of Climate, 25(7), doi:10.1175/JCLI-D-11-00186.1. Occurrence frequency of low-level, stratiform cloud cases used in the analysis (black), percentage of these cases where the cloud top was identified to occur within the inversion (CII, gray), and percentage where the cloud top was observed to be capped by the inversion (CCI, white) for the ASCOS, SHEBA, and Barrow locations. The total number of cases analyzed

94

Research Highlight  

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Dynamics and Atmospheric State on Cloud Vertical Overlap Dynamics and Atmospheric State on Cloud Vertical Overlap Download a printable PDF Submitter: Naud, C. M., Columbia University/NASA Goddard Institute for Space Studies Del Genio, A. D., NASA Mace, G., Utah State University Benson, S., Utah State University Clothiaux, E. E., Pennsylvania State University Kollias, P., McGill University Area of Research: Cloud Distributions/Characterizations Working Group(s): Cloud Modeling Journal Reference: Naud, C, A Del Genio, GG Mace, S Benson, EE Clothiaux, and P Kollias. "Impact of dynamics and atmospheric state on cloud vertical overlap." Journal of Climate 218: 1758-1770. Mean overlap parameter α as a function of separation: (a,b) at SGP for all winter months of 2002-2004 and for 4 subsets of increasing 500 mb ω such

95

Research Highlight  

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A Tall Order: Climate Models Fall Short in Predicting African Sahel A Tall Order: Climate Models Fall Short in Predicting African Sahel Rainfall Download a printable PDF Submitter: Roehrig, R., Meteo-France CNRM/GMME/MOANA Area of Research: General Circulation and Single Column Models/Parameterizations Working Group(s): Cloud-Aerosol-Precipitation Interactions Journal Reference: Roehrig R, D Bouniol, F Guichard, F Hourdin, and JL Redelsperger. 2013. "The present and future of the West African Monsoon: A process-oriented assessment of CMIP5 simulations along the AMMA transect." Journal of Climate, 26(17), doi:10.1175/jcli-d-12-00505.1. The wealth of data available from field campaigns between the Gulf of Guinea and the Sahara Desert allowed scientists to evaluate the ability of climate models to accurately predict rainfall in the area.

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Research Highlight  

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Indirect Impact of Atmospheric Aerosols on an Ensemble of Deep Convective Indirect Impact of Atmospheric Aerosols on an Ensemble of Deep Convective Clouds Download a printable PDF Submitter: Grabowski, W., NCAR Morrison, H. C., NCAR Area of Research: Cloud Distributions/Characterizations Working Group(s): Cloud-Aerosol-Precipitation Interactions Journal Reference: Grabowski WW and H Morrison. 2011. "Indirect impact of atmospheric aerosols in idealized simulations of convective-radiative quasi-equilibrium. Part II: Double-moment microphysics." Journal of Climate, 24, 1897-1912. This paper extends the previous cloud-resolving modeling study concerning the impact of cloud microphysics on convective-radiative quasi-equilibrium (CRQE) over a surface with fixed characteristics and prescribed solar input, both mimicking the mean conditions on Earth. The current study

97

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New Insights Into Deep Convective Core Vertical Velocities Using ARM UHF New Insights Into Deep Convective Core Vertical Velocities Using ARM UHF Wind Profilers Download a printable PDF Submitter: Giangrande, S., Brookhaven National Laboratory Area of Research: Vertical Velocity Working Group(s): Cloud Life Cycle Journal Reference: Giangrande SE, S Collis, J Straka, A Protat, C Williams, and S Krueger. 2013. "A summary of convective core vertical velocity properties using ARM UHF wind profilers in Oklahoma." Journal of Applied Meteorology and Climatology, , . ACCEPTED. ARM UHF profiler observations of reflectivity Z (top) and retrieved storm vertical velocity (bottom); overlaid contours bound regions of updrafts greater than 1.5 m/s. Summary median (diamond), 90th (triangle), and 95th (star) percentile data set properties of Oklahoma convective core updrafts including: (A)

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The Role of Microphysics Parameterization in Simulating Tropical Mesoscale The Role of Microphysics Parameterization in Simulating Tropical Mesoscale Convective Systems Download a printable PDF Submitter: Van Weverberg, K., Brookhaven National Laboratory Vogelmann, A. M., Brookhaven National Laboratory Area of Research: Cloud Processes Working Group(s): Cloud Life Cycle Journal Reference: Van Weverberg K, AM Vogelmann, W Lin, EP Luke, AT Cialella, P Minnis, MM Khaiyer, ER Boer, and MP Jensen. 2013. "The role of cloud microphysics parameterization in the simulation of mesoscale convective system clouds and precipitation in the Tropical Western Pacific." Journal of the Atmospheric Sciences, 70(4), doi:10.1175/JAS-D-12-0104.1. The spatial distribution of cloud types at 3 UTC on 27 December 2003 as observed by GOES-9 and as simulated by the three commonly used microphysics

99

Research Highlight  

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Spectrally Invariant Approximation Within Atmospheric Radiative Transfer Spectrally Invariant Approximation Within Atmospheric Radiative Transfer Download a printable PDF Submitter: Marshak, A., NASA - Goddard Space Flight Center Area of Research: Radiation Processes Working Group(s): Cloud-Aerosol-Precipitation Interactions Journal Reference: Marshak A, Y Knyazikhin, JC Chiu, and WJ Wiscombe. 2011. "Spectrally-invariant approximation within atmospheric radiative transfer." Journal of the Atmospheric Sciences, 68(12), doi:10.1175/JAS-D-11-060.1. Ratio of reflectance Rλ plus transmittance Tλ over single scattering albedo ω0λ plotted against the sum Rλ+Tλ for two cloud optical depths: 5 and 10. The aerosol optical depth at 0.55 μm is 0.2 (rural type of aerosol). Different dots correspond to different wavelengths from 0.4 to

100

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Cirrus Cloud Bimodal Size Distributions from ARM Remote Sensing Data Cirrus Cloud Bimodal Size Distributions from ARM Remote Sensing Data Download a printable PDF Submitter: Mace, G., Utah State University Area of Research: Cloud Distributions/Characterizations Working Group(s): Cloud Life Cycle Journal Reference: Zhao Y, GG Mace, and JM Comstock. 2011. "The occurrence of particle size distribution bimodality in midlatitude cirrus as inferred from ground-based remote sensing data." Journal of the Atmospheric Sciences, 68(6), doi:10.1175/2010JAS3354.1. Figure 1. Frequency distribution of ice water content (top), effective radius (middle), and crystal concentration (bottom) derived from 313 h of cloud property retrievals using the bimodal algorithm. The distributions are shown as a function of the layer-mean temperature shown in the legend.

Note: This page contains sample records for the topic "research highlights journal" 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

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Influence of Humidified Aerosols on Lidar Depolarization Below Influence of Humidified Aerosols on Lidar Depolarization Below Ice-Precipitating Arctic Clouds Download a printable PDF Submitter: Fridlind, A. M., NASA - Goddard Institute for Space Studies van Diedenhoven, B., NASA - Goddard Institute for Space Studies Area of Research: Cloud Distributions/Characterizations Working Group(s): Cloud Life Cycle Journal Reference: van Diedenhoven B, AM Fridlind, and AS Ackerman. 2011. "Influence of humidified aerosol on lidar depolarization measurements below ice-precipitating Arctic stratus." Journal of Applied Meteorology and Climatology, 50(10), doi:10.1175/JAMC-D-11-037.1. Correlated MMCR radar reflectivities and DABUL lidar depolarizations below cloud base calculated with a reasonably low number of large, coarse-mode

102

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Vertical Air Motion Measurements in Large-Scale Precipitation Vertical Air Motion Measurements in Large-Scale Precipitation Download a printable PDF Submitter: Giangrande, S., Brookhaven National Laboratory Luke, E., Brookhaven National Laboratory Kollias, P., McGill University Area of Research: Vertical Velocity Working Group(s): Cloud Properties Journal Reference: Giangrande SE, EP Luke, and P Kollias. 2010. "Automated retrievals of precipitation parameters using non-Rayleigh scattering at 95-GHz." Journal of Atmospheric and Oceanic Technology, 27(9), 10.1175/2010JTECHA1343.1. Time-height mapping of the retrieved vertical air motion for the 1 May 2007 event at SGP. Simultaneous measurements of vertical air motion and raindrop size distribution parameters in precipitation are challenging. The ARM W-band radars (95-GHz), despite being used primarily for cloud sensing, offer

103

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Statistics of Vertical Velocities from Monsoonal Convection with Statistics of Vertical Velocities from Monsoonal Convection with Verification Download a printable PDF Submitter: Collis, S. M., Argonne National Laboratory Area of Research: Vertical Velocity Working Group(s): Cloud Life Cycle Journal Reference: Collis S, A Protat, PT May, and C Williams. 2013. "Statistics of storm updraft velocities from TWP-ICE including verification with profiling measurements." Journal of Applied Meteorology and Climatology, 52(8), 10.1175/jamc-d-12-0230.1. A scatter plot of profiler-derived vertical velocities versus the scanning radar-retrieved vertical velocities. Dots represent minimum values, triangles represent mean values, and diamonds represent maximum values. The solid line is a fit to all maximum, mean, and minimum values, while the

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Research Highlight  

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Splitting the Solar Spectrum: Sometimes Less Is Better Than More Splitting the Solar Spectrum: Sometimes Less Is Better Than More Submitter: Pawlak, D. T., Pennsylvania State University Area of Research: General Circulation and Single Column Models/Parameterizations Working Group(s): Cloud Modeling Journal Reference: Pawlak, DT, EJ Clothiaux, MF Modest, and JNS Cole. 2004. Full-Spectrum Correlated-k Distribution for Shortwave Atmospheric Radiative Transfer. Journal of the Atmospheric Sciences 61: 2588-2601. Of all the physical and dynamical calculations required in numerical weather prediction and climate modeling, radiation calculations consume the most computational time. This is because the radiation transfer physics of the atmosphere involve molecular absorption that occurs in narrowly defined absorption bands of the electromagnetic spectrum. The exact location in the

105

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New Technique Successful for Measuring Thickness of Broken Clouds New Technique Successful for Measuring Thickness of Broken Clouds Submitter: Marshak, A., NASA - Goddard Space Flight Center Area of Research: Cloud Distributions/Characterizations Working Group(s): Cloud Properties Journal Reference: Marshak, A, Y Knyazikhin, K.D. Evans, and W.J. Wiscomb, (2004): The "RED versus NIR" Plane to Retrieve Broken-Cloud Optical Depth from Ground-Based Measurements, Journal of Atmospheric Sciences , 61, 1911-1925. In the "lookup table," vertical lines within the curves show calculated values of cloud optical depth. Observed data points show actual RED and NIR values; the cloud cover and optical depth are read from the overlaid lines. Cloud optical depth (or thickness) is a fundamental property for calculating the amount of solar radiation entering and leaving earth's

106

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Measurement of Convective Entrainment Using Lagrangian Particles Measurement of Convective Entrainment Using Lagrangian Particles Download a printable PDF Submitter: Romps, D., University of California, Berkeley Area of Research: Cloud Processes Working Group(s): Cloud Life Cycle Journal Reference: Yeo K and DM Romps. 2013. "Measurement of convective entrainment using Lagrangian particles." Journal of the Atmospheric Sciences, 70(1), doi:10.1175/JAS-D-12-0144.1. Trajectories of seven particles that are entrained at the cloud base and transported to the cloud top. Colors denote the mixing ratio of condensed water. Previous work by Romps (2010) found large entrainment rates of ~100% per kilometer for deep convection using a new technique for large-eddy simulations (LES) called "Eulerian direct measurement". These results

107

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Comparisons Between Radiosondes and Remote Sensors During the 2004 NSA Comparisons Between Radiosondes and Remote Sensors During the 2004 NSA Arctic Winter Radiometric Experiment Submitter: Westwater, E. R., University of Colorado Area of Research: Atmospheric Thermodynamics and Vertical Structures Working Group(s): Radiative Processes Journal Reference: Mattioli, V, ER Westwater, D Cimini, JS Liljegren, BM Lesht, SI Gutman, and FJ Schmidlin. 2007. "Analysis of radiosonde and ground-based remotely sensed PWV data from the 2004 North Slope of Alaska Arctic Winter Radiometric Experiment." Journal of Atmospheric and Oceanic Technology 243: 415-431. Description of radiosondes launched during the 2004 NSA Arctic Winter Radiometric Experiment. Dual-radiosonde launch of the Vaisala RS90 and Chilled Mirror radiosondes is pictured here.

108

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A Simple Stochastic Model for Generating Broken Cloud Optical Depth and A Simple Stochastic Model for Generating Broken Cloud Optical Depth and Cloud Top Height Fields Download a printable PDF Submitter: Marshak, A., NASA - Goddard Space Flight Center Area of Research: Cloud Distributions/Characterizations Working Group(s): Radiative Processes Journal Reference: Prigarin, S, and A Marshak. 2008. "A simple stochastic model for generating broken cloud optical depth and cloud top height fields." Journal of Atmospheric Sciences, in press. Fig. 1. A 68-km by 68-km region in Brazil centered at 17o S and 42o W collected on August 9, 2001, at 1015 local time. The solar zenith angle 410; the solar azimuth angle 23o (from the top). (a) moderate-resolution imaging spectroradiometer (MODIS) true color red, green, blue (RGB) 1-km

109

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Giants in the Sky Giants in the Sky For original submission and image(s), see ARM Research Highlights http://www.arm.gov/science/highlights/ Research Highlight A few large particles in a crowd of tiny ones have often been ignored when calculating the amount of sunlight bounced back into space in clean-sky conditions. Scientists at Pacific Northwest National Laboratory found that these "giant" particles have a larger-than-expected impact on the amount of sunlight reflected away from Earth, by as much as 45 percent. They also showed that particles larger than one micron (0.000039 inch) occur much more frequently than expected, up to 85 percent of the time. "Many routine measurements are unable to sample large particles, thus they may overlook the residence of many 'Gullivers in the country of Lilliput,' said Dr. Evgueni

110

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Life Cycle Journal Reference: Riihimaki LD, SA McFarlane, and JM Comstock. 2012. "Climatology and formation of tropical midlevel clouds at the Darwin ARM site." Journal of...

111

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ARM Program Achieves Milestone in Global Cloud Properties Research ARM Program Achieves Milestone in Global Cloud Properties Research Submitter: Revercomb, H. E., University of Wisconsin, Madison Area of Research: Radiation Processes Working Group(s): Radiative Processes Journal Reference: Knuteson, R.O., Best, F.A., Dedecker, R.G., Feltz, W.F., Revercomb, H.E., and Tobin, D.C., 2004: "10 Years of AERI Data from the DOE ARM Southern Great Plains Site," In Proceedings from the Fourteenth ARM Science Team Meeting, U.S. Department of Energy,Washington, D.C. Figure 1 Figure 2 From the unassuming farmlands of north-central Oklahoma comes a milestone for the global climate research community. March 2004 marked the 10-year anniversary for an instrument that now holds the prestigious distinction of providing the longest set of continuous atmospheric interferometer data

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Chinese Researchers Report Reliable Method for Monitoring Soil Moisture Chinese Researchers Report Reliable Method for Monitoring Soil Moisture Submitter: Bhattacharya, A., Pacific Northwest National Laboratory Area of Research: Surface Properties Working Group(s): Cloud Life Cycle Journal Reference: Sun L, R Sun, XW Li, SL Liang, and RH Zhang. 2012. "Monitoring surface soil moisture status based on remotely sensed surface temperature and vegetation index information." Agricultural and Forest Meteorology, 166, doi:10.1016/j.agrformet.2012.07.015. Shown here is the SGP Central Facility, where the most comprehensive instrument suite is hosted. Moisture trapped in soil provides water necessary for vegetation and crops, but how much of that moisture makes its way into the atmosphere and influences regional meteorology? The poor understanding of the role of soil

113

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Raman Lidar Observations of Aerosol Humidification Near Clouds Raman Lidar Observations of Aerosol Humidification Near Clouds Submitter: Ferrare, R. A., NASA - Langley Research Center Area of Research: Aerosol Properties Working Group(s): Aerosol Journal Reference: Ferrare, R., et al., Evaluation of Daytime Measurements of Aerosols and Water Vapor Made by an Operational Raman Lidar over the Southern Great Plains, J. Geophys. Res., 111, D05S08, doi:10.1029/2005JD005836, 2006. Relative humidity profiles derived from the Raman lidar during the ALIVE 2005 field experiment. Aerosol extinction profiles derived from the Raman lidar during the ALIVE 2005 field experiment. Aerosol humidification factor f(RH) from Raman lidar measured profiles of aerosol extinction and relative humidity. Upgrades to the Raman lidar at the ARM Climate Research Facility (ACRF)

114

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Spectral Invariant Behavior of Zenith Radiance Around Cloud Edges Observed Spectral Invariant Behavior of Zenith Radiance Around Cloud Edges Observed by ARM SWS Download a printable PDF Submitter: Marshak, A., NASA - Goddard Space Flight Center Knyazikhin, Y., Boston University Chiu, J., University of Reading Wiscombe, W. J., Brookhaven National Laboratory Area of Research: Radiation Processes Working Group(s): Radiative Processes Journal Reference: Marshak A, Y Knyazikhin, JC Chiu, and WJ Wiscombe. 2009. "Spectral invariant behavior of zenith radiance around cloud edges observed by ARM SWS." Geophysical Research Letters, 36, L16802, doi:10.1029/2009GL039366. (top) Time-wavelength color contour plot of ARM shortwave spectrometer (SWS) spectra measured from 21:35:24 to 21:40:24 UTC on 18 May 2007 at the ARM Climate Research Facility (ACRF) Southern Great Plains (SGP) site in

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Entrainment Rate in Shallow Cumuli: Probabilistic Distribution and Entrainment Rate in Shallow Cumuli: Probabilistic Distribution and Dependence on Dry Air Sources Download a printable PDF Submitter: Liu, Y., Brookhaven National Laboratory Lu, C., Brookhaven National Laboratory Area of Research: Cloud Processes Working Group(s): Cloud Life Cycle Journal Reference: Lu C, Y Liu, S Niu, and AM Vogelmann. 2012. "Lateral entrainment rate in shallow cumuli: Dependence on dry air sources and probability density functions." Geophysical Research Letters, 39, L20812, doi:10.1029/2012GL053646. Probability density functions (PDFs) of entrainment rate (λ) for different dry air sources in eight cumulus flights. The rate at which cloud engulfs dry air (entrainment rate) has proven to be one of the strongest controls on the climate sensitivity of climate models;

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Research Highlight  

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Downward Longwave Irradiance Uncertainty Under Arctic Atmospheres: Downward Longwave Irradiance Uncertainty Under Arctic Atmospheres: Measurements and Modeling Submitter: Marty, C., Swiss Federal Institute of Snow and Avalanche Research Area of Research: Radiation Processes Working Group(s): Radiative Processes Journal Reference: Marty, C., R. Philipona, J. Delamere, E.G. Dutton, J. Michalsky, K. Stamnes, R. Storvold, T. Stoffel, S.A. Clough, and E.J. Mlawr, Downward longwave irradiance uncertainty under arctic atmospheres: Measurements and modeling, J. Geophys. Res., 108(D12), 4358, doi:10.1029/2002JD002937, 2003. IPASRC-II instruments deployed at ARM's Barrow Station. Members of 11 international institutions converged at the Atmospheric Radiation Measurement (ARM) Program's North Slope of Alaska (NSA) site in Barrow, Alaska, to conduct the Second International Pyrgeometer and

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ARM Measurements Validate New Satellite Multilayer Cloud Remote Sensing ARM Measurements Validate New Satellite Multilayer Cloud Remote Sensing Method Submitter: Minnis, P., NASA - Langley Research Center Area of Research: Cloud Distributions/Characterizations Working Group(s): Cloud Properties Journal Reference: Huang, J., P. Minnis, B. Lin, Y. Yi, T.-F. Fan, S. Sun-Mack, and J. K. Ayers, 2006: Determination of ice water path in ice-over-water cloud systems using combined MODIS and AMSR-E measurements. Geophys. Res. Lett., 33, L21801, 10.1029/2006GL027038. Minnis, P., J. Huang, B. Lin, Y. Yi, R. F. Arduini, T.-F. Fan, J. K. Ayers, and G. G. Mace, 2007: Ice cloud properties in ice-over-water cloud systems using TRMM VIRS and TMI data. J. Geophys. Res., 112, D06206, doi:10.1029/2006JD007626. Figure 1. Comparison of the VISST and MCRS retrievals with simultaneous

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Strong Impacts of Vertical Velocity on Cloud Microphysics and Implications Strong Impacts of Vertical Velocity on Cloud Microphysics and Implications for Aerosol Indirect Download a printable PDF Submitter: Liu, Y., Brookhaven National Laboratory Lu, C., Brookhaven National Laboratory Area of Research: Cloud-Aerosol-Precipitation Interactions Working Group(s): Cloud Life Cycle, Cloud-Aerosol-Precipitation Interactions Journal Reference: Lu C, Y Liu, S Niu, and AM Vogelmann. 2012. "Observed impacts of vertical velocity on cloud microphysics and implications for aerosol indirect effects." Geophysical Research Letters, 39, L21808, doi:10.1029/2012GL053599. Joint probability density functions (PDF) of relative dispersion (ε) versus vertical velocity (w) along horizontal aircraft legs for each cumulus flight (date given in legend). The red lines denote weighted least

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ARM Science Applications of AERI Measurements: 1997 Progress ARM Science Applications of AERI Measurements: 1997 Progress Submitter: Smith, W. L., NASA - Langley Research Center Area of Research: Radiation Processes Working Group(s): Cloud Modeling Journal Reference: N/A Figure 1. Figs. 1a and 1b contain rms differences from 72 radiosondes for AERI retrievals (blue), GOES retrievals (black), and AERI+GOES retrievals (red) for temperature and mixing ratio respectively during the 1997 Water Vapor IOP. A measure of meteorological the variability of the temperature and water vapor is indicated by the green line. Figs. 1c and 1d show the TPW for the same cases from GOES, AERI+GOES, radiosonde, and the ARM SGP CART microwave radiometer and relative percent differences in TPW amounts. Figure 2. Four consecutive radiosonde, GOES, and AERI+GOES comparisons from

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Research Highlight  

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Weather and Atmospheric Overview During Study of Natural and Urban Weather and Atmospheric Overview During Study of Natural and Urban Emissions (CARES) Download a printable PDF Submitter: Fast, J. ., Pacific Northwest National Laboratory Area of Research: Aerosol Properties Working Group(s): Aerosol Life Cycle Journal Reference: Fast JD, WI Gustafson, LK Berg, WJ Shaw, M Pekour, M Shrivastava, JC Barnard, RA Ferrare, CA Hostetler, JA Hair, M Erickson, BT Jobson, B Flowers, MK Dubey, S Springston, RB Pierce, L Dolislager, J Pederson, and RA Zaveri. 2012. "Transport and mixing patterns over central California during the Carbonaceous Aerosol and Radiative Effects Study (CARES)." Atmospheric Chemistry and Physics, 12, 1759-1783. Aircraft sampling flight patterns are shown over central California in this aerial overlay. Researchers collected and analyzed measurements from

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Research Highlight  

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New Method for Three-Dimensional Imaging of Cirrus Clouds New Method for Three-Dimensional Imaging of Cirrus Clouds Submitter: Liou, K., University of California, Los Angeles Area of Research: Cloud Distributions/Characterizations Working Group(s): Cloud Properties Journal Reference: Liou, K.N, S.C. Ou, Y. Takano, J. Roskovensky, G.G. Mace, K. Sassen, and M. Poellot, 2002: "Remote sensing of three-dimensional inhomogeneous cirrus clouds using satellite and mm-wave cloud radar data," Geophysical Research Letters 29(9): 1360. Figure 1 ARM Data Enables the Development and Verification of a New Method for Three-Dimensional Imaging of Cirrus Clouds to Improve Climate Predictions Cirrus clouds cover about 30% of the Earth's surface. Because ice crystals both reflect sunlight and absorb thermal energy emitted from the earth

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Field Experiments to Improve the Treatment of Radiation in the Mid-to-Upper Field Experiments to Improve the Treatment of Radiation in the Mid-to-Upper Troposphere Download a printable PDF Submitter: Turner, D. D., National Oceanic and Atmospheric Administration Mlawer, E. J., Atmospheric & Environmental Research, Inc. Area of Research: Radiation Processes Working Group(s): Cloud-Aerosol-Precipitation Interactions Journal Reference: Turner DD and EJ Mlawer. 2010. "The Radiative Heating in Underexplored Bands Campaigns (RHUBC)." Bulletin of the American Meteorological Society, 91, doi:10.1175/2010BAMS2904.1. (a) Atmospheric transmittance at 1 cm-1 resolution in the far-infrared for three atmospheres that are representative of the ARM SGP site, NSA site, and RHUBC-II site in the Chajnantor plateau (CJC). (b) The transmittance

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Research Highlight  

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Probabilistic Approach Useful for Evaluating Cloud System Models Probabilistic Approach Useful for Evaluating Cloud System Models Submitter: Jakob, C., Monash University Area of Research: General Circulation and Single Column Models/Parameterizations Working Group(s): Cloud Modeling Journal Reference: Jakob, C., R. Pincus, C. Hannay, and K.M. Xu (2004). Use of cloud radar observations for model evaluation: A probabilistic approach, J. Geophys. Res., 109, D03202, doi:10.1029/2003JD003473. In evaluating climate models, time and space represent key challenges when extrapolating observations into simulations. Researchers supported by DOE's Atmospheric Radiation Measurement (ARM) Program have explored an alternative method based on "point series data" to arrive at model cloud predictions. Point series data are obtained over time through measurements

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Research Highlight  

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The Mixing State of Carbonaceous Aerosol Particles in Northern and Southern The Mixing State of Carbonaceous Aerosol Particles in Northern and Southern California Measured During CARES and CalNex Download a printable PDF Submitter: Zaveri, R., Pacific Northwest National Laboratory Area of Research: Aerosol Processes Working Group(s): Aerosol Life Cycle Journal Reference: Cahill JF, K Suski, JH Seinfeld, RA Zaveri, and KA Prather. 2012. "The mixing state of carbonaceous aerosol particles in Northern and Southern California measured during CARES and CalNex 2010." Atmospheric Chemistry and Physics, 12, doi:10.5194/acp-12-10989-2012. The CARES campaign took place in Sacramento in order to sample the city's urban plume. Photo courtesy of Jason Tomlinson. Researchers, including DOE scientists working at Pacific Northwest National

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Research Highlight  

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Cloud Observations at Niamey During the AMF Deployment Cloud Observations at Niamey During the AMF Deployment Submitter: Kollias, P., McGill University Area of Research: Cloud Distributions/Characterizations Working Group(s): Cloud Properties Journal Reference: Kollias, P. and M. A. Miller, 2007: Cloud and Precipitation Observations at Niamey During the 2006 ARM Mobile Facility Deployment. Submitted to Geophysical Research Letters. Daily observed cloud fraction in Niamey during the AMF deployment. The cloud fraction is derived using measurements from the 94-GHz radar, the MPL, and the ceilometer. The vertical resolution is 260 m, and a 5-day temporal filter is applied to the daily cloud fraction profiles. (a) Monthly-averaged cloud and precipitation fraction. The monthly mean and standard deviation of cirrus cloud top (white line), middle cloud tops

126

Research Highlight  

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Cloud-Radiation Effects on Sea Ice Loss Cloud-Radiation Effects on Sea Ice Loss Download a printable PDF Submitter: Stephens, G. L., Colorado State University Area of Research: Cloud Distributions/Characterizations Working Group(s): Cloud Properties Journal Reference: Kay, JE, T L'Ecuyer, A Gettelman, G Stephens, and C O'Dell. "The contribution of cloud and radiation anomalies to the 2007 Arctic sea ice extent minimum." To appear in Geophysical Research Letters. Clouds and downwelling radiation 2007-2006 differences (June 15-Sept 15). a. Total cloud fraction differences based on radar and lidar data. b. Downwelling SW radiative flux difference. c. Downwelling LW radiative flux difference. The Western Arctic Ocean is outlined in brown. ARM ground-based radiation observations at Barrow, Alaska.

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Research Highlight  

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Development and Recent Evaluation of the MT_CKD Model of Continuum Development and Recent Evaluation of the MT_CKD Model of Continuum Absorption Download a printable PDF Submitter: Mlawer, E. J., Atmospheric & Environmental Research, Inc. Area of Research: Radiation Processes Working Group(s): Cloud Life Cycle Journal Reference: Mlawer EJ, VH Payne, J Moncet, JS Delamere, MJ Alvarado, and DD Tobin. 2012. "Development and recent evaluation of the MT_CKD model of continuum absorption." Philosophical Transactions of The Royal Society A, 370, doi: 10.1098/rsta.2011.0295. For seven AERI cases with 4-6 cm PWV: (a) average AERI radiances (black) and corresponding calculations using radiation code with previous version of MT_CKD continuum model (red); (b) residuals between AERI and calculations with older model; (c) residuals after the CO2 continuum in

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Research Highlight  

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Clouds Brighten Up the Sky Near Them Clouds Brighten Up the Sky Near Them Download a printable PDF Submitter: Varnai, T., University of Maryland, Baltimore County/JCEST Marshak, A., NASA - Goddard Space Flight Center Area of Research: Radiation Processes Working Group(s): Radiative Processes Journal Reference: Varnai T and A Marshak. 2009. "MODIS observations of enhanced clear sky reflectance near clouds." Geophysical Research Letters, 36, L06807, doi:10.1029/2008GL037089. Figure 1. Illustration of clouds enhancing the brightness of sky in nearby clear areas. In cloud-free areas light is scattered mainly by air molecules, but aerosols also contribute. Figure 2. Top: Average increase in MODIS clear-sky reflectivity (R) near clouds. The difference between areas near illuminated and shadowy cloud

129

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"Invisible" Giants in the Sky "Invisible" Giants in the Sky Download a printable PDF Submitter: Kassianov, E., Pacific Northwest National Laboratory Area of Research: Radiation Processes Working Group(s): Aerosol Life Cycle Journal Reference: Kassianov E, M Pekour, and J Barnard. 2012. "Aerosols in central California: Unexpectedly large contribution of coarse mode to aerosol radiative forcing." Geophysical Research Letters, 39, L20806, doi:10.1029/2012GL053469. Daily averaged values of (a, b) the direct aerosol radiative forcing (DARF) and (c, d) aerosol radiative forcing efficiency at the top-of-atmosphere calculated for the "original" aerosol optical properties (blue) and their PM1.0 (red) and PM2.5 (green) counterparts at the CARES (left) T0 and (right) T1 sites.

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Burning on the Prairies Burning on the Prairies Submitter: Bhattacharya, A., Pacific Northwest National Laboratory Area of Research: Radiation Processes Working Group(s): Cloud-Aerosol-Precipitation Interactions Journal Reference: Fischer ML, MS Torn, DP Billesbach, G Doyle, B Northup, and SC Biraud. 2012. "Carbon, water, and heat flux responses to experimental burning and drought in a tallgrass prairie." Agricultural and Forest Meteorology, 166, doi:10.1016/j.agrformet.2012.07.011. Pasture burning during the beginning of the experiment at the USDA Grazing Lands Research Laboratory in March 2005. What does it mean for the carbon cycle? The deep drought in the United States that fueled wildfires and damaged crops in 2012 has now continued well into 2013. However, long before the droughts and fires wreaked havoc, a team of

131

Research Highlight  

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Wildfires Lead to More Warming Than Climate Models Predict, a New Mexico Wildfires Lead to More Warming Than Climate Models Predict, a New Mexico Fire Study Reports Download a printable PDF Submitter: Bhattacharya, A., Pacific Northwest National Laboratory Area of Research: Aerosol Properties Working Group(s): Aerosol Life Cycle Journal Reference: China S, C Mazzoleni, K Gorkowski, AC Aiken, and MK Dubey. 2013. "Morphology and mixing state of individual freshly emitted wildfire carbonaceous particles." Nature Communications, 4, 2122, doi:10.1038/ncomms3122. La Conchas fire, New Mexico Analyzing fresh, carbon-rich aerosols in smoke from the largest wildfire in New Mexico (2011), scientists report large impacts of wildfires on climate. A research study, published last week in Nature Communications, has revealed that smoke from wildfires, or biomass-burning events, contains

132

Research Highlight  

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Clouds Get in the Way: How Climate Models Calculate the Effects of Clouds Clouds Get in the Way: How Climate Models Calculate the Effects of Clouds on Earth's Warming Download a printable PDF Submitter: Qian, Y., Pacific Northwest National Laboratory Area of Research: Cloud Distributions/Characterizations Working Group(s): Cloud Life Cycle Journal Reference: Qian Y, CN Long, H Wang, JM Comstock, SA McFarlane, and S Xie. 2012. "Evaluation of cloud fraction and its radiative effect simulated by IPCC AR4 global models against ARM surface observations." Atmospheric Chemistry and Physics, 12(4), doi:10.5194/acp-12-1785-2012. Clouds get in the way of the dawn light, perfectly framing the Raman lidar instrument at the ARM Climate Research Facility Southern Great Plains site. This ground-based laser is a remote sensing instrument used for measuring

133

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Testing and Comparing the Modified Anomalous Diffraction Approximation Testing and Comparing the Modified Anomalous Diffraction Approximation Submitter: Mitchell, D. L., Desert Research Institute Area of Research: Cloud Distributions/Characterizations Working Group(s): Radiative Processes Journal Reference: Mitchell, D.L., A.J. Baran, W.P. Arnott, C. Schmitt, 2006: Testing and comparing the anomalous diffraction approximation. J. Atmos. Sci., 63, 2948-2962. Comparison of MADA and T-matrix with measured Qext. Regions without data were contaminated by water vapor or CO2 absorption. MADA and T-matrix calculations are based on the measured PSD of hexagonal columns having an effective diameter of 14 microns. Comparison of the PSD weighted Qabs predicted by FDTD and MADA for a tunneling efficiency corresponding to aggregates. Cirrus clouds play a large role in the Earth's radiation budget and the way

134

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Progress in Understanding Water Vapor's Role in Models Progress in Understanding Water Vapor's Role in Models Submitter: Ackerman, T. P., University of Washington Area of Research: General Circulation and Single Column Models/Parameterizations Working Group(s): Cloud Modeling Journal Reference: N/A Time-height cross sections of water vapor mixing ratio, which is observed directly by the ARM Raman lidar at 10-min and approximately 100 m resolution, and relative humidity for 29 November through 2 December 2002. The bottom panel shows the comparison of the precipitable water vapor observed by the Raman lidar and the collocated microwave radiometer. The time-height cross sections, as well as the integrated field, show the large variability in water vapor that exists over the ARM Southern Great Plains site. After years of sustained research efforts into the accuracy of atmospheric

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ARM Science Applications of AERI Measurements ARM Science Applications of AERI Measurements Submitter: Smith, W. L., NASA - Langley Research Center Area of Research: Radiation Processes Working Group(s): Cloud Modeling Journal Reference: DeSlover, D. H. 1996. Analysis of Visible and Infrared Cirrus Cloud Optical Properties Using High Spectral Resolution Remote Sensing, M.S. Thesis, University of Wisconsin - Madison. Ho, S.-P. 1997. Atmospheric Profiles From Simultaneous Observations of Upwelling and Downwelling Spectral Radiance, Ph.D. Thesis, University of Wisconsin - Madison. Knuteson, R. O., F. A. Best, H. B. Howell, P. Minnett, H. E. Revercomb, W. L. Smith. 1997. "High Spectral Resolution Infrared Observations at the Ocean-Atmosphere Interface in the Tropical Western Pacific using a Marine

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Research Highlight  

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Invisible Giants in the Sky Invisible Giants in the Sky Download a printable PDF Submitter: Ovink, J., Pacific Northwest National Laboratory Kassianov, E., Pacific Northwest National Laboratory Area of Research: Cloud-Aerosol-Precipitation Interactions Working Group(s): Cloud-Aerosol-Precipitation Interactions Journal Reference: Kassianov E, M Pekour, and J Barnard. 2012. "Aerosols in central California: Unexpectedly large contribution of coarse mode to aerosol radiative forcing." Geophysical Research Letters, 39, L20806, doi:10.1029/2012GL053469. Photo courtesy of the U.S. National Park Service Daily averaged values of (a, b) the direct aerosol radiative forcing (DARF) and (c, d) aerosol radiative forcing efficiency at the top-of-atmosphere calculated for the "original" aerosol optical properties (blue) and

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Minimalist Approach to Modeling Complex Arctic Clouds Minimalist Approach to Modeling Complex Arctic Clouds Download a printable PDF Submitter: Shaw, R. A., Michigan Technological University - Physics Department Area of Research: Cloud-Aerosol-Precipitation Interactions Working Group(s): Cloud Life Cycle Journal Reference: Yang F, M Ovchinnikov, and RV Shaw. 2013. "Minimalist model of ice microphysics in mixed-phase stratiform clouds." Geophysical Research Letters, 40(14), doi:10.1002/grl.50700. Nordic winter landscape. Mixed-phase stratiform clouds are common features in the Arctic environment. They contain a mix of ice and "supercooled" water that, despite the freezing temperatures, remains in liquid form. Scientists aren't sure why these clouds exist in the Arctic for long periods of time, even while steadily losing ice particles through precipitation.

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Measured Radiative Cooling from Reflective Roofs in India Measured Radiative Cooling from Reflective Roofs in India Download a printable PDF Submitter: Fischer, M. L., Lawrence Berkeley National Laboratory Area of Research: Radiation Processes Working Group(s): Aerosol Life Cycle, Cloud Life Cycle, Cloud-Aerosol-Precipitation Interactions Journal Reference: Salamanca F, S Tonse, S Menon, V Garg, KP Singh, M Naja, and ML Fischer. 2012. "Top-of-atmosphere radiative cooling with white roofs: Experimental verification and model-based evaluation." Environmental Research Letters, 7(4), 044007, doi:10.1088/1748-9326/7/4/044007. True color image of light (PW1, PW2) and unpainted tar (PD1), and concrete (PD2) roofs at the Pantnagar, India site taken on October 21, 2011. We note that the concrete roof is considerably more reflective than the tar roof

139

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Climate Warming Due to Soot and Smoke? Maybe Not. Climate Warming Due to Soot and Smoke? Maybe Not. Submitter: Penner, J. E., University of Michigan Area of Research: Aerosol Properties Working Group(s): Aerosol Journal Reference: Penner, J.E., S.Y. Zhang, and C.C. Chuang, Soot and smoke aerosol may not warm climate, J. Geophys. Res., 108(D21), 4657, doi:10.1029/2003JD003409, 2003. New research results from the Department of Energy's Atmospheric Radiation Measurement (ARM) Program suggest that fossil fuel soot emissions and biomass smoke may actually have a negligible warming effect and, in some cases, may even result in a net cooling effect. Black carbon is the absorbing component of smoke aerosols that result from the incomplete combustion of various fuels, the most significant sources being fossil fuel

140

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Cumuli Impact on Solar Radiation at Surface: Spectral Changes Cumuli Impact on Solar Radiation at Surface: Spectral Changes Download a printable PDF Submitter: Kassianov, E., Pacific Northwest National Laboratory Area of Research: Aerosol Properties Working Group(s): Aerosol Life Cycle, Cloud Life Cycle, Cloud-Aerosol-Precipitation Interactions Journal Reference: Kassianov E, J Barnard, LK Berg, CN Long, and C Flynn. 2011. "Shortwave spectral radiative forcing of cumulus clouds from surface observations." Geophysical Research Letters, 38, L07801, doi:10.1029/2010GL046282. Figure 1. Normalized total cloud radiative forcing and its direct and diffuse components as a function of wavelength. Typically, under cloudy conditions, radiative transfer parameterizations in climate models have been evaluated by calculating the total cloud impact on

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While these samples are representative of the content of NLEBeta,
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We encourage you to perform a real-time search of NLEBeta
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141

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Anthropogenic Aerosols: a Clearer Understanding Anthropogenic Aerosols: a Clearer Understanding Submitter: Daum, P., Brookhaven National Laboratory Area of Research: Aerosol Properties Working Group(s): Aerosol Journal Reference: Liu, Y., and P. H. Daum, 2002: "Indirect warming effect from dispersion forcing," Nature 419(6872):580-581. Figure 1. Key = Green symbols: triangle - FIRE, northeastern Pacific; Crossed circles - SOCEX, Southern Ocean; Filled circle - ACE1, Southern Ocean; Blue symbols: Filled circles - ASTEX 8, northeastern Atlantic; Diamonds - SCMS 8, Florida coast; Filled triangles - Sounding 9, ASTEX; Filled squares - horizontal 9, ASTEX; Open inverted triangles - level 1; Open upright triangles - level 2; Open circles - level 3, all from southwest of San Diego 10; open diamonds - SCMS 11; stars - vertical, ASTEX

142

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Biases in Column Absorption for Fractal Clouds Biases in Column Absorption for Fractal Clouds Submitter: Wiscombe, W. J., Brookhaven National Laboratory Area of Research: Radiation Processes Working Group(s): Radiative Processes Journal Reference: Marshak, Alexander; Davis, Anthony; Wiscombe, Warren; Ridgway, William; Cahalan, Robert; 1998: "Biases in Shortwave Column Absorption in the Presence of Fractal Clouds," J. Climate 11(3):431-446. Figure 1: Water vapor transmission spectra for solar zenith angle of 60 degree. From the top: from TOA to 5 km, from TOA to 1 km, from TOA to 0.5 km and, finally, from TOA to surface. Figure 2: Fractional cloudiness N = 0.777. (a) Horizontal distribution of optical depth, the same for both models. (b) Horizontal distribution of cloud height for optical model. Constant cloud top and cloud base; thus

143

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More Like Shades of Gray: the Effects of Black Carbon in Aerosols More Like Shades of Gray: the Effects of Black Carbon in Aerosols Submitter: McComiskey, A. C., National Oceanic and Atmospheric Administration Area of Research: Aerosol Properties Working Group(s): Aerosol Life Cycle Journal Reference: Cappa CD, TB Onasch, P Massoli, DR Worsnop, TS Bates, ES Cross, P Davidovits, J Hakala, KL Hayden, BT Jobson, KR Kolesar, DA Lack, BM Lerner, SM Li, D Mellon, I Nuaaman, JS Olfert, T Petaja, PK Quinn, C Song, R Subramanian, EJ Williams, and RA Zaveri. 2012. "Radiative absorption enhancements due to the mixing state of atmospheric black carbon." Science, 337(6098), doi:10.1126/science.1223447. Black to the core: Scientists are combining field and laboratory measurements to understand more about the physical properties of aerosols

144

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Simulating Mixed-Phase Clouds: Sensitivity to Ice Initiation Simulating Mixed-Phase Clouds: Sensitivity to Ice Initiation Download a printable PDF Submitter: Sednev, I., Lawrence Berkeley National Laboratory Menon, S., Lawrence Berkeley National Laboratory McFarquhar, G., University of Illinois, Urbana Area of Research: General Circulation and Single Column Models/Parameterizations Working Group(s): Cloud Modeling Journal Reference: I Sednev, S Menon, and G McFarquhar. 2008. "Simulating mixed-phase Arctic stratus clouds: Sensitivity to ice initiation mechanisms." Atmospheric Chemistry and Physics Discussion 8: 11755-11819. The vertical structure and radiative properties of persistent low-level Arctic clouds depend on their microphysics, and thus, estimation of the relative significance of the microphysical processes that occur in these

145

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A New Bulk Microphysical Scheme That Includes Riming Intensity and A New Bulk Microphysical Scheme That Includes Riming Intensity and Temperature Dependent Ice Ch Download a printable PDF Submitter: Lin, Y., Geophysical Fluid Dynamics Laboratory Area of Research: General Circulation and Single Column Models/Parameterizations Working Group(s): Cloud Life Cycle Journal Reference: Lin Y and BA Colle. 2011. "A new bulk microphysical scheme that includes riming intensity and temperature dependent ice characteristics." Monthly Weather Review, 139(3), 10.1175/2010MWR3293.1. (a) Coefficients of area-diameter (A-D) relationship in the new scheme. (b) Same as (a), except for the mass-diameter (M-D) relationship. (c) Same as (a), but for the velocity-diameter (V-D) relationship. (d) Same as (c), but each line shows the variation with Ri. More details of the figure are

146

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Dust in the Wind... and the Clouds... and the Atmosphere Dust in the Wind... and the Clouds... and the Atmosphere Submitter: Sassen, K., University of Alaska, Fairbanks Area of Research: Aerosol Properties Working Group(s): Aerosol Journal Reference: Sassen, K., P.J. DeMott, J.M. Propsero, and M.R. Poellot, Saharan Dust Storms and Indirect Aerosol Effects on Clouds: CRYSTAL-FACE Results, Geophys. Res. Ltt., 30(12), 1633, doi:10/1029/2003GL017371, 2003. PDL linear depolarization ratio (color scale on top) and relative returned power (in gray scale) of height versus time displays obtained on July 29, 2002, during the CRYSTAL-FACE experiment. Depicted are strong depolarizing upper tropospheric clouds (~10km), aerosols (δ ~.10 to .15) extending up to ~5.5km, and at lower right (scale adjusted to account for signal

147

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Heating Up the Arctic: Most Complete Data Set Ever Collected Helps Heating Up the Arctic: Most Complete Data Set Ever Collected Helps Scientists Understand Aerosol Download a printable PDF Submitter: Ghan, S. J., Pacific Northwest National Laboratory Area of Research: Radiation Processes Working Group(s): Aerosol Life Cycle Journal Reference: McFarquhar GM, S Ghan, J Verlinde, A Korolev, JW Strapp, B Schmid, JM Tomlinson, M Wolde, SD Brooks, D Cziczo, MK Dubey, JW Fan, C Flynn, I Gultepe, J Hubbe, MK Gilles, A Laskin, P Lawson, WR Leaitch, P Liu, XH Liu, D Lubin, C Mazzoleni, AM Macdonald, RC Moffet, H Morrison, M Ovchinnikov, MD Shupe, DD Turner, SC Xie, A Zelenyuk, K Bae, M Freer, and A Glen. 2011. "Indirect and Semi-Direct Aerosol Campaign: the impact of Arctic aerosols on clouds." Bulletin of the American Meteorological

148

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"Radiance Assimilation" Correction Method Improves Water Vapor Radiosonde "Radiance Assimilation" Correction Method Improves Water Vapor Radiosonde Observations in the Upper Troposphere Submitter: Soden, B. J., University of Miami Area of Research: General Circulation and Single Column Models/Parameterizations Working Group(s): Cloud Modeling Journal Reference: Soden, B.J., D.D. Turner, B.M. Lesht, and L.M. Miloshevich (2004), An analysis of satellite, radiosonde, and lidar observations of upper tropospheric water vapor from the Atmospheric Radiation Measurement Program, J. Geophys. Res., 109, D04105, doi:10/1029/2003JD003828. Time-average relative humidity profiles from both original (black) and radiance-adjusted (blue) radiosonde soundings compared to the lidar (red) retrievals from field campaigns in 1996, 1997, 1999, and 2000.

149

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Modeled Vs. Measured Direct-Normal Solar Irradiance Modeled Vs. Measured Direct-Normal Solar Irradiance Submitter: Schwartz, S. E., Brookhaven National Laboratory Area of Research: Radiation Processes Working Group(s): Radiative Processes Journal Reference: Halthore R. N., Schwartz, S. E., Michalsky, J. J., Anderson, G. P., Ferrare R. A., Holben B. N., and ten Brink H. M. 1997. "Comparison of Model Estimated and Measured Direct-Normal Solar Irradiance," J. Geophys. Res. 102(D25): 29991-30002 Figure 1 Figure 2 Figure 3 Figure 4 Direct-normal solar irradiance (DNSI), the total energy in the solar spectrum incident in unit time on a unit area at the earth's surface perpendicular to the direction to the Sun, Figure 1, depends only on atmospheric extinction of solar energy without regard to the details of the

150

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Continuous Dataset of Water Vapor Measurements Throws Water on Assumptions Continuous Dataset of Water Vapor Measurements Throws Water on Assumptions of Cirrus Cloud Formation Submitter: Comstock, J. M., Pacific Northwest National Laboratory Area of Research: Cloud Distributions/Characterizations Working Group(s): Cloud Properties Journal Reference: Comstock, J. M., T. P. Ackerman, and D. D. Turner, 2004: Evidence of high ice supersaturation in cirrus clouds using ARM Raman lidar measurements. Geophys. Res. Letters, doi:10.1029/2004GL019705. To illustrate their findings, a continuous nine-hour segment of Raman lidar measurements showed upper tropospheric RHI measurements ranging from 120% near cloud tops and decreasing to about 70% at cloud base. To study the link between water vapor, cirrus cloud formation (homogenous and heterogenous) mechanisms, and their potential climatic impacts,

151

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All Mixed Up-Probing Large and Small Scale Turbulence Structures in All Mixed Up-Probing Large and Small Scale Turbulence Structures in Continental Stratocumulus Clouds Download a printable PDF Submitter: Fang, M., University of Miami Albrecht, B. A., University of Miami Area of Research: Radiation Processes Working Group(s): Cloud Life Cycle Journal Reference: Fang M, BA Albrecht, VP Ghate, and P Kollias. 2013. "Turbulence in continental stratocumulus, Part I: External forcings and turbulence structures." Boundary-Layer Meteorology, 149(454), doi:10.1007/s10546-013-9873-3. Coherent structures of the vertical velocity (left panels) and the energy dissipation rate (right panels) in updraft region during the day (a, b), night (c, d), and for entire 16 hours (e, f) of continental stratocumulus. Continental stratocumulus clouds are frequently observed in the cold side

152

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New Characterization of Organic Aerosol Evolution Will Help Improve Models New Characterization of Organic Aerosol Evolution Will Help Improve Models Download a printable PDF Submitter: Jimenez, J., University of Colorado Area of Research: Aerosol Properties Working Group(s): Aerosol Life Cycle Journal Reference: Jimenez JL and . et al. 2009. "Evolution of organic aerosols in the atmosphere." Science, 326, doi: 10.1126/science.1180353. Total mass concentration (in micrograms per cubic meter) and mass fractions of non-refractory inorganic species and organic components in submicrometer aerosols measured with the AMS at multiple surface locations in the Northern Hemisphere. Inset: Distributions of O:C for the OA components identified at the different sites. Relationship between O:C and hygroscopicity (k, or equivalently the

153

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Validation of CERES-MODIS Cloud Properties Using ARM Data Validation of CERES-MODIS Cloud Properties Using ARM Data Submitter: Dong, X., University of North Dakota Area of Research: Cloud Distributions/Characterizations Working Group(s): Cloud Properties Journal Reference: Dong, X., P. Minnis, B. Xi, S. Sun-Mack, and Y. Chen, 2007: Validation of CERES-MODIS stratus cloud properties using ground-based measurements at the DOE ARM SGP site. Accepted by J. Geophys. Res. Wielicki, B. A. and Co-authors (2000), CERES Validation Plan Overview, Release 4, 10/20/00, 58 pp. (Available at http://asd-www.larc.nasa.gov/ceres/validation/ ceresval_r4.0_over.pdf) Figure 1. Time series of surface-derived cloud-base and -top heights and temperatures (1-hour average) and matched MODIS-derived effective cloud heights and temperatures (30-km x 30-km box) for daytime single-layer and

154

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A Proposed Measurement Standard for Diffuse Radiation Flux A Proposed Measurement Standard for Diffuse Radiation Flux Download a printable PDF Submitter: Michalsky, J. J., DOC/NOAA/OAR/ESRL Area of Research: Radiation Processes Working Group(s): Radiative Processes Journal Reference: Michalsky, J. J., C. Gueymard, P. Kiedron, L. J. B. McArthur, R. Philipona, and T. Stoffel, 2007: A proposed working standard for the measurement of diffuse horizontal shortwave irradiance, J. Geophys. Res., 112, D16112, doi:10.1029/2007JD008651. The three pyranometers proposed for the international standard for diffuse flux are shown here in action during the 2006 campaign at the ACRF SGP site. Of note are the shadows of the blocking balls on the domes of each pyranometer. The blocking balls are moved by a solar tracker to continuously shade the pyranometers.

155

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Impact of Anthropogenic Emissions on Organic Aerosols During CARES Impact of Anthropogenic Emissions on Organic Aerosols During CARES Submitter: Zhang, Q., University of California, Davis Area of Research: Aerosol Processes Working Group(s): Aerosol Life Cycle Journal Reference: Setyan A, Q Zhang, M Merkel, WB Knighton, Y Sun, C Song, J Shilling, TB Onasch, S Herndon, D Worsnop, JD Fast, R Zaveri, LK Berg, A Wiedensohler, BA Flowers, MK Dubey, and R Subramanian. 2012. "Characterization of submicron particles influenced by mixed biogenic and anthropogenic emissions using high-resolution aerosol mass spectrometry: Results from CARES." Atmospheric Chemistry and Physics, 12, doi:10.5194/acp-12-8131-2012. High-resolution mass spectra (colored by ion category) and elemental ratios of the OA factors. Average contribution of ion categories to the total

156

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Laboratory-Measured Optical Properties of Primary Organic Aerosol for Laboratory-Measured Optical Properties of Primary Organic Aerosol for Humidities Up to 95% Download a printable PDF Submitter: Bond, T., University of Illinois, Urbana Rood, M. J., University of Illinois, Urbana Area of Research: Aerosol Properties Working Group(s): Aerosol Life Cycle Journal Reference: Brem BT, FC Mena Gonzalez, SR Meyers, TC Bond, and MJ Rood. 2011. "Laboratory-measured optical properties of inorganic and organic aerosols at relative humidities up to 95%." Aerosol Science and Technology, 46(2), doi:10.1080/02786826.2011.617794. Optical properties of the nigrosin benchmark aerosol as a function of relative humidity (RH). Measured extinction (σep) and scattering (σsp) for 467 nm, 530 nm and 660 nm are shown in 1a), 1b) and 1c); calculated

157

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Arctic Mixed-phase Clouds Persist with Little Help from the Local Surface Arctic Mixed-phase Clouds Persist with Little Help from the Local Surface Download a printable PDF Submitter: Shupe, M., University of Colorado Area of Research: Cloud Processes Working Group(s): Cloud Life Cycle, Cloud-Aerosol-Precipitation Interactions Journal Reference: Shupe MD, OG Persson, IM Brooks, M Tjernstrom, J Sedlar, T Mauritsen, S Sjogren, and C Leck. 2013. "Cloud and boundary layer interactions over the Arctic sea ice in late summer." Atmospheric Chemistry and Physics, 13, doi:10.5194/acp-13-9379-2013. Figure 1. Normalized profiles of (a) vertical velocity skewness and (b) variance, (c) turbulent dissipation rate, and (d) potential temperature. Black curves are all data, while red and green are for decoupled and coupled cases, respectively. Normalization is relative to the cloud top

158

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Tackling Tropical Convection in Climate Models Tackling Tropical Convection in Climate Models Submitter: Zhang, G. J., University of California, San Diego Area of Research: General Circulation and Single Column Models/Parameterizations Working Group(s): Cloud Modeling Journal Reference: Zhang, G. J., and H. Wang, 2006. Toward mitigating the double ITCZ problem in NCAR CCSM3, Geophys. Res. Lett., 33, L06709, doi:10.1029/2005GL025229 (23 March 2006). Figure 1. Climate models commonly suffer from a problem known as the double-ITCZ, which is illustrated here via observed and model-simulated rainfall at the surface. The error is seen in the region circled where, compared to observations (Image A), the original climate model (Image B) produces a second, erroneous equatorial ITCZ band southward from the one

159

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Shallow Clouds Make the Case for Remote Sensing Instrumentation Shallow Clouds Make the Case for Remote Sensing Instrumentation Submitter: McFarlane, S. A., U.S. Department of Energy Area of Research: Cloud Distributions/Characterizations Working Group(s): Radiative Processes Journal Reference: McFarlane, S. A., and W. W. Grabowski (2007). Optical properties of shallow tropical cumuli derived from ARM ground-based remote sensing, Geophys. Res. Lett., 34, L06808, doi:10.1029/2006GL028767. In this figure, the lines indicate theoretical calculations of cloud droplet size for clouds with various droplet concentrations in which no mixing occurs. The cloud droplet size shows significant variability with height. Traditionally, observations of air mixing and cloud droplet size come from in situ aircraft probes, which collect data at very high horizontal

160

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First Observation-Based Estimates of Cloud-Free Aerosol Radiative Forcing First Observation-Based Estimates of Cloud-Free Aerosol Radiative Forcing Across China Download a printable PDF Submitter: Li, Z., University of Maryland Area of Research: Aerosol Properties Working Group(s): Aerosol Life Cycle Journal Reference: N/A Mean annual shortwave aerosol radiative forcing (SWARF) averaged across China. Spatial variation of the annual mean SW aerosol radiative forcing. Heavy loading of aerosols in China is widely known, but little is known about their impact on regional radiation budgets, which is often expressed as aerosol radiative forcing (ARF). Depending on their composition, aerosols can absorb a substantial amount of solar radiation, leading to a warming of the atmosphere and cooling of the surface. Many investigations have been made to characterize atmospheric aerosols and their radiative

Note: This page contains sample records for the topic "research highlights journal" 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

Research Highlight  

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Scale Shows True Weight of Aerosol Effects on Clouds Scale Shows True Weight of Aerosol Effects on Clouds Download a printable PDF Submitter: McComiskey, A. C., National Oceanic and Atmospheric Administration Area of Research: Aerosol Processes Working Group(s): Aerosol Life Cycle Journal Reference: McComiskey A and G Feingold. 2012. "The scale problem in quantifying aerosol indirect effects." Atmospheric Chemistry and Physics, 12, doi:10.5194/acp-12-1031-2012. Differing values: Values derived from aircraft and surface observations, which represent disaggregated data, differ from those derived from satellite-based data, which represent data aggregated at a range of levels. Currently, many climate change models treat the two types of data the same. Aerosols-tiny airborne particles from sources like pollution or desert

162

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Improved Accuracy in Liquid Water Path Retrievals Improved Accuracy in Liquid Water Path Retrievals Submitter: Turner, D. D., National Oceanic and Atmospheric Administration Area of Research: Clouds with Low Optical [Water] Depths (CLOWD) Working Group(s): Radiative Processes Journal Reference: Turner, D.D., 2007: Improved ground-based liquid water path retrievals using a combined infrared and microwave approach. J. Geophys. Res., 112, D15204, doi:10.1029/2007JD008530. Turner, D.D., A.M. Vogelmann, R. Austin, J.C. Barnard, K. Cady-Pereira, C. Chiu, S.A. Clough, C.J. Flynn, M.M. Khaiyer, J.C. Liljegren, K. Johnson, B. Lin, C.N. Long, A. Marshak, S.Y. Matrosov, S.A. McFarlane, M.A. Miller, Q. Min, P. Minnis, W. O'Hirok, Z. Wang, and W. Wiscombe, 2007: Thin liquid water clouds: Their importance and our challenge. Bull. Amer. Meteor. Soc.,

163

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Aerosols Help Clouds Warm Up Arctic Aerosols Help Clouds Warm Up Arctic Submitter: Lubin, D., National Science Foundation Area of Research: Radiation Processes Working Group(s): Radiative Processes Journal Reference: Lubin, D., and A.M. Vogelmann, 2006: A climatologically significant aerosol longwave indirect effect in the Arctic, Nature, 439, 26 January, 453-456, doi:10.1038/nature04449 In a process known as the first aerosol indirect effect, enhanced aerosol concentrations cause the droplets in a cloud to be smaller and more numerous within a cloud of fixed water amount. This study found that this process can make many clouds more opaque and emit more thermal energy to the surface. The warming of the Arctic climate and decreases in sea ice area and thickness observed over recent decades are believed to result from

164

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Seasonal Case Studies Reveal Significant Variance in Large-Scale Forcing Seasonal Case Studies Reveal Significant Variance in Large-Scale Forcing Data Submitter: Xie, S., Lawrence Livermore National Laboratory Area of Research: General Circulation and Single Column Models/Parameterizations Working Group(s): Cloud Modeling Journal Reference: Xie, S, R.T Cederwall, M. Zhang, and J.J. Yio, Comparison of SCM and CSRM forcing data derived from the ECMWF model and from objective analysis at the ARM SGP site, J. Geophys. Res., 108(D16), 4499, doi:10.1029/2003JD003541, 2003. Observed (left) and ECMWF-derived (right) forcing fields of time-height distributions of the derived (top) vertical velocity, (middle) total advective tendency and temperature, and (bottom) total advective tendency of moisture during the selected strong precipitation period during summer

165

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Improving Water Vapor Absorption in Microwave Radiative Transfer Models Improving Water Vapor Absorption in Microwave Radiative Transfer Models Download a printable PDF Submitter: Turner, D. D., National Oceanic and Atmospheric Administration Loehnert, U., University of Cologne Cadeddu, M. P., Argonne National Laboratory Crewell, S., University of Cologne Vogelmann, A. M., Brookhaven National Laboratory Area of Research: Radiation Processes Working Group(s): Radiative Processes Journal Reference: Turner DD, MP Cadeddu, U Loehnert, S Crewell, and A Vogelmann. 2009. "Modifications to the water vapor continuum in the microwave suggested by ground-based 150 GHz observations." IEEE Transactions on Geoscience and Remote Sensing, 47(10), 3326-3337. Figure 1: The top panel shows downwelling microwave brightness temperature

166

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Estimating Cloud and Rainfall Parameters in a Vertical Column Above the Estimating Cloud and Rainfall Parameters in a Vertical Column Above the ACRF SGP Site Download a printable PDF Submitter: Matrosov, S. Y., CIRES/NOAA/ESRL/University of Colorado Area of Research: Cloud Distributions/Characterizations Working Group(s): Cloud Properties Journal Reference: N/A An example of MMCR (a) and WACR (b) ARM radar measurements of a stratiform precipitating event and the corresponding estimates of mean rain rate (c) and cloud IWP and LWP (d). A comprehensive characterization of all hydrometeors in the vertical column is an important task, which is crucial for model parameterization and validation purposes. For many years, the remote sensing efforts within the Atmospheric Radiation Measurement (ARM) Program were focused primarily on either non-precipitating or only weakly-precipitating (e.g., drizzling)

167

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Black Carbon Reduction of Snow Albedo Black Carbon Reduction of Snow Albedo Submitter: Kirchstetter, T. W., Lawrence Berkeley National Laboratory Area of Research: Radiation Processes Working Group(s): Aerosol Life Cycle Journal Reference: Hadley OL and TW Kirchstetter. 2012. "Black carbon reduction of snow albedo." Nature Climate Change, , doi:10.1038/nclimate1433. Spectrally weighted snow albedo over the 300-2,500 nm solar spectrum: derived from our experiments (dots, 1 standard deviation) and modelled using SNICAR (shaded bands). Upper and lower boundaries of the shaded bands correspond to modelled albedo assuming BC mass absorption cross-sections, at 550 nm, of 7.5 and 15 m2/g, respectively. Climate models indicate that the reduction of surface albedo caused by black carbon contamination of snow contributes to global warming and

168

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Characterizing Mixed-Phase Clouds from the Ground: a Status Report Characterizing Mixed-Phase Clouds from the Ground: a Status Report Download a printable PDF Submitter: Shupe, M., University of Colorado Area of Research: Cloud Distributions/Characterizations Working Group(s): Cloud Properties Journal Reference: Shupe, MD, JS Daniel, G De Boer, EW Eloranta, P Kollias, E Luke, CN Long, DD Turner, and J Verlinde. 2008. "A focus on mixed-phase clouds: The status of ground-based observational methods." Bulletin of the American Meteorological Society, accepted for publication in October 2008 issue. Figure 1. Retrieved cloud properties for 9 October 2004 at Barrow: (a) Multisensor cloud phase classification, (b) radar Doppler spectra cloud phase classification, (c) ice water content, (d) ice particle effective radius, (e) adiabatic liquid water content scaled to the microwave

169

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Simulating the Impact of Aerosols on Tropical Deep Convection Simulating the Impact of Aerosols on Tropical Deep Convection Download a printable PDF Submitter: Morrison, H. C., NCAR Area of Research: Cloud-Aerosol-Precipitation Interactions Working Group(s): Cloud Life Cycle, Cloud-Aerosol-Precipitation Interactions Journal Reference: Morrison H and WW Grabowski. 2011. "Cloud-system resolving model simulations of aerosol indirect effects on tropical deep convection and its thermodynamic environment." Atmospheric Chemistry and Physics, 11(20), doi:10.5194/acp-11-10503-201. Profiles of ensemble- and horizontally averaged a) cloud water mixing ratio, b) rain mixing ratio, c) ice mixing ratio, d) cloud droplet concentration, e) rain number concentration, and f) ice number concentration, Ni, for pristine (blue), polluted (green), and highly

170

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A Bulk Parameterization of Giant Cloud Condensation Nuclei A Bulk Parameterization of Giant Cloud Condensation Nuclei Download a printable PDF Submitter: Kogan, Y., University of Oklahoma - CIMMS Area of Research: Cloud Distributions/Characterizations Working Group(s): Cloud Modeling Journal Reference: Mechem, D. B., and Y. L. Kogan, 2007: A bulk parameterization of giant CCN. J. Atmos. Sci., conditionally accepted. Mean quantities as a function of GCCN concentration for polluted (squares) and clean (diamonds) background CCN conditions. Radiative quantities as a function of GCCN concentration for polluted and clean background CCN conditions shown in (a) optical depth; (b) albedo; (c) susceptibility; and (d) susceptibility relative to the control simulations without GCCN. A parameterization for giant cloud condensation nuclei (GCCN), suitable for

171

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Single-Column Modeling, GCM Parameterizations and ARM Data Single-Column Modeling, GCM Parameterizations and ARM Data Submitter: Somerville, R. C., Scripps Institution of Oceanography Area of Research: General Circulation and Single Column Models/Parameterizations Working Group(s): Cloud Modeling Journal Reference: Randall, D.A., K.-M. Xu, R.C.J. Somerville, and S. Iacobellis, 1996: "Single-Column Models and Cloud Ensemble Models as Links between Observations and Climate Models," J. Climate 9(8)1683-1697. Figure 1 Figure 2 Figure 3 Figure 4 Figure 5 We have developed a Single-Column Model (SCM) to validate GCM cloud-radiation parameterizations against ARM observational data. The SCM is a computationally efficient one-dimensional representation of the atmospheric column overlying a single GCM grid cell. The SCM is integrated

172

Research Highlight  

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When Pollution Gets a Whiff of Trees When Pollution Gets a Whiff of Trees Download a printable PDF Submitter: Shilling, J., Pacific Northwest National Laboratory Area of Research: Aerosol Properties Working Group(s): Aerosol Life Cycle Journal Reference: Shilling JE, RA Zaveri, JD Fast, L Kleinman, M Alexander, MR Canagaratna, E Fortner, JM Hubbe, JT Jayne, A Sedlacek, A Setyan, S Springston, DR Worsnop, and Q Zhang. 2013. "Enhanced SOA formation from mixed anthropogenic and biogenic emissions during the CARES campaign." Atmospheric Chemistry and Physics, 13, doi:10.5194/acp-13-2091-2013. Organic aerosols from tree emissions increase when mixed with manmade sources, impacting the climate. It's easy to visualize particles and gases from vehicle exhaust or burning trash wafting into the atmosphere. It's harder to envision similar gases

173

Research Highlight  

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Cloud-Top Humidity Inversions and the Maintenance of Arctic Mixed-Phase Cloud-Top Humidity Inversions and the Maintenance of Arctic Mixed-Phase Stratocumulus Submitter: Solomon, A., NOAA/ESRL/Physical Sciences Division Shupe, M., University of Colorado Area of Research: Cloud Distributions/Characterizations Working Group(s): Cloud Life Cycle Journal Reference: Solomon A, MD Shupe, O Persson, and H Morrison. 2011. "Moisture and dynamical interactions maintaining decoupled Arctic mixed-phase stratocumulus in the presence of a humidity inversion." Atmospheric Chemistry and Physics, 11, doi:10.5194/acp-11-10127-2011. Soundings of mid-day decoupled stratocumulus at Barrow, Alaska. (A) Measured 17:34Z 8 April 2008 at (71.33N,156.61W). (B) 50-m LES simulation 20Z 8 April 2008 at (71.33N,156.91W). Gray shading marks the extent of the

174

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Modeling of Scattering and Absorption by Nonspherical Cirrus Modeling of Scattering and Absorption by Nonspherical Cirrus Submitter: Dong, Q., University of Washington Area of Research: Cloud Distributions/Characterizations Working Group(s): Cloud Properties Journal Reference: Fu, Q., W.B. Sun, and P. Yang, 1999: "Modeling of Scattering and Absorption by Nonspherical Cirrus Ice Particles at Thermal Infrared Wavelengths," J. Atmos. Sci. 56(16): 2937-2947. We examined a number of commonly used methods for the calculation of the scattering and absorption properties of nonspherical ice crystals at thermal infrared wavelengths. It is found that, for randomly oriented nonspherical particles, Mie theory using equivalent ice spheres tends to overestimate the absorption efficiency while the anomalous diffraction

175

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Modification of the Atmospheric Boundary Layer by a Small Island: Modification of the Atmospheric Boundary Layer by a Small Island: Observations from Nauru Submitter: Long, C. N., Pacific Northwest National Laboratory Area of Research: Cloud Distributions/Characterizations Working Group(s): Radiative Processes Journal Reference: Matthews, S., J. M. Hacker, J. Cole, J. Hare, C. N. Long, and R. M. Reynolds, (2007): Modification of the atmospheric boundary layer by a small island: observations from Nauru, MWR, Vol. 135, No. 3, pages 891–905. Figure 1. Illustration of daytime heating producing a thermal internal boundary layer effect over Nauru, which in turn produces cumulous clouds above the boundary layer. Figure 2. Illustration of Nauru heat-island produced by convective rolls forming cloud streets. Figure 3. Satellite images of Nauru on December 13, 2000 showing the cloud

176

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Out with the Old, in with the New: McICA to Replace Traditional Cloud Out with the Old, in with the New: McICA to Replace Traditional Cloud Overlap Assumptions Submitter: Pincus, R., NOAA - CIRES Climate Diagnostics Center Area of Research: Atmospheric Thermodynamics and Vertical Structures Working Group(s): Cloud Modeling Journal Reference: Pincus, R., R. Hemler, and S.A. Klein, 2006: Using Stochastically Generated Subcolumns to Represent Cloud Structure in a Large-Scale Model. Mon. Wea. Rev., 134, 3644-3656. As shown by the difference between the two panels, the standard way (AM2, top panel) of mixing solar reflection and transmission differs systematically from the Independent Column Approximation approach. Because cloud-radiation interactions depend critically on the vertical amount of clouds, different assumptions about how this alignment occurs

177

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When It Rains, It Doesn't Always Pour When It Rains, It Doesn't Always Pour Download a printable PDF Submitter: Penide, G., Laboratoire d\\\'Optique Atmospherique Area of Research: Cloud Processes Working Group(s): Cloud Life Cycle Journal Reference: Penide G, V Kumar, A Protat, and P May. 2013. "Statistics of drop size distribution parameters and rain rates for stratiform and convective precipitation during the North Australian wet season." Monthly Weather Review, 141(9), 10.1175 /mwr-d-12-00262.1. Measurements from the Atmospheric Radiation Measurement facility at Darwin, Australia, helped scientists determine how drop size distribution and rain rates are affected by larger-scale weather patterns. Rainfall comes in a variety of forms: mist, drizzle, showers, downpours. The type and frequency of rainfall usually depends on the season and

178

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New Surface Albedo Data Set Enables Improved Radiative Transfer New Surface Albedo Data Set Enables Improved Radiative Transfer Calculations Download a printable PDF Submitter: McFarlane, S. A., U.S. Department of Energy Area of Research: Surface Properties Working Group(s): Cloud Life Cycle Journal Reference: McFarlane SA, K Gaustad, E Mlawer, C Long, and J Delamere. 2011. "Development of a high spectral resolution surface albedo product for the ARM Southern Great Plains central facility." Atmospheric Measurement Techniques, 4, 1713-1733. Time series of daily percent vegetation derived from MFR measurements for (top) 2001-2008 at 10-m tower, which is located over an unmanaged pasture; (middle) 2001-2004 at 25-m tower, which is located over a managed field; and (bottom) 2005-2008 at 25-m tower. The different seasonal cycles at the

179

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Comparing Global Atmospheric Model Simulations of Tropical Convection Comparing Global Atmospheric Model Simulations of Tropical Convection Download a printable PDF Submitter: Lin, Y., Geophysical Fluid Dynamics Laboratory Area of Research: General Circulation and Single Column Models/Parameterizations Working Group(s): Cloud Life Cycle Journal Reference: N/A Mean profiles of (first column) total precipitation normalized Q1, (second column) convective precipitation normalized convective heating, (third column) stratiform heating, and (fourth column) convective mass flux for the (top) wet, (middle) dry, and (bottom) break period from models and available observational estimates. Dashed lines are fine resolution model results. Note the different x axis scale for the third and fourth columns. An intercomparison of global atmospheric model simulations of tropical

180

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Parameterization of Riming Intensity and Its Impact on Ice Fall Speed Using Parameterization of Riming Intensity and Its Impact on Ice Fall Speed Using ARM Data Download a printable PDF Submitter: Lin, Y., Geophysical Fluid Dynamics Laboratory Area of Research: General Circulation and Single Column Models/Parameterizations Working Group(s): Cloud Life Cycle Journal Reference: Lin Y, DJ Leo, and BA Colle. 2011. "Parameterization of riming intensity and its impact on ice fall speed using ARM data." Monthly Weather Review, 139(3), 10.1175/2010MWR3299.1. (a) Scatter plot of the observed Doppler velocities from the MMCR against the ice fall velocities derived using the Heymsfield and Donner (1990) formula. (b) Same as (a), but shows the ice fall velocities derived using Eq. 4 with RMF_para. Annual long-term mean precipitation in mm day-1 for: (a) GPCPv2, (b) CTL

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181

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Can Ice-Nucleating Aerosols Affect Arctic Seasonal Climate? Can Ice-Nucleating Aerosols Affect Arctic Seasonal Climate? Submitter: Prenni, A. J., Colorado State University Area of Research: Cloud Distributions/Characterizations Working Group(s): Cloud Properties Journal Reference: Prenni, A. J., J. Y. Harrington, M. Tjernstrom, P. J. DeMott, A. Avramov, C. N. Long, S. M. Kreidenweis, P. Q. Olsson, and J. Verlinde, (2006): Can Ice-Nucleating Aerosols Affect Arctic Seasonal Climate?, BAMS, Vol.88, Iss. 4; pg. 541-550. ACIA, 2004: Impacts of a Warming Arctic: Arctic Climate Impact Assessment. Cambridge University Press, 1020pp. Additional Key Contact: Long, C. N. , Pacific Northwest National Laboratory Figure 1. Time series for the 2-day simulation plotted over Oliktok Point for Standard IN and M-PACE IN concentrations: (a) liquid water path (g

182

Research Highlight  

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Looking at the Full Spectrum for Water Vapor Looking at the Full Spectrum for Water Vapor Download a printable PDF Submitter: Turner, D. D., National Oceanic and Atmospheric Administration Area of Research: Radiation Processes Working Group(s): Cloud-Aerosol-Precipitation Interactions Journal Reference: Mlawer EJ, VH Payne, J Moncet, JS Delamere, MJ Alvarado, and DD Tobin. 2012. "Development and recent evaluation of the MT_CKD model of continuum absorption." Philosophical Transactions of The Royal Society A, 370, doi: 10.1098/rsta.2011.0295. Radiative cooling across the full infrared spectrum: The far-infrared (the left half of the figure, from 15 to 1000 microns) plays a key role in heat transfer in the atmosphere, but scientists could not measure it, and model calculations were consequently very uncertain. Field observations from

183

Research Highlight  

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Validating Single Column Models with ARM Data Validating Single Column Models with ARM Data Submitter: Somerville, R. C., Scripps Institution of Oceanography Area of Research: General Circulation and Single Column Models/Parameterizations Working Group(s): Cloud Modeling Journal Reference: Iacobellis, S.F., McFarquhar, G.M., Mitchell, D.L., and Somerville, R.C.J., 2003: "The Sensitivity of Radiative Fluxes to Parameterized Cloud Microphysics," J. Climate 16(18): 2979-2996. Scientists validated the results of both models by comparing them with the solar radiation as measured by the ARM instruments in the same grid cell. Scientists compared predictions of two models (red and blue lines) with measurements taken by ARM instruments (yellow line) at the same location. The models predict the amount and optical properties of clouds and the

184

Research Highlight  

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Cloud Tomography: a Novel Method for Determining 3D Cloud Liquid Water Cloud Tomography: a Novel Method for Determining 3D Cloud Liquid Water Distribution Download a printable PDF Submitter: Wiscombe, W. J., Brookhaven National Laboratory Area of Research: Cloud Distributions/Characterizations Working Group(s): Cloud Properties Journal Reference: Huang, D., Y. Liu, and W. Wiscombe, 2007a: Determination of cloud liquid water distribution using 3D cloud tomography. J. Geophys. Res., submitted. Cloud tomography is a novel method for determining cloud water distribution by measuring cloud microwave emission from multiple directions. The upper plot shows a 2D cross-sectional snapshot of the liquid water structure of a stratocumulus cloud simulated by a large-eddy model. It also shows the four scanning microwave radiometers used to retrieve the cloud liquid water

185

Research Highlight  

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Modeling Cloud Forcing in the Tropical West Pacific Modeling Cloud Forcing in the Tropical West Pacific Submitter: Kiehl, J., NCAR Area of Research: General Circulation and Single Column Models/Parameterizations Working Group(s): Cloud Modeling Journal Reference: Petch, J.C., and J.T. Kiehl, 1997: "Investigating Cloud Radiative Forcing in the Tropical West Pacific Using a Single Column Model." In Proceedings from the Seventh ARM Science Team Meeting, U.S. Department of Energy, Washington, D.C. Figure 1 Figure 2 Figure 3 Figure 4 Figure 5 Here is summary of the poster "Investigating Cloud Radiative Forcing in the Tropical West Pacific Using a Single Column Model" (Petch and Kiehl) presented at the ARM 7th Science Team Meeting in San Antonio, Texas, March 1997. SCCM3, a single-column version of CCM3, has been forced with TOGA-COARE

186

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"Roobik" Is Part of the Answer, Not a Puzzle "Roobik" Is Part of the Answer, Not a Puzzle Submitter: Turner, D. D., National Oceanic and Atmospheric Administration Area of Research: Radiation Processes Working Group(s): Radiative Processes Journal Reference: N/A Taking place during the arid Arctic winter, the RHUBC will obtain measurements in the far-infrared (15-40 microns), when the so-called "Arctic" infrared window between 16 and 40 microns is semi-transparent. Between February and March 2007 at the ACRF North Slope of Alaska site in Barrow, high-spectral-resolution observations will be collected by three state-of-the-art Fourier Transform Spectrometers sampling at different bands in the far-infrared. The Radiative Heating in Underexplored Bands Campaign, or RHUBC (pronounced "roobik"), will make detailed observations

187

Research Highlight  

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Mixed-Phase Cloud Radiative Properties from M-PACE Microphysical Retrievals Mixed-Phase Cloud Radiative Properties from M-PACE Microphysical Retrievals Download a printable PDF Submitter: de Boer, G., University of Colorado, Boulder/CIRES Area of Research: Radiation Processes Working Group(s): Cloud Life Cycle Journal Reference: de Boer G, WD Collins, S Menon, and CN Long. 2011. "Using surface remote sensors to derive radiative characteristics of mixed-phase clouds: An example from M-PACE." Atmospheric Chemistry and Physics, 11, doi: 10.5194/acp-11-11937-2011. Measured and retrieved cloud properties on 10 October 2004. Included are (top to bottom) AHSRL bacscatter cross-section, AHSRL depolarization ratio, MMCR reflectivity, and profiles of liquid water content (LWC), ice water content (IWC), and liquid (r_{e,liq}) and ice (r$_{e,ice}$) effective

188

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Profiling Capability of High-Resolution Oxygen A-band Spectroscopy for Profiling Capability of High-Resolution Oxygen A-band Spectroscopy for Stratus Cloud Cover Submitter: Davis, A. B., Jet Propulsion Laboratory Area of Research: Cloud Distributions/Characterizations Working Group(s): Cloud Properties Journal Reference: Davis AB, IN Polonsky, and A Marshak. 2009. Space-Time Green Functions for Diffusive Radiation Transport, in Application to Active and Passive Cloud Probing. In Light Scattering Reviews, Volume 4, pp. 169-292. Ed. by A.A. Kohkanovsky, Heidelberg, Germany: Springer. Transmission: (a) Ratio of mean path Τ to cloud thickness Η times (1-g)τ plotted versus cosine of SZA μ0 and cloud optical depth τ; asymmetry factor g was set to 0.85, then delta-rescaled to 0.46. Given this ratio (>1/2) and Η or τ, one can infer the other cloud parameter.

189

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Satellite Retrievals of Mixed-phase Cloud Properties Satellite Retrievals of Mixed-phase Cloud Properties Download a printable PDF Submitter: Ou, S., University of California, Los Angeles Area of Research: Cloud Distributions/Characterizations Working Group(s): Cloud Properties Journal Reference: Ou SS, KN Liou, XJ Wang, A Dybdahl, M Mussetto, LD Carey, J Niu, JA Kankiewicz, S Kidder, and TH Von der Haar. 2009. "Retrievals of mixed-phase cloud properties during the National Polar-Orbiting Operational Environmental Satellite System." Applied Optics, 48(8), 1452-1462. Images of mixed-phase retrieved (a) τi, (b) De, (c) τw, and (d) re for the Terra/MODIS scene of 14 October 2001 over North Platte, Nebraska. Also shown are (e) retrieved τi and τw versus MODIS τ within the pink box and (f) retrieved De and re versus MODIS re within the pink box.

190

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Modeled Compared to Measured O:C and H:C Elemental Ratios of Secondary Modeled Compared to Measured O:C and H:C Elemental Ratios of Secondary Organic Material Download a printable PDF Submitter: Martin, S., Pierce Hall School of Engineering and Applied Sciences Area of Research: Aerosol Properties Working Group(s): Aerosol Life Cycle Journal Reference: Chen Q, Y Liu, N Donahue, J Shilling, and S Martin. 2011. "Particle-phase chemistry of secondary organic material: modeled compared to measured O:C and H:C elemental ratios provide constraints." Environmental Science & Technology, , 10.1021/es104398s. Figure 1. Measurements and predictions. The first row shows particle mass yields at 298 K. The second row shows the modeled and measured particle-average O:C and H:C ratios for increasing particle mass concentrations.

191

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First Measurements of Neutral Atmospheric Cluster and 1-2 Nm Particle First Measurements of Neutral Atmospheric Cluster and 1-2 Nm Particle Number Distributions During Nucleation Events Download a printable PDF Submitter: McMurry, P. ., University of Minnesota Area of Research: Aerosol Properties Working Group(s): Aerosol Life Cycle Journal Reference: Jiang J, J Zhao, M Chen, J Scheckman, BJ Williams, FL Eisele, and PH McMurry. 2011. "First measurements of neutral atmospheric cluster and 1-2 nm particle number distributions during nucleation events." Aerosol Science and Technology, 45, doi:10.1080/02786826.2010.546817. Jiang J, M Chen, C Kuang, M Attoui, and PH McMurry. 2011. "Electrical mobility spectrometer using a diethylene glycol condensation particle counter for measurement of aerosol size distributions down to 1 nm."

192

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Integrated Water Vapor and Cloud Liquid Water at MCTEX Integrated Water Vapor and Cloud Liquid Water at MCTEX Submitter: Liljegren, J. C., Argonne National Laboratory Area of Research: Atmospheric Thermodynamics and Vertical Structures Working Group(s): Cloud Properties Journal Reference: N/A Figure 1 Figure 2 Figure 3 Figure 4 Figure 5 Integrated water vapor and cloud liquid water measurements were obtained during the Maritime Continent Thunderstorm Experiment (MCTEX) by Eugene Clothiaux and Tom Ackerman of Penn State University using an ARM microwave radiometer. The radiometer was deployed at Pularumpi, Melville Island (11.55 S, 130.56 E) off the north coast of Australia for November-December 1995. Time series of these results are shown in Figure 1. Time series of integrated or "precipitable" water vapor (PWV) and liquid

193

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Addressing the "Light Precipitation Problem" in the ECMWF Global Model Addressing the "Light Precipitation Problem" in the ECMWF Global Model Download a printable PDF Submitter: Ahlgrimm, M., European Centre for Medium-Range Weather Forecasts Area of Research: General Circulation and Single Column Models/Parameterizations Working Group(s): Cloud Life Cycle Journal Reference: Ahlgrimm M and R Forbes. 2013. "Improving the representation of low clouds and drizzle in the ECMWF model based on ARM observations from the Azores." Monthly Weather Review, , . ACCEPTED. Monthly mean cloud and precipitation occurrence from observations (red), the control version of the single column model (green) and the SCM experiment (blue). (a) Total cloud occurrence. (b) Low cloud (solid) and deep boundary layer (dashed) cloud occurrence. (c) Precipitation occurrence

194

Research Highlight  

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Production Flux of Sea-Spray Aerosol Production Flux of Sea-Spray Aerosol Download a printable PDF Submitter: Schwartz, S. E., Brookhaven National Laboratory Area of Research: Aerosol Properties Working Group(s): Aerosol Life Cycle Journal Reference: de Leeuw G, EL Andreas, MD Anguelova, ER Lewis, C O'Dowd, M Schulz, and SE Schwartz. 2011. "Production flux of sea-spray aerosol." Reviews of Geophysics, 49, RG2001, doi:10.1029/2010RG000349. Lewis ER and SE Schwartz. 2004. Sea Salt Aerosol Production: Mechanisms, Methods, Measurements, and Models-A Critical Review. Washington DC: American Geophysical Union. Parameterizations of size-dependent SSA production flux evaluated for wind speed U10 = 8 m s-1. Also, central values (curves) and associated uncertainty ranges (bands) from Lewis and Schwartz (2004). Abscissa denotes

195

Research Highlight  

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Multifractal Analysis of Radiation in Clouds: 5000km to 50cm Multifractal Analysis of Radiation in Clouds: 5000km to 50cm Submitter: Lovejoy, S., McGill University Area of Research: Atmospheric Thermodynamics and Vertical Structures Working Group(s): Cloud Properties Journal Reference: Lovejoy, S., D. Schertzer, J. D. Stanway, 2001: "Direct Evidence of planetary scale atmospheric cascade dynamics," Phys. Rev. Lett. 86(22): 5200-5203. Left: Power spectrum of the 5 different aircraft measured liquid water data sets from the FIRE experiment (averaged over 10 equally logarithmically spaced points on the k-axis and vertically offset). The absolute slopes with Β = 1.45 is indicated (straight line on top of graph) for reference. The number of sets used to compute the average from top to bottom: 4, 3, 1, 2, 5. A constant aircraft speed of 100m/s has been assumed. Right: Ensemble

196

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Retrieving Cloud Characteristics from Ground-Based Daytime Color All-Sky Retrieving Cloud Characteristics from Ground-Based Daytime Color All-Sky Images Submitter: Long, C. N., Pacific Northwest National Laboratory Area of Research: Cloud Distributions/Characterizations Working Group(s): Cloud Properties Journal Reference: Long, C. N., J. M. Sabburg, J. Calbo, and D. Pages, (2006): Retrieving Cloud Characteristics from Ground-based Daytime Color All-sky Images, JTech, 23, No. 5, 633–652. Long, C. N., J. M. Sabburg, J. Calbo, and D. Pages, (2006): Papers of Note: Retrieving Cloud Characteristics from Ground-based Daytime Color All-sky Images, BAMS, 87, No. 6, 743–744. Figure 1. Sky image (left) from 1300 LST Sept 4, 2004, and corresponding cloud decision image (right) denoting originally retrieved clear sky (blue), thin cloud (gray), and opaque cloud (white). Black denotes masked

197

Research Highlight  

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Weather Forecasting in the Tropics with Climate Models Is Feasible Weather Forecasting in the Tropics with Climate Models Is Feasible Submitter: Boyle, J., Lawrence Livermore National Laboratory Area of Research: General Circulation and Single Column Models/Parameterizations Working Group(s): Cloud Modeling Journal Reference: Climate Model Forecast Experiments for TOGA-COARE. J. Boyle,S. Klein,G. Zhang,S. Xie,X. Wei. Accepted by Monthly Weather Review Figure 1. Profiles of the apparent heat source (Q1) at the TOGA-COARE central site for the observations and day-two forecasts of the CAM, CAM with Zhang modification (ZMO), and AM2 averaged over the entire TOGA-COARE period are shown. Units are degrees Kelvin day. The CAM with the Zhang modified deep convection produced the best fit to the observations. Proper simulation of both the magnitude and level of maximum heating were shown to

198

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Development of a New Method for Estimating Evapotranspiration Using ARM Development of a New Method for Estimating Evapotranspiration Using ARM Measurements Submitter: Li, Z., University of Maryland Area of Research: Surface Properties Working Group(s): Radiative Processes Journal Reference: Wang, K., P. Wang, Z. Li, M. Cribb, and M. Sparrow (2007). A simple method to estimate actual evapotranspiration from a combination of net radiation, vegetation index, and temperature, J. Geophys. Res., 112, D15107, doi:10.1029/2006JD008351. Wang, K., Z. Li, and M. Cribb (2006). Estimation of evaporative fraction from a combination of day and night land surface temperature and NDVI: A new method to determine the Priestley-Taylor parameter. Remote Sensing of Environment, 102, 293-305. Time series of the measured (dot) and predicted ET (line) using equation

199

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Data from DOE Atmospheric Radiation Measurement Program Allows Evaluation Data from DOE Atmospheric Radiation Measurement Program Allows Evaluation of Surface Models Submitter: Robock, A., Rutgers University Area of Research: Surface Properties Working Group(s): Cloud Modeling Journal Reference: Robock, A., Luo, L., Wood, E. F., Wen, F., Mitchell, K. E., Houser, P. R., Schaake, J. C., Lohmann, D., Cosgrove, B., Sheffield, J., Duan, Q., Higgins, R. W., Pinker, R. T., Tarpley, J. D., Basara, J. D., Crawford, K. C., Evaluation of the North American Land Data Assimilation System over the Southern Great Plains during the warm season, J. Geophys. Res., 108(D22), 8846, doi:10.1029/2002JD003245, 2003 An example of the model discrepancies is shown in a comparison of monthly mean diurnal cycle data from July 1999 at the ARM Southern Great Plains

200

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The Significance of Multilayer Cloud Systems in Tropical Convection The Significance of Multilayer Cloud Systems in Tropical Convection Download a printable PDF Submitter: Stephens, G. L., Colorado State University Area of Research: Cloud Distributions/Characterizations Working Group(s): Cloud Properties Journal Reference: Stephens, GL, and NB Wood. 2007. "Properties of tropical convection observed by millimeter-wave radar systems." Monthly Weather Review 135: 821-842. Storm classifications (derived from k-means clustering analysis) applied to MWR observations from (a) Manus during MJO, (b) Manus during MJO transition, (c) Indian Ocean (JASMINE experiment) during monsoon, and (d) tropical convection off the Florida coast (CRYSTAL-FACE experiment) of cloud and precipitation echo top heights. The relative frequencies of

Note: This page contains sample records for the topic "research highlights journal" 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

Research Highlight  

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Study Aerosol Humidity Effects Using the ARM Measurements Study Aerosol Humidity Effects Using the ARM Measurements Submitter: Li, Z., University of Maryland Area of Research: Radiation Processes Working Group(s): Aerosol Journal Reference: Jeong, M.-J., Z. Li, E. Andrews, and S.-C. Tsay (2007). Effect of aerosol humidification on the column aerosol optical thickness over the Atmospheric Radiation Measurement Southern Great Plains site, J. Geophys. Res., 112, D10202, doi:10.1029/2006JD007176. (a)-(j) Column-mean aerosol humidification factor as functions of the weighted column mean RH, . The ambient RH at one of the ten level-legs of the In-situ Aerosol Profile (IAP) measurements is replaced with RH equals 99%. Comparison of estimated column R(RH) following six different methods (M1~M6). Gray solid lines and black dashed lines are linear fit and

202

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Observational Evidence of Changes in Water Vapor, Clouds, and Radiation Observational Evidence of Changes in Water Vapor, Clouds, and Radiation Submitter: Dong, X., University of North Dakota Area of Research: Cloud Distributions/Characterizations Working Group(s): Cloud Properties Journal Reference: Dong, X., B. Xi, and P. Minnis, 2006: Observational Evidence of Changes in Water vapor, Clouds, and Radiation at the ARM SGP site. Geophys. Res. Lett., 33, L19818,doi:10.1029/2006GL027132. Figure 1. This plot shows that atmospheric precipitable water vapor and downwelling infrared radiation decreased, but solar radiation increased at the SGP site from 1997 to 2004. The amount of water vapor, the dominant greenhouse gas, has a greater effect on infrared radiation than on solar. Figure 2. This plot shows that solar radiation at the surface increased

203

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Surface Characterization Data for the ARM SGP CART Site Surface Characterization Data for the ARM SGP CART Site Submitter: Cialella, A. T., Brookhaven National Laboratory Area of Research: Surface Properties Journal Reference: N/A Figure 1 Figure 2 Figure 3 Figure 4 Figure 5 The ARM External Data Center (XDC) is continually searching for surface characterization data for the ARM CART sites. These data can provide a better understanding of geophysical parameters, allowing for more accurate parameterization within General Circulation Models (GCMs), thus improving their preditive power. Below are a sample of surface characterization data available and their sources: The land use/land cover map above was provided by Oklahoma State University (Figure 1). Eighty-eight covertypes, interpreted from county orthophotos, were generalized to 25 cover types. The resolution of the data is 200m by

204

Research Highlight  

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Cloud Regimes in the TWP and Their Evolution over the MJO Cloud Regimes in the TWP and Their Evolution over the MJO Download a printable PDF Submitter: Del Genio, A. D., NASA Area of Research: Cloud Distributions/Characterizations Working Group(s): Cloud Modeling Journal Reference: Chen, Y, and AD Del Genio. 2008. "Evaluation of tropical cloud regimes in observations and a general circulation model." Climate Dynamics doi:10.1007/s00382-008-0386-6. Mean highest cloud-top vertical profiles from ARSCL (solid) and ISCCP (dashed) for each ISCCP cloud regime at Manus. Relative frequency of occurrence of each cloud regime as a function of lag in pentads relative to the MJO peak for eight MJO events covering November-April of 1999-2003. Red = deep convective, orange = anvil, yellow = congestus, green = thin cirrus, blue = shallow cumulus, violet =

205

Research Highlight  

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Improved Simulation of Boundary Layer Clouds Improved Simulation of Boundary Layer Clouds Submitter: Ghan, S. J., Pacific Northwest National Laboratory Area of Research: Atmospheric Thermodynamics and Vertical Structures Working Group(s): Cloud Properties Journal Reference: N/A Figure 1. Comparison of Boundary Layer Clouds Schemes in Climate Models with Satellite Observations Key Contributors: James McCaa, as part of his Ph.D. dissertation at University of Washington Chris Bretherton, University of Washington Dennis Hartmann, University of Washington Steven Ghan, Pacific Northwest National Laboratory Marine boundary layer clouds are among the most difficult clouds to represent in climate models. A team of atmospheric scientists from the University of Washington (UW) and the Pacific Northwest National Laboratory

206

Research Highlight  

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An Affordable, Flexible, and More Accurate Method for Computing Radiative An Affordable, Flexible, and More Accurate Method for Computing Radiative Transfer Submitter: Pincus, R., NOAA - CIRES Climate Diagnostics Center Area of Research: Radiation Processes Working Group(s): Radiative Processes Journal Reference: Pincus, R., H.W. Barker, J.J. Morcrette, A fast, flexible approximate technique for computing radiative transfer in inhomogenous cloud fields, J. Geophys. Res., Vol. 108, No. D13, 4376, doi:10.1029/2002JD003322, 2003 Key Contributors: H.W. Barker, J.J. Morcrette Cloud radiative feedback-the amount of solar radiation that is absorbed by clouds before it reaches the earth and bounces back into the atmosphere-is the single most important effect determining the magnitude of possible climate responses to human activity. However, cloud properties

207

Research Highlight  

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Data from Saharan Dust Storm Reveal Model Deficiencies Data from Saharan Dust Storm Reveal Model Deficiencies Submitter: McFarlane, S. A., U.S. Department of Energy Area of Research: Radiation Processes Working Group(s): Radiative Processes Journal Reference: Slingo, A., T.P. Ackerman, R.P. Allan, E.I. Kassianov, S.A. McFarlane, G.J. Robinson, J.C. Barnard, M.A. Miller, J.E. Harries, J.E. Russell , S. Dewitte, 2006: Observations of the impact of a major Saharan dust storm on the Earth's radiation budget. Geophys. Res. Lett., 33, L24817, doi:10.1029/2006GL027869. In March 2006, the ARM Mobile Facility recorded the strongest Saharan dust storm to reach the Niamey area in two years. The storm lasted several days, and visibility was reduced to 15 percent of normal. Observations (solid lines and star symbols) and results from two models

208

Research Highlight  

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Sub-Grid Scale Cloud Variability Affects Vertical Structure of Clouds and Sub-Grid Scale Cloud Variability Affects Vertical Structure of Clouds and Radiative Heating Submitter: McFarlane, S. A., U.S. Department of Energy Area of Research: General Circulation and Single Column Models/Parameterizations Working Group(s): Cloud Modeling Journal Reference: McFarlane, S. A., J. H. Mather, and T. P. Ackerman (2007), Analysis of tropical radiative heating profiles: A comparison of models and observations, J. Geophys. Res., 112, D14218, doi:10.1029/2006JD008290. Comparison of the distributions of cloud condensate for the ACRF TWP site at Manus using a) retrievals from the ACRF remote sensors, b) the CAM, c) all MMF columns, and d) MMF columns that do not contain precipitation. Note that the ARM observations do not include precipitation. Each panel consists

209

Research Highlight  

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Detangling Convective Oscillations at ARM Tropical Western Pacific Site: Detangling Convective Oscillations at ARM Tropical Western Pacific Site: Manus Submitter: Wang, Y., Department of Geography Long, C. N., Pacific Northwest National Laboratory Mather, J. H., Pacific Northwest National Laboratory Liu, X., Institute of Earth Environment Area of Research: Radiation Processes Working Group(s): Cloud Properties Journal Reference: Wang Y, C Long, J Mather, and X Liu. 2010. "Convective signals from surface measurements at ARM Tropical Western Pacific site: Manus." Climate Dynamics, , doi:10.1007/s00382-009-0736-z. Figure 1: (A) The time series includes the clear-sky shortwave (SW) flux (blue) and the all-sky SW flux (black) over Manus. The green line indicates a 60-day running mean. (B) Wavelet power (WP) of CRF (color shading) with

210

Research Highlight  

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A Comparison of Integrated Water Vapor Sensors: WVIOP-96 A Comparison of Integrated Water Vapor Sensors: WVIOP-96 Submitter: Liljegren, J. C., Argonne National Laboratory Area of Research: Atmospheric Thermodynamics and Vertical Structures Working Group(s): Cloud Properties Journal Reference: N/A Figure 1 Figure 2 Figure 3 Figure 4 Figure 5 The 1996 Water Vapor Intensive Operations Period (WVIOP-96) was conducted at the SGP CART central facility in September in order to assess the skill of a wide variety of sensors in measuring atmospheric water vapor. Here we present a comparison of radiometric brightness temperatures (TB) and vertically-integrated or "precipitable" water vapor (PWV) amounts derived from eight collocated ARM microwave radiometers, as well as microwave radiometers from the NOAA Environmental Technology Laboratory

211

Research Highlight  

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General Formulation for Representing Cloud-to-Rain Transition in General Formulation for Representing Cloud-to-Rain Transition in Atmospheric Models Submitter: Liu, Y., Brookhaven National Laboratory Area of Research: General Circulation and Single Column Models/Parameterizations Working Group(s): Aerosol, Cloud Modeling, Cloud Properties Journal Reference: Liu, Y., P. H. Daum, R. McGraw, M. Miller, and S. Niu, 2007: Theoretical formulation for autoconversion rate of cloud droplet concentration. Geophys. Res. Lett., 34, L116821, doi:10.1029/2007GL030389 Figure 1. The typical drop radius r* as a function of the volume-mean radius r3 derived from the new theoretical formulation. Note that a constant r* corresponds to the commonly used assumption that the autoconversion rate for droplet concentration is linearly proportional to

212

Research Highlight  

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Intercomparison of Longwave Radiative Heating Algorithms Intercomparison of Longwave Radiative Heating Algorithms Submitter: Baer, F., University of Maryland Area of Research: General Circulation and Single Column Models/Parameterizations Working Group(s): Cloud Modeling Journal Reference: Baer, F., N. Arsky, J. J. Charney, and R. G. Ellingson. 1996. "Intercomparison of Heating Rates Generated by Global Climate Model Longwave Radiation Codes." J. Geoph. Res., 101, D21, 26589-26603. 30 levels of longwave heating rates for all algorithms tested at the five locations for the high cloud Same as Figure 1 but with the clouds removed (clear sky assumption). Same as Figure 1 but a different view. Averaged heating rates and heating rates of averaged. Same as Figure 3 but with the clouds removed (clear sky assumption).

213

Research Highlight  

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a Cloud-Resolving Model to Identify the Role of Aerosols on Clouds a Cloud-Resolving Model to Identify the Role of Aerosols on Clouds and Precipitation Download a printable PDF Submitter: Tao, W., NASA - Goddard Space Flight Center Area of Research: Cloud Distributions/Characterizations Working Group(s): Aerosol, Cloud Modeling Journal Reference: Tao, W.-K., X. Li, A. Khain, T. Matsui, S. Lang, and J. Simpson, 2007: The role of atmospheric aerosol concentration on deep convective precipitation: Cloud-resolving model simulations. J. Geophy. Res., (accepted). Zeng, X., W.-K. Tao, S. Lang, A. Y. Hou, M. Zhang, and J. Simpson, 2007: On the sensitivity of atmospheric ensemble states to cloud microphyics in long-term cloud-resolving model simulations. J. Meteor. Soc. Jpn., (submitted). Figure 1. Dirty environment (or high CCN) enhances precipitation in a

214

Research Highlight  

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Atmospheric Moistening by Clouds Sustains Madden-Julian Oscillation Atmospheric Moistening by Clouds Sustains Madden-Julian Oscillation Download a printable PDF Submitter: Hagos, S. M., Pacific Northwest National Laboratory Area of Research: Atmospheric Thermodynamics and Vertical Structures Working Group(s): Cloud Life Cycle Journal Reference: N/A Outgoing longwave radiation (OLR Wm-2) signals in the tropics averaged between 10°S and 10°N from (a) a regional simulation with moisture constrained by observations and (b) NOAA-CPC satellite observations. The lines mark the eastward MJO propagation speed of 4 m/s. The constrained model is able to reproduce the key OLR features in the observations. Originating over the Indian Ocean, the Madden-Julian Oscillation (MJO) is an equatorial planetary-scale envelope of complex multi-scale cloud systems

215

Research Highlight  

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Island-Induced Cloud Plumes Influence Tropical Atmospheric Measurements, Island-Induced Cloud Plumes Influence Tropical Atmospheric Measurements, Surface Radiation Submitter: McFarlane, S. A., U.S. Department of Energy Area of Research: Radiation Processes Working Group(s): Radiative Processes Journal Reference: McFarlane, S.A., Long, C.N., and Flynn, D., Nauru Island Effect Study, Fourteenth ARM Science Team Meeting, March 22 to 26, 2004, Albuquerque, New Mexico. Nauru Island, about 1,200 miles northeast of Papua New Guinea in the western South Pacific, is one of three instrumented island sites that comprise ARM's Tropical Western Pacific locale. A key objective of the U.S. Department of Energy's Atmospheric Radiation Measurement (ARM) Program is to identify interactions between the processes that determine the radiative properties of an atmospheric column, including

216

Research Highlight  

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Using the ACRF Shortwave Spectrometer to Study the Transition Between Clear Using the ACRF Shortwave Spectrometer to Study the Transition Between Clear and Cloudy Regions Download a printable PDF Submitter: Marshak, A., NASA - Goddard Space Flight Center Chiu, J., University of Reading Knyazikhin, Y., Boston University Pilewskie, P., University of Colorado Wiscombe, W. J., Brookhaven National Laboratory Area of Research: Radiation Processes Working Group(s): Radiative Processes Journal Reference: Chiu C, A Marshak, Y Knyazikhin, P Pilewskie, and W Wiscombe. 2009. "Physical interpretation of the spectral radiative signature in the transition zone between cloud-free and cloudy regions." Atmospheric Chemistry and Physics, 9(4), 1419-1430. (a) Total sky images on 18 May 2007, and (b) plot of SWS normalized zenith radiances. In (b), arrows pointed at the time axis correspond to the times

217

Research Highlight  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Evaluation of Microwave Radiometer Performance in Alaska Evaluation of Microwave Radiometer Performance in Alaska Submitter: Liljegren, J. C., Argonne National Laboratory Area of Research: Atmospheric Thermodynamics and Vertical Structures Working Group(s): Cloud Properties, Radiative Processes Journal Reference: N/A Figure 1 Figure 2 Figure 3 Figure 4 Figure 5 In order to determine the extent to which the ARM microwave radiometers would need to be modified to accommodate Arctic operations, an instrument designed for the Tropical Western Pacific was deployed at the University of Alaska at Fairbanks and continuously operated from 14 December 1995 through 20 June 1996 with the assistance of North Slope Site Scientist Knut Stamnes and Deputy Site Scientist Abdul Alkezweeny. Time series plots of the data are presented in Figure 1.

218

Research Highlight  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

A Consistency Analysis of ARESE Aircraft Measurements A Consistency Analysis of ARESE Aircraft Measurements Submitter: Li, Z., University of Maryland Area of Research: Radiation Processes Working Group(s): Radiative Processes Journal Reference: Li, Z., A.P. Trishchenko, H.W. Barker, G.L. Stephens, and P. Partain, 1999: "Analyses of Atmospheric Radiation Measurement (ARM) program's Enhanced Shortwave Experiment (ARESE) multiple data sets for studying cloud absorption," J. of Geophys. Res. 104(D16):19127-19134 Figure 1. Comparisons of TOA albedos inferred from measurements made by TSBR, GOES-8, and SSP. Two sets of GOES-based estimates are shown for an aircraft along the Egrett's flight path: one for an aircraft skimming the cloud tops (dotted lines); and another for one at 14 km (thin solid lines).

219

Research Highlight  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

To Rain or Not to Rain...Aerosols May Be the Answer To Rain or Not to Rain...Aerosols May Be the Answer Download a printable PDF Submitter: Li, Z., University of Maryland Area of Research: Cloud-Aerosol-Precipitation Interactions Working Group(s): Cloud-Aerosol-Precipitation Interactions Journal Reference: Niu F and Z Li. 2012. "Systematic variations of cloud top temperature and precipitation rate with aerosols over the global tropics." Atmospheric Chemistry and Physics, 12, doi:10.5194/acp-12-8491-2012. Cloud-top temperature (A, C) and ice water path (B, D) as functions of AI/AOT for warm (blue dots) and cold (red dots) base mixed-phase clouds and liquid clouds (green dots) over the ocean (upper panels) and land (lower panels). The right-hand axes of (A) and (C) are for liquid clouds. Precipitation rate as a function of AI for mixed-phase (blue dots) and

220

Research Highlight  

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Aerosol Life Cycle, Cloud-Aerosol-Precipitation Interactions Journal Reference: Xu L, LM Russell, RC Somerville, and PK Quinn. 2013. "Frost flower aerosol effects on Arctic...

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221

Research Highlight  

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Turner DD and PJ Gero. 2011. "Downwelling infrared radiance temperature climatology for the Atmospheric Radiation Measurement Southern Great Plains site." Journal of...

222

Research Highlight  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

of aggregates of bullet rosettes in cirrus." Journal of Applied Meteorology and Climatology 46, 757-775. Two images of idealized geometry of the representation of aggregates...

223

Research Highlight  

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AERI-ER at the SHEBA Ice Station: Far Infrared H2O Continuum AERI-ER at the SHEBA Ice Station: Far Infrared H2O Continuum Submitter: Revercomb, H. E., University of Wisconsin, Madison Area of Research: Radiation Processes Working Group(s): Radiative Processes Journal Reference: Tobin, D.C., F.A. Best, P.D. Brown, S.A. Clough, R.G. Dedecker, R.G. Ellingson, R.K. Garcia, H.B. Howell, R.O. Knuteson, E.J. Mlawer, H.E. Revercomb, J.F. Short, P.F.W. van Delst, and V.P. Walden, 1999. "Downwelling spectral radiance observations at the SHEBA ice station: Water vapor continuum measurements from 17 to 26μm," JGR 104(D2): 2081-2092 Figure 1. Comparison of clear sky downwelling radiance spectra measured with the University of Wisconsin AERI system at the SGP CART site near Lamont, Oklahoma and with the extended range AERI at the SHEBA Ice Station,

224

Research Highlight  

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Group(s): Cloud-Aerosol-Precipitation Interactions Journal Reference: Shrivastava M, LK Berg, J Fast, R Easter, A Laskin, WI Gustafson, Y Liu, and CM Berkowitz. 2013. "Modeling...

225

Research Highlight  

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Group(s): Aerosol Life Cycle Journal Reference: Kassianov E, J Barnard, M Pekour, L Berg, J Shilling, C Flynn, F Mei, and A Jefferson. 2014. "Simultaneous retrieval of...

226

Research Highlight  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

-Aerosol-Precipitation Interactions Journal Reference: Qian Y, MY Huang, B Yang, and LK Berg. 2013. "A modeling study of irrigation effects on surface fluxes and land-air-cloud...

227

Research Highlight  

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Working Group(s): Aerosol Life Cycle Journal Reference: Moffet RC, TC Rdel, ST Kelly, XY Yu, GT Carroll, J Fast, RA Zaveri, A Laskin, and MK Gilles. 2013....

228

Research Highlight  

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using spectral microphysical modeling." Journal of Applied Meteorology and Climatology, 52(12), doi:10.1175JAMC-D-13-073.1. Ryzhkov AV, MR Kumjian, SM Ganson, and P...

229

Research Highlight  

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tracking clouds using scanning ARM cloud radars." Journal of Applied Meteorology and Climatology, , . ONLINE. A 2.5-hour long observing sequence from 25 May 2011 of (a) the Total...

230

Research Highlight  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Group(s): Cloud Modeling Journal Reference: Cole, J. N. S., H. W. Barker, D. A. Randall, M. F. Khairoutdinov, and E. E. Clothiaux (2005), Global consequences of interactions...

231

Research Highlight  

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researchers published research in 2007 that addressed assumptions in the ability of diesel exhaust organic aerosols to mix with organic aerosols from tree evaporate. This new...

232

Research Highlights  

Broader source: Energy.gov [DOE]

DOE partners with leading researchers from industry, academia, and national laboratories to accelerate advances in solid-state lighting (SSL). These researchers have made dramatic progress in just a few years, achieving several world records as well as national recognition.

233

Research Highlight  

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Environmental Thermodynamics Affect Radiative Impact of Deep Convective Cloud Systems Submitter: Jensen, M., Brookhaven National Laboratory Area of Research: Atmospheric...

234

Research Highlight  

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Cotton-Ball Clouds Contained Download a printable PDF Submitter: Berg, L., Pacific Northwest National Laboratory Area of Research: Cloud Processes Working Group(s): Cloud Life...

235

Research Highlight  

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a Modified Scheme for Shallow Convection with CuP Download a printable PDF Submitter: Berg, L., Pacific Northwest National Laboratory Area of Research: Cloud Processes Working...

236

Research Highlight  

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the First Aerosol Indirect Effect in Shallow Cumuli Download a printable PDF Submitter: Berg, L., Pacific Northwest National Laboratory Area of Research: Aerosol Properties Working...

237

Research Highlight  

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Chemical Diffusivity and Viscosity of Secondary Organic Aerosols Download a printable PDF Submitter: Zelenyuk-Imre, A., Pacific Northwest National Laboratory Area of Research:...

238

Research Highlight  

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Y Qian, and JE Penner. 2012. "Constraining cloud lifetime effects of aerosols using A-Train satellite observations." Geophysical Research Letters, 39, L15709, doi: 10.1029...

239

Research Highlight  

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Growing More Effective Ways to Measure Climate Change Download a printable PDF Submitter: Maseyk, K. S., Universite Pierre et Marie Curie, Paris 6 Area of Research: Surface...

240

Research Highlight  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Curve Captures Cloud System Variability Submitter: Lamb, P. J., University of Oklahoma Area of Research: Cloud DistributionsCharacterizations Working Group(s): Cloud...

Note: This page contains sample records for the topic "research highlights journal" from the National Library of EnergyBeta (NLEBeta).
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241

Research Highlight  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Tests of Single-Column Models with ARM Data Submitter: Randall, D. A., Colorado State University Area of Research: General Circulation and Single Column ModelsParameterizations...

242

Research Highlight  

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algorithms from the research domain to operational applications. But while the standardization of algorithms is an important concern of the radar community, an awareness of the...

243

Research Highlight  

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Weather Prediction and Climate Simulation: a Meeting of the Models Submitter: Xie, S., Lawrence Livermore National Laboratory Area of Research: General Circulation and Single...

244

Research Highlight  

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ARM Climate Research Facility at the Southern Great Plains site to evaluate three major Numerical-Weather-Prediction reanalyses (ERA-Interim, NCEPNCAR Reanalysis I, and NCEPDOE...

245

Research Highlight  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

MBL Cloud Properties Derived from the Azores-AMF Observations Submitter: Dong, X., University of North Dakota Area of Research: Cloud Processes Working Group(s):...

246

Research Highlight  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Estimating Glaciation Temperature of Deep Convective Clouds with Remote Sensing Data Download a printable PDF Submitter: Li, Z., University of Maryland Area of Research: Cloud...

247

Research Highlight  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

A., Pacific Northwest National Laboratory Area of Research: Atmospheric Thermodynamics and Vertical Structures Working Group(s): Cloud-Aerosol-Precipitation Interactions...

248

Research Highlight  

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of Maryland Sawyer, V. R., University of Maryland Area of Research: Atmospheric Thermodynamics and Vertical Structures Working Group(s): Cloud-Aerosol-Precipitation Interactions...

249

Research Highlight  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Effects of Sea Spray on the Thermodynamics of the Hurricane Boundary Layer Download a printable PDF Submitter: Khain, A., The Hebrew University of Jerusalem Area of Research:...

250

Research Highlight  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

New Insight on the Atmosphere's Tiniest Particles Download a printable PDF Submitter: Smith, J., NCAR McMurry, P. ., University of Minnesota Area of Research: Aerosol Properties...

251

Research Highlight  

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Optical Depth Measurements by Shadowband Radiometers and Their Uncertainties Download a printable PDF Submitter: Alexandrov, M. D., Columbia University Area of Research: Radiation...

252

Research Highlight  

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For Estimates of Cloud Optical Thickness, Simple Equation Is Good Enough Submitter: Barnard, J. C., Pacific Northwest National Laboratory Area of Research: Cloud Distributions...

253

Research Highlight  

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Madden-Julian Oscillation Heating: to Tilt or Not to Tilt Download a printable PDF Submitter: Schumacher, C., Texas A&M University Area of Research: Cloud Processes Working...

254

Research Highlight  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Observing Warm Clouds in 3D Using ARM Scanning Cloud Radars and a Novel Ensemble Method Download a printable PDF Submitter: Fielding, M. D., University of Reading Area of Research:...

255

Argonne CNM: 2007 Research Highlights  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

7 Highlights 7 Highlights CNM Research Featured in Journal (November 2007) Heavier hydrogen on the atomic scale reduces friction (November 2007) High-performance, flexible nanotechnology hydrogen sensors (Nanowerk Spotlight, October 11, 2007) CNM Research Highlighted in Scientific Journal (September 2007) Researchers improve ability to write and store information on electronic devices (September 2007) Palladium Nanoparticle Electrodeposition on Nanotubes Results in New Flexible Hydrogen Sensors (August 2007) Nano-boric acid makes motor oil more slippery (August 2007) Nanotechnology helps scientists make bendy sensors for hydrogen vehicles (July 2007) Tightly Packed Molecules Lend Unexpected Strength to Nanothin Sheet of Material (July 2007) Getting the 'Hole' Picture Up Close (photonics.com, June 2007)

256

Highlighting Biofuels Research  

Science Journals Connector (OSTI)

Highlighting Biofuels Research ... It is a massive program considering that we now have about 200 biofuel production facilities in a dozen states representing billions of dollars investment. Similarly, it has spawned a prolific amount of research and hundreds of research articles appearing annually. ...

Jerald L. Schnoor

2010-11-11T23:59:59.000Z

257

ARM - Research Highlights  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

CenterResearch Highlights CenterResearch Highlights Media Contact Lynne Roeder lynne-dot-roeder-at-pnnl-dot-gov @armnewsteam Field Notes Blog Topics Field Notes89 AGU 3 AMIE 10 ARM Aerial Facility 2 ARM Mobile Facility 1 6 ARM Mobile Facility 2 47 BAECC 1 BBOP 4 MAGIC 12 MC3E 17 SGP 2 STORMVEX 29 TCAP 3 Search News Search Blog News Center All Categories What's this? Social Media Guidance News Center All Categories Features and Releases Facility News Field Notes Blog feed Events feed Employment Research Highlights Data Announcements Education News Archive What's this? Social Media Guidance Research Highlights Research Highlights Archive » Forecast Calls for Better Models: Examining the Core Components of Arctic Clouds to Clear Their Influence on Climate Jan 07, 2014 Predicting how atmospheric aerosols influence cloud formation and the resulting feedback to climate is a challenge that limits the accuracy of atmospheric models. This is especially true in the Arctic, where mixed-phase (both ice- and liquid-based) clouds are frequently observed, but the processes that determine their composition are poorly understood. To obtain a closer look [...]

258

Research Highlights Nature Nanotechnology  

E-Print Network [OSTI]

© 2009 APS Research Highlights Nature Nanotechnology Published online: 17 July 2009 | doi:10 perfect fluid. Phys. Rev. Lett. 103, 025301 (2009). | Article |1. Nature Nanotechnology ISSN 1748 : Nature Nanotechnology http://www.nature.com/nnano/reshigh/2009/0709/full/nnano.2009.222.html 1 of 1 18

Müller, Markus

259

CFN | Research Highlights Archive  

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Center for Functional Nanomaterials Research Highlights Archives Center for Functional Nanomaterials Research Highlights Archives Measurement of Spin Torque Non-adiabaticity in Magnetic Vortices Tuesday, December 10, 2013 Thermopower of Highly Conducting Au-C Bonded Single-molecule Circuits Tuesday, October 22, 2013 Resolution Limits of Electron-beam Lithography Pushed Towards the Atomic Scale Tuesday, October 22, 2013 Polymer Solar Cells Employing Förster Resonance Energy Transfer Monday, August 19, 2013 Mesoscale Linear Assembly of Nanostructures Monday, July 8, 2013 Sub 15-nm Patterns for Magnetic Recording Using Block Copolymers Monday, July 8, 2013 Engineering Catalytic Contacts with Binary Nanocrystal Superlattices Sunday, April 7, 2013 Chemical Modification of Self-Assembled Block Copolymers for Area-Selective Formation of Metal Oxide Nanostructures

260

Argonne CNM: Research Highlights  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Recent Research Highlights Recent Research Highlights Optimizing Self-Assembly to Enable Photocatalysis (December 2013) Casimir Force Reduction through Nanostructuring (December 2013) South Pole Telescope Detector Aids Study of the Universe (November 2013) Surface Plasmon Resonance in Interfaced Heterodimers (October 2013) Visualizing Short-Range Charge Transfer at Interfaces (September 2013) Bio-Assisted Nanophotocatalyst for Hydrogen Production (August 2013) Large Wave-Vector Phonon Modes in Silicon Nanomembranes (July 2013) Nanomechanical Resonator Self-Assembled from Nanoparticles (June 2013) Scientists Detect Residue that has Hindered Efficiency of Promising Type of Solar Cell (May 2013) Imaging Nanoscale Polarization in Ferroelectrics with Coherent X-Rays (May 2013) Chiral "Pinwheels" Self-Assembled from C60 and Pentacene (April 2013)

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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
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261

Advanced Materials Research Highlights | ORNL  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Advanced Materials | Research Highlights Research Highlights 1-10 of 93 Results Prev 12345 Next Single Supported Atoms Participate in Catalytic Processes December 04, 2014 -...

262

Sector 6 Research Highlights  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

MM-Group Home MM-Group Home MMG Advisory Committees Beamlines 4-ID-C Soft Spectroscopy 4-ID-D Hard Spectroscopy 6-ID-B,C Mag. Scattering 6-ID-D HighE Scattering 29-ID IEX - ARPES,RSXS Getting Beamtime Sector Orientation Sector 4 Orientation Sector 6 Orientation Publications (4-ID) Publications (6-ID) Contact Us APS Ring Status Current APS Schedule Highlights of research on Sector 6 Teasing Out the Nature of Structural Instabilities in Ceramic Compounds Teasing Out the Nature of Structural Instabilities in Ceramic Compounds March 12, 2013 Researchers have used beamlines 6-ID-B at the APS and XmAS at the ESRF to probe the structure of the rare-earth magnetic material europium titanate. In a magnetic field, the optical properties of this system change quite dramatically, presenting hope of a strong magneto-electric material for potential use in new memory, processing, and sensor devices.

263

From: Nature Research Highlights  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Renewal White Paper Renewal White Paper Winner of AAAS Science Education Prize Visits Argonne SESAME and the APS: Opening Doors Helps the Light Shine In Taking the FaST Track to Synchrotron X-ray Science A Vote of Thanks! APS News Archives: 2012 | 2011 | 2010 | 2009 2008 | 2007 | 2006 | 2005 2004 | 2003 | 2002 | 2001 2000 Subscribe to APS News rss feed From: Nature Research Highlights Physical Chemistry: "Electrons with a Twist" DECEMBER 1, 2008 Bookmark and Share Nature Magazine The direction of an electron's spin is sufficient to determine the decomposition rate of the two mirror-image forms of a molecule. Richard Rosenberg of Argonne National Laboratory in Illinois and his colleagues drew this conclusion after firing X-rays at a magnetic iron-nickel alloy coated with thin layers of 2-butanol. This freed

264

Research Highlights | Neutron Science | ORNL  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Research Highlights Research Highlights Biology & Medicine Biotechnology & Energy Fundamental Physics Imaging Magnetism Materials Nanotechnology Superconductivity Facilities and Capabilities Instruments User Program Publications and Resources Science and Education News and Awards NScD Careers Supporting Organizations Neutron Science Home | Science & Discovery | Neutron Science | Research Highlights SHARE Research Highlights No current Research Highlights found. 1-10 of 43 Results Comprehensive phonon "map" offers direction for engineering new thermoelectric devices January 08, 2014 - To understand how to design better thermoelectric materials, researchers are using neutron scattering at SNS and HFIR to study how a compound known as AgSbTe2, or silver antimony telluride, is

265

Research Highlights | Clean Energy | ORNL  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Clean Energy Clean Energy Research Areas Research Highlights Facilities and Centers Tools & Resources News and Awards Supporting Organizations Clean Energy Home | Science & Discovery | Clean Energy | Research Highlights SHARE Research Highlights 1-20 of 48 Results Advances in Understanding Durability of the Building Envelope: ORNL Research November 22, 2013 - Moisture, and its accompanying outriders - things like mold, corrosion, freeze damage, and decay - present powerful threats to the durability and long-term performance of a building envelope. First Annual Housing Innovation Award Winners Announced November 22, 2013 - On October 4, 2013, the US Department of Energy (DOE) presented the inaugural winners of the firstever Housing Innovation Awards.

266

Research Highlights | ORNL Neutron Sciences  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Home › ResearchHighlights › Biology & Medicine Home › ResearchHighlights › Biology & Medicine Research Highlights Biology & Medicine New technique for improving cancer detection Contact:Maria Cekanova Neutrons help shed light on critical protein activity that protects our DNA Published Work: "A new structural framework for integrating replication protein A into DNA processing machinery" Contact: Walter Chazin SNS researchers overcome the freezing sample problem in biostudies (2012) Published Work: "Water-protein dynamic coupling and new opportunities for probing it at low to physiological temperatures in aqueous solutions" Contact: Eugene Mamontov Studying how a protein's dynamics can take down a killer (2012) Contact: Melissa Sharp Martha "cow-laborates" to help unravel protein structure in milk

267

Argonne CNM: 2011 Research Highlights  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Archive: 2011 Research Highlights Archive: 2011 Research Highlights Monitoring the Transformation of Silver Nanowires into Gold Nanotubes with in situ Transmission X-Ray Microscopy (December 2011) Batteries Get a Quick Charge with New Anode Technology (November 2011) Small Defects Mean Big Problems for Industrial Solar Cells (October 2011) Luminescent Solar Concentrators Improved by Microcavity Effects (September 2011) New Etching Technique: Sequential Infiltration Synthesis (August 2011) Bifunctional Plasmonic/Magnetic Nanoparticles (August 2011) Structural Consequences of Nanolithography (August 2011) Thinnest Nanofiltration Membrane to Date (July 2011) STM of individual grains in CVD-grown graphene (June 2011) New Inorganic Semiconductor Layers Hold Promise for Solar Energy (June 2011)

268

Texas Rice, Highlights in Research  

E-Print Network [OSTI]

Texas Rice Special Section Texas Rice Special Section - I Highlighting Research in 2005 Agronomic Management continued on next page Mike Jund, Research Associate and Darrell Hagler, Technician II, with recently retired Dr. Fred Turner (Center... were conducted by Fred Turner, Mike Jund, Darrell Hagler and the Eagle Lake staff. For more information contact Mike Jund at 409-752-2741 ext. 2223 or email m-jund@tamu.edu. Seeding Rates and Nitrogen Interactions Reduced seeding rates are often...

2005-01-01T23:59:59.000Z

269

Research Highlights | Nuclear Science | ORNL  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

News and Awards News and Awards Nuclear Science Home | Science & Discovery | Nuclear Science | Research Highlights SHARE Research Highlights 1-3 of 3 Results Neutron scattering continues as a vital tool in superconductivity studies January 01, 2011 - In 2008, the totally unexpected discovery of a New class of superconductors, the iron pnictides, set off A Feverish international effort to understand them. Fabrication and Characterization of Uranium-based High Temperature Reactor Fuel June 01, 2013 - The Uranium Fuel Development Laboratory is a modern R&D scale lab for the fabrication and characterization of uranium-based high temperature reactor fuel. Light Water Reactor Fuel Cladding Research June 01, 2013 - ORNL is the focus point for Light Water Reactor (LWR)

270

Research Highlights | ORNL Neutron Sciences  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Biology & Medicine Archive Biology & Medicine Archive Research Highlights Biology & Medicine Archive Small-Angle Neutron Scattering Team Finds Structural Differences in Sindbis Virus Particles from Different Host Species (2010) Published Work: "The Structure of Sindbis Virus Produced from Vertebrate and Invertebrate Hosts as Determined by Small-Angle Neutron Scattering" Contact: Flora Meilleur Targeted Drug Delivery Systems Studies of the unique structure of synthetic molecules will help in the development of drugs that can target diseased areas of the body. This researched on dendrimers revealed how molecules function within solutions at different pH levels. (2008) Research in progress. Contact: Wei-Ren Chen "Intelligent" Polymers for Biomedical Technologies

271

Research Highlights | ORNL Neutron Sciences  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Superconductivity Superconductivity Research Highlights Superconductivity Archive New Neutron Studies Support Magnetism's Role in Superconductors Recent neutron scattering experiments give strong evidence that if superconductivity is related to a material's magnetic properties, the same mechanisms are behind both copper-based, high-temperature superconductors and the newly discovered iron-based superconductors. The research was performed at SNS and HFIR and the ISIS Facility at Rutherford Appleton Laboratory in England. (2010) Published Work: "Evolution of spin excitations into the superconducting state in FeTe1-xSex" Contact: Mark Lumsden Advances in Unconventional Iron-Based Superconductors The discovery of more diverse superconducting materials will lead to more

272

Research Highlights Sorted by Submission Data  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

HighlightsSort HighlightsSort Form Submit a New Research Highlight Sort Highlights Submitter Title Research Area Working Group Submission Date DOE Progress Reports Notable Research Findings for 2001-2006 Biological and Environmental Research Abstracts Database Research Highlights Summaries Research Highlights sorted by Submission Data "Invisible" Giants in the Sky ARM ASR Kassianov, E. "Radiance Assimilation" Correction Method Improves Water Vapor Radiosonde Observations in the Upper Troposphere ARM Soden, B. J. "Roobik" Is Part of the Answer, Not a Puzzle ARM Turner, D. D. 2007 Floods Not a Complete Washout in U.S. Great Plains ARM ASR Bhattacharya, A. A "Little" Respect: Droplet Nucleation Finally Included in Global Climate Model ARM Ghan, S. J.

273

Research Highlights | ORNL Neutron Sciences  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Superconducting Research for ITER Superconducting Research for ITER Materials Engineering Research at SNS Helps International Collaboration on Fusion Energy Research Contact: Xun-Li Wang May 2011, Written by Deborah Counce Scientists and engineers at ORNL are working with the ITER Organization and the Japanese Atomic Energy Agency to resolve issues with a critical component of ITER's experimental fusion reactor. ITER is the international research facility in southeastern France whose mission is to demonstrate the feasibility of fusion as a practical long-term energy source. VULCAN VULCAN, engineering diffractometer at SNS. The VULCAN Engineering Diffractometer at SNS is being used to examine superconducting cables for ITER's central solenoid magnet, which induces the electrical current needed to confine and shape the plasma inside the

274

University of Delaware | CCEI Research Highlights  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Research Highlights Discovering New Catalytic Technologies Click on the links below to learn about our exciting new discoveries impacting the scientific community. (beginning with...

275

Research Highlights | ORNL Neutron Sciences  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Battery Studies Battery Studies A Wealth of New Battery Research at SNS and HFIR Technical Contacts: Xun-Li Wang, Ashfia Huq, Jung-Hyun Kim October 2010, Written by Carolyn Krause Neutron scattering, capable of looking deep inside the structures of materials used in technologies such as batteries and fuel cells, is a natural tool for research in energy storage and production. Several users of neutron scattering instruments at the SNS and HFIR presented details of their energy-related research to prospective scientific facility users attending the opening session of ORNL's User Week at SNS. Most of the energy-related research reported in the session dealt with batteries for electric and hybrid electric cars. Better batteries are also needed for storing excess electricity generated by wind and solar power so

276

Texas Rice, Highlights in Research  

E-Print Network [OSTI]

soil at Eagle Lake the early flood effect on biomass was less evident but still plants reached the reproductive stage earlier. Technical support for the Soils and Plant Nutrition project consist of Mike Jund (Research Associate), Darrell Hagler.../A POST on coarse soils. Research on these projects was conducted by John OBarr, Garry McCauley and Mike Chandler. Factors Influencing Command Injury Studies are currently in progress at Eagle Lake, Ganado and Beaumont to better understand the factors...

2002-01-01T23:59:59.000Z

277

Texas Rice, Highlights in Research  

E-Print Network [OSTI]

herbicide technology that selec- tively removes red rice from commercial rice without harming the crop. Previously research has indicated that first generation Clearfield cultivars displayed minimal tolerance to Newpath therefore a second generation... was developed and displayed increased tolerance. As new cultivars are developed, research testing tolerance continues to be important. This year we are looking at four new or existing culti- vars, CL-XL745, CL-XL730, CL-XL729, CL171-R, and CL161 testing...

2007-01-01T23:59:59.000Z

278

Research Highlights | ORNL Neutron Sciences  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Fast Proton Hopping in Ice Fast Proton Hopping in Ice Fast Proton Hopping in Ice (Ih) Confirmed by Quasi-Elastic Neutron Scattering "With these results, we have an experimental proof of fast proton hopping in ice," researcher says Research Contact: Alexander Kolesnikov June 2011, Written by Agatha Bardoel Protons (positive hydrogen ions) in an ice lattice have been "seen" to fast hop from one water molecule to another, using quasi-elastic neutron scattering at the SNS Backscattering Spectrometer, BASIS. This fundamental phenomenon that occurs at very low temperatures has important consequences for future investigations of proton conductivity in solids. The research could open the door to a new understanding of how electrolytes work in a system. Proton hopping in ice occurs when "extra" protons diffuse through

279

Research Highlights | ORNL Neutron Sciences  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Ionic Liquids for Biofuels Ionic Liquids for Biofuels SANS Probes Surface of Four Feed Stocks Pretreated with Ionic Liquid Research promising for renewable and sustainable biofuels and chemicals Research Contact: Seema Singh May 2011, Written by Agatha Bardoel Ionic liquids have emerged as promising new solvents capable of disrupting the cellulose crystalline structure, possibly also breaking important chemical linkages, in a wide range of biomass feedstocks. Such biomass is of significant future importance for providing fuels and chemicals. Biomass has a complex mixture of cellulose, hemicellulose, and lignin that is difficult to break down and requires pretreatment for efficient conversion. Researchers pretreated four different feedstocks with an ionic liquid at high temperatures for a fixed time and compared the effectiveness

280

Research Highlights | ORNL Neutron Sciences  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Magnetic Spin Behavior in Iron Magnetic Spin Behavior in Iron Telluride ARCS maps collaborative magnetic spin behavior in iron telluride Local, itinerant spins collaborate, boosting magnetism with temperature Research Contact: Igor Zaliznyak Dec. 2011, Written by Agatha Bardoel Researchers have long thought that magnetism and superconductivity are mutually exclusive. The former typically involves localized atomic electrons. The latter requires freely propagating, itinerant electrons. That magnetism and high-temperature superconductivity (HTSC) are mutually exclusive was challenged by the recent discovery of antiferromagnetic phases in parent materials of both HTSC cuprates and iron pnictides and chalcogenides. Antiferromagnetism is a form of magnetic ordering in which the spins of the

Note: This page contains sample records for the topic "research highlights journal" 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

Texas Rice, Highlights in Research  

E-Print Network [OSTI]

Herbicide resistant for red rice control CL161 and CL-XL8. L to R: Mike Jund, Research Associate, Dr. Fred Turner, Professor of Soil and Plant Nutrition, and Darrell Hagler, Technician II. Texas Rice Special Section - II Agronomic Management continued...Cauley, and Mike Chandler. For more information contact Dr. Garry McCauley at 979-234-3578 or email gmccaule@elc.net. Dr. Garry McCauley continued on next page New Chemistries for Weed Control Field weed science research in cooperation with several commercial...

2003-01-01T23:59:59.000Z

282

Research Highlights 2009-2010  

Broader source: Energy.gov [DOE]

OSRAM SYLVANIA researchers have demonstrated a downlight luminaire that achieves 1,439 lumens at an efficacy of 82 lm/W in steady-state operation. These results exceed the project goals of achieving 1,300 lumens and 70 lm/W at a CCT of 3500K and CRI of 80. (September 2010) Learn more.

283

Research Highlights 2003-2004  

Broader source: Energy.gov [DOE]

In November 2003, two of DOE's research partners Dr. George Craford of Lumileds Lighting and Russell Dupuis of Georgia Institute of Technology were awarded the 2002 National Medal of Technology. These pioneers were honored for their contributions to the development and commercialization of LED technology. (November 2003)

284

Research Highlights | ORNL Neutron Sciences  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

phase behavior in carbon pores phase behavior in carbon pores Neutrons measure phase behavior in pores at angstrom size Compelling new methods for assessing carbon pores for hydrogen storage in fuel cells Research Contact: Yuri Melnichenko Jan. 2012, Written by Agatha Bardoel Yuri Melnichenko and Lilin He GP-SANS instrument scientist Yuri Melnichenko (left) and postdoctoral associate Lilin He. Researchers have measured the phase behavior of green house gases in pores at the angstrom level, using small-angle neutron scattering (SANS) at the Oak Ridge National Laboratory's High Flux Isotope Reactor. Yuri Melnichenko, an instrument scientist on the General-Purpose Small-Angle Neutron Scattering (GP-SANS) Diffractometer at ORNL's High Flux Isotope Reactor, his postdoctoral associate Lilin He and collaborators

285

Texas Rice, Highlights in Research  

E-Print Network [OSTI]

, other herbicides will be needed for control of leguminous weeds such as hemp sesbania and jointvetch. Research on this project was conducted by Brian Ottis, Garry McCauley and Mike Chandler. For mor information contact Dr. Mike Chandler at 979...-845-8736 or email jm-chandler@tamu.edu. Brian Ottis and Dr. Mike Chandler Texas Rice Special Section - VIII Weed Management Systems in Rice In addition to traditional Extension Activities, an extensive weed control re- search program is conducted annually in rice...

2001-01-01T23:59:59.000Z

286

Texas Rice, Highlights in Research  

E-Print Network [OSTI]

focuses on measuring main and ratoon continued on next page L to R: Mike Jund, Research Associate, Dr. Fred Turner, Professor of Soil and Plant Nutrition, and Darrell Hagler, Technician II. Figure 1 Nitr ogen in Plant (lbs/A) Texas Rice Special Section..., the Project is continuing to evaluate the benefit of chicken litter for cut areas in rice fields where the top soil has been removed during soil leveling. These studies were conducted by Fred Turner, Mike Jund, Darrell Hagler and the Eagle Lake staff...

2004-01-01T23:59:59.000Z

287

Research Highlights | ORNL Neutron Sciences  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Neutron/Proton Capture Neutron/Proton Capture Beam Line 13 Fuels Discovery Fever for Fundamental Physicists Research Contact: Geoff Greene June 2011, Written by Agatha Bardoel Serpil Kucuker Dogan (left) and Matthew Musgrave prepare a helium-3 cooling cell that is used to measure the angle at which the neutron beam strikes the liquid hydrogen sample. The simplest, most sensible " Big Bang" universe, theoretical physicists believe, would be one in which equal numbers of particles and antiparticles are formed in pairs. As the universe cools, most of these particles would encounter their antiparticles, and they would annihilate. "In many ways, the most reasonable universe would be one in which there is no matter," says the University of Tennessee's Dr. Geoff Greene.

288

Research Highlights | ORNL Neutron Sciences  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Possible valence bond condensation in a frustrated cluster magnet Possible valence bond condensation in a frustrated cluster magnet Research at SNS's POWGEN instrument results in Nature Materials publication The work links magnetism on clusters to geometric magnetic frustration in extended solids, demonstrating a new paradigm for unparalleled chemical control and tunability in the search for collective, emergent electronic states of matter. A team from The Johns Hopkins University and led by Tyrel McQueen recently synthesized and characterized the geometrically frustrated magnetic system, LiZn2Mo3O8. In such systems, competing exchange interactions cannot all be satisfied and as a result, the ground state degenerates. The material appears to form a condensed valence bond state that is reminiscent of the long-sought resonating valence bond state and a possible

289

Research Highlights | ORNL Neutron Sciences  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Biotechnology & Energy Biotechnology & Energy Neutron Imaging Reveals Lithium Distribution in Lithium-Air Electrodes Published Work: "Anomalous Discharge Product Distribution in Lithium-Air Cathodes" Contact: Jagjit Nanda Theory meets experiment: structure-property relationships in an electrode material for solid-oxide fuel cells (2012) Published Work: "Unveiling structure-property relationships in Sr2Fe1.5Mo0.5O6-#, an electrode material for symmetric solid oxide fuel cells" Contact: Ana B. Munoz-Garcia ORNL researchers probe invisible vacancies in fuel cell materials (2012) Published Work: "Probing oxygen vacancy concentration and homogeneity in solid-oxide fuel-cell cathode materials on the subunit-cell level" Contact: Albina Borisevich Studying how a protein's dynamics can take down a killer

290

Research Highlights | ORNL Neutron Sciences  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Coal Pores: Greenhouse Gases and Coal Pores: Greenhouse Gases and Methane Energy and Environmental Solutions Under Our Feet Mix of neutron scattering techniques helps resolve critical problems of confining greenhouse gases and extracting methane Research Contact: Yuri Melnichenko August 2011, Written by Agatha Bardoel Yuri Melnichenko at the GPSANS instrument GP-SANS instrument scientist Yuri Melnichenko (left) and postdoctoral associate Lilin He. When you heat water in a kettle, you can make tea or coffee. But what happens if the vessel is sealed? Ultimately, at a temperature called the liquid-gas critical point, the density of the liquid and the vapor become identical: There is no more water, there is no more gas. What you have is a supercritical fluid. The phenomenon of liquid-liquid and liquid-gas coexistence was a

291

Research Highlights | ORNL Neutron Sciences  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Unconventional Superconductors Unconventional Superconductors Doug Scalapino discusses "common thread" linking unconventional superconducting materials Dec 2011, Written by Deborah Counce Douglas Scalapino Professor Emeritus Douglas Scalapino. Douglas Scalapino was the inaugural speaker for a new joint lecture series sponsored by the Spallation Neutron Source and the Center for Nanophase Materials Sciences at Oak Ridge National Laboratory. He is Research Professor of Physics at the University of California-Santa Barbara. A leading theorist in condensed matter physics, he has been a fellow of the American Physical Society and a member of the National Academy Sciences. He has been awarded the John Bardeen Prize for theoretical work in superconductivity and the Julius Lilienfeld Prize for outstanding

292

Research Highlights | ORNL Neutron Sciences  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Atomic-Scale Behavior of "Cobalt Blue" Atomic-Scale Behavior of "Cobalt Blue" Neutron Analysis Reveals Unique Atomic-Scale Behavior of "Cobalt Blue" Research Contact: Gregory MacDougall ORNL News Release, September 2011, Media Contact: Bill Cabage Cobalt aluminate Just as cobalt blue's lustrous hue attracts artists and decorators, the antiferromagnetic properties of the responsible compound-cobalt aluminate-are attracting neutron scientists at DOE's Oak Ridge National Laboratory. Studies of magnetic interactions deep within the material's atomic structure may provide clues toward the development of energy-efficient technologies. (Light sconce image courtesy of B. Jefferson Bolender. Click image for high res version.) Neutron scattering studies of "cobalt blue," a compound prized by artists

293

Research Highlights | ORNL Neutron Sciences  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Methane Hydrate Structure Methane Hydrate Structure SNS Diffractometer puts the squeeze on methane hydrate cages, unraveling its high-pressure structure Compressed by 600,000 pounds per square inch, methane clathrate hydrate's high-pressure structure is revealed. Research Contact: Chris Tulk Mar. 2012, Written by: Agatha Bardoel Chris Tulk, SNAP instrument scientist Chris Tulk, SNAP instrument scientist. Imagine a robot sent out on the prowl on this energy hungry planet looking for methane, the principal component of what we call "natural gas" and probably the most abundant organic compound on earth. Our robot would find this energy source in shale deposits, notably here on the east coast of the United States. However, the most abundant deposits of natural gas are under water on the continental shelves and in the

294

Science & Research Highlights | Advanced Photon Source  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Science Highlights Archives: 2013 | 2012 | 2011 | 2010 Science Highlights Archives: 2013 | 2012 | 2011 | 2010 2009 | 2008 | 2007 | 2006 2005 | 2004 | 2003 | 2002 2001 | 2000 | 1998 | Subscribe to APS Science Highlights rss feed Science and Research Highlights Animatedly Suspended X-ray Observations Animatedly Suspended X-ray Observations December 16, 2013 Researchers using the U.S. Department of Energy's Advanced Photon Source have probed the behavior of colloidal systems in which microscopic particles stay suspended in a fluid indefinitely. Their findings could have applications in new synthetic materials such as paints, coatings and adhesives, foodstuffs, pharmaceutical formulations, and cosmetics. The Fate of Bioavailable Iron in Antarctic Coastal Seas The Fate of Bioavailable Iron in Antarctic Coastal Seas

295

Research Highlights Sorted by Research Area  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Research Area Research Area Radiation Processes | Cloud Distributions/Characterizations | Surface Properties | General Circulation and Single Column Models/Parameterizations | Aerosol Properties | Atmospheric Thermodynamics and Vertical Structures | Clouds with Low Optical [Water] Depths (CLOWD) | Vertical Velocity | Broadband Heating Rate Profile (BBHRP) | Cloud-Aerosol-Precipitation Interactions | Cloud Processes | Aerosol Processes Radiation Processes Alexandrov, M. D. Optical Depth Measurements by Shadowband Radiometers and Their Uncertainties ARM Berg, L. Surface Summertime Radiative Forcing by Shallow Cumuli at the ARM SGP ARM Bergmann, D. The Influence of Regional Anthropogenic Emission Reductions on Aerosol Direct Radiative Forcing ASR Bhattacharya, A. Burning on the Prairies ARM

296

Polyelectrolyte biomaterials - Research Highlights | ORNL Neutron Sciences  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Home › ResearchHighlights › Polyelectrolyte biomaterials Home › ResearchHighlights › Polyelectrolyte biomaterials Detecting the shape of polymer chains inside polyelectrolyte biomaterials Bio-SANS research for replacing cartilage in the spine and knees Research Contact: Marie Markarian Feb. 2012, Written by Agatha Bardoel Left: neutron scattering with contrast variation reveals the coil conformation of single polymer molecules in a blend of PSS and PDADMA. Contrast variation is achieved by deuteration of some of the PSS molecules (D-PSS) in the mixture. Right: The slope of the scattering curve exhibits a power law dependence Q-2, which is a characteristic signature of the random coil conformation of a polymer chain molecule. Left: neutron scattering with contrast variation reveals the coil conformation of single polymer molecules in a blend of PSS and PDADMA.

297

2 ISSP Activity Report 2012 Research Highlights  

E-Print Network [OSTI]

2 ISSP Activity Report 2012 Research Highlights Incomplete Devil's Staircase in the Magnetization that the plateau sequence can be inter- preted as a "devil's staircase", which is an infinite sequence, indicating that what is observed here is an example of "incomplete devil's staircase", in which the infinite

Katsumoto, Shingo

298

Los Alamos Lab: MPA: Materials Research Highlights  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Materials Research Highlights Materials Research Highlights Advances in fuel cells (pdf) R. Borup (MPA-11) Innovative materials physics and applications (pdf) Metallic nanolayered composites exhibit ultra-high strength and ductility (pdf) N.A. Mara (MST-6); D. Bhattacharyya (MPA-CINT); P. Dickerson (MST-6); J.K. Baldwin (MPA-CINT); R.G. Hoagland (MST-8); A. Misra (MPA-CINT) Frontiers in thermoacoustic refrigeration and mixture separation (pdf) S. Backhaus (MPA-10); D. Geller (AET-3); B. Ward (AET-6); G. Swift (MPA-10) Submicron resolution ferromagnetic resonance microscopy using scanned probe MRFM (pdf) E. Nazaretski and R. Movshovich (MPA-10) Nanowire technologies for radiation detection applications (pdf) G. Brown (MST-8); T. Picraux (MPA-CINT); M. Hoffbauer (C-ADI) Development of improved radiation detector materials (pdf)

299

Los Alamos Lab: MST: Materials Research Highlights  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Materials Research Highlights Materials Research Highlights Advances in fuel cells (pdf) R. Borup (MPA-11) Innovative materials physics and applications (pdf) Metallic nanolayered composites exhibit ultra-high strength and ductility (pdf) N.A. Mara (MST-6); D. Bhattacharyya (MPA-CINT); P. Dickerson (MST-6); J.K. Baldwin (MPA-CINT); R.G. Hoagland (MST-8); A. Misra (MPA-CINT) Frontiers in thermoacoustic refrigeration and mixture separation (pdf) S. Backhaus (MPA-10); D. Geller (AET-3); B. Ward (AET-6); G. Swift (MPA-10) Submicron resolution ferromagnetic resonance microscopy using scanned probe MRFM (pdf) E. Nazaretski and R. Movshovich (MPA-10) Nanowire technologies for radiation detection applications (pdf) G. Brown (MST-8); T. Picraux (MPA-CINT); M. Hoffbauer (C-ADI) Development of improved radiation detector materials (pdf)

300

ResearchSchoolofPhysicalSciences&Engineering2003 ResearchHighlights  

E-Print Network [OSTI]

ResearchSchoolofPhysicalSciences&Engineering2003 34 ResearchHighlights In the course of developing of chemical reactions. This innovation has been made possible by an adaptation of an ion-imaging technique the molecules this extra energy, they are first produced as a negative ion precursor. While existing

Chen, Ying

Note: This page contains sample records for the topic "research highlights journal" 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

Secretary Bodman in Illinois Highlights Scientific Research Investment...  

Office of Environmental Management (EM)

at a technology firm in Illinois to highlight scientific research investments that have led to partnerships between DOE's National laboratories and private industry. At Advanced...

302

Highlighting Undergraduate Research Volume V, Spring 2014  

E-Print Network [OSTI]

) with energy dispersive x-ray spectroscopy (EDS) were used to characterize the corrosion product and attack and research advisor Professor Robert Kelly for their tremendous guidance and support. Figure 11. Underlying current of the device in weak inversion state. As the energy barrier of the device gate decreases

Acton, Scott

303

Chemical Engineering Division research highlights, 1979  

SciTech Connect (OSTI)

In 1979, CEN conducted research and development in the following areas: (1) high-temperature, rechargeable lithium/iron sulfide batteries for electric vehicles and electric utility load leveling; (2) ambient-temperature batteries - improved lead-acid, nickel/zinc, and nickel/iron - for electric vehicles; (3) molten carbonate fuel cells for use by electric utilities; (4) coal technology - mainly fluidized-bed combustion of coal in the presence of SO/sub 2/ sorbent of limestone; (5) heat- and seed- recovery technology for open-cycle magnetohydrodynamic systems; (6) solar energy collectors and thermal energy storage; (7) fast breeder reactor chemistry research - chemical support of reactor safety studies, chemistry of irradiated fuels, and sodium technology; (8) fuel cycle technology - reprocessing of nuclear fuels, management of nuclear wastes, geologic migration studies, and proof-of-breeding studies for the Light Water Breeder Reactor; (9) magnetic fusion research - lithium processing technology and materials research; and (10) basic energy sciences - homogeneous catalysis, thermodynamics of inorganic and organic materials, environmental chemistry, electrochemistry, and physical properties of salt vapors. Separate abstracts were prepared for each of these areas.

None

1980-06-01T23:59:59.000Z

304

Low Dose Radiation Research Program: Research Highlights - Health Physics  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Health Physics Special Issue Features Contributions by Low Dose Health Physics Special Issue Features Contributions by Low Dose Investigators Health Physics The March 2011 special issue of Health Physics highlights the Victor Bond Workshop held May 2-5, 2010, in Richland, Wash. The workshop honored the late Dr. Victor (Vic) Bond for his lifetime achievement in the radiation sciences. Dr. Bond's research resulted in numerous influential scientific papers that contributed greatly to the understanding of radiation effects in biological systems. The workshop attracted internationally recognized experts in biophysics, experimental radiation biology, epidemiology, and risk assessment to discuss issues of low-dose risk. Participants included current and previously funded U.S. Department of Energy Low Dose Radiation Research

305

HIGHLIGHTS  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Cobalt discovery replaces precious Cobalt discovery replaces precious metals as industrial catalyst November 26, 2012 Novel cobalt system supports less expensive hydrogenation and the creation of everyday products HIGHLIGHTS * Cobalt may substitute as industrial catalyst for energy-related technologies * Catalysts are integral to thousands of industrial, synthetic, and renewable energy processes * Common cobalt may replace pricier, rare metal relatives * Potential applications: biofuel production, carbon dioxide reduction, basic necessary chemistry - 2 - LOS ALAMOS, N.M., November 26, 2012-Cobalt, a common metal, holds promise as an industrial catalyst with potential applications in such energy-related technologies such as the production of biofuels and the reduction of carbon dioxide. That is, provided

306

highlight  

Gasoline and Diesel Fuel Update (EIA)

0 0 Highlights International Oil Markets World Oil Prices - How High Will They Go? Our forecast this month is that the world oil price should remain high for most of the year as inventories are expected to remain low, even with an assumed increase in OPEC production of 1 million barrels per day beginning in April. The average cost per barrel of crude oil imported into the United States and delivered to U.S. refiners (the benchmark price used in this forecast) is expected to increase from $26.65 per barrel in the first quarter of 2000 to $27.65 per barrel in the second quarter this year. After that we expect a gradual falling off throughout the rest of 2000 and 2001 to end between $22.25 and $22.50 per barrel by the fourth quarter of 2001 (Figure 1). (Note: for comparison purposes, the price of West Texas

307

highlights  

Gasoline and Diesel Fuel Update (EIA)

0 0 Highlights International Oil Markets International Oil Supply: This forecast assumes that OPEC 10 (Organization of Petroleum Exporting Countries excluding Iraq) crude oil production will be 25.2 million barrels per day in the second quarter, 0.9 million barrels per day above first quarter production levels (Figure 1). This is about 0.5 million barrels per day above their production target of 24.69 million barrels per day. The forecast then assumes another 0.1 million barrels per day increase in OPEC 10 crude oil production in the third quarter and an additional 0.5 million barrel per day increase in the fourth quarter of 2000. If OPEC fails to increase production in the third or fourth quarters of 2000 as assumed in this forecast, higher oil prices would be expected.

308

highlights  

Gasoline and Diesel Fuel Update (EIA)

June 2000 June 2000 Highlights Overview Renewed strength in world oil prices following a short-lived slump in April and a dramatic rally in domestic natural gas prices in response to weak storage injection performance and general worries about near-term gas supplies has prompted us to sharply increase expected levels for energy prices in the short term. Given our general expectations about growth in world oil demand and supply, the oil price adjustment for this Outlook is a shift in the expected level and not a move away from the conviction that prices should trend downward from current levels by year end. Meanwhile, as higher crude oil prices have intervened, and as generally low inventories have resulted in some greater-than- expected tightness in gasoline markets, particularly in the Midwest, we now

309

Highlights  

Gasoline and Diesel Fuel Update (EIA)

January 2010 January 2010 1 January 2010 Short-Term Energy Outlook January 12, 2010 Release Highlights This edition of the Short-Term Energy Outlook is the first to include monthly forecasts through December 2011. EIA expects that the price of West Texas Intermediate (WTI) crude oil, which averaged $62 per barrel in 2009, will average about $80 and $84 per barrel in 2010 and 2011, respectively. EIA's forecast assumes that U.S. real gross domestic product (GDP) grows by 2.0 percent in 2010 and by 2.7 percent in 2011, while world oil-consumption-weighted real GDP grows by 2.5 percent and 3.7 percent in 2010 and 2011, respectively. Escalating crude oil prices drive the annual average regular-grade gasoline retail price from $2.35 per gallon in 2009 to $2.84 in 2010 and $2.96 in 2011.

310

EDUconnections Highlights Arizona State University Research | Department of  

Broader source: Energy.gov (indexed) [DOE]

EDUconnections Highlights Arizona State University Research EDUconnections Highlights Arizona State University Research EDUconnections Highlights Arizona State University Research December 6, 2010 - 5:47pm Addthis Andy Oare Andy Oare Former New Media Strategist, Office of Public Affairs For the past year, .EDUconnections has been the Office of Science and Technical Information's online portal for highlighting some of the amazing scientific research being done at our nation's universities and colleges. They're helping get the message out about how research and technical advancements through Department of Energy sponsored programs are propelling our future workforce to new discoveries in science, engineering, mathematics and many other technical disciplines. This month they're pleased to spotlight Arizona State University. ASU's

311

EDUconnections Highlights Arizona State University Research | Department of  

Broader source: Energy.gov (indexed) [DOE]

EDUconnections Highlights Arizona State University Research EDUconnections Highlights Arizona State University Research EDUconnections Highlights Arizona State University Research December 6, 2010 - 5:47pm Addthis Andy Oare Andy Oare Former New Media Strategist, Office of Public Affairs For the past year, .EDUconnections has been the Office of Science and Technical Information's online portal for highlighting some of the amazing scientific research being done at our nation's universities and colleges. They're helping get the message out about how research and technical advancements through Department of Energy sponsored programs are propelling our future workforce to new discoveries in science, engineering, mathematics and many other technical disciplines. This month they're pleased to spotlight Arizona State University. ASU's

312

Secretary Bodman in Illinois Highlights Scientific Research Investments to  

Broader source: Energy.gov (indexed) [DOE]

Illinois Highlights Scientific Research Illinois Highlights Scientific Research Investments to Advance America's Innovation Secretary Bodman in Illinois Highlights Scientific Research Investments to Advance America's Innovation April 11, 2007 - 12:36pm Addthis ROMEOVILLE, IL - U.S. Secretary of Energy Samuel Bodman today joined Rep. Judy Biggert (IL-13th) at a technology firm in Illinois to highlight scientific research investments that have led to partnerships between DOE's National laboratories and private industry. At Advanced Diamond Technologies, Inc., Secretary Bodman touted the key contributions of scientists and engineers across the country and the importance of sustaining innovation and entrepreneurship in advancing energy and economic security. "Moving technologies from the laboratory setting to commercial

313

Tips & Tricks for Uploading Images with Research Highlights  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

& Tricks for Uploading Images with Research Highlights & Tricks for Uploading Images with Research Highlights Images: (optional) Only images in JPEG, BMP, GIF, or PNG can be accepted up to 10 Mb. The image caption is limited to 500 characters. Tip: For comparisons, lay multiple images out side by side, vertically or in a grid formation to create a single image file for uploading on the Research Highlight Submittal Form. Trick: If image editing soft ware is unavailable, the task can be accomplished using Microsoft (MS) Word as follows: 1. Insert or paste the images on a blank MS Word document and arrange them as desired. 2. Use the "Print Screen" function on the computer to capture the composite image. 3. Paste the new image (created from "Print Screen") onto a new blank MS Word document or

314

PNNL: Research Highlights - Nano Science, Engineering, and Technology  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Research Highlights Research Highlights Advanced Characterization and other new tools for Nanoscience and Technology PNNL and FEI team to use new approach to rapidly obtain three dimensional information about elemental distribution in nanoparticles. The method was applied to a lithium-rich nickel-based material that could be part of tomorrow's batteries. The research team discovered how nickel was segregating on the material's surface. Part of a series of groundbreaking research involving nano-scale characterization of battery materials. This research was featured in Phys.Org. The Birth of nanoDESI New technique provides sensitive analysis of atmospheric particles Scientific Stimulus Produces Results A cascade of opportunities are unleashed by one instrument, a novel idea, and EMSL's intramural program

315

FY 1995 research highlights: PNL accomplishments in OER programs  

SciTech Connect (OSTI)

Pacific Northwest Laboratory (PNL) conducts fundamental and applied research in support of the US Department of Energy`s (DOE) core missions in science and technology, environmental quality, energy resources, and national security. Much of this research is funded by the program offices of DOE`s Office of Energy Research (DOE-ER), primarily the Office of Basic Energy Sciences (BES) and the Office of Health and Environmental Research (OHER), and by PNL`s Laboratory Directed Research and Development (LDRD) Program. This document is a collection of research highlights that describe PNL`s accomplishments in DOE-ER funded programs during Fiscal Year 1995. Included are accomplishments in research funded by OHER`s Analytical Technologies, Environmental Research, Health Effects, General Life Sciences, and Carbon Dioxide Research programs; BES`s Materials Science, Chemical Sciences, Engineering and Geoscience, and Applied Mathematical Sciences programs; and PNL`s LDRD Program. Summaries are given for 70 projects.

NONE

1995-10-01T23:59:59.000Z

316

ARM - Journal Articles 2008  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

1 Journal Articles : 2008 Author Article Title Journal Research Highlight Funded By Berg Temporal variability of fair-weather cumulus statistics at the ACRF SGP site (Citation)...

317

PPPL Weekly Highlights for the Week Ending October 24, 2014 ...  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Publications Weekly Highlights White Papers Fact Sheets Newsletters PPPL News Princeton Journal Watch Blog Events Research Education Organization Contact Us News Room News Archive...

318

PPPL Weekly Highlights for the Week Ending September 26, 2014...  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Weekly Highlights White Papers Fact Sheets Newsletters PPPL News Princeton Journal Watch Blog Events Research Education Organization Contact Us News Room News Archive American...

319

PPPL Weekly Highlights for the Week Ending October 17, 2014 ...  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Publications Weekly Highlights White Papers Fact Sheets Newsletters PPPL News Princeton Journal Watch Blog Events Research Education Organization Contact Us News Room News Archive...

320

Argonne CNM Highlight: Research Advances using Ultrananocrystalline Diamond  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

User science highlight: Graphene sheet observed with optical method User science highlight: Graphene sheet observed with optical method Sample confocal microscope images of reflection from the single layer of graphene oxide at different laser wavelengths. A simple approach is needed to identify nanometer-scale layered materials such as graphene, clays, metal dichalcogenides, and self-assembled monolayers. A collaborative CNM user project has developed a simple optical identification method employing standard confocal microscopy. High contrast is obtained by depositing the materials on a substrate consisting of a thin dielectric layer on silicon. By varying the wavelength of light used in the microscope, effective refractive indices and absorption coefficients can be determined. An example has been carried out for graphene, graphene oxide, and reduced graphene oxide. Single-atomic

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321

Vol 442|6 July 2006 RESEARCH HIGHLIGHTS  

E-Print Network [OSTI]

like light bulbs under a fluorescence microscope, allowing the researchers to track each protein a traumatic brain injury. Researchers led by Henning Voss of the Citigroup Biomedical Imaging Center and Weill

Robock, Alan

322

Microsoft PowerPoint - Lindsey PARC EFRC Research Highlight March...  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

biohybrid systems (peptides + absorbers) facilitates capture of the near-infrared solar light capture of the near infrared solar light Research Details -We previously...

323

Argonne CNM Highlight: Graphene Research at the Center for Nanoscale  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Graphene Research at the Center for Nanoscale Materials Graphene Research at the Center for Nanoscale Materials graphene research The 2010 Nobel Prize in Physics was recently awarded to Andre Geim and Konstantin Novoselov from the University of Manchester "for groundbreaking experiments regarding the two-dimensional material graphene." Graphene is an extraordinary material made up of hexagonally packed carbon atoms that are sp2 bonded. A sheet of graphene is only one atom thick making it nature's version of an ideal two-dimensional material. At the Center for Nanoscale Materials we are exploring state-of-the-art synthesis, characterization, processing, and novel applications of graphene. With the highest resolution microscopes we are able to characterize the structural, electronic, and chemical properties of

324

Vol 435|30 June 2005 RESEARCH HIGHLIGHTS  

E-Print Network [OSTI]

to electric, magnetic and mechanical forces, and found that a mechanical strain changed the spin independently of the electric field applied. NEUROBIOLOGY Clearingthemind NatureGenet.doi:10.1038/ng1591 (2005) Brain cells use motor proteins called dyneins to ferry harmful proteins to their doom, report researchers led by David

325

Vol 440|16 March 2006 RESEARCH HIGHLIGHTS  

E-Print Network [OSTI]

. MICROFLUIDICS Inaheartbeat LabChip 6, 362­368 (2006) Researchers in Japan looking for a new way to power) Mirrors don't just reverse right and left -- they also invert the phase of light waves that bounce off Eric Prossnitz of the University of New Mexico in Albuquerque and his co-workers are set to reap

Cai, Long

326

Protein Activity that Protects Our DNA - Research Highlights | ORNL Neutron  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Neutrons help shed light on critical protein activity that protects our DNA Neutrons help shed light on critical protein activity that protects our DNA "New study provides a framework for understanding how protein works and how it stimulates the DNA processing machines" Research Contact: Walter Chazin Illustration of the change in architecture of the essential eukaryotic ssDNA binding protein RPA as it engages progressively longer segments of ssDNA. Small-angle x-ray scattering data are displayed in the background for the DNA binding core of RPA in its DNA-free state (green) and when engaged on 10 (yellow), 20 (red, and 30 (blue) nucleotide ssDNA substrates. Overlaid molecular surfaces and ribbon representations of the three distinct architectural states of RPA are shown, one for the DNA-free protein and the two others for the initial and fully ssDNA-engaged modes, revealing the progressive compaction of the protein as it binds to the substrate. The RPA70 subunit is colored in blue, RPA32 in green, and RPA14 in red, with ssDNA displayed as a yellow ribbon.

327

Journal of Undergraduate Research, Volume VI, 2006  

SciTech Connect (OSTI)

Students who conducted research at DOE National Laboratories during 2005 were invited to include their research abstracts, and for a select few, their completed research papers in this Journal. This Journal is direct evidence of students collaborating with their mentors. Fields in which these students worked include: Biology; Chemistry; Computer Science; Engineering; Environmental Science; General Sciences; Materials Sciences; Medical and Health Sciences; Nuclear Sciences; Physics; and Science Policy.

Faletra, P.; Schuetz, A.; Cherkerzian, D.; Clark, T.

2006-01-01T23:59:59.000Z

328

Research Highlight  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

13, 1762-1775. Warren, S.G., C.J. Hahn, J. London, R.M. Chervin, and R.L. Jenne, 1986: Global distribution of total cloud cover and cloud type amounts over land. NCAR Tech....

329

Research Highlight  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Reference: Scarino AJ, MD Obland, JD Fast, SP Burton, RA Ferrare, CA Hostetler, LK Berg, B Lefer, C Haman, JW Hair, RR Rogers, C Butler, AL Cook, and DB Harper. 2014....

330

Research Highlight  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

A conditional sampling method is applied to the original Doppler velocity data set to extract coherent vertical velocity structures and to examine plume dimension and...

331

Research Highlight  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

of any inorganic in the particles. When particles are collected in an impactor, lower viscosity particles will flatten more upon impaction and will be thinner (for a given size)...

332

Research Highlight  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

hail schemes. By incorporating heavier ice hydrometeors (i.e., graupel or hail), the 3-ice schemes produce quite different features than its 2-ice scheme counterparts in...

333

Research Highlight  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

variance of vertical velocity-a measure of the intensity of cloud updrafts necessary to produce and maintain cloud droplets. Liquid (LWP) and ice (IWP) water paths predicted by...

334

Research Highlight  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

using specific parameterizations, and that additional simulations with other models may produce different results. Having said this, with only small changes to energy budgets...

335

Research Highlight  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

cores are deeper and have heavier rain, and stronger convective updrafts almost certainly produce copious graupel. Because graupel has higher fall velocities than smaller, less...

336

Research Highlight  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

and storm type on the sensitivity of precipitation simulations to the nature of the rimed ice species used (graupel or hail). Idealized three-dimensional simulations of supercells...

337

Research Highlight  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

clouds. The observations suggest that strong cloud-top cooling was necessary to produce well-mixed cloud layers. Clouds shielded from radiative cooling by overlaying...

338

Research Highlight  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

an MJO (upper panel), a version with stronger entrainment and rain evaporation that does produce an MJO (middle panel), and the difference between the two (lower panel)....

339

Research Highlight  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

et al. 2007; Lane et al. 2009. In this study Hodzic et al. 2013, we applied the Generator of Explicit Chemistry and Kinetics of Organics in the Atmosphere (GECKO-A) to...

340

Research highlights  

Science Journals Connector (OSTI)

... :10.1103/PhysRevLett.99.104501 The aerodynamic lift of supersonic aircraft could be boosted by roughening the undersurface of their wings, Guang Lin and his colleagues at Brown University in ...

2007-09-19T23:59:59.000Z

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While these samples are representative of the content of NLEBeta,
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341

Research Highlight  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

The Influence of Regional Anthropogenic Emission Reductions on Aerosol Direct Radiative Forcing Download a printable PDF Submitter: Bergmann, D., U.S. Department of EnergyLawrence...

342

Research Highlight  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

models are used for understanding the past, present, and future climate. To be able to project future climate it is important that models provide a realistic depiction of the...

343

Research Highlight  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

result except for the case in which methane and nitrous oxide were increased from zero to their 1860 concentration. The smallest differences between the AER broadband and...

344

Research Highlight  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

forcing rates Kh employing MD (left) and the independent pixel approximation (IPA, center) radiative transfer. Here, IPA is synonymous with 1D radiative transfer. The...

345

Research Highlight  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

is to use ARM IOP data to refine a cloudiness parameterization, as proposed by Xu and Randall (1996a). The cloudiness parameterization uses the large-scale average condensate...

346

Research Highlight  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Radiometer (MFRSR) is a ground-based radiometer that uses interference-filter-photodiode detectors to measure narrowband radiation at six discrete wavelengths in the...

347

Research Highlight  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

during the 2004 Mixed-Phase Arctic Cloud Experiment (M-PACE) and 1997-98 Surface Heat Budget of the Arctic OceanFirst ISCCP Regional Experiment - Arctic Clouds Experiment...

348

Research Highlight  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Letters, 36, L04701, 10.10292008GL036692. (a)Time-height distribution of the ice water mixing ratio simulated from SCAMstd,and (b)SCAMnew.Gray contours are temperature in...

349

Research Highlight  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

identify potential ways to improve the global models. References: Evans, SM, RT Marchand, TP Ackerman, and N Beagley. 2012. "Identification and analysis of atmospheric states...

350

Research Highlight  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

aerosols), the Azores (sea-salt aerosols, local pollution from airport traffic, and long-range transport from Europe), the Black Forest in Germany (agricultural and forested...

351

Research Highlight  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

the Southern Great Plains (SGP) show evidence of a surface irradiance bias in the global Numerical Weather Prediction model from the European Centre for Medium-range Weather...

352

Research Highlight  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

of these effects is becoming increasingly important since regional-scale numerical weather prediction and climate models are now commonly run at the deep-convective scale,...

353

Research Highlight  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

(Nb), cumulus (Cu), stratocumulus (Sc) and stratus (St). Operational Numerical Weather Prediction (NWP) models now routinely use explicit deep convection, so that all...

354

Research Highlight  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

as indicated in the diagnostics. These analyses demonstrate the usefulness of these metrics and diagnostics to diagnose climate model biases in numerical weather prediction mode...

355

Research Highlight  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Merging Cloud and Precipitation Radar Data Provides a Better View of Tropical Rain Clouds Download a printable PDF Submitter: Comstock, J. M., Pacific Northwest National Laboratory...

356

Research Highlight  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Evaluating Cloud Microphysics in High-Resolution WRF Simulations for Next Generation Climate Models Download a printable PDF Submitter: Wang, Y., Pacific Northwest National...

357

Research Highlight  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

circulation, accelerated release of trace gases from thawing permafrost, and the rise of sea level as glaciers and ice caps melt. Global climate models are one of the most...

358

Research Highlight  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

(12,000 feet) from the Earth's surface. Equipped with a comprehensive set of probes and sensors to measure solar and thermal radiation, cloud microphysics, aerosol properties,...

359

Research Highlight  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

lines, while the dotted line indicates the observational estimates from ground-based remote sensors. This study compared simulations of a persistent mixed-phase boundary layer...

360

Research Highlight  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

rate of change of Arctic climatic processes requires the use of sophisticated earth-system models. While improvements have been made, models continue to struggle to accurately...

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While these samples are representative of the content of NLEBeta,
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to obtain the most current and comprehensive results.


361

Research Highlight  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

years. The mission: improve the understanding and representation, in climate and earth system models, of clouds and aerosols as well as their interactions and coupling with the...

362

Research Highlight  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

and Climatology, 53, 117-135. Figure 1. Visible satellite image of the South-East Pacific Ocean off the coast of Peru and Chile captured by Moderate Resolution Imaging...

363

Research Highlight  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Improving the Numerical Simulation of Squall Lines Download a printable PDF Submitter: Morrison, H. C., NCAR Thompson, G., NCAR Tatarskii, V., Georgia Institute of Technology Area...

364

Research Highlight  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Scientists Uncover Combustion Mechanism to Better Predict Warming by Wildfires Download a printable PDF Submitter: Dubey, M. K., Los Alamos National Laboratory Donahue, N.,...

365

Research Highlight  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Brookhaven National Laboratory Wild, M., Institute for Atmospheric and Climate Science - ETH Zurich McFarlane, S. A., U.S. Department of Energy Flynn, C. J., Pacific Northwest...

366

Research Highlight  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

and absorb more infrared radiation than water clouds, in essence enhancing the "greenhouse effect." Members of the ARM Cloud Properties Working Group who specialize in ice cloud...

367

Research Highlight  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

contribute to the Earth's ability to reflect away sunlight and contribute to the greenhouse effect were translated into a new parameterization (a formula that makes models run)...

368

Research Highlight  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

the greatest radiative impact at the coldest cirrus temperatures, where their greenhouse effect is greatest. Thus it is critical to understand the relative contributions of...

369

Research Highlight  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

(bottom), and the relative contribution of dry and wet removal (middle panels). Pie charts show time-space averages of deposited mass. Removal of secondary organic...

370

Research Highlight  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

liquid water attenuation at -25 C reaches up to a factor of two. In Kneifel et al. (2014), three microwave radiometer data sets that span the frequency range from 23 to 225...

371

Research Highlight  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

C, M Lothon, D Badiane, B Campistron, F Couvreau, F Guichard, and S Sall. 2013. "Phenomenology of Sahelian convection observed in Niamey during the early monsoon." Quarterly...

372

Research Highlight  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

the unique challenges in making surface radiation measurements at Barrow, Alaska, and in Canada at Alert and Eureka to evaluate how to effectively measure surface radiation. The...

373

Research Highlight  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

of the world's extreme rain events, climate model predictions of changes in precipitation extremes in a warmer climate cannot be viewed as physically realistic. To represent...

374

Research Highlight  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Ground Stations Likely Get a Boost from Satellites to Estimate Carbon Dioxide Emissions Download a printable PDF Submitter: Roeder, L. R., Pacific Northwest National Laboratory...

375

Science Highlights  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Highlights Highlights Science Highlights Science highlights feature research conducted by staff and users at the ALS. If a Power Point summary slide or a PDF handout of the highlight is available, you will find it linked beneath the highlight listing and on the highlight's page. You may also print a version of a highlight by clicking the print icon associated with each highlight. The Molecular Ingenuity of a Unique Fish Scale Print Monday, 25 November 2013 12:06 ALS research has shown how the scales of a freshwater fish found in the Amazon Basin can literally re-orient themselves in real time to resist force, in essence creating an adaptable body armor. Read more... New Research on Jamming Behavior Expands Understanding Print Tuesday, 22 October 2013 00:00 Recent ALS research has revealed that even magnetic domains behave very much like other granular material systems, and their dynamical behavior mimics the universal characteristics of several jammed systems.

376

NREL Highlights SCIENCE Research provides insight for exploring use of Earth-  

E-Print Network [OSTI]

NREL Highlights SCIENCE Research provides insight for exploring use of Earth- abundant quaternary, it is critical to find new material that is Earth abundant and easily manufactured. Previous experimental studies This research provides insight for exploring use of Earth-abundant quaternary semiconductors for large

377

Frontiers: Research highlights 1946-1996 [50th Anniversary Edition. Argonne National Laboratory  

SciTech Connect (OSTI)

This special edition of 'Frontiers' commemorates Argonne National Laboratory's 50th anniversary of service to science and society. America's first national laboratory, Argonne has been in the forefront of U.S. scientific and technological research from its beginning. Past accomplishments, current research, and future plans are highlighted.

NONE

1996-12-31T23:59:59.000Z

378

Journal of Undergraduate Research, Volume VIII, 2008  

SciTech Connect (OSTI)

Th e Journal of Undergraduate Research (JUR) provides undergraduate interns the opportunity to publish their scientific innovation and to share their passion for education and research with fellow students and scientists. Fields in which these students worked include: Biology; Chemistry; Computer Science; Engineering; Environmental Science; General Sciences; Materials Sciences; Medical and Health Sciences; Nuclear Sciences; Physics; Science Policy; and Waste Management.

Stiner, K. S.; Graham, S.; Khan, M.; Dilks, J.; Mayer, D.

2008-01-01T23:59:59.000Z

379

DOE Office of Science Releases Journal of Undergraduate Research Volume VII  

Office of Science (SC) Website

DOE Office of DOE Office of Science Releases Journal of Undergraduate Research Volume VII News Featured Articles Science Headlines 2014 2013 2012 2011 2010 2009 2008 2007 2006 2005 Presentations & Testimony News Archives Contact Information Office of Science U.S. Department of Energy 1000 Independence Ave., SW Washington, DC 20585 P: (202) 586-5430 11.20.07 DOE Office of Science Releases Journal of Undergraduate Research Volume VII Print Text Size: A A A Subscribe FeedbackShare Page The Office of Workforce Development for Teachers and Scientist (WDTS) in the Department of Energy's Office of Science today announced the release of Volume 7 of the Journal of Undergraduate Research (JUR). The JUR is the Department of Energy's premier undergraduate research journal, highlighting the work of over 600 students who have participated

380

NERSC Science Highlights Presentations  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

User Surveys User Surveys HPC Requirements for Science HPC Workshop Reports NERSC Staff Publications & Presentations Journal Cover Stories Galleries Home » News & Publications » Publications & Reports » Science Highlights Presentations Science Highlights Presentations NERSC collects highlights of recent scientific work carried out by its users. If you are a user and have work that you would like us to highlight please send e-mail to consult@nersc.gov. December 2013 Presentation [PDF] Model Shows Arrangement of Proteins in Photosynthetic Membranes [Geissler] How Many Earths are There? [Petigura] Read more... IceCube is 2013 Physics Breakthrough of the Year [Gerhardt] Read more... Simulation Couples with Experiment to Boost Energy Research [Smith] Simulation Captures the Essence of Carbonate Crystallization [Whitelam]

Note: This page contains sample records for the topic "research highlights journal" 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

LANL highlights cutting-edge research at annual LDRD Day | National Nuclear  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

cutting-edge research at annual LDRD Day | National Nuclear cutting-edge research at annual LDRD Day | National Nuclear Security Administration Our Mission Managing the Stockpile Preventing Proliferation Powering the Nuclear Navy Emergency Response Recapitalizing Our Infrastructure Continuing Management Reform Countering Nuclear Terrorism About Us Our Programs Our History Who We Are Our Leadership Our Locations Budget Our Operations Media Room Congressional Testimony Fact Sheets Newsletters Press Releases Speeches Events Social Media Video Gallery Photo Gallery NNSA Archive Federal Employment Apply for Our Jobs Our Jobs Working at NNSA Blog Home > NNSA Blog > LANL highlights cutting-edge research at annual LDRD Day LANL highlights cutting-edge research at annual LDRD Day Posted By Office of Public Affairs Los Alamos National Laboratory recently showcased some of its cutting-edge

382

LANL highlights cutting-edge research at annual LDRD Day | National Nuclear  

National Nuclear Security Administration (NNSA)

cutting-edge research at annual LDRD Day | National Nuclear cutting-edge research at annual LDRD Day | National Nuclear Security Administration Our Mission Managing the Stockpile Preventing Proliferation Powering the Nuclear Navy Emergency Response Recapitalizing Our Infrastructure Continuing Management Reform Countering Nuclear Terrorism About Us Our Programs Our History Who We Are Our Leadership Our Locations Budget Our Operations Media Room Congressional Testimony Fact Sheets Newsletters Press Releases Speeches Events Social Media Video Gallery Photo Gallery NNSA Archive Federal Employment Apply for Our Jobs Our Jobs Working at NNSA Blog Home > NNSA Blog > LANL highlights cutting-edge research at annual LDRD Day LANL highlights cutting-edge research at annual LDRD Day Posted By Office of Public Affairs Los Alamos National Laboratory recently showcased some of its cutting-edge

383

nature physics | VOL 3 | APRIL 2007 | www.nature.com/naturephysics 217 RESEARCH HIGHLIGHTS  

E-Print Network [OSTI]

nature physics | VOL 3 | APRIL 2007 | www.nature.com/naturephysics 217 RESEARCH HIGHLIGHTS Go ahead). Rubidium atoms are prepared in a circular Rydberg state in box B and cross the cavity at a rate of 900 Hz states, known as e and g; the cavity C is set at resonance with the e­g transition. As the atoms pass

Loss, Daniel

384

RESEARCH HIGHLIGHTS 296 nature physics | VOL 2 | MAY 2006 | www.nature.com/naturephysics  

E-Print Network [OSTI]

the game in the quantum world (Nature 440, 900­903; 2006). In their experiment, tiny gas clouds, eachRESEARCH HIGHLIGHTS 296 nature physics | VOL 2 | MAY 2006 | www.nature techniques to those used for computed tomography with a high-power THz quantum cascade laser, they collect

Loss, Daniel

385

RESEARCH HIGHLIGHTS 134 nature physics | VOL 1 | DECEMBER 2005 | www.nature.com/naturephysics  

E-Print Network [OSTI]

RESEARCH HIGHLIGHTS 134 nature physics | VOL 1 | DECEMBER 2005 | www.nature are mild, and large explosions rare but unpredictable. Gas bubbles rising through the magma are responsible%indicatesresidualinaccuraciesintheunderlyingmodelof theethanolmolecules. HOTMOLECULES The advent of quantum cascade lasers and of photonic crystals

Loss, Daniel

386

PBRP Research Highlight Use of Lake Maurepas Wetlands by Migrating Birds  

E-Print Network [OSTI]

PBRP Research Highlight Use of Lake Maurepas Wetlands by Migrating Birds P.C. Stouffer and Jason A's largest migratory routes for Neotropical migratory birds, many of which use the Maurepas wetlands during spring and fall migrations. Large portions of swamp in the Maurepas wetlands have converted to marsh

Stouffer, Phil

387

WELDING RESEARCH -s55WELDING JOURNAL  

E-Print Network [OSTI]

WELDING RESEARCH -s55WELDING JOURNAL ABSTRACT. Dissimilar metal weld (DMW) failures between carbon corrosion conditions that require the use of austenitic stainless steels. A dissimi- lar metal weld (DMW to understand the mechanism of DMW failures in such applications. In the as-welded condition, a compo- sition

DuPont, John N.

388

NREL: Wind Research - The Denver Post Highlights the NWTC's New 5-MW  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

The Denver Post Highlights the NWTC's New 5-MW Dynamometer The Denver Post Highlights the NWTC's New 5-MW Dynamometer January 2, 2014 On January 2, a reporter from The Denver Post toured the new 5-megawatt dynamometer test facility at the National Wind Technology Center (NWTC). Denver Post Writer Mark Jaffe spoke with NWTC Center Director Fort Felker to learn more about how these innovative research capabilities can impact the wind industry as a whole. Read the full story . Officially dedicated in December, the new facility houses one of the largest dynamometers in the world, which offers advanced capabilities to test the mechanical and electrical power-producing systems of multimegawatt wind turbines in a controlled environment. The new dynamometer can also be directly connected to the electric grid or through a controllable grid

389

Journal of Undergraduate Research, Volume IX, 2009  

SciTech Connect (OSTI)

Each year more than 600 undergraduate students are awarded paid internships at the Department of Energys (DOE) National Laboratories. Th ese interns are paired with research scientists who serve as mentors in authentic research projects. All participants write a research abstract and present at a poster session and/or complete a fulllength research paper. Abstracts and selected papers from our 20072008 interns that represent the breadth and depth of undergraduate research performed each year at our National Laboratories are published here in the Journal of Undergraduate Research. The fields in which these students worked included: Biology; Chemistry; Computer Science; Engineering; Environmental Science; General Science; Materials Science; Medical and Health Sciences; Nuclear Science; Physics; Science Policy; and Waste Management.

Stiner, K. S.; Graham, S.; Khan, M.; Dilks, J.; Mayer, D.

2009-01-01T23:59:59.000Z

390

Highlights of the 2009 SEG summer research workshop on"CO2 Sequestration Geophysics"  

SciTech Connect (OSTI)

The 2009 SEG Summer Research Workshop on CO2 Sequestration Geophysics was held August 23-27, 2009 in Banff, Canada. The event was attended by over 100 scientists from around the world, which proved to be a remarkably successful turnout in the midst of the current global financial crisis and severe corporate travel restrictions. Attendees included SEG President Larry Lines (U. Calgary), and CSEG President John Downton (CGG Veritas), who joined SRW Chairman David Lumley (UWA) in giving the opening welcome remarks at the Sunday Icebreaker. The workshop was organized by an expert technical committee (see side bar) representing a good mix of industry, academic, and government research organizations. The format consisted of four days of technical sessions with over 60 talks and posters, plus an optional pre-workshop field trip to the Columbia Ice Fields to view firsthand the effects of global warming on the Athabasca glacier (Figures 1-2). Group technical discussion was encouraged by requiring each presenter to limit themselves to 15 minutes of presentation followed by a 15 minute open discussion period. Technical contributions focused on the current and future role of geophysics in CO2 sequestration, highlighting new research and field-test results with regard to site selection and characterization, monitoring and surveillance, using a wide array of geophysical techniques. While there are too many excellent contributions to mention all individually here, in this paper we summarize some of the key workshop highlights in order to propagate new developments to the SEG community at large.

Lumley, D.; Sherlock, D.; Daley, T.; Huang, L.; Lawton, D.; Masters, R.; Verliac, M.; White, D.

2010-01-15T23:59:59.000Z

391

SRNL - Highlights  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Highlights Highlights Research exchange promotes networking between SRNL and Historically Black Colleges and Universities SRNL Research Paves Way for Portable Power Systems SRNS Program Provides Model for Assisting Wounded Warriors Re-enter Workforce Research Advances Next Generation of Nuclear Reactors FBI, Savannah River National Laboratory, Put Science to Work to Protect the Nation Wind Turbine Facility to help grow U.S. wind technology Interns Gain Valuable Research Experience New Projects Advance Nation's Energy Security Blue-green Algae and Hydrogen Production: Carbon boosts to the rescue SRNL Project Ready to Explore Sub-Nano Technology SRNL program successfully demonstrates fractional crystallization SRNL researchers unveil permeable glass 'microballoons' that can carry hydrogen, deliver drugs, and filter gases

392

Photon Sciences Directorate | 2010 Annual Report | Science Highlights  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Science Highlights Science Highlights In FY10, Photon Sciences staff and users published 893 articles in journals, conference proceedings, reports, books, dissertations, and patents. Almost 20 percent were published in premiere journals (those that have an impact factor of 6 or greater). The following highlights are representative of this extensive and diverse research, ranging from the creation of new catalysts for alternative energy production to the exploration of the inner workings of diseases like tuberculosis and cancer. FY10 Publication Count Pub Type Total Staff Total Pubs 893 110 Total Journals 747 84 Peer Reviewed Journals 724 81 Peer Reviewed Premier Journals 165 21 Conference Proceedings 68 18 Reports: Technical, Formal, Informal 2 2 Books / Book Chapters 18 4

393

Argonne highlights green research in honor of Earth Day | Argonne National  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

is lowering its campus energy footprint in creative ways. These hybrid solar- and wind-powered streetlights, which are completely off the grid, adorn Argonne sidewalks. A small solar panel and wind turbine powers the LED light atop the fixture. The light can store energy in batteries for up to three days without sun or wind. is lowering its campus energy footprint in creative ways. These hybrid solar- and wind-powered streetlights, which are completely off the grid, adorn Argonne sidewalks. A small solar panel and wind turbine powers the LED light atop the fixture. The light can store energy in batteries for up to three days without sun or wind. Argonne is lowering its campus energy footprint in creative ways. These hybrid solar- and wind-powered streetlights, which are completely off the grid, adorn Argonne sidewalks. A small solar panel and wind turbine powers the LED light atop the fixture. The light can store energy in batteries for up to three days without sun or wind. Argonne highlights green research in honor of Earth Day By Louise Lerner * April 21, 2011 Tweet EmailPrint

394

Journal of Undergraduate Research, Spring 2012  

E-Print Network [OSTI]

the use of DNA Sequences for Species Identification in Medusozoans (Phylum Cnidaria) 72 Rhea Richardson (Faculty Advisor: Paulyn Cartwright, Ecology and Evolutionary Biology] A New Stabilization Approach to Cadaveric Shoulder Joint Testing 84 Cole... : s of the G l o b a l i z a t i o : of C l i : i c a l Research ." New England Journal of Medicine 36O.8 (2OO9): 8 1 6 - 2 3 . 2 Ezekiel E = a : u e l ; D a v i d W e : d l e r ; a : d C h r i s t i : e Grady. " W h a t M a k e s C l i : i c a l R e s e a...

2012-04-01T23:59:59.000Z

395

Accepted to the Journal Geophysical Research Laboratory measurements of electrical  

E-Print Network [OSTI]

1 Accepted to the Journal Geophysical Research Laboratory measurements of electrical conductivities measurements of electrical conductivities of natural magma compositions. The electrical conductivities of three. The electrical conductivity increases with temperature and is higher in the order tephrite, phonotephrite

Paris-Sud XI, Université de

396

Researching on the Internet Careers & Education This tipsheet highlights some of the more useful websites for career and education research. This is a guide to help  

E-Print Network [OSTI]

Researching on the Internet ­ Careers & Education This tipsheet highlights some of the more useful websites for career and education research. This is a guide to help you begin using the Internet as a career and education research tool, not a comprehensive listing. Please note that Internet addresses

Boonstra, Rudy

397

SCIENCE HIGHLIGHTS 2008 ANNUAL REPORT ORNL NEUTRON SCIENCES The Next Generation of Materials Research  

E-Print Network [OSTI]

and colleagues.They initially reported that an iron-based material can conduct electricity without resistance close to conducting electric- ity with zero resistance at room temperature. Such materials wouldSCIENCE HIGHLIGHTS 2008 ANNUAL REPORT ORNL NEUTRON SCIENCES The Next Generation of Materials

398

Journal of Volcanology & Geothermal Research : 2007 Diversity of eruptive styles inferred from the microlites of Mt  

E-Print Network [OSTI]

Journal of Volcanology & Geothermal Research : 2007 Diversity of eruptive styles inferred from and Gardner, 2005]). This leads to a non-explosive open- #12;Journal of Volcanology & Geothermal Research

Boyer, Edmond

399

research highlights 406 | VOL.6 NO.6 | JUNE 2009 | nature methods  

E-Print Network [OSTI]

,researchers create a pipeline for high-throughputvariantdetection. Genetic variation is the basis for the complex those that did not, the researchers used mismatch repair detection. They cloned the pooled TACL probes

Cai, Long

400

Mission and Impact Primary goal: to foster research activity that highlights the interplay between novel  

E-Print Network [OSTI]

Plasma Dynamics (CMPD) is a Department of Energy Fusion Science Center, hosted jointly by the University, and to validate the simulations against experimental observations. A Department of Energy Fusion Science Center-)doctoral researchers in these areas (iii) to provide a platform for interdisciplinary interactions with researchers

Gruner, Daniel S.

Note: This page contains sample records for the topic "research highlights journal" 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

Journal of Constructional Steel Research 67 (2011) 261269 Contents lists available at ScienceDirect  

E-Print Network [OSTI]

Journal of Constructional Steel Research 67 (2011) 261­269 Contents lists available at ScienceDirect Journal of Constructional Steel Research journal homepage: www.elsevier.com/locate/jcsr Retraining local and global buckling behavior of steel plastic hinges using CFRP Sherif El-Tawila, , Ekin Ekizb , Subhash

Chao, Shih-Ho

402

AAACCOMPLISHMENTSCCOMPLISHMENTSCCOMPLISHMENTS 2012201220122012 FAU Harbor Branch Research Highlights INDIAN RIVER LAGOON OBSERVATORY PROGRAM ESTABLISHED  

E-Print Network [OSTI]

. Applications for the undersea imaging include naval mine detection and characterization, inspection of ship Scientists from the FAU Harbor Branch Marine Biomedical and Biotechnology Research (MBBR) program (supported use of manzamine A, a natural product isolated from a marine sponge, as a treatment in pancreatic

Fernandez, Eduardo

403

nature methods | VOL.5 NO.11 | NOVEMBER 2008 | 919 research highlights  

E-Print Network [OSTI]

of the person in question is present only in trace amounts (as low as 0.1% of the total). Craig estimates individuals contributing trace amounts of DNA to highly complex mixtures using high-density SNP genotyping). The Cancer Genome Atlas Research Network. Nature, published online 4 September 2008. chemical Biolog

Cai, Long

404

NATURE METHODS | VOL.4 NO.6 | JUNE 2007 | 469 RESEARCH HIGHLIGHTS  

E-Print Network [OSTI]

specifically in the condition that favored translational activation was Argonaute 2. This finding the German Cancer Research Center in Heidelberg,who also works on the regulation of mRNA by AREs, says,"This is where the field needs to go, to purify one species of RNA from the cell and deter- mine the proteins

Cai, Long

405

772 NATURE NANOTECHNOLOGY | VOL 7 | DECEMBER 2012 | www.nature.com/naturenanotechnology research highlights  

E-Print Network [OSTI]

with laser radiation is an optoelectronic process that occurs in most semiconductors. The laser excitation fraction of naturally occurring hydrogen and is used in a variety of applications from nuclear fusion772 NATURE NANOTECHNOLOGY | VOL 7 | DECEMBER 2012 | www.nature.com/naturenanotechnology research

Wu, Junqiao

406

http://trj.sagepub.com Textile Research Journal  

E-Print Network [OSTI]

ofthe structure and can be specified, for example, using a statistical density function. This principleTextile Research Journal Ning Pan Orientation and Bending Deformation Development of a Constitutive Theory, 2007http://trj.sagepub.comDownloaded from #12;565 9. Johnson, G. C., Reactive Silicone Softeners, Book

Pan, Ning

407

Transportation Research Record: Journal of the Transportation Research Board, No. 2307, Transportation Research Board of the National Academies, Washington,  

E-Print Network [OSTI]

141 Transportation Research Record: Journal of the Transportation Research Board, No. 2307, Transportation Research Board of the National Academies, Washington, D.C., 2012, pp. 141­149. DOI: 10. In this research, from 2008 to 2011, the authors adopted transportation board games as an instructional tool

Levinson, David M.

408

Argonne CNM Highlight: New equation could advance research in solar cell  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

nanoscale organic semiconductor junctions nanoscale organic semiconductor junctions Current-voltage characteristics and energetics of coulombically bound charge carrier pairs (copper phthalocyanine and boron subphthalocyanine chloride donors, and a fullerene acceptor) at the heterojunction in organic semiconductor junctions. New equation could advance research in solar cell materials Scientists in the Nanophotonics Group, the University of Michigan, and Northwestern University have developed a ground-breaking equation for organic semiconductor junctions. Organic, or "plastic" electronics, are a relatively new technology with the prospect of providing ultracheap, lightweight, and flexible electronic applications such as organic solar cells. Their model is successfully applied to two archetype, planar

409

The microstructure of polar ice. Part I: Highlights from ice core research  

Science Journals Connector (OSTI)

Abstract Polar ice sheets play a fundamental role in Earth's climate system, by interacting actively and passively with the environment. Active interactions include the creeping flow of ice and its effects on polar geomorphology, global sea level, ocean and atmospheric circulation, and so on. Passive interactions are mainly established by the formation of climate records within the ice, in form of air bubbles, dust particles, salt microinclusions and other derivatives of airborne impurities buried by recurrent snowfalls. For a half-century scientists have been drilling deep ice cores in Antarctica and Greenland for studying such records, which can go back to around a million years. Experience shows, however, that the ice-sheet flow generally disrupts the stratigraphy of the bottom part of deep ice cores, destroying the integrity of the oldest records. For all these reasons glaciologists have been studying the microstructure of polar ice cores for decades, in order to understand the genesis and fate of ice-core climate records, as well as to learn more about the physical properties of polar ice, aiming at better climate-record interpretations and ever more precise models of ice-sheet dynamics. In this Part I we review the main difficulties and advances in deep ice core drilling in Antarctica and Greenland, together with the major contributions of deep ice coring to the research on natural ice microstructures. In particular, we discuss in detail the microstructural findings from Camp Century, Byrd, Dye 3, GRIP, GISP2, NorthGRIP, Vostok, Dome C, EDML, and Dome Fuji, besides commenting also on the earlier results of some pioneering ventures, like the Jungfraujoch Expedition and the NorwegianBritishSwedish Antarctic Expedition, among others. In the companion Part II of this work (Faria etal., 2014), the review proceeds with a survey of the state-of-the-art understanding of natural ice microstructures and some exciting prospects in this field of research.

Srgio H. Faria; Ilka Weikusat; Nobuhiko Azuma

2014-01-01T23:59:59.000Z

410

CSE - Research Highlight  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Exciting new work from ANSER Exciting new work from ANSER Using ultrafast near IR transient spectroscopy, ANSER has now discovered that new polymers with high power conversion efficiencies are capable of ultrafast exciton splitting on their own following the trend of their intrinsic local dipole moments related to charge density difference between the building blocks in these charge transfer polymers. The efficiency of charge transfer in isolated polymers is linearly proportional to the cell efficiency. And using small angle x-ray scattering at the APS, the role of additives in OPV film fabrication is not on polymers as previously thought, but on the fullerene electron acceptors whose aggregates were dissolved by the additive, which helped to form optimal morphology in the films and doubled the cell efficiency.

411

CAMD Research Highlights  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

less than 1m over a process area of 80mm for 1mm tall structures. A broad process window was demonstrated, which can be used to fine-tune the sidewall verticality as well...

412

Research Highlights | JCESR  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Meng Gu, Chiwoo Park, Wu Xu, Yaohui Zhang, Ilke Arslan, Ji-Guang Zhang, Chongmin Wang, James E. Evans, and Nigel D. Browning, Florida State University, University of...

413

Jefferson Lab: Research Highlights  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Gubeli III, Kevin Jordan, George R. Neil, Michelle Shinn, Walter Chandler, Gwyn P. Williams, Steven V. Benson, David R. Douglas, H.F. Dylla, "Selective photothermolysis of...

414

Jefferson Lab: Research Highlights  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Nuclear Physics Program Public Interest Nuclear Physics Accelerator FEL Medical Imaging Engineering Archive print version Experiment The Electric and Magnetic Elastic Proton Form...

415

2013 ALS User Meeting Highlights  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

2013 ALS User Meeting Highlights 2013 ALS User Meeting Highlights 2013 ALS User Meeting Highlights Print This year's ALS User Meeting launched with a welcome from Users' Executive Committee Chair Corie Ralston and LBNL Director Paul Alivisatos. ALS Director Roger Falcone followed with a "state of the ALS" presentation that began with a reminder of the ALS mission, which he noted remains true even in the midst of a government shutdown: "Supporting users in doing outstanding science in a safe environment." Falcone gave the 414 meeting attendees an update on the ALS beamlines, which included good news about increased user numbers thanks to the new RAPIDD access system, enhanced robotics, and remote capabilities. Falcone reflected that ALS metrics continue to represent our highly productive users-the number of journal articles and papers per user that come from ALS research have continued to grow in the past year. Looking forward, Falcone touched on how a proposed ALS upgrade to a diffraction-limited light source would increase scientific capabilities.

416

2013 ALS User Meeting Highlights  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

2013 ALS User Meeting Highlights 2013 ALS User Meeting Highlights 2013 ALS User Meeting Highlights Print Thursday, 24 October 2013 09:06 This year's ALS User Meeting launched with a welcome from Users' Executive Committee Chair Corie Ralston and LBNL Director Paul Alivisatos. ALS Director Roger Falcone followed with a "state of the ALS" presentation that began with a reminder of the ALS mission, which he noted remains true even in the midst of a government shutdown: "Supporting users in doing outstanding science in a safe environment." Falcone gave the 414 meeting attendees an update on the ALS beamlines, which included good news about increased user numbers thanks to the new RAPIDD access system, enhanced robotics, and remote capabilities. Falcone reflected that ALS metrics continue to represent our highly productive users-the number of journal articles and papers per user that come from ALS research have continued to grow in the past year. Looking forward, Falcone touched on how a proposed ALS upgrade to a diffraction-limited light source would increase scientific capabilities.

417

Posters provide a way to highlight what individual students are doing, as well as to inform others about the research being  

E-Print Network [OSTI]

Posters provide a way to highlight what individual students are doing, as well as to inform others sponsor a research poster session, and students should be encouraged to submit their work. Articulating and involvement in the research project. The faculty mentor instructs students that a research poster presentation

Cheon, Yoonsik

418

Journal of Undergraduate Research, Spring 2014  

E-Print Network [OSTI]

, 18701920 ......... 9 Paul E. Fowler III Quantifying CO2 removal by living walls: a case study of the Center for Design Research...

2014-04-01T23:59:59.000Z

419

Accepted in European Journal of Operations Research 1 Statistical Dependence through Common Risk Factors: With Applications  

E-Print Network [OSTI]

Accepted in European Journal of Operations Research 1 Statistical Dependence through Common Risk) STATISTICAL DEPENDENCE THROUGH COMMON RISK FACTORS Accepted in European Journal of Operations Research 2 between random variables with a bounded support is present due to common risk factors, such as e

van Dorp, Johan René

420

FES Science Highlights  

Office of Science (SC) Website

highlights The Office of Science is the single largest supporter of basic research in the physical sciences in the United States, providing more than 40 percent of total funding...

Note: This page contains sample records for the topic "research highlights journal" 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

WELDING RESEARCH -S125WELDING JOURNAL  

E-Print Network [OSTI]

cracking susceptibility of dissimilar metal welds between AL- 6XN super austenitic stainless steel and two and independent of weld metal dilution level, while the cracking suscepti- bility of welds produced with IN625 resistance of the weld metal. Previous research has shown that the depleted dendrite cores are susceptible

DuPont, John N.

422

Scientific Highlights  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

contributions of the Tevatron contributions of the Tevatron experiments and accelerator complex Scientific Highlights Collider experiments The Tevatron's collider program began proton-antiproton collisions in 1985 and has led to about 1,000 Ph.D. degrees and about a paper a week through work on the CDF and DZero experiments. Discovered: * the top quark and determined its mass to a high precision * two distinct production mechanisms for the top quark: pair and single production * five B baryons (2 cascade, 1 omega and 2 sigma _b) * B c meson * Y(4140), a new quark structure * B s oscillations Observed: * strongest evidence yet for violation of matter-antimatter

423

SBIR/STTR Highlights  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

highlights/ The Office of Science is the highlights/ The Office of Science is the single largest supporter of basic research in the physical sciences in the United States, providing more than 40 percent of total funding for this vital area of national importance. It oversees - and is the principal federal funding agency of - the Nation's research programs in high-energy physics, nuclear physics, and fusion energy sciences. en {8852B70B-8F14-4B90-9DD9-63E8ABB0E3E8}http://science.energy.gov/sbir/highlights/2013/sbir-2013-01-a/ Aerodyne Develops an Aircraft-Deployable Precision Aerosol Analyzer Aerodyne Research Inc. develops an aerosol mass spectrometer (AMS) that fills a

424

Are Peer Reviewers Encouraged to Use Reporting Guidelines? A Survey of 116 Health Research Journals  

E-Print Network [OSTI]

Are Peer Reviewers Encouraged to Use Reporting Guidelines? A Survey of 116 Health Research Journals of Oxford, Oxford, United Kingdom Abstract Background: Pre-publication peer review of manuscripts should prepare better manuscripts may help peer reviewers in assessing them. We examined journals' instructions

425

PNNL: News Center - Science Highlights  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

U.S. Department of Energy Search PNNL Search PNNL Home About Research Publications Jobs News Contacts Newsroom Science Highlights Environmental Molecular Sciences Laboratory -...

426

Science Highlights | U.S. DOE Office of Science (SC)  

Office of Science (SC) Website

Science Highlights Energy Frontier Research Centers (EFRCs) EFRCs Home Centers Research Science Highlights Highlight Archives News & Events Publications History Contact BES Home...

427

Sector 4 Highlights  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Older Highlights Older Highlights Highlights of research in the magnetic materials group CaCrCuO-Image A further understanding of superconductivity June 10, 2013 A crucial ingredient of high-temperature superconductivity can be found in a class of materials that is entirely different than conventional superconductors. That discovery is the result of research by an international team of scientists working at 4-ID-C. Local Contact: John Freeland A New Family of Quasicrystals A New Family of Quasicrystals June 24, 2013 Scientists from the U.S. Department of Energy's Ames Laboratory and Iowa State University have used the high energy x-rays available on beamline 6-ID-D, to confirm the structure of the only known magnetic rare earth icosahedral binary quasicrystals. Contacts: Alan Goldman & Paul Canfield - Iowa State Univ. & Ames Lab

428

User Facility Science Highlights  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

user-facilities/highlights/ The Office of Science user-facilities/highlights/ The Office of Science is the single largest supporter of basic research in the physical sciences in the United States, providing more than 40 percent of total funding for this vital area of national importance. It oversees - and is the principal federal funding agency of - the Nation's research programs in high-energy physics, nuclear physics, and fusion energy sciences. en {611EDD39-818D-4CBA-BFD7-9568495C1566}http://science.energy.gov/bes/highlights/2013/bes-2013-09-a/ The Role of Stripes in Superconducting Behavior Using neutron diffraction, movement of charged atoms arranged as "stripes"

429

Assessment of the conclusion validity for empirical research studies published in the journal of speech, language, and hearing research  

E-Print Network [OSTI]

-based practices and what criteria can be used to determine if evidence-based practices have been met. This study was a synthesis of research that involved a critical review of the empirical research studies reported in Volume 47 of the Journal of Speech, Language...

Byrns, Glenda Elkins

2009-05-15T23:59:59.000Z

430

Research Input Form  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

HighlightsSubmit HighlightsSubmit Form Submit a New Research Highlight Sort Highlights Submitter Title Research Area Working Group Submission Date DOE Progress Reports Notable Research Findings for 2001-2006 Biological and Environmental Research Abstracts Database Research Highlights Summaries Research Highlight Submittal Form Tell us about your research! This form is designed to collect summary information about working group research results. If you have any questions or comments, please contact the administrators. Journal or Book Reference(s) (if applicable): Look Up Your reference from the Publications Database. Limit two references. If you have not submitted the references, please Add it now. Area of Research: Radiation Processes Cloud Distributions/Characterizations Surface Properties General Circulation and Single Column

431

NREL Develops Heat Pump Water Heater Simulation Model (Fact Sheet), NREL Highlights, Research & Development, NREL (National Renewable Energy Laboratory)  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

simulation model helps researchers evaluate real-world simulation model helps researchers evaluate real-world impacts of heat pump water heaters in U.S. homes. Heat pump water heaters (HPWHs) remove heat from the air and use it to heat water, presenting an energy-saving opportunity for homeowners. Researchers at the National Renewable Energy Laboratory (NREL) developed a simulation model to study the inter- actions of HPWHs and space conditioning equipment, related to climate and installa- tion location in the home. This model was created in TRNSYS and is based on data from HPWHs tested at NREL's Advanced HVAC Systems Laboratory. The HPWH model accounts for the condenser coil wrapped around the outside of the storage tank, and uses a data-based performance map. Researchers found that simulated energy use was within 2% of lab results, which confirms

432

The Convective and Orographically Induced Precipitation Study (COPS): The Scientific Strategy, the Field Phase, and Research Highlights  

SciTech Connect (OSTI)

Within the frame of the international field campaign COPS (Convective and Orographically-induced Precipitation Study), a large suite of state-of-the-art meteorological instrumentation was operated, partially combined for the first time. The COPS field phase was performed from 01 June - 31 August 2007 in a low-mountain area in southwestern Germany/eastern France covering the Vosges Mountains, the Rhine valley and the Black Forest Mountains. The collected data set covers the entire evolution of convective precipitation events in complex terrain from their initiation, to their development and mature phase up to their decay. 18 Intensive Operation Periods (IOPs) with 34 operation days and 8 additional Special Observation Periods (SOPs) were performed providing a comprehensive data set covering different forcing conditions. In this paper an overview of the COPS scientific strategy, the field phase, and its first accomplishments is given. Some highlights of the campaign are illustrated with several measurement examples. It is demonstrated that COPS provided new insight in key processes leading to convection initiation and to the modification of precipitation by orography, in the improvement of QPF by the assimilation of new observations, and in the performance of ensembles of convection permitting models in complex terrain.

Wulfmeyer, Volker; Behrendt, Andreas; Kottmeir, Christoph; Corsmeier, Ulrich; Barthlott, Christian; Craig, George C.; Hagen, Martin; Althausen, Dietrich; Aoshima, Fumiko; Arpagaus, Marco; Bauer, Hans-Stefan; Bennett, Lindsay; Blyth, Alan; Brandau, Christine; Champollion, Cedric; Crewell, Susanne; Dick, Galina; di Girolamo, Paolo; Dorninger, Manfred; Dufournet, Yann; Eigenmann, Rafael; Engelmann, Ronny; Flamant, C.; Foken, Thomas; Gorgas, Theresa; Grzeschik, Matthias; Handwerker, Jan; Hauck, Christian; Holler, Hartmut; Junkermann, W.; Kalthoff, Norbert; Kiemle, Christoph; Klink, Stefan; Konig, Marianne; Krauss, Liane; Long, Charles N.; Madonna, Fabio; Mobbs, S.; Neininger, Bruno; Pal, Sandip; Peters, Gerhard; Pigeon, Gregoire; Richard, Evelyne; Rotach, Mathias W.; Russchenberg, Herman; Schwitalla, Thomas; Smith, Victoria; Steinacker, Reinhold; Trentman, Jorg; Turner, David D.; van Baelen, Joel; Vogt, Siegfried; Volkert, Hans; Weckwerth, Tammy; Wernli, Heini; Wieser, Andreas; Wirth, Martin

2011-02-24T23:59:59.000Z

433

Bi-Annual Scientific Report Jan. 2002 -Dec. 2003 Department of Solar Energy & Environmental Physics: highlight of research projects.  

E-Print Network [OSTI]

, quantitative assessment of aging and deterioration of solar panels and the development of novel techniquesBi-Annual Scientific Report Jan. 2002 - Dec. 2003 Department of Solar Energy & Environmental by the researchers of the Department of Solar Energy & Environmental Physics during the reported years provides

Prigozhin, Leonid

434

586 nature physics | VOL 4 | AUGUST 2008 | www.nature.com/naturephysics research hIGhLIGhTs  

E-Print Network [OSTI]

586 nature physics | VOL 4 | AUGUST 2008 | www.nature.com/naturephysics research h passed many tests in both the weak- and the strong- field regimes of gravity. However, relativistic precession rate to within a 13% uncertainty ofwhatis predicted by general relativity -- suggesting

Loss, Daniel

435

NREL Demonstrates Game-Changing Air Conditioner Technology (Fact Sheet), Highlights in Research & Development, NREL (National Renewable Energy Laboratory)  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Testing of DEVAP prototype validates modeled Testing of DEVAP prototype validates modeled predictions of 40% to 85% energy savings. Researchers in the NREL Buildings group are moving the award-winning desiccant enhanced evaporative (DEVAP) air conditioning technol- ogy further toward commercialization by demonstrating that its energy-saving perfor- mance matches closely with thermodynamic model predictions. Industry partners Synapse Product Development and AIL Research built two prototypes of DEVAP based on NREL's design and modeling, which were tested in NREL's Advanced HVAC Systems Laboratory. Experiments added confidence to the predicted energy savings of 40% in humid climates and 85% in dry climates, empowering the model as a tool for developing marketable designs, and illustrating the potential of DEVAP to transform

436

International Journal of Production Research Vol. 48, No. 4, 15 February 2010, 933955  

E-Print Network [OSTI]

conserves a considerable portion of the energy utilised in production of those components. This hasInternational Journal of Production Research Vol. 48, No. 4, 15 February 2010, 933­955 RESEARCH ARTICLE A machine learning approach to optimise the usage of recycled material in a remanufacturing

Gosavi, Abhijit

437

History of a Research Journal, Chemical Engineering Science  

Science Journals Connector (OSTI)

A significant part of the high quality academic journal market has become controlled by private publishing houses. Within chemical engineering the pace and quality have been set by Chemical Engineering Science...

J. Bridgwater

1989-01-01T23:59:59.000Z

438

NREL Identifies Investments for Wind Turbine Drivetrain Technologies (Fact Sheet), NREL Highlights, Research & Development, NREL (National Renewable Energy Laboratory)  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

examines current U.S. manufacturing and supply examines current U.S. manufacturing and supply chain capabilities for advanced wind turbine drivetrain technologies. Innovative technologies are helping boost the capacity and operating reliability of conventional wind turbine drivetrains. With the proper manufacturing and supply chain capabilities in place, the United States can better develop and deploy these advanced technologies- increasing the competitiveness of the U.S. wind industry and reducing the levelized cost of energy (LCOE). National Renewable Energy Laboratory (NREL) researchers conducted a study for the U.S. Department of Energy to assess the state of the nation's manufacturing and supply chain capabilities for advanced wind turbine drivetrain technologies. The findings helped determine the

439

NREL Tests Dehumidifiers, Defines Simplified Simulation Model (Fact Sheet), NREL Highlights, Research & Development, NREL (National Renewable Energy Laboratory)  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

residential dehumidifiers residential dehumidifiers results in practical performance curves for use in whole-building simulation tools. Dehumidifiers remove moisture from a home's indoor environment, thereby increasing occupant comfort, improving air quality, and reducing the likelihood of mold, rot, and dust mites. To help energy professionals more easily evaluate this technology for the market, National Renewable Energy Laboratory (NREL) researchers tested the efficiency and capacity of a variety of dehumidifiers and developed a generalized approach to simulate any residential dehumidifier. The test results and modeling method are documented in a new report. Typically, dehumidifiers are only rated at a single temperature and humidity, so rating data alone cannot determine whether a product will meet the moisture removal

440

Improving Building Energy Simulation Programs Through Diagnostic Testing (Fact Sheet), NREL Highlights, Research & Development, NREL (National Renewable Energy Laboratory)  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

test procedure evaluates quality and accuracy of energy test procedure evaluates quality and accuracy of energy analysis tools for the residential building retrofit market. Reducing the energy use of existing homes in the United States offers significant energy-saving opportunities, which can be identified through building simulation software tools that calculate optimal packages of efficiency measures. To improve the accuracy of energy analysis for residential buildings, the National Renewable Energy Laboratory's (NREL) Buildings Research team developed the Building Energy Simulation Test for Existing Homes (BESTEST-EX), a method for diagnosing and correcting errors in building energy audit software and calibration procedures. BESTEST-EX consists of building physics and utility bill calibration test cases, which soft-

Note: This page contains sample records for the topic "research highlights journal" 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

Connecting the role of school superintendents to teaching and learning in schools: a research synthesis of three educational administration peer reviewed research journals between 1983-2006  

E-Print Network [OSTI]

CONNECTING THE ROLE OF SCHOOL SUPERINTENDENTS TO TEACHING AND LEARNING IN SCHOOLS: A RESEARCH SYNTHESIS OF THREE EDUCATIONAL ADMINISTRATION PEER REVIEWED RESEARCH JOURNALS BETWEEN 1983 2006 A Dissertation by STEVEN PAUL SHIDEMANTLE Submitted... IN SCHOOLS: A RESEARCH SYNTHESIS OF THREE EDUCATIONAL ADMINISTRATION PEER REVIEWED RESEARCH JOURNALS BETWEEN 1983 2006 A Dissertation by STEVEN PAUL SHIDEMANTLE Submitted to the Office of Graduate Studies of Texas A&M University in partial fulfillment...

Shidemantle, Steven Paul

2008-10-10T23:59:59.000Z

442

Brief Science Highlights  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

highlights/ The Office highlights/ The Office of Science is the single largest supporter of basic research in the physical sciences in the United States, providing more than 40 percent of total funding for this vital area of national importance. It oversees - and is the principal federal funding agency of - the Nation's research programs in high-energy physics, nuclear physics, and fusion energy sciences. en {B0DFBA1D-D6A0-4920-8E73-4779F8F5ACEA}http://science.energy.gov/np/highlights/2013/np-2013-12-a/ Modeling Cosmic Nucleosynthesis First measurements of isotopes produced by Argonne's new CARIBU facility provide insight into the creation of the elements in the universe. Thu, 09

443

BER Science Highlights  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

highlights/ The Office of Science is the highlights/ The Office of Science is the single largest supporter of basic research in the physical sciences in the United States, providing more than 40 percent of total funding for this vital area of national importance. It oversees - and is the principal federal funding agency of - the Nation's research programs in high-energy physics, nuclear physics, and fusion energy sciences. en {B65D1078-1ED6-42A4-AE6F-F36E1C482386}http://science.energy.gov/ber/highlights/2013/ber-2013-09-a/ Tracing Aerosol Impacts on South Asian Monsoons The effect of pollution aerosols on monsoons. Tue, 20 Aug 2013 16:58:37 -0400

444

HEP Science Highlights  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

highlights/ The Office of Science is the highlights/ The Office of Science is the single largest supporter of basic research in the physical sciences in the United States, providing more than 40 percent of total funding for this vital area of national importance. It oversees - and is the principal federal funding agency of - the Nation's research programs in high-energy physics, nuclear physics, and fusion energy sciences. en {271928DC-3A20-4D7E-97F4-DEC29F0C439B}http://science.energy.gov/hep/highlights/2013/hep-2013-08-a/ Patterns in the Cosmos Trace Evolution of the Universe Detection of subtle polarization patterns in the Cosmic Microwave Background opens a

445

EFRCs Science Highlights  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

highlights/ The Office of Science is the highlights/ The Office of Science is the single largest supporter of basic research in the physical sciences in the United States, providing more than 40 percent of total funding for this vital area of national importance. It oversees - and is the principal federal funding agency of - the Nation's research programs in high-energy physics, nuclear physics, and fusion energy sciences. en {F258B204-092C-455E-8B98-75B03053E1E3}http://science.energy.gov/bes/highlights/2013/bes-2013-07-a/ Fewer Steps to Higher Octane Gasoline in Petroleum Refining A novel metal-organic framework (MOF) efficiently separates higher octane

446

Laboratory Science Highlights  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

laboratories/highlights/ The Office of Science is laboratories/highlights/ The Office of Science is the single largest supporter of basic research in the physical sciences in the United States, providing more than 40 percent of total funding for this vital area of national importance. It oversees - and is the principal federal funding agency of - the Nation's research programs in high-energy physics, nuclear physics, and fusion energy sciences. en {B0DFBA1D-D6A0-4920-8E73-4779F8F5ACEA}http://science.energy.gov/np/highlights/2013/np-2013-12-a/ Modeling Cosmic Nucleosynthesis First measurements of isotopes produced by Argonne's new CARIBU facility provide insight into the creation of the elements in the universe. Thu, 09

447

ASCR Science Highlights  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

highlights/ The Office of Science is the highlights/ The Office of Science is the single largest supporter of basic research in the physical sciences in the United States, providing more than 40 percent of total funding for this vital area of national importance. It oversees - and is the principal federal funding agency of - the Nation's research programs in high-energy physics, nuclear physics, and fusion energy sciences. en {B8B947B0-62E8-4BE7-91CF-D60B69404801}http://science.energy.gov/ascr/highlights/2013/hep-2013-04-a/ How Accelerator Physicists Save Time A boosted frame of reference boosts the speed of calculations. Fri, 06 Dec 2013 12:52:49 -0500 Accelerator physicists lean heavily on simulations

448

NP Science Highlights  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

highlights/ The Office of Science is the highlights/ The Office of Science is the single largest supporter of basic research in the physical sciences in the United States, providing more than 40 percent of total funding for this vital area of national importance. It oversees - and is the principal federal funding agency of - the Nation's research programs in high-energy physics, nuclear physics, and fusion energy sciences. en {B0DFBA1D-D6A0-4920-8E73-4779F8F5ACEA}http://science.energy.gov/np/highlights/2013/np-2013-12-a/ Modeling Cosmic Nucleosynthesis First measurements of isotopes produced by Argonne's new CARIBU facility provide insight into the creation of the elements in the universe. Thu, 09

449

University Science Highlights  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

universities/highlights/ The Office of Science is universities/highlights/ The Office of Science is the single largest supporter of basic research in the physical sciences in the United States, providing more than 40 percent of total funding for this vital area of national importance. It oversees - and is the principal federal funding agency of - the Nation's research programs in high-energy physics, nuclear physics, and fusion energy sciences. en {B0DFBA1D-D6A0-4920-8E73-4779F8F5ACEA}http://science.energy.gov/np/highlights/2013/np-2013-12-a/ Modeling Cosmic Nucleosynthesis First measurements of isotopes produced by Argonne's new CARIBU facility provide insight into the creation of the elements in the universe. Thu, 09

450

Simulator Developed to Drastically Reduce Time of Multijunction PV Device Efficiency Measurements (Fact Sheet), NREL Highlights, Research & Development  

SciTech Connect (OSTI)

NREL's new simulator helps speed up research in the race to improve photovoltaic efficiency. Scientists at the National Renewable Energy Laboratory (NREL) needed a quick and accurate method to predict energy generated from multijunction photovoltaic (PV) test devices. This method had to take into account the nonlinear behavior of multijunction PV. NREL achieved this by developing the One-Sun Multi-Source Simulator (OSMSS), which reduces the time for this type of reference spectrum efficiency measurement from hours or days to minutes. The OSMSS is an automated, spectrally adjustable light source that builds a unique simulator spectrum that causes a multijunction PV device to behave as it would under a reference spectrum. This new simulator consists of four light sources separated into nine wavelength bands between 350 and 2,000 nm. The irradiance in each band is adjustable from zero to about 1.5 suns. All bands are recombined via optical fibers and integrating optics to produce a nearly 10 cm x 10 cm uniform spot. The operator simply links the OSMSS to the quantum efficiency data for the test device, and the OSMSS does the rest. The OSMSS can also determine the power as a function of the spectral irradiance (beyond the reference spectra), total irradiance, and temperature. Major components of the system were built to NREL specification by LabSphere, Inc. NREL developed a new, fully automated tool that rapidly builds a spectrum under which all junctions of a multijunction PV device behave as they would under a reference spectrum. Such a spectrum is essential to properly characterize multijunction devices. The OSMSS reduces the time for building spectra for current vs. voltage measurements from hours or days to minutes. This makes it possible to quickly characterize a multijunction device under many different conditions. The OSMSS will be an important tool to help predict the yearly energy output of a multijunction PV device in a particular environment when provided with a range of spectra and temperatures for that location.

Not Available

2011-11-01T23:59:59.000Z

451

Technical Highlights - FEERC  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Technical Highlights for November 2013 Technical Highlights for November 2013 The Oak Ridge National Laboratory (ORNL) cited in Article Published in Inside Science ORNL's recent achievement in ionic liquid (IL) additives for engine lubrication is featured in an article "Molten Salts Could Improve Fuel Economy," published in Inside Science, http://www.insidescience.org/content/molten-salts-could-improve-fuel-economy/1492. The article is syndicated to subscribers at FOXnews.com, NBCnews.com, LiveScience, and others. Dual-Fuel Combustion with Additives Capability A new capability was added to the multi-cylinder advanced combustion research engine at ORNL allowing dual fuel combustion with gasoline and gasoline doped with additives to increase the reactivity. The new configuration allows precise control over fuel temperature to allow for

452

Research Highlights Sorted by Title  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Title Title "Invisible" Giants in the Sky ARM ASR Kassianov, E. "Radiance Assimilation" Correction Method Improves Water Vapor Radiosonde Observations in the Upper Troposphere ARM Soden, B. J. "Roobik" Is Part of the Answer, Not a Puzzle ARM Turner, D. D. 2007 Floods Not a Complete Washout in U.S. Great Plains ARM ASR Bhattacharya, A. A "Little" Respect: Droplet Nucleation Finally Included in Global Climate Model ARM Ghan, S. J. A Bulk Parameterization of Giant Cloud Condensation Nuclei ARM Kogan, Y. A Climatology of Midlatitude Continental Cloud Properties and Their Impact on the Surface Radiation Budget ARM Dong, X. A Comparison of Integrated Water Vapor Sensors: WVIOP-96 ARM Liljegren, J. C. A Consistency Analysis of ARESE Aircraft Measurements ARM

453

Research Highlights Sorted by Submitter  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Submitter Submitter A B C D E F G H I J K L M N O P Q R S T U V W X Y Z A Ackerman, A. Buffering of Ice Crystal Number Concentration to Ice Nucleus Abundance above Arctic Stratus ARM To Be or Not To Be Liquid? The Challenge of Arctic Mixed-Phase Cloud Modeling ARM Tropical Rain Clouds Still a Challenge to Cloud-Resolving Models ARM ASR Understanding Ice Formation in Arctic Mixed-Phase Boundary-Layer Clouds During ISDAC ARM Ackerman, T. P. Progress in Understanding Water Vapor's Role in Models ARM Quantifying the Magnitude of Anomalous Solar Absorption ARM Shortwave Absorption in Tropical Clouds ARM Structure of Cirrus Properties and its Coupling with the State of the Large-Scale Atmosphere ARM The k-Distribution Method for a SW Radiative Transfer Model ARM Ahlgrimm, M.

454

Texas Rice, Highlights in Research  

E-Print Network [OSTI]

: The Case of Rice Tolerance to Roundup and Liberty Herbicides The project to identify tolerant rice germplasm to either Roundup or Lib- erty started in 2003. Two activities were initiated; first, the screening of germ- plasm from the gene bank collection...: The Case of Rice Tolerance to Roundup and Liberty Herbicides The project to identify tolerant rice germplasm to either Roundup or Lib- erty started in 2003. Two activities were initiated; first, the screening of germ- plasm from the gene bank collection...

2006-01-01T23:59:59.000Z

455

Fusion Ignition Research Experiment Highlights  

E-Print Network [OSTI]

objectives for FIRE are to address the critical burning plasma issues of an attractive magnetic fusion power plant as envisioned by the Advanced Reactor Innovation Evaluation Studies (ARIES). The FIRE Design study. institutions, and is managed through the Virtual Laboratory for Technology. The technical work on FIRE has been

456

Research Highlights | ornl.gov  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

from plant mass. The team's conclusion-that less ordered cellulose fibers bind less lignin-was published in the August edition of Biomacromolecules. The Need for Speed January...

457

Research Highlights 2007-2008  

Broader source: Energy.gov [DOE]

Universal Display Corporation has successfully demonstrated an all phosphorescent white organic light emitting diode (WOLED) with a record power efficacy of 45 lm/W at 1,000 cd/m2. This high-efficacy device was enabled by lowering the device operating voltage, increasing the outcoupling efficiency, and incorporating highly efficient phosphorescent emitters. (June 2007) Learn more.

458

Research Highlights 2005-2006  

Broader source: Energy.gov [DOE]

Lumileds Lighting, the University of New Mexico, and Sandia National Laboratories have demonstrated uniform light emission from the largest-area photonic crystal LED ever fabricated. A large-area device that can be extended to a more engineered, full-wafer patterning tool is essential for low-cost, high-volume manufacturing. (October 2005) Learn more.

459

Research Highlights 2011-2012  

Broader source: Energy.gov [DOE]

With the help of DOE funding, KLA-Tencor is developing an improved inspection tool for LED manufacturing that promises to significantly increase overall process yields and minimize expensive waste. The project is based around KLA-Tencor's Candela inspection technology and includes the successful realization of several significant technical enhancements that have improved defect sensitivity. The new tools are currently being used by a number of key manufacturers as part of the project evaluation stage. (March 2011) Learn more.

460

DOI: 10.2501/S002184990909???? June 2010 JOURNAL OF ADVERTISING RESEARCH 1 INTRODUCTION  

E-Print Network [OSTI]

DOI: 10.2501/S002184990909???? June 2010 JOURNAL OF ADVERTISING RESEARCH 1 INTRODUCTION The growth that media executives and advertisers have monitored these developments with great interest (and sometimes--sometimes at the same time--and were exposed to advertising on both media, market- ers wanted to know how advertising

Tomkins, Andrew

Note: This page contains sample records for the topic "research highlights journal" 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

Journal of Current Issues & Research in Advertising, 34: 263281, 2013 Copyright American Academy of Advertising  

E-Print Network [OSTI]

Journal of Current Issues & Research in Advertising, 34: 263­281, 2013 Copyright © American Academy of Advertising ISSN: 1064-1734 print/2164-7313 online DOI: 10.1080/10641734.2013.788386 This article was accepted in Advertising. Address correspondence to Anjala S. Krishen, Department of Marketing, Lee Business School

Ahmad, Sajjad

462

Z .Journal of Volcanology and Geothermal Research 93 1999 130 www.elsevier.comrlocaterjvolgeores  

E-Print Network [OSTI]

Z .Journal of Volcanology and Geothermal Research 93 1999 1­30 www Volcanic Province, Baja California, Mexico Elizabeth A. Nagy a,) , Marty Grove b , Joann M. Stock a a Di Volcanic Province PVP in northeastern Baja California, Mexico, performed in conjunction with 40 Arr39 Ar

463

JOURNAL OF GEOPHYSICAL RESEARCH, VOL. , XXXX, DOI:10.1029/, Magnetic Flux Emergence in the Sun  

E-Print Network [OSTI]

JOURNAL OF GEOPHYSICAL RESEARCH, VOL. , XXXX, DOI:10.1029/, Magnetic Flux Emergence in the Sun V­dimensional evolution of solar eruptions as they leave the Sun and move into the interplanetary space. One of the most important processes, responsible for many dynamical phenomena ob­ served in the Sun, is the emergence

Sengun, Mehmet Haluk

464

Secretary of Energy and Rep. Chabot Highlight Clean Coal and...  

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

and Rep. Chabot Highlight Clean Coal and Hydrogen Research and Tout America's Economic Growth in Ohio Secretary of Energy and Rep. Chabot Highlight Clean Coal and Hydrogen Research...

465

CANCELLATION OF PRINT JOURNALS AT A NATIONAL RESEARCH LABORATORY  

SciTech Connect (OSTI)

By de-emphasizing the print journal collection our organization has been able to accomplish several goals: provide access to additional digital resources through cost savings; support customers' requirements for information at the desktop; reduce staff costs; free staff time for higher level tasks; and reduce space costs. Print journal cancellations have now become incorporated into the regular routine of our library. We have a proven process in place that we can rely on to provide sound decisions. We have been aided in our successful accomplishments by the enormous support of our customers, our Library Advisory Board and laboratory management. Opportunities and challenges will continue to present themselves as our organization continues to emphasize digital resources over print.

C. L. HOOVER

2001-04-01T23:59:59.000Z

466

EMSL: News - Highlights  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

BOOKMARK US RSS Facebook icon twitter LinkedIn YouTube icon flickr BOOKMARK US RSS Facebook icon twitter LinkedIn YouTube icon flickr All News Highlights News of related EMSL research and announcements of events are listed in the links provided below. Choose a Year: | 2014 | 2013 | 2012 | 2011 | 2010 | 2009 | 2008 | 2007 | 2006 | 2005 | 2004 | 2003 | 2002 | 2001 | 2000 | 1999 | 2014 Battery development may extend range of electric cars Battery development may extend range of electric cars New anode quadruples life of lithium-sulfur battery, could also help store renewable energy more cheaply Released: January 09, 2014 Scientists used EMSL capabilities and expertise to help develop and test a new anode design for lithium-sulfur batteries. The "hybrid" anode significantly extends the life of lithium-sulfur batteries, bringing them

468

FY 2011 Budget Highlights  

Broader source: Energy.gov (indexed) [DOE]

DOE/CF-0046 Budget Highlights Department of Energy FY 2011 Congressional Budget Request February 2010 Office of Chief Financial Officer DOE/CF-0046 Budget Highlights Printed with soy ink on recycled paper Department of Energy FY 2011 Congressional Budget Request Table of Contents INTRODUCTION...................................................................................................................................... 1 PROGRAM HIGHLIGHTS........................................................................................................................ 5 BUDGET BY ORGANIZATION .............................................................................................................. 13 BUDGET BY APPROPRIATION............................................................................................................

469

FY 2010 Budget Highlights  

Broader source: Energy.gov (indexed) [DOE]

DOE/CF-042 DOE/CF-042 Budget Highlights May 2009 Office of Chief Financial Officer FY 2010 Congressional Budget Request DOE/CF-042 Budget Highlights Printed with soy ink on recycled paper Table of Contents INTRODUCTION...................................................................................................................................... 1 PROGRAM HIGHLIGHTS........................................................................................................................ 5 BUDGET BY ORGANIZATION .............................................................................................................. 14 BUDGET BY APPROPRIATION............................................................................................................ 15 DETAILS BY PROGRAM

470

Journal of Energy & Environmental Research, Volume 1, No. 1  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Fauth-U.S. Department of Energy, National Energy Technology Laboratory Fauth-U.S. Department of Energy, National Energy Technology Laboratory Journal Papers, Capture and Separation 19 Adsorption and Desorption of CO 2 on Solid Sorbents Ranjani Siriwardane, Ming Shen, Edward Fisher, James Poston, and Abolghasem Shamsi-U.S. Department of Energy, National Energy Technology Laboratory 32 Degradation of Monoethanolamine Used in Carbon Dioxide Capture from Flue Gas of a Coal-fired Electric Power Generating Station Brian R. Strazisar, Richard R. Anderson, and Curt M. White-U.S. Department of Energy, National Energy Technology Laboratory 40 Life-Cycle Analysis of a Shell Gasification-Based Multi-Product System with CO 2 Recovery Richard D. Doctor, John C. Molburg, and Norman F. Brockmeier-U.S. Department of Energy, Argonne National Laboratory

471

MagLab - NSF Monthly Highlights  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

magnets. August 2014 Science Highlight Date: August 14, 2014 Research Area: Magnetism and Magnetic Materials Site Program: Magnet Science and Technology Instrument: In-house...

472

Transportation Research Record: Journal of the Transportation Research Board, No. 2289, Transportation Research Board of the National Academies, Washington,  

E-Print Network [OSTI]

for frequency of occurrence by cause and number of cars derailed. Statistical analyses were conducted to examine causes, such as bearing failure, broken wheel, and axle and journal defects. These results rep- resent

Barkan, Christopher P.L.

473

Research Highlights > Research > The Energy Materials Center...  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Enhanced Anodes and Cathodes for Fuel Cells Epitaxial Single Crystal Nanostructures for Batteries & PVs High Performance Alkaline Fuel Cell Membranes Improving Fuel Cell...

474

FY 2013 Budget Highlights  

Broader source: Energy.gov (indexed) [DOE]

7 7 Department of Energy FY 2013 Congressional Budget Request Budget Highlights g g g February 2012 Office of Chief Financial Officer DOE/CF-0077 Department of Energy FY 2013 Congressional Budget Request Budget Highlights g g g February 2012 Office of Chief Financial Officer Printed with soy ink on recycled paper Table of Contents LETTER FROM THE SECRETARY ...................................................................................................................................................................... 1 INTRODUCTION .............................................................................................................................................................................................. 3 DEPARTMENT OF ENERGY FY 2013 PROGRAM OFFICE HIGHLIGHTS............................................................................................................ 9

475

FY 2012 Budget Highlights  

Broader source: Energy.gov (indexed) [DOE]

4 4 Department of Energy FY 2012 Congressional Budget Request Budget Highlights g g g February 2012 Office of Chief Financial Officer DOE/CF-0064 Department of Energy FY 2012 Congressional Budget Request Budget Highlights g g g February 2012 Office of Chief Financial Officer Printed with soy ink on recycled paper Table of Contents INTRODUCTION .......................................................................................................................................................................................... 1 DEPARTMENT OF ENERGY FY 2012 PROGRAM OFFICE HIGHLIGHTS .......................................................................................................... 7 DEPARTMENT OF ENERGY BUDGET BY ORGANIZATION .......................................................................................................................... 15

476

Experimental Highlights - 2014  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

NIF & Photon Science News Press Releases Experimental Highlights Efficiency Improvements Science & Technology Meetings and Workshops Papers and Presentations NIF&PS People In the...

477

highlights.html  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

1998 Highlights World Oil Markets Oil prices continue to remain at historically low levels (when taking into account inflation) and our current forecast does not foresee a large...

478

FY 2007 Budget Highlights  

Broader source: Energy.gov (indexed) [DOE]

DOE/CF-009 DOE/CF-009 Budget highlights Department of Energy FY 2007 Congressional Budget Request February 2006 Printed with soy ink on recycled paper Budget highlights Office of Chief Financial Officer DOE/CF-009 Table of Contents INTRODUCTION ......................................................................................................................................1 BUDGET BY ORGANIZATION ..............................................................................................................17 BUDGET BY APPROPRIATION ............................................................................................................18 SECTION 1. DEFENSE STRATEGIC GOAL........................................................................................19

479

FY 2006 Budget Highlights  

Broader source: Energy.gov (indexed) [DOE]

DOE/ME-0053 DOE/ME-0053 Budget Highlights Department of Energy FY 2006 Congressional Budget Request Office of Management, Budget and Evaluation/CFO February 2005 DOE/ME-0053 Budget Highlights Printed with soy ink on recycled paper Table of Contents INTRODUCTION............................................................................................................................ 1 BUDGET BY ORGANIZATION...................................................................................................... 15 BUDGET BY APPROPRIATION.................................................................................................... 16 FUNDING BY GOALS .................................................................................................................. 17 SECTION 1. DEFENSE STRATEGIC GOAL.................................................................................

480

FY 2009 Budget Highlights  

Broader source: Energy.gov (indexed) [DOE]

DOE/CF-031 DOE/CF-031 Budget Highlights February 2008 Office of Chief Financial Officer Department of Energy FY 2009 Congressional Budget Request DOE/CF-031 Budget Highlights Printed with soy ink on recycled paper Table of Contents INTRODUCTION...................................................................................................................................... 1 BUDGET BY ORGANIZATION .............................................................................................................. 21 BUDGET BY APPROPRIATION............................................................................................................ 22 SECTION 1. ENERGY SECURITY.......................................................................................................

Note: This page contains sample records for the topic "research highlights journal" 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

SC e-journals, Nuclear  

Office of Scientific and Technical Information (OSTI)

Nuclear Nuclear Annals of Nuclear Energy Annual Review of Nuclear and Particle Science Atomic Data & Nuclear Data Tables Atomic Energy BMC Medical Physics - OAJ Cancer Prevention Journals Portal Cancer Prevention Research Cancer Reviews Online Dose Response Energy & Environmental Science Energy Policy EURASIP Journal on Advances in Signal Processing - OAJ EURASIP Journal on Bioinformatics and Systems Biology - OAJ EURASIP Journal on Embedded Systems (2006 forward) - OAJ Fuel Fusion Engineering and Design Fusion Nuclear Society Health Physics IETE Journal of Research - OAJ International Journal of Cancer International Journal of Low Radiation International Journal of Microwave Science and Technology - OAJ International Journal of Radiation Biology Journal of Cancer Eqidemiology - OAJ

482

Highlights From SC11  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Highlights From SC11 Highlights From SC11 Highlights From SC11 November 30, 2011 In November 2011, thousands of experts in computing and networking flocked to Seattle, Washington, to participate in tutorials, join panel discussions, lead sessions, give live demonstrations and talks, hold roundtable discussions, help build SCinet-the world's fastest science network-present posters and much more! Here are some highlights from this year's SC11 conference. Berkeley Lab's SC11 Booth - Top left and right photos by David Donofrio Prabhat and Yushu present 100G Demo- Bottom left and right photos courtesy of Yushu Yao. Lab Staff Give Awe-Inspiring Demo of 100 Gbps Capability The demo showed side-by-side presentations of a 5 terabyte dataset streamed from NERSC at 100 Gbps (left) and 10 Gbps (right).

483

Magnetism Highlights| Neutron Science | ORNL  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Magnetism Magnetism SHARE Magnetism Highlights 1-5 of 5 Results ARCS maps collaborative magnetic spin behavior in iron telluride December 01, 2011 - Researchers have long thought that magnetism and superconductivity are mutually exclusive. The former typically involves localized atomic electrons. The latter requires freely propagating, itinerant electrons. Unexpected Magnetic Excitations in Doped Insulator Surprise Researchers October 01, 2011 - When doping a disordered magnetic insulator material with atoms of a nonmagnetic material, the conventional wisdom is that the magnetic interactions between the magnetic ions in the material will be weakened. Neutron Analysis Reveals Unique Atomic-Scale Behavior of "Cobalt Blue" September 01, 2011 - Neutron scattering studies of "cobalt blue," a

484

Program Highlights Index  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Program Highlights Index Program Highlights Index Disposal of Greater-than-Class C Low-Level Radioactive Waste Ecological Risk Assessment of Chemically and Radiologically Contaminated Federal Sites Energy Zone Planning Tool for the Eastern United States Environmental Site Characterization and Remediation at Former Grain Storage Sites Evaluation of Risks of Aquatic Nuisance Species Transfer via the Chicago Area Waterway System Formerly Utilized Sites Remedial Action Program (FUSRAP) Glen Canyon Dam Long-Term Experimental and Management Plan EIS Highly Enriched Uranium Transparency Program Management of Naturally Occurring Radioactive Material (NORM) Generated by the Petroleum Industry Mobile Climate Observatory for Atmospheric Aerosols in India Mobile Climate Observatory on the Pacific

485

Highlights: East & West Jerusalem  

E-Print Network [OSTI]

Zefat, Sea of Galilee 18 May Golan Heights, Hula Valley, Jordan River 19 May East Jerusalem 20 May WestHighlights: Tel Aviv East & West Jerusalem Zefat Sea of Galilee Jaffa Dead Sea Masada Jordan River & Valley Golan Heights Qumran (day-by-day itinerary and more details on reverse side) Priority application

486

WILDLIFE CONTROL Session Highlights  

E-Print Network [OSTI]

field assistance for airport operators. Wolf has been responsible for operational wildlife hazard mentioned in these highlights, please contact: Jim Grothaus, Technology Transfer Engineer Air . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8 #12;1 GENERAL OVERVIEW OF WILDLIFE HAZARDS Wildlife can create hazards for an airport environment

Minnesota, University of

487

CLARIMONT S., VLES V. (2009). "Pyrenean tourism confronted with sustainable development: partial and hesitant integration", Journal of Alpine research, "Moutain  

E-Print Network [OSTI]

Article CLARIMONT S., VLES V. (2009). "Pyrenean tourism confronted with sustainable development: partial and hesitant integration", Journal of Alpine research, "Moutain tourism and sustainability", [On tourisme pyrénéen face au développement durable : une intégration partielle et hésitante Sylvie Clarimont

Paris-Sud XI, Université de

488

JOURNAL OF GEOPHYSICAL RESEARCH, VOL. ???, XXXX, DOI:10.1029/, Climate Impacts of Cirrus Ice Nucleation1  

E-Print Network [OSTI]

in the climate system. Ice clouds reflect solar radiation23 back to space, cooling the planet. However, cold ice finely balanced between warming and cooling, with warming thought to be slightly larger.27 Changes to iceJOURNAL OF GEOPHYSICAL RESEARCH, VOL. ???, XXXX, DOI:10.1029/, Climate Impacts of Cirrus Ice

Gettelman, Andrew

489

Journal of Volcanology and Geothermal Research 65 ( 1995 ) 119-133 The Hengill geothermal area, Iceland: Variation of temperature  

E-Print Network [OSTI]

Journal of Volcanology and Geothermal Research 65 ( 1995 ) 119-133 The Hengill geothermal area. These conditions are approached at the Hengill geothermal area, S. Iceland, a dominantly basaltic area. The likely measurements from four drill sites within the area indicate average, near-surface geothermal gradients of up

Foulger, G. R.

490

Journal ofMurirzr Research, 53, 799-8 19, 1995 Carbon cycling in mesohaline ChesapeakeBay sediments 1  

E-Print Network [OSTI]

Journal ofMurirzr Research, 53, 799-8 19, 1995 Carbon cycling in mesohaline ChesapeakeBay sedimentsChesapeake Baywas analyzed using available data on sediment sulfate reduction, sediment oxygen consumption of integrated sediment metabolism and POC burial compared well with direct estimates derived from chlorophyll

Boynton, Walter R.

491

SOFTWARE ENGINEERING Journal of Research and Practice in Information Technology, Vol. 32, No. 1, February 2000 39  

E-Print Network [OSTI]

. There are some safety-critical applications where the most serious software mishaps must be avoided at all needed to develop the high quality software some safety-critical applications demand. ThereforeSOFTWARE ENGINEERING Journal of Research and Practice in Information Technology, Vol. 32, No. 1

492

Journal of Marine Research. 47, 81-109, 1989 The response of the coastal ocean to strong offshore winds  

E-Print Network [OSTI]

Journal of Marine Research. 47, 81-109, 1989 The response of the coastal ocean to strong offshore the response of the coastal ocean to strong offshore winds: a linear 11/2-layer model, and a nonlinear 11 the wind strengthens there is an ageostrophic current (not Ekman drift) that is directed offshore

493

JOURNAL OF GEOPHYSICAL RESEARCH, VOL. ???, XXXX, DOI:10.1029/, Energy Transfer and Flow in the Solar1  

E-Print Network [OSTI]

JOURNAL OF GEOPHYSICAL RESEARCH, VOL. ???, XXXX, DOI:10.1029/, Energy Transfer and Flow TENFJORD AND ?STGAARD: ENERGY TRANSFER AND FLOW Abstract. In this paper we describe and quantify the energy data. We employ what we consider to be the best es-6 timates for energy sinks, and relate

?stgaard, Nikolai

494

DOI: 10.2501/JAR-52-4-000-000 December 2012 JOURNAL OF ADVERTISING RESEARCH 65 INTRODUCTION  

E-Print Network [OSTI]

DOI: 10.2501/JAR-52-4-000-000 December 2012 JOURNAL OF ADVERTISING RESEARCH 65 INTRODUCTION YouTube, 2012). Online video advertising, still a relatively new and promising concept (Plummer et al., 2007- tisements (including advertisements from more than 1,000 small advertisers every day) were shown on more

Tomkins, Andrew

495

Journal of Coastal Research 21 2 307322 West Palm Beach, Florida March 2005 Concepts in Sediment Budgets  

E-Print Network [OSTI]

Journal of Coastal Research 21 2 307­322 West Palm Beach, Florida March 2005 Concepts in Sediment and Hydraulics Laboratory Vicksburg, MS 39180-6199, U.S.A. ABSTRACT ROSATI, J.D., 2005, Concepts in sediment-0208. The sediment budget is fundamental in coastal science and engineering. Budgets allow estimates to be made

US Army Corps of Engineers

496

LBL Highlights 1994-1995  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Highlights 1994-1995 Highlights 1994-1995 FOREWORD DISCOVERING THE TOP QUARK BEAMING IN ON CONTAMINANTS SEEKING A CLUE OF FLU CREATING A TRUE BLUE LIGHT CHILL IN A DRILL PICTURING PROTEINS UNTANGLING PSEUDOKNOTS UNLOCKING THE SECRETS OF CELL SENESCENCE ACTIVATING ALKANES PURSUING THE MYSTERIES OF MATTER MBONE: COMMUNICATIONS FOR THE NEXT MILLENNIUM RESEARCH IN THE NATIONAL INTEREST A CONTRACT FOR EDUCATION STAFF CREDITS ON THE COVER: Rising up like an island in the sea is the concentration of chromium in a square millimeter of soil taken from a polluted San Francisco Bay wetland. This computer image, generated on the x-ray fluorescence microprobe beamline of LBL's Advanced Light Source, shows that chromium is drawn to highly localized chemical "hot spots" in the soil. The color scale

497

2010 Energy Conference Highlights  

U.S. Energy Information Administration (EIA) Indexed Site

EIA 2010 Energy Conference Highlights EIA 2010 Energy Conference Highlights 2010 Energy Conference: Short-Term Stresses, Long-Term Change Steven Chu, Secretary of Energy Steve Bolze, President/CEO, Power and Water, GE Energy Richard Newell, EIA Administrator, and Lawrence Summers, Director of the National Economic Council Phil Sharp, President, Resources for the Future Secretary Chu answering questions from the media Photo credits: EIA and Kaveh Sardari Plenary keynote addresses: Dr. Richard Newell Read transcript of opening remarks and introduction of Secretary Steven Chu. Dr. Steven Chu Listen to keynote address. Read presentation. Read transcript. Steve Bolze Read presentation. Read transcript. Dr. Phil Sharp Read transcript. Dr. Lawrence Summers Listen to luncheon address. Read transcript.

498

CEES News and Highlights  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Wins DOE Ten-Hundred and One Word Challenge for "Best Science Lesson" DOE-funded Silicon-Graphene Research Leads to Chicago-based Technology Startup CEES Researchers' Electrical...

499

Schonlau M. Will web surveys ever become part of mainstream research? Journal of Medical Internet Research. 2004; 6(3):e31. Available at http://www.jmir.org/2004/3/e31/.  

E-Print Network [OSTI]

Schonlau M. Will web surveys ever become part of mainstream research? Journal of Medical Internet the pre-publication version in this document. Guest Editorial Will web surveys ever become part Santa Monica, CA 90407 email: matt@rand.org This journal issue contains two interesting papers on web

Schonlau, Matt

500

NREL Provides Guidance to Improve Air Mixing and Thermal Comfort in Homes (Fact Sheet), NREL Highlights, Research & Development, NREL (National Renewable Energy Laboratory)  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

research determines optimal HVAC system design for research determines optimal HVAC system design for proper air mixing and thermal comfort in homes. As U.S. homes become more energy efficient, heating, ventilation, and cooling (HVAC) systems will be downsized, and the air flow volumes required to meet heating and cooling loads may be too small to maintain uniform room air mixing-which can affect thermal comfort. Researchers at the National Renewable Energy Laboratory (NREL) evalu- ated the performance of high sidewall air supply inlets and confirmed that these systems can achieve good air mixing and provide suitable comfort levels for occupants. Using computational fluid dynamics modeling, NREL scientists tested the performance of high sidewall supply air jets over a wide range of parameters including supply air tempera-