National Library of Energy BETA

Sample records for tree development zones

  1. CHRONIC IRRADIATION OF SCOTS PINE TREES (PINUS SYLVESTRIS) IN THE CHERNOBYL EXCLUSION ZONE: DOSIMETRY AND RADIOBIOLOGICAL EFFECTS

    SciTech Connect (OSTI)

    Farfan, E.; Jannik, T.

    2011-10-01

    To identify effects of chronic internal and external radiation exposure for components of terrestrial ecosystems, a comprehensive study of Scots pine trees in the Chernobyl Exclusion Zone was performed. The experimental plan included over 1,100 young trees (up to 20 years old) selected from areas with varying levels of radioactive contamination. These pine trees were planted after the 1986 Chernobyl Nuclear Power Plant accident mainly to prevent radionuclide resuspension and soil erosion. For each tree, the major morphological parameters and radioactive contamination values were identified. Cytological analyses were performed for selected trees representing all dose rate ranges. A specially developed dosimetric model capable of taking into account radiation from the incorporated radionuclides in the trees was developed for the apical meristem. The calculated dose rates for the trees in the study varied within three orders of magnitude, from close to background values in the control area (about 5 mGy y{sup -1}) to approximately 7 Gy y{sup -1} in the Red Forest area located in the immediate vicinity of the Chernobyl Nuclear Power Plant site. Dose rate/effect relationships for morphological changes and cytogenetic defects were identified and correlations for radiation effects occurring on the morphological and cellular level were established.

  2. Local Option- Rural Renewable Energy Development Zones

    Office of Energy Efficiency and Renewable Energy (EERE)

    Commercial renewable energy property in these zones are eligible for a 3 to 5 year local property tax exemption. Eligible property includes either wind, geothermal, solar, biomass, or other uncon...

  3. Below Canopy Meteorological Measurements at Three Florida Sites with Varying Tree Cover and Development 

    E-Print Network [OSTI]

    Sonne, J. K.; Vieira, R. K.

    2000-01-01

    for preserving trees within recently constructed developments, as well as the potential impact of tree planting programs. To address this question, temperature measurements were made over a one year period at three Melbourne, Florida sites. The results showed a...

  4. Transpiration and Root Development of Urban Trees in Structural Soil Stormwater Reservoirs

    E-Print Network [OSTI]

    Virginia Tech

    Transpiration and Root Development of Urban Trees in Structural Soil Stormwater Reservoirs Julia Abstract Stormwater management that relies on eco- system processes, such as tree canopy interception sustainable urban forests and stormwater management. We evaluated tree water uptake and root distribution

  5. Survival of planted tupelo seedlings in F- and H-Area tree-kill zones

    SciTech Connect (OSTI)

    Nelson, E.A.; Rogers, V.A.

    1995-01-01

    Swamp tupelo seedlings were planted in four areas which experienced previous tree mortality at the seeplines of the F- and H-Area Seepage Basins. The sites represented a range in severity of impact and stage of recovery. Seedlings were planted in February of 1994 and followed through the first growing season in the field. Survival on all sites through the first growing season was excellent, with greater than 92% of the seedlings still alive. Most seedlings appeared healthy with few external signs of stress. The performance of the seedlings will be followed in subsequent years to determine the physical state of the soil environment on seedling growth. Hopefully, the results will indicate that artificial reforestation can begin on similarly impacted sites prior to the beginning of natural revegetation of the site.

  6. TREE TRAILS Tree Trails Curriculum

    E-Print Network [OSTI]

    TREE TRAILS Tree Trails Curriculum Tree Trails curriculum was developed by Texas A&M Forest Service Trails curriculum was developed by Texas A&M Forest Service in cooperation with Texas Urban Forestry Service Leader The curriculum is aligned to Texas Essential Knowledge and Skills (TEKS) in reading

  7. Development of Hydrologic Characterization Technology of Fault Zones

    SciTech Connect (OSTI)

    Karasaki, Kenzi; Onishi, Tiemi; Wu, Yu-Shu

    2008-03-31

    Through an extensive literature survey we find that there is very limited amount of work on fault zone hydrology, particularly in the field using borehole testing. The common elements of a fault include a core, and damage zones. The core usually acts as a barrier to the flow across it, whereas the damage zone controls the flow either parallel to the strike or dip of a fault. In most of cases the damage zone isthe one that is controlling the flow in the fault zone and the surroundings. The permeability of damage zone is in the range of two to three orders of magnitude higher than the protolith. The fault core can have permeability up to seven orders of magnitude lower than the damage zone. The fault types (normal, reverse, and strike-slip) by themselves do not appear to be a clear classifier of the hydrology of fault zones. However, there still remains a possibility that other additional geologic attributes and scaling relationships can be used to predict or bracket the range of hydrologic behavior of fault zones. AMT (Audio frequency Magneto Telluric) and seismic reflection techniques are often used to locate faults. Geochemical signatures and temperature distributions are often used to identify flow domains and/or directions. ALSM (Airborne Laser Swath Mapping) or LIDAR (Light Detection and Ranging) method may prove to be a powerful tool for identifying lineaments in place of the traditional photogrammetry. Nonetheless not much work has been done to characterize the hydrologic properties of faults by directly testing them using pump tests. There are some uncertainties involved in analyzing pressure transients of pump tests: both low permeability and high permeability faults exhibit similar pressure responses. A physically based conceptual and numerical model is presented for simulating fluid and heat flow and solute transport through fractured fault zones using a multiple-continuum medium approach. Data from the Horonobe URL site are analyzed to demonstrate the proposed approach and to examine the flow direction and magnitude on both sides of a suspected fault. We describe a strategy for effective characterization of fault zone hydrology. We recommend conducting a long term pump test followed by a long term buildup test. We do not recommend isolating the borehole into too many intervals. We do recommend ensuring durability and redundancy for long term monitoring.

  8. How do Distribution and Time Zones affect Software Development? A Case Study on

    E-Print Network [OSTI]

    Meyer, Bertrand

    How do Distribution and Time Zones affect Software Development? A Case Study on Communication local developments to geographically distributed projects. This paper presents a case study analyzing the effect of distribution and time zones on com- munication in distributed projects. The study was performed

  9. Culture and commerce in China's Special Economic Zone : an experiment in design and development

    E-Print Network [OSTI]

    Lee, Joyce See-yin

    1989-01-01

    Improvements in the real estate environment in the Shenzhen Special Economic Zone have been conducive to development and foreign investment. Based on a projected market demand, a mixed-use development in the theme of a ...

  10. NOAAINMFS Developments NOAA Raises Coastal Zone Management Status

    E-Print Network [OSTI]

    attention on the coastal zone for deepwater ports, floating nuclear power plants, and offshore oil and gas to eight vessels supplying three processing plants, with a total output of around 1.2 million pounds of the deep-sea red crab, and declining consumer buying power, make the fu- ture for the red crab market

  11. SEEING THE COMMUNITY FOR THE TREES: ASSESSING LOCALLY-DEVELOPED

    E-Print Network [OSTI]

    project performance (in terms of sustainability) and increase participation at the evaluation stage `top-down' approach to develop indicators as tools to assess sustainability. I assessed performance of the indicator sets against the Sustainability Indicators Standard (SIS). Locally-developed indicators perform

  12. Aqaba's Old Town : proposed model for community development within the Aqaba Special Economic Zone

    E-Print Network [OSTI]

    Al-Husseini, Dalia Z. (Dalia Zuehir)

    2007-01-01

    As a recently designated Special Economic Zone in 2001 and Jordan's only port, Aqaba has been experiencing a major economic boom and rapid development at a scale previously unprecedented in Jordan. Under the governance of ...

  13. Renewable Energy Renaissance Zones

    Broader source: Energy.gov [DOE]

    For the purposes of renaissance zone designation, “renewable energy facility” means a facility that creates energy, fuels, or chemicals directly from the wind, the sun, trees, grasses, biosolids,...

  14. Development of Characterization Technology for Fault Zone Hydrology

    SciTech Connect (OSTI)

    Karasaki, Kenzi; Onishi, Tiemi; Gasperikova, Erika; Goto, Junichi; Tsuchi, Hiroyuki; Miwa, Tadashi; Ueta, Keiichi; Kiho, Kenzo; MIyakawa, Kimio

    2010-08-06

    Several deep trenches were cut, and a number of geophysical surveys were conducted across the Wildcat Fault in the hills east of Berkeley, California. The Wildcat Fault is believed to be a strike-slip fault and a member of the Hayward Fault System, with over 10 km of displacement. So far, three boreholes of ~;; 150m deep have been core-drilled and borehole geophysical logs were conducted. The rocks are extensively sheared and fractured; gouges were observed at several depths and a thick cataclasitic zone was also observed. While confirming some earlier, published conclusions from shallow observations about Wildcat, some unexpected findings were encountered. Preliminary analysis indicates that Wildcat near the field site consists of multiple faults. The hydraulic test data suggest the dual properties of the hydrologic structure of the fault zone. A fourth borehole is planned to penetrate the main fault believed to lie in-between the holes. The main philosophy behind our approach for the hydrologic characterization of such a complex fractured system is to let the system take its own average and monitor a long term behavior instead of collecting a multitude of data at small length and time scales, or at a discrete fracture scale and to ?up-scale,? which is extremely tenuous.

  15. Riparian Forest Grows Trees fall in

    E-Print Network [OSTI]

    Riparian Forest Grows Trees Die Trees fall in the lake Trees leave the littoral zone "Life" Cycle of Coarse Woody Habitat #12;Riparian Forest Grows What factors drive the species composition and stand factors drive the species composition and stand structure? Trees Die Trees fall in the lake Trees leave

  16. DEVELOPMENT OF VADOSE-ZONE HYDRAULIC PARAMETER VALUES

    SciTech Connect (OSTI)

    ROGERS PM

    2008-01-21

    Several approaches have been developed to establish a relation between the soil-moisture retention curve and readily available soil properties. Those relationships are referred to as pedotransfer functions. Described in this paper are the rationale, approach, and corroboration for use of a nonparametric pedotransfer function for the estimation of soil hydraulic-parameter values at the yucca Mountain area in Nevada for simulations of net infiltration. This approach, shown to be applicable for use at Yucca Mountain, is also applicable for use at the Hanford Site where the underlying data were collected.

  17. Development of the IPRO-zone for fire PSA and its applications

    SciTech Connect (OSTI)

    Kang, D. I.; Han, S. H. [Integrated Safety Assessment Div., Korea Atomic Energy Research Inst. KAERI, 1045 Daedeokdaero (150 Deokjin-Dong), Yuseong-Gu, Daejon, 305-353 (Korea, Republic of)

    2012-07-01

    A PSA analyst has been manually determining fire-induced component failure modes and modeling them into the PSA logics. These can be difficult and time-consuming tasks as they need much information and many events are to be modeled. KAERI has been developing the IPRO-ZONE (interface program for constructing zone effect table) to facilitate fire PSA works for identifying and modeling fire-induced component failure modes, and to construct a one top fire event PSA model. With the output of the IPRO-ZONE, the AIMS-PSA, and internal event one top PSA model, one top fire events PSA model is automatically constructed. The outputs of the IPRO-ZONE include information on fire zones/fire scenarios, fire propagation areas, equipment failure modes affected by a fire, internal PSA basic events corresponding to fire-induced equipment failure modes, and fire events to be modeled. This paper introduces the IPRO-ZONE, and its application results to fire PSA of Ulchin Unit 3 and SMART(System-integrated Modular Advanced Reactor). (authors)

  18. Pompano subsea development: Template/manifold, tree and ROV intervention systems

    SciTech Connect (OSTI)

    Beckmann, M.M.; Byrd, M.L.; Holt, J.; Riley, J.W.; Snell, C.K.; Tyer, C.; Brewster, D.

    1996-12-31

    BP Exploration`s Pompano Subsea Development, in 1,865 ft of water in the Gulf of Mexico, uses a subsea production system to produce oil to a host platform 4{1/2} miles away. The 10-slot subsea template/manifold supports Through FlowLine (TFL) wells, which are controlled by means of an electrohydraulic control system. All process components of the system are retrievable with ROV intervention. This paper describes the template/manifold system, TFL tree system and ROV intervention systems.

  19. Late Quaternary constructional development of the Axial Volcanic Zone, eastern Snake River Plain, Idaho

    E-Print Network [OSTI]

    Wetmore, Paul H.

    Late Quaternary constructional development of the Axial Volcanic Zone, eastern Snake River Plain volcanic ridge that trends northeast across the middle of the eastern Snake River Plain, and acts Snake River Plain: the AVZ, the Big Lost Trough to the north, and the Arco-Big Southern Butte (ABSB

  20. Figure I.-Offshore bases in Mexico's Exclusive Economic Zone (EEZ). Foreign Fishery Developments

    E-Print Network [OSTI]

    Figure I.-Offshore bases in Mexico's Exclusive Economic Zone (EEZ). Foreign Fishery Developments Mexico's Marine Fisheries Enforcement Gulf Coast Enforcement The Gulf of Mexico is especially rich in shrimp resources. Mexico has had major problems with illegal foreign fishing on the Campeche Bank, espe

  1. Development of source functions for modeling dissolution of residual DNAPL fingers in the saturated zone 

    E-Print Network [OSTI]

    Johnson, Brian Scott

    1993-01-01

    fmger in the saturated zone. Modeling dissolution from a residual fmger can be approached in one of two ways: as an equilibrium process or as a rate dependent kinetic process. Development of a source term for modeling the dissolution from remediation...

  2. Development of a computer-aided fault tree synthesis methodology for quantitative risk analysis in the chemical process industry 

    E-Print Network [OSTI]

    Wang, Yanjun

    2005-02-17

    will greatly benefit the CPI. The primary objective of this research is to develop a computer-aided fault tree synthesis methodology for CPQRA. The central idea is to capture the cause-and-effect logic around each item of equipment directly into mini fault.............................................................................21 2.2 Preliminary Research.......................................................22 2.2.1 Digraph Based Methods.......................................22 2.2.2 Mini Fault Tree Based Methods...........................25 2.2.3 Rule Based Methods...

  3. A review for identification of initiating events in event tree development process on nuclear power plants

    SciTech Connect (OSTI)

    Riyadi, Eko H.

    2014-09-30

    Initiating event is defined as any event either internal or external to the nuclear power plants (NPPs) that perturbs the steady state operation of the plant, if operating, thereby initiating an abnormal event such as transient or loss of coolant accident (LOCA) within the NPPs. These initiating events trigger sequences of events that challenge plant control and safety systems whose failure could potentially lead to core damage or large early release. Selection for initiating events consists of two steps i.e. first step, definition of possible events, such as by evaluating a comprehensive engineering, and by constructing a top level logic model. Then the second step, grouping of identified initiating event's by the safety function to be performed or combinations of systems responses. Therefore, the purpose of this paper is to discuss initiating events identification in event tree development process and to reviews other probabilistic safety assessments (PSA). The identification of initiating events also involves the past operating experience, review of other PSA, failure mode and effect analysis (FMEA), feedback from system modeling, and master logic diagram (special type of fault tree). By using the method of study for the condition of the traditional US PSA categorization in detail, could be obtained the important initiating events that are categorized into LOCA, transients and external events.

  4. Prospects of development of the power industry in the zone of influence of the transcontinental railroad

    SciTech Connect (OSTI)

    Fel`dman, B.N.; Luk`yanov, V.A.

    1994-02-01

    The authors examine the possibilities of developing a power industry in the zone of influence of the transcontinental railroad (TCR). Two aspects of development are studied in particular: (1) the electric power supply for construction and subsequently for the operating railroad in coordination with simultaneous provision for the needs of adjacent regions; (2) the construction of a transcontinental transmission line with the use of a tunnel and railroad for its construction and with the creation of a unified transport--power corridor. Of great interest are the possibilities of constructing hydrostations in regions of the Sakha Republic (Yakutia), Chukchi Peninsula, and in the southern part of the Magadan region. The route of the proposed main line is located in the zone of influence of a number of prospective hydropower installations. 2 tabs.

  5. THE FOREST AND THE TREES The development of fusion energy only occupies a very small part of the

    E-Print Network [OSTI]

    small part of the world's energy picture and the fusion community often has difficulty seeing the forest. Scientifically ITER could show low stability limits and/or poor energy and particle confinement. Most importantlyTHE FOREST AND THE TREES Jay Kesner MIT PSFC The development of fusion energy only occupies a very

  6. Biofuels development in Maine: Using trees to oil the wheels of sustainability -Maine news, sports, obituaries, weather -Bangor Daily News http://bangordailynews.com/2013/03/12/opinion/biofuels-development-in-maine-using-trees-to-oil-the-wheels-of-sustain

    E-Print Network [OSTI]

    Thomas, Andrew

    Biofuels development in Maine: Using trees to oil the wheels of sustainability - Maine news, sports, obituaries, weather - Bangor Daily News http://bangordailynews.com/2013/03/12/opinion/biofuels-development-in-maine-using-trees-to-oil-the-wheels-of-sustainability/print/[3/13/2013 1:54:43 PM] Biofuels development

  7. Development Of Regional Climate Mitigation Baseline For A DominantAgro-Ecological Zone Of Karnataka, India

    SciTech Connect (OSTI)

    Sudha, P.; Shubhashree, D.; Khan, H.; Hedge, G.T.; Murthy, I.K.; Shreedhara, V.; Ravindranath, N.H.

    2007-06-01

    Setting a baseline for carbon stock changes in forest andland use sector mitigation projects is an essential step for assessingadditionality of the project. There are two approaches for settingbaselines namely, project-specific and regional baseline. This paperpresents the methodology adopted for estimating the land available formitigation, for developing a regional baseline, transaction cost involvedand a comparison of project-specific and regional baseline. The studyshowed that it is possible to estimate the potential land and itssuitability for afforestation and reforestation mitigation projects,using existing maps and data, in the dry zone of Karnataka, southernIndia. The study adopted a three-step approach for developing a regionalbaseline, namely: i) identification of likely baseline options for landuse, ii) estimation of baseline rates of land-use change, and iii)quantification of baseline carbon profile over time. The analysis showedthat carbon stock estimates made for wastelands and fallow lands forproject-specific as well as the regional baseline are comparable. Theratio of wasteland Carbon stocks of a project to regional baseline is1.02, and that of fallow lands in the project to regional baseline is0.97. The cost of conducting field studies for determination of regionalbaseline is about a quarter of the cost of developing a project-specificbaseline on a per hectare basis. The study has shown the reliability,feasibility and cost-effectiveness of adopting regional baseline forforestry sectormitigation projects.

  8. TREE TRAILS Tree Scavenger Hunt

    E-Print Network [OSTI]

    TREE TRAILS Tree Scavenger Hunt Group _______ Try to find as many items on this list as you can. Resin is a clear or translucent substance that oozes from trees and other plants. Module 5 #12;

  9. The development of a prototype Zone-Plate-Array Lithography (ZPAL) system

    E-Print Network [OSTI]

    Patel, Amil Ashok, 1979-

    2004-01-01

    The research presented in this paper aims to build a Zone-Plate-Array Lithography (ZPAL) prototype tool that will demonstrate the high-resolution, parallel patterning capabilities of the architecture. The experiment will ...

  10. Design and Development of a New Hybrid Spectroelectrochemical Sensor; Spectroelectrochemical Sensor for Technetium Applicable to the Vadose Zone

    SciTech Connect (OSTI)

    Heineman, William R; Seliskar, Carl J.; Ridgway, Thomas H.; Bryan, Samuel A.; Hubler, Timothy L.

    2000-06-01

    The general objective is the design and implementation of a new sensor technology that offers the unprecedented levels of specificity needed for analysis of the complex chemical mixtures found at DOE sites nationwide. The specific objectives are threefold: demonstration of the general sensor concept on a variety of model systems; development of a sensor for ferrocyanide with testing on waste tank simulant; and development of a sensor for pertechnetate applicable to the Vadose Zone.

  11. Alleghanian development of the Goat Rock fault zone, southernmost Appalachians: Temporal compatibility with the master decollement

    SciTech Connect (OSTI)

    Steltenpohl, M.G. (Auburn Univ., AL (United States)); Goldberg, S.A. (Univ. of North Carolina, Chapel Hill (United States)); Hanley, T.B. (Columbus College, GA (United States)); Kunk, M.J. (Geological Survey, Reston, VA (United States))

    1992-09-01

    The Goat Rock and associated Bartletts Ferry fault zones, which mark the eastern margin of the Pine Mountain Grenville basement massif, are controversial due to the suggestion that they are rare exposed segments of the late Paleozoic southern Appalachian master decollement. The controversy in part stems from reported middle Paleozoic (Acadian) radiometric dates postulated as the time of movement along these fault zones. Ultramylonite samples from the type area at Goat Rock Dam yield a 287 [plus minus] 15 Ma Rb-Sr isochron interpreted as the time of Sr isotopic rehomgenization during mylonitization. This date is corroborated by Late Pennsylvanian-Early Permian [sup 40]Ar/[sup 39]Ar mineral ages on hornblende (297-288 Ma) and muscovite (285-278 Ma) from neomineralized and dynamically recrystallized rocks within and straddling the fault zone. These Late Pennsylvanian-Early Permian dates indicate the time of right-slip movement (Alleghenian) along the Goat Rock fault zone, which is compatible with the timing suggested by COCORP for thrusting along the southern Appalachian master decollement.

  12. Development of Hydrologic Characterization Technology of Fault Zones -- Phase I, 2nd Report

    SciTech Connect (OSTI)

    Karasaki, Kenzi; Onishi, Tiemi; Black, Bill; Biraud, Sebastien

    2009-03-31

    This is the year-end report of the 2nd year of the NUMO-LBNL collaborative project: Development of Hydrologic Characterization Technology of Fault Zones under NUMO-DOE/LBNL collaboration agreement, the task description of which can be found in the Appendix 3. Literature survey of published information on the relationship between geologic and hydrologic characteristics of faults was conducted. The survey concluded that it may be possible to classify faults by indicators based on various geometric and geologic attributes that may indirectly relate to the hydrologic property of faults. Analysis of existing information on the Wildcat Fault and its surrounding geology was performed. The Wildcat Fault is thought to be a strike-slip fault with a thrust component that runs along the eastern boundary of the Lawrence Berkeley National Laboratory. It is believed to be part of the Hayward Fault system but is considered inactive. Three trenches were excavated at carefully selected locations mainly based on the information from the past investigative work inside the LBNL property. At least one fault was encountered in all three trenches. Detailed trench mapping was conducted by CRIEPI (Central Research Institute for Electric Power Industries) and LBNL scientists. Some intriguing and puzzling discoveries were made that may contradict with the published work in the past. Predictions are made regarding the hydrologic property of the Wildcat Fault based on the analysis of fault structure. Preliminary conceptual models of the Wildcat Fault were proposed. The Wildcat Fault appears to have multiple splays and some low angled faults may be part of the flower structure. In parallel, surface geophysical investigations were conducted using electrical resistivity survey and seismic reflection profiling along three lines on the north and south of the LBNL site. Because of the steep terrain, it was difficult to find optimum locations for survey lines as it is desirable for them to be as straight as possible. One interpretation suggests that the Wildcat Fault is westerly dipping. This could imply that the Wildcat Fault may merge with the Hayward Fault at depth. However, due to the complex geology of the Berkeley Hills, multiple interpretations of the geophysical surveys are possible. iv An effort to construct a 3D GIS model is under way. The model will be used not so much for visualization of the existing data because only surface data are available thus far, but to conduct investigation of possible abutment relations of the buried formations offset by the fault. A 3D model would be useful to conduct 'what if' scenario testing to aid the selection of borehole drilling locations and configurations. Based on the information available thus far, a preliminary plan for borehole drilling is outlined. The basic strategy is to first drill boreholes on both sides of the fault without penetrating it. Borehole tests will be conducted in these boreholes to estimate the property of the fault. Possibly a slanted borehole will be drilled later to intersect the fault to confirm the findings from the boreholes that do not intersect the fault. Finally, the lessons learned from conducting the trenching and geophysical surveys are listed. It is believed that these lessons will be invaluable information for NUMO when it conducts preliminary investigations at yet-to-be selected candidate sites in Japan.

  13. Two Recent Developments in Tree Adjoining Grammars: Semantics and Efficient Processing

    E-Print Network [OSTI]

    examples the working of synchronous TAGs and some of its applications, for example in generation. A variant of TAGs, called synchronous TAGs, has been developed (Shieber and Schabes [1990(a)]). It is used or to their translates in another natural language (the work on Synchronous TAG and its applications to language interpre

  14. Street Tree Inventory Report and Recommendations

    E-Print Network [OSTI]

    to train and shape young trees. * Favor trees other than live oak in street tree planting projects. * Develop an annual work plan for tree maintenance and planting. * Continue to hold an annual Arbor Day with community staff or volunteers. Questions or comments should be directed to: Report prepared by: Texas Forest

  15. The effects of a remediated fly ash spill and weather conditions on reproductive success and offspring development in tree

    E-Print Network [OSTI]

    Hopkins, William A.

    The effects of a remediated fly ash spill and weather conditions on reproductive success fly ash spill, and the interac- tion between these factors on reproductive success and growth of tree

  16. Phylogenetic trees in bioinformatics

    SciTech Connect (OSTI)

    Burr, Tom L

    2008-01-01

    Genetic data is often used to infer evolutionary relationships among a collection of viruses, bacteria, animal or plant species, or other operational taxonomic units (OTU). A phylogenetic tree depicts such relationships and provides a visual representation of the estimated branching order of the OTUs. Tree estimation is unique for several reasons, including: the types of data used to represent each OTU; the use ofprobabilistic nucleotide substitution models; the inference goals involving both tree topology and branch length, and the huge number of possible trees for a given sample of a very modest number of OTUs, which implies that fmding the best tree(s) to describe the genetic data for each OTU is computationally demanding. Bioinformatics is too large a field to review here. We focus on that aspect of bioinformatics that includes study of similarities in genetic data from multiple OTUs. Although research questions are diverse, a common underlying challenge is to estimate the evolutionary history of the OTUs. Therefore, this paper reviews the role of phylogenetic tree estimation in bioinformatics, available methods and software, and identifies areas for additional research and development.

  17. Spatial Analysis of Residential Development and Urban-Rural Zoning in Baltimore County, Maryland 

    E-Print Network [OSTI]

    Griffin, Alexander C.

    2011-10-21

    Over the past half-century, Baltimore County, Maryland has experienced various policy measures that have shaped development patterns. This thesis analyzes three spatially explicit parcel-level models of residential development in Baltimore County...

  18. Synthesis and Design Strategies for the Development of Macroscopic Interplant Water Networks in Industrial Zones 

    E-Print Network [OSTI]

    Alnouri, Sabla

    2015-07-14

    and wastewater management is a key research priority. As a result, several necessary aspects that have not been addressed previously in water integration methods have been considered in this work, by developing and implementing a framework which allows...

  19. Management of the coastal zone in Small Island Developing States; coastal defences and sustainable tourism 

    E-Print Network [OSTI]

    Chambers, Jennifer

    2014-11-27

    Barbados, as with many Small Island Developing States has a tourism-dependent economy. Climate change and its effects pose a great threat to the coastal tourism facilities the island has to offer, particularly vulnerable are beaches. The government...

  20. Street Tree Inventory Report and Recommendations

    E-Print Network [OSTI]

    . * Favor trees other than crapemyrtle in street tree planting projects. * Develop a systematic program for tree maintenance and planting. * Continue to hold an annual Arbor Day celebration and involve local: Report prepared by: Texas Forest Service Urban Forestry Coordinator Texas Forest Service 301 Tarrow Drive

  1. Confidence building on the Korean Peninsula: A conceptual development for the cooperative monitoring of limited-force deployment zones

    SciTech Connect (OSTI)

    Vannoni, M.; Duggan, R. [Sandia National Labs., Albuquerque, NM (United States). Cooperative Monitoring Center; Nam, M.K.; Moon, K.K.; Kim, M.J. [Korea Inst. for Defense Analyses, Seoul (Korea, Republic of). Arms Control Research Center

    1997-04-01

    Confidence building measures (CBMs), particularly military ones, that address the security needs of North and South Korea could decrease the risk of conflict on the Korean Peninsula and help create an environment in which to negotiate a peace regime. The Korea Institute for Defense Analyses (KIDA) and the Cooperative Monitoring Center (CMC) of Sandia National Laboratories collaborated to identify potential CBMs and define associated monitoring. The project is a conceptual analysis of political and technical options for confidence building that might be feasible in Korea at some future time. KIDA first analyzed current security conditions and options for CBMs. Their conclusions are presented as a hypothetical agreement to strengthen the Armistice Agreement by establishing Limited Force Deployment Zones along the Military Demarcation Line. The goal of the hypothetical agreement is to increase mutual security and build confidence. The CMC then used KIDA`s scenario to develop a strategy for cooperative monitoring the agreement. Cooperative monitoring is the collecting, analyzing and sharing of agreed information among parties to an agreement and typically relies on the use of commercially available technology. A cooperative monitoring regime must be consistent with the agreement`s terms; the geographic, logistic, military, and political factors in the Korean setting; and the capabilities of monitoring technologies. This report describes the security situation on the Korean peninsula, relevant precedents from other regions, the hypothetical agreement for reducing military tensions, a monitoring strategy for the hypothetical Korean agreement, examples of implementation, and a description of applicable monitoring technologies and procedures.

  2. Finite Sholander Trees, Trees, and their Betweenness

    E-Print Network [OSTI]

    Chvátal, Vašek; Schäfer, Philipp Matthias

    2011-01-01

    We provide a proof of Sholander's claim (Trees, lattices, order, and betweenness, Proc. Amer. Math. Soc. 3, 369-381 (1952)) concerning the representability of collections of so-called segments by trees, which yields a characterization of the interval function of a tree. Furthermore, we streamline Burigana's characterization (Tree representations of betweenness relations defined by intersection and inclusion, Mathematics and Social Sciences 185, 5-36 (2009)) of tree betweenness and provide a relatively short proof.

  3. Human Development Major Career Tree 2014-2015 This document is intended as a SUPPLEMENT to Human Ecology college requirements and the HD curriculum sheet for your matriculation year.

    E-Print Network [OSTI]

    Chen, Tsuhan

    seminar course in addition to HD laboratory course (3) Take research methods (4) Complete a practicum seminar Essential Foundations: (1) Human Development First Year Classes (HD1150, HD1160, HD1170); (2Human Development Major Career Tree 2014-2015 This document is intended as a SUPPLEMENT to Human

  4. Western Renewable Energy Zones (Presentation)

    SciTech Connect (OSTI)

    Hein, J.

    2011-06-01

    This presentation summarizes recent developments and trends pertaining to competitive renewable energy zones, transmission planning and the integration of renewable generation resources.

  5. Los Proyectos de La Gamba: Gender Issues in Rural Sustainable Development Projects in the Southern Zone of Costa Rica

    E-Print Network [OSTI]

    Cockrum, Thayne J.

    2001-05-01

    In 1992 at the United Nations Conference on the Environment and Development (UNCED), Costa Rica pledged to make a political commitment to incorporate the sustainability of the environment into the socioeconomic development ...

  6. NASA Technical Memorandum 89098 The Fault-Tree Compiler

    E-Print Network [OSTI]

    Butler, Ricky W.

    L - NASA Technical Memorandum 89098 The Fault-Tree Compiler Anna L. Martensen Ricky W. Butler in preliminary design analysis. The goal of the Fault Tree Compiler (m)program is to provide the user with a tool also be performed, providing the user The motivation for the development of the Fault Tree Compiler

  7. Distributed Contour Trees

    SciTech Connect (OSTI)

    Morozov, Dmitriy; Weber, Gunther H.

    2014-03-31

    Topological techniques provide robust tools for data analysis. They are used, for example, for feature extraction, for data de-noising, and for comparison of data sets. This chapter concerns contour trees, a topological descriptor that records the connectivity of the isosurfaces of scalar functions. These trees are fundamental to analysis and visualization of physical phenomena modeled by real-valued measurements. We study the parallel analysis of contour trees. After describing a particular representation of a contour tree, called local{global representation, we illustrate how di#11;erent problems that rely on contour trees can be solved in parallel with minimal communication.

  8. 2001 TRAFFIC ZONE BOUNDARIES Zone Numbers

    E-Print Network [OSTI]

    Toronto, University of

    2001 TRAFFIC ZONE BOUNDARIES Zone Numbers & Detailed Definitions #12;2001 TRAFFIC ZONE BOUNDARIES of Toronto Joint Program in Transportation January 2003 #12;PREFACE This report presents the 2001 traffic zone numbers by local municipalities in the 2001 TTS survey area. The second part presents detailed

  9. Car-Free Housing Developments: Toward Sustainable Smart Growth and Urban Regeneration Through Car-Free Zoning, Car-Free Redevelopment, Pedestrian Improvement Districts, and New Urbanism

    E-Print Network [OSTI]

    Kushner, James A.

    2005-01-01

    Sustainable Smart Growth and Urban Regeneration Through Car-Free Zoning, Car-Free Redevelopment, Pedestrian Improvement Districts, and New Urbanism

  10. Leavenworth Tree Lighting

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

    Join HERO for our annual Leavenworth Tree Lighting Ceremony & Shopping SATURDAY DECEMBER 12, 2015 Leavenworth Christmas Lighting Festival Visitors return year after year for some...

  11. Zone separator for multiple zone vessels

    DOE Patents [OSTI]

    Jones, John B. (Grand Junction, CO)

    1983-02-01

    A solids-gas contact vessel, having two vertically disposed distinct reaction zones, includes a dynamic seal passing solids from an upper to a lower zone and maintaining a gas seal against the transfer of the separate treating gases from one zone to the other, and including a stream of sealing fluid at the seal.

  12. Apple Tree, NH Big Tree for May By Anne Krantz, NH Big Tree Team,

    E-Print Network [OSTI]

    New Hampshire, University of

    Apple Tree, NH Big Tree for May By Anne Krantz, NH Big Tree Team, UNH Cooperative Extension The explosion of apple blossoms in May transforms the most gnarled old tree into a delicate cloud of beauty (1817-1862) in his essay "The Wild Apple Tree," described the blossoms perfectly: `The flowers

  13. Car-Free Housing Developments: Toward Sustainable Smart Growth and Urban Regeneration Through Car-Free Zoning, Car-Free Redevelopment, Pedestrian Improvement Districts, and New Urbanism

    E-Print Network [OSTI]

    Kushner, James A.

    2005-01-01

    ur- ban revitalization mechanisms, such as car-free zoning,new ur- banism, car-free redevelopment, and pedestriandesired to live in a car-free project. REIM AIRPORT - MUNICH

  14. Saturated Zone Colloid Transport

    SciTech Connect (OSTI)

    H. S. Viswanathan

    2004-10-07

    This scientific analysis provides retardation factors for colloids transporting in the saturated zone (SZ) and the unsaturated zone (UZ). These retardation factors represent the reversible chemical and physical filtration of colloids in the SZ. The value of the colloid retardation factor, R{sub col} is dependent on several factors, such as colloid size, colloid type, and geochemical conditions (e.g., pH, Eh, and ionic strength). These factors are folded into the distributions of R{sub col} that have been developed from field and experimental data collected under varying geochemical conditions with different colloid types and sizes. Attachment rate constants, k{sub att}, and detachment rate constants, k{sub det}, of colloids to the fracture surface have been measured for the fractured volcanics, and separate R{sub col} uncertainty distributions have been developed for attachment and detachment to clastic material and mineral grains in the alluvium. Radionuclides such as plutonium and americium sorb mostly (90 to 99 percent) irreversibly to colloids (BSC 2004 [DIRS 170025], Section 6.3.3.2). The colloid retardation factors developed in this analysis are needed to simulate the transport of radionuclides that are irreversibly sorbed onto colloids; this transport is discussed in the model report ''Site-Scale Saturated Zone Transport'' (BSC 2004 [DIRS 170036]). Although it is not exclusive to any particular radionuclide release scenario, this scientific analysis especially addresses those scenarios pertaining to evidence from waste-degradation experiments, which indicate that plutonium and americium may be irreversibly attached to colloids for the time scales of interest. A section of this report will also discuss the validity of using microspheres as analogs to colloids in some of the lab and field experiments used to obtain the colloid retardation factors. In addition, a small fraction of colloids travels with the groundwater without any significant retardation. Radionuclides irreversibly sorbed onto this fraction of colloids also transport without retardation. The transport times for these radionuclides will be the same as those for nonsorbing radionuclides. The fraction of nonretarding colloids developed in this analysis report is used in the abstraction of SZ and UZ transport models in support of the total system performance assessment (TSPA) for the license application (LA). This analysis report uses input from two Yucca Mountain Project (YMP) analysis reports. This analysis uses the assumption from ''Waste Form and In-Drift Colloids-Associated Radionuclide Concentrations: Abstraction and Summary'' that plutonium and americium are irreversibly sorbed to colloids generated by the waste degradation processes (BSC 2004 [DIRS 170025]). In addition, interpretations from RELAP analyses from ''Saturated Zone In-Situ Testing'' (BSC 2004 [DIRS 170010]) are used to develop the retardation factor distributions in this analysis.

  15. Generalized constructive tree weights

    SciTech Connect (OSTI)

    Rivasseau, Vincent E-mail: adrian.tanasa@ens-lyon.org; Tanasa, Adrian E-mail: adrian.tanasa@ens-lyon.org

    2014-04-15

    The Loop Vertex Expansion (LVE) is a quantum field theory (QFT) method which explicitly computes the Borel sum of Feynman perturbation series. This LVE relies in a crucial way on symmetric tree weights which define a measure on the set of spanning trees of any connected graph. In this paper we generalize this method by defining new tree weights. They depend on the choice of a partition of a set of vertices of the graph, and when the partition is non-trivial, they are no longer symmetric under permutation of vertices. Nevertheless we prove they have the required positivity property to lead to a convergent LVE; in fact we formulate this positivity property precisely for the first time. Our generalized tree weights are inspired by the Brydges-Battle-Federbush work on cluster expansions and could be particularly suited to the computation of connected functions in QFT. Several concrete examples are explicitly given.

  16. A nNon-photorealistic Model for Procedural Painterly Rendered Trees in the Style of Corot 

    E-Print Network [OSTI]

    Losure, Michael Robert

    2009-05-15

    This thesis describes the development of a system for the procedural generation and painterly rendering of trees. Specifically, the rendered trees are modeled after those found in the oil landscape paintings of 19th century French painter Camille...

  17. Protecting Elm Trees from Elm Bark Beetle on the Texas High Plains 

    E-Print Network [OSTI]

    Porter, Patrick; Baugh, Brant A.; Siders, Kerry; Riley, Cherinell; Young, Stanley

    2001-06-27

    This publication can help you recognize and understand the development of the lesser European elm bark beetle, which threatens elm trees on the Texas High Plains. Management and prevention measures are discussed. Deciduous shade and flowering trees...

  18. Development of embrittlement prediction models for U.S. power reactors and the impact of the heat-affected zone to thermal annealing

    SciTech Connect (OSTI)

    Wang, J.A.

    1998-05-01

    The NRC Regulatory Guide 1.99 Revision 2 was based on 177 surveillance data points and the EPRI data base, where 76% of 177 data points and 60% of EPRI data base were from Westinghouse`s data. Therefore, other vendors` radiation environment may not be properly characterized by R.G. 1.99`s prediction. To minimize scatter from the influences of the irradiation temperature, neutron energy spectrum, displacement rate, and plant operation procedures on embrittlement models, improved embrittlement models based on group data that have similar radiation environments and reactor design and operation criteria are examined. A total of 653 shift data points from the current FR-EDB, including 397 Westinghouse data, 93 B and W data, 37 CE data, and 106 GE data, are used. A nonlinear least squares fitting FORTRAN program, incorporating a Monte Carlo procedure with 35% and 10% uncertainty assigned to the fluence and shift data, respectively, was written for this study. In order to have the same adjusted fluence value for the weld and plate material in the same capsule, the Monte Carlo least squares fitting procedure has the ability to adjust the fluence values while running the weld and plate formula simultaneously. Six chemical components, namely, copper, nickel, phosphorus, sulfur, manganese, and molybdenum, were considered in the development of the new embrittlement models. The overall percentage of reduction of the 2-sigma margins per delta RTNDT predicted by the new embrittlement models, compared to that of R.G. 1.99, for weld and base materials are 42% and 36%, respectively. Currently, the need for thermal annealing is seriously being considered for several A302B type RPVs. From the macroscopic view point, even if base and weld materials were verified from mechanical tests to be fully recovered, the linking heat affected zone (HAZ) material has not been properly characterized. Thus the final overall recovery will still be unknown. The great data scatter of the HAZ metals may be the result of the metallurgical heterogeneity that exists in the HAZ. The proposed data fitting procedure for the HAZ material is presented in the paper.

  19. ENERGY IN THE PACIFIC COASTAL ZONE DOES D.O.E. HAVE A ROLE?

    E-Print Network [OSTI]

    Ritschard, Ronald L.

    2013-01-01

    sting Regional Energy Supply Issues • Zone . • . • . ision-coastal zone, planned energy supply developments also areforecasts regional energy supply dependence on the coastal

  20. Human dimensions perspectives on the impacts of coastal zone marine renewable energy

    E-Print Network [OSTI]

    Pomeroy, Caroline; Conway, Flaxen; Hall-Arber, Madeleine

    2013-01-01

    coastal zone marine renewable energy generation. REFERENCESOF COASTAL ZONE MARINE RENEWABLE ENERGY Caroline Pomeroy,and implementing marine renewable energy (MRE) development

  1. Incentive zoning and environmental quality in Boston's Fenway neighborhood

    E-Print Network [OSTI]

    DeFlorio, Joshua (Joshua C.)

    2007-01-01

    A density bonus, also called incentive zoning, is a conditional liberalization of zoning regulations, allowing a real estate development to exceed as-of-right density limits in exchange for the in-kind provision or purchase ...

  2. A Computerized Tree Growth Projection System for Forest Resource Evaluation

    E-Print Network [OSTI]

    A Computerized Tree Growth Projection System for Forest Resource Evaluation in the Lake States Allen L. Lundgren Burton L. Essex Abstract: A computerized tree growth projection sys- tem has been developed for the Lake States Region as part of a larger Forest Resources Evaluation Program (FREP

  3. Optimized Lookahead Trees: A Bridge Between Lookahead Tree Policies

    E-Print Network [OSTI]

    Jung, Tobias

    }@ulg.ac.be Motto: Lookahead trees as a fancy way of parameterizing policies in direct policy search Barbados'13: Optimized Lookahead Trees ­ April 29, 2013 ­ p.1/22 #12;Motivation Barbados'13: Optimized Lookahead Trees � ��� � � �� �� �ºµ Barbados'13: Optimized Lookahead Trees ­ April 29, 2013 ­ p.3/22 #12

  4. Design-by-Analogy Using the WordTree Method and an Automated WordTree Generating Tool 

    E-Print Network [OSTI]

    Oriakhi, Edgar Velazquez

    2012-07-16

    ............................................................................... 44 Tutorial for the WordTree Express ........................................................... 45 IV EXPERIMENT: WORDTREE DESIGN METHOD...????????... 46 Overview... for the development of the WTE program. The topics covered are as follows: ? Goals of the WTE program ? WTE user interface layout ? WTE program code layout ? Challenges of the design ? Benefits of the design ? Tutorial Goals of the WordTree Express Program...

  5. Tree SelectionTree Selection Why is selection important?

    E-Print Network [OSTI]

    was planned ­ 200 years ago - to give owner and future generations a view of Mississippi River through grove;Tree Selection Style III Process Plan - for the future Purpose - planting goal Ponder - site There are lists from different locations. Utility company Local tree board Native trees #12;Utility Company

  6. How tall is the White Ash tree? White Ash tree

    E-Print Network [OSTI]

    Ashline, George

    How tall is the White Ash tree? White Ash tree Sapling Activity Tree location Try this: · Measure the length of the White Ash's shadow on a nice sunny day. Place the end of your measuring tape at the base of the shadow. Record the length on your paper. · Next measure your shadow. Stand next to the White Ash and have

  7. Can These Trees Be Saved? 

    E-Print Network [OSTI]

    Taylor, Eric; Foster, C. Darwin

    2005-10-19

    This publication explains how to determine whether a storm-damaged tree can be saved. If the damage is not severe, most trees will recover in time. Helpful illustrations depict different levels of damage....

  8. Growing Young Trees in the Greening Era

    E-Print Network [OSTI]

    Ma, Lena

    winter · If possible, consider electric pumps and computer controls to be able to irrigate in small doses · Irrigation · Fertilization · Weed Control · Pest Management · Disease Management #12;The Young Tree Paradox and economic return = FLUSH!!! #12;Irrigation · Critical ­ restriction of canopy development is the first

  9. Binary Join Trees

    E-Print Network [OSTI]

    Shenoy, Prakash P.

    1996-01-01

    the number of elements of set ?, and let || s || denote the number of elements of the state space of subset s. A procedure in pseudocode for constructing a join tree (N, E) using binary combination is as follows. 4.2.1 Procedure INPUT: ?, ? OUTPUT...

  10. TREE TRAILS Tree measurement is fundamental to the practice of forestry. Foresters count trees and measure trees.

    E-Print Network [OSTI]

    ) select and use appropriate units and formulas to measure length, perimeter, area, and volume. Science: 5 standard units of measure. Point out that not all of the display measuring instruments have the same1 TREE TRAILS Tree measurement is fundamental to the practice of forestry. Foresters count trees

  11. USDA Forest Service Gen. Tech. Rep. PSW-GTR-181. 2002. 863 British Columbia's Dangerous Tree

    E-Print Network [OSTI]

    Standiford, Richard B.

    USDA Forest Service Gen. Tech. Rep. PSW-GTR-181. 2002. 863 British Columbia's Dangerous Tree Guy7 Abstract New dangerous tree assessment guidelines have recently been developed by the Wildlife snag was replaced with "dangerous tree." According to section 26.1 of these regulations, a dangerous

  12. Generalized event tree algorithm and software for dam safety risk assessment

    E-Print Network [OSTI]

    Bowles, David S.

    Generalized event tree algorithm and software for dam safety risk assessment Anurag Srivastava 1 an event tree risk model for dam safety risk assessment in a highly flexible manner. This paper describes and a summary of plans for its further development. Keywords: Event tree analysis, dam safety risk assessment

  13. Tree-grass and tree-tree interactions in a temperate savanna 

    E-Print Network [OSTI]

    Simmons, Mark Trevor

    2004-11-15

    , particularly on shallower soils, but only during a season of significant precipitation. Low intensity burning of grasses enhanced growth of adult trees, but patterns were inconsistent between two different sites. Moderate clipping around individual trees had...

  14. Kentucky Economic Opportunity Zone Program (KEOZ) (Kentucky)

    Broader source: Energy.gov [DOE]

    The Kentucky Economic Opportunity Zone Program (KEOZ) focuses on the development of areas with high unemployment and poverty levels. The program provides an income tax credit of up to 100% of the...

  15. Seismic imaging of the mantle transition zone

    E-Print Network [OSTI]

    Cao, Qin, Ph. D. Massachusetts Institute of Technology

    2012-01-01

    In this thesis, we developed a generalized Radon transform of SS precursors for large-scale, high-resolution seismo-stratigraphy of the upper mantle transition zone. The generalized Radon transform (GRT) is based on the ...

  16. Generating Tensor Representation from Concept Tree in Meaning Based Search 

    E-Print Network [OSTI]

    Panigrahy, Jagannath

    2011-08-08

    to a representation that can be stored and compared efficiently on computers. Meaning of objects can be adequately captured in terms of a hierarchical composition structure called concept tree. This thesis describes the design and development...

  17. ARM - Tree Rings

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Homesum_a_epg0_fpd_mmcf_m.xls" ,"Available from WebQuantity ofkandz-cm11 Comments?govInstrumentsnoaacrnBarrow, AlaskaManus Site-Inactive TWP Related LinksgovDataTime in ARMPastTree Rings

  18. FRACTAL TREES WITH SIDE BRANCHING

    E-Print Network [OSTI]

    1998-01-10

    University of California, Los Angeles, CA 90095 ... plants and trees, root systems, bronchial systems, ... D as the power-law scaling exponent between num-.

  19. Cellular automata on Cayley tree

    E-Print Network [OSTI]

    Hasan Akin

    2012-11-30

    In this paper, we study cellular automata on Cayley tree of order 2 over the field $\\mathbb Z_p$ (the set of prime numbers modulo $p$). We construct the rule matrix corresponding to finite cellular automata on Cayley tree. Further, we analyze the reversibility problem of this cellular automata for some given values of $a,b,c,d\\in \\mathbb{Z}_{p}\\setminus {0}$ and the levels $n$ of Cayley tree. We compute the measure-theoretical entropy of the cellular automata which we define on Cayley tree.

  20. Building Random Trees from Blocks

    E-Print Network [OSTI]

    2012-09-18

    Sep 18, 2012 ... We have a finite collection of unlabeled, rooted, nonplanar building ... We use these as building blocks of an unlabeled, rooted, nonplanar tree.

  1. Street Tree Inventory Report and Recommendations

    E-Print Network [OSTI]

    shade trees other than pines in street tree planting projects. * Locate and remove the estimated 40: * Shenandoah has 999 public trees that occupy 73% of the available planting sites. * The tree population and planting. * Conduct an annual Arbor Day celebration and involve local groups. * Craft a public tree care

  2. Deletion from Okasaki's Red-Black Trees

    E-Print Network [OSTI]

    Might, Matt

    ) -> (Tree A)))) (define (ins-helper elem tree func) (let* ([nod-elem (RBNode-elem tree)] [left-cmp (func elem nod-elem)] [right-cmp (func nod-elem elem)] [left (RBNode-left tree)] [right (RBNode-right tree color (ins elem left func) nod-elem right))] [else (balance-helper (RBNode color left nod-elem (ins elem

  3. Minimum Spanning Tree What is a Minimum Spanning Tree.

    E-Print Network [OSTI]

    Razak, Saquib

    Algorithm(Graph g, Vertex start){ int n = g.getNumberOfVertices(); Entry table[] = new Entry[n]; for(int v = 0; v new Entry(); table[g.getIndex(start)].distance = 0; PriorityQueue queue = new. · What is a Minimum-Cost Spanning Tree. · Applications of Minimum Cost Spanning Trees. · Prim's Algorithm

  4. Opportunity and Enterprise Zones (Oklahoma)

    Broader source: Energy.gov [DOE]

    Opportunity and Enterprise Zones provide enhanced financial incentives for businesses located in such zones aimed at stimulating economic expansion in rural and disadvantaged communities...

  5. Climate change & street trees project

    E-Print Network [OSTI]

    Climate change & street trees project Social Research Report The social and cultural values Group as part of the Climate change and street trees project, funded by the Forestry Commission with changing socio-economics and/or demographics, but little evidence exists relating

  6. TREE TRAILS Annual Benefits Breakdown

    E-Print Network [OSTI]

    side of a building can warm inside spaces. Trees slow down winds around buildings and help decrease heat loss. Find an animated model showing trees around a house at 1. http://treebenefits.com/calculator/ USDA Forest Service Center for Urban Forest Research http://www.fs.fed.us/psw/programs/uesd/uep/ Arbor

  7. Subsea tree cap well choke system

    SciTech Connect (OSTI)

    Bednar, J.M.

    1991-04-30

    This patent describes an apparatus useful in subsea well completions requiring a subsea choke. It comprises: a wellhead connector; a tree flow passage; a tree annulus passage; a tree cap; a choke; and a production line.

  8. ORIGINAL PAPER Drought-tolerance of an invasive alien tree, Acacia mearnsii

    E-Print Network [OSTI]

    ORIGINAL PAPER Drought-tolerance of an invasive alien tree, Acacia mearnsii and two native+Business Media B.V. 2011 Abstract Invasive alien plants (IAPs) have success- fully invaded many riparian zones. Keywords Invasive alien plant Á Water potential Á Carbon isotope Á Restoration Á Streamflow Á Xylem

  9. EnginEEring ZonE "The Engineering Zone

    E-Print Network [OSTI]

    Tobar, Michael

    EnginEEring ZonE "The Engineering Zone will push the limits in collaborative learning and research, and empower people to change the world. "Winthrop Professor John Dell Dean, Faculty of Engineering, Computing and Mathematics #12;2 | nEw CEntury Campaign ­ EnginEEring ZonE #12;nEw CEntury Campaign ­ EnginEEring ZonE | 3

  10. Vadose Zone Transport Field Study: Status Report

    SciTech Connect (OSTI)

    Gee, Glendon W.; Ward, Anderson L.

    2001-11-30

    Studies were initiated at the Hanford Site to evaluate the process controlling the transport of fluids in the vadose zone and to develop a reliable database upon which vadose-zone transport models can be calibrated. These models are needed to evaluate contaminant migration through the vadose zone to underlying groundwaters at Hanford. A study site that had previously been extensively characterized using geophysical monitoring techniques was selected in the 200 E Area. Techniques used previously included neutron probe for water content, spectral gamma logging for radionuclide tracers, and gamma scattering for wet bulk density. Building on the characterization efforts of the past 20 years, the site was instrumented to facilitate the comparison of nine vadose-zone characterization methods: advanced tensiometers, neutron probe, electrical resistance tomography (ERT), high-resolution resistivity (HRR), electromagnetic induction imaging (EMI), cross-borehole radar (XBR), and cross-borehole seismic (XBS). Soil coring was used to obtain soil samples for analyzing ionic and isotopic tracers.

  11. U-PLANT GEOGRAPHIC ZONE CLEANUP PROTOTYPE

    SciTech Connect (OSTI)

    ROMINE, L.D.

    2006-02-01

    The U Plant geographic zone (UPZ) occupies 0.83 square kilometers on the Hanford Site Central Plateau (200 Area). It encompasses the U Plant canyon (221-U Facility), ancillary facilities that supported the canyon, soil waste sites, and underground pipelines. The UPZ cleanup initiative coordinates the cleanup of the major facilities, ancillary facilities, waste sites, and contaminated pipelines (collectively identified as ''cleanup items'') within the geographic zone. The UPZ was selected as a geographic cleanup zone prototype for resolving regulatory, technical, and stakeholder issues and demonstrating cleanup methods for several reasons: most of the area is inactive, sufficient characterization information is available to support decisions, cleanup of the high-risk waste sites will help protect the groundwater, and the zone contains a representative cross-section of the types of cleanup actions that will be required in other geographic zones. The UPZ cleanup demonstrates the first of 22 integrated zone cleanup actions on the Hanford Site Central Plateau to address threats to groundwater, the environment, and human health. The UPZ contains more than 100 individual cleanup items. Cleanup actions in the zone will be undertaken using multiple regulatory processes and decision documents. Cleanup actions will include building demolition, waste site and pipeline excavation, and the construction of multiple, large engineered barriers. In some cases, different cleanup actions may be taken at item locations that are immediately adjacent to each other. The cleanup planning and field activities for each cleanup item must be undertaken in a coordinated and cohesive manner to ensure effective execution of the UPZ cleanup initiative. The UPZ zone cleanup implementation plan (ZCIP) was developed to address the need for a fundamental integration tool for UPZ cleanup. As UPZ cleanup planning and implementation moves forward, the ZCIP is intended to be a living document that will provide a focal point for integrating UPZ actions, including field cleanup activities, waste staging and handling, and post-cleanup monitoring and institutional controls.

  12. A Gas-Fired Heat Pipe Zone Heater 

    E-Print Network [OSTI]

    Winn, C. B.; Burns, P.; Guire, J.

    1984-01-01

    A gas-fired vented zone heater has recently been developed by the Altar Corporation for Colorado State University (CSU) under a Gas Research Institute (GRI) contract. The unit war developed for auxiliary heating applications in passive solar...

  13. Apple Trees for Every Garden

    E-Print Network [OSTI]

    Martin, Orin

    2008-01-01

    Grower Press. Organic Apple Production Manual. Publication #of dwarf and semi-dwarf apple varieties can be seen in theGardener Apple Trees for Every Garden Orin Martin manages

  14. Computing Story Trees Alfred Correira

    E-Print Network [OSTI]

    of macrostructures as proposed by Kintsch and van Dijk. These macrostructures are organized into tree hierarchies proposed by Kintsch and van Dijk (1978). The rules are notationally and con- ceptually derived from

  15. Climate Change and Urban Trees

    E-Print Network [OSTI]

    Brown, Sally

    Climate Change and Urban Trees: effects on disease and insect pests Drew C. Zwart, Ph.D. Bartlett · Other climate related impacts on plant health: Elevated atmospheric CO2 (no real question about

  16. Street Tree Inventory Report and Recommendations

    E-Print Network [OSTI]

    . * Favor shade trees other than live oak in street tree planting projects. * Locate and remove include: * Cedar Park has approximately 10,489 public trees that occupy 65% of the available planting and planting. * Conduct an annual Arbor Day celebration and involve local groups. * Craft a public tree care

  17. Unsaturated Zone I. Overview

    E-Print Network [OSTI]

    Chapter 2 Unsaturated Zone I. Overview If the Yucca Mountain site is deemed suitable for re of the extent of welding, the tuffs within the UZ at Yucca Mountain are grouped informally into hydrogeologic Yucca Mountain is illustrated in Figure 2-1 on page 14. A. Why UZ Was Chosen Initial studies of Yucca

  18. Page 2 of 4 TREE Cookies Etc. Trees & Air-continued

    E-Print Network [OSTI]

    Liskiewicz, Maciej

    #12;Page 2 of 4 TREE Cookies Etc. Trees & Air- continued pollutants include ozone, sulfur dioxide of trees on air pollution. The research on trees and air pollution is rather new and still ongoing, nitrogen dioxide, and carbon monoxide. These are taken out of the air by trees primarily through leaf

  19. PNGFIA FOREST INDUSTRY PLAN 2001 -2036 MORE TREES

    E-Print Network [OSTI]

    papers, tissues and packaging · Timber is a natural, renewable, energy efficient resource. · ForestPNGFIA FOREST INDUSTRY PLAN 2001 - 2036 · MORE TREES · MORE INVESTMENT · MORE JOBS · MORE RURAL DEVELOPMENT PNG Forest Industry Development Plan 2001-2036 1 http://www.pomcci.org.pg/hiri2001/PNGFIA.doc #12

  20. Dynamic Event Tree Analysis Through RAVEN

    SciTech Connect (OSTI)

    A. Alfonsi; C. Rabiti; D. Mandelli; J. Cogliati; R. A. Kinoshita; A. Naviglio

    2013-09-01

    Conventional Event-Tree (ET) based methodologies are extensively used as tools to perform reliability and safety assessment of complex and critical engineering systems. One of the disadvantages of these methods is that timing/sequencing of events and system dynamics is not explicitly accounted for in the analysis. In order to overcome these limitations several techniques, also know as Dynamic Probabilistic Risk Assessment (D-PRA), have been developed. Monte-Carlo (MC) and Dynamic Event Tree (DET) are two of the most widely used D-PRA methodologies to perform safety assessment of Nuclear Power Plants (NPP). In the past two years, the Idaho National Laboratory (INL) has developed its own tool to perform Dynamic PRA: RAVEN (Reactor Analysis and Virtual control ENvironment). RAVEN has been designed in a high modular and pluggable way in order to enable easy integration of different programming languages (i.e., C++, Python) and coupling with other application including the ones based on the MOOSE framework, developed by INL as well. RAVEN performs two main tasks: 1) control logic driver for the new Thermo-Hydraulic code RELAP-7 and 2) post-processing tool. In the first task, RAVEN acts as a deterministic controller in which the set of control logic laws (user defined) monitors the RELAP-7 simulation and controls the activation of specific systems. Moreover, RAVEN also models stochastic events, such as components failures, and performs uncertainty quantification. Such stochastic modeling is employed by using both MC and DET algorithms. In the second task, RAVEN processes the large amount of data generated by RELAP-7 using data-mining based algorithms. This paper focuses on the first task and shows how it is possible to perform the analysis of dynamic stochastic systems using the newly developed RAVEN DET capability. As an example, the Dynamic PRA analysis, using Dynamic Event Tree, of a simplified pressurized water reactor for a Station Black-Out scenario is presented.

  1. Zoning for earth sheltered buildings. A guide for Minnesota communities

    SciTech Connect (OSTI)

    Not Available

    1983-08-01

    Background information on earth sheltered buildings and the zoning issues related to this construction techniques is provided. Ways to develop goals and policies on earth sheltering and integrate them into existing planning documents are outlined. Ways to eliminate prohibitions and barriers to earth-sheltered buildings from zoning language are explained. Subdivision and planned unit development (PUD) regulations designed to facilitate and encourage new developments of earth sheltered homes are considered. Model language on planning, zoning, and subdivisions and planned unit developments and a summary of the various recommendations made throughout the guidebook are included. (MHR)

  2. Radiant zone heated particulate filter

    DOE Patents [OSTI]

    Gonze, Eugene V [Pinckney, MI

    2011-12-27

    A system includes a particulate matter (PM) filter including an upstream end for receiving exhaust gas and a downstream end. A radiant zoned heater includes N zones, where N is an integer greater than one, wherein each of the N zones includes M sub-zones, where M is an integer greater than or equal to one. A control module selectively activates at least a selected one of the N zones to initiate regeneration in downstream portions of the PM filter from the one of the N zones, restricts exhaust gas flow in a portion of the PM filter that corresponds to the selected one of the N zones, and deactivates non-selected ones of the N zones.

  3. Deep Vadose Zone–Applied Field Research Initiative Fiscal Year 2012 Annual Report

    SciTech Connect (OSTI)

    Wellman, Dawn M.; Truex, Michael J.; Johnson, Timothy C.; Bunn, Amoret L.; Golovich, Elizabeth C.

    2013-03-14

    This annual report describes the background of the Deep Vadose Zone-Applied Field Research Initiative, and some of the programmatic approaches and transformational technologies in groundwater and deep vadose zone remediation developed during fiscal year 2012.

  4. Santa Clara County- Zoning Ordinance

    Broader source: Energy.gov [DOE]

    Santa Clara County's Zoning Ordinance includes standards for wind and solar structures for residential, agricultural, and commercial uses.

  5. first make a wise choice, install the tree correctly then avoid common pruning errors.

    E-Print Network [OSTI]

    Hill, Jeffrey E.

    a deep, well developed root system is unlikely to develop (e.g., on exposed Miami limestone which favors hole, and ultimately stability of the tree is improved by digging 4-6 equally spaced trenches radiating

  6. A global typology of cities : classification tree analysis of urban resource consumption

    E-Print Network [OSTI]

    Saldivar-Sali, Artessa Niccola D., 1980-

    2010-01-01

    A study was carried out to develop a typology of urban metabolic (or resource consumption) profiles for 155 globally representative cities. Classification tree analysis was used to develop a model for determining how certain ...

  7. INTERNATIONAL DATA Roaming Data Zones

    E-Print Network [OSTI]

    Burton, Geoffrey R.

    (including Canary Islands, Ceuta and Melilla), Sweden, Switzerland, Vatican City (Italy) Zones 3 ­ 7 All Islands Guernsey, Jersey, Republic of Ireland, Isle of Man Zone 2 EE Business Zone Andorra, Austria, Belgium, Bulgaria, Cyprus (South), Czech Republic, Denmark, Estonia, Finland (including Aland Islands

  8. Vadose zone water fluxmeter

    DOE Patents [OSTI]

    Faybishenko, Boris A.

    2005-10-25

    A Vadose Zone Water Fluxmeter (WFM) or Direct Measurement WFM provides direct measurement of unsaturated water flow in the vadose zone. The fluxmeter is a cylindrical device that fits in a borehole or can be installed near the surface, or in pits, or in pile structures. The fluxmeter is primarily a combination of tensiometers and a porous element or plate in a water cell that is used for water injection or extraction under field conditions. The same water pressure measured outside and inside of the soil sheltered by the lower cylinder of the fluxmeter indicates that the water flux through the lower cylinder is similar to the water flux in the surrounding soil. The fluxmeter provides direct measurement of the water flow rate in the unsaturated soils and then determines the water flux, i.e. the water flow rate per unit area.

  9. Abstract. This paper gives details of an algorithm whose purpose is to partition a set of populated zones into contiguous regions in order to minimise the dierence in

    E-Print Network [OSTI]

    Danner, Andrew

    of the School of Geography, University of Leeds for his contribution to the development work associated the boundaries for a set of contiguous zones. Each zone is characterised by a label (the zone's identi

  10. On Chip Implementation of a Pixel-Parallel Approach for Retinal Vessel Tree Extraction

    E-Print Network [OSTI]

    Dudek, Piotr

    On Chip Implementation of a Pixel-Parallel Approach for Retinal Vessel Tree Extraction C. Alonso Univ. A Coru~na. SPAIN mgpenedo@udc.es Abstract-- Retinal vessel tree extraction from angiography applications. From the image processing point of view, many algorithms and strategies have been developed

  11. Biomass and Bioenergy 31 (2007) 646655 Estimating biomass of individual pine trees using airborne lidar

    E-Print Network [OSTI]

    2007-01-01

    Biomass and Bioenergy 31 (2007) 646­655 Estimating biomass of individual pine trees using airborne biomass and bio-energy feedstocks. The overall goal of this study was to develop a method for assessing aboveground biomass and component biomass for individual trees using airborne lidar data in forest settings

  12. Parking on a Random Tree

    E-Print Network [OSTI]

    H. Dehling; S. R. Fleurke; C. Kuelske

    2007-11-26

    Consider an infinite tree with random degrees, i.i.d. over the sites, with a prescribed probability distribution with generating function G(s). We consider the following variation of Renyi's parking problem, alternatively called blocking RSA: at every vertex of the tree a particle (or car) arrives with rate one. The particle sticks to the vertex whenever the vertex and all of its nearest neighbors are not occupied yet. We provide an explicit expression for the so-called parking constant in terms of the generating function.

  13. Liquid zone seal

    DOE Patents [OSTI]

    Klebanoff, Leonard E. (Dublin, CA)

    2001-01-01

    A seal assembly that provides a means for establishing multiple pressure zones within a system. The seal assembly combines a plate extending from the inner wall of a housing or inner enclosure that intersects with and is immersed in the fluid contained in a well formed in a tray contained within the enclosure. The fluid is a low vapor pressure oil, chemically inert and oxidation resistant. The use of a fluid as the sealing component provides a seal that is self-healing and mechanically robust not subject to normal mechanical wear, breakage, and formation of cracks or pinholes and decouples external mechanical vibrations from internal structural members.

  14. Updating Disjunctive Databases via Model Trees

    E-Print Network [OSTI]

    Gryz, Jarek

    Updating Disjunctive Databases via Model the update problem for disjunctive databases represented by model trees. The concept of a model tree was introduced in [4] to provide a compact representation for disjunctive databases in terms of minimal models

  15. Dealing with Storm-Damaged Trees 

    E-Print Network [OSTI]

    Kirk, Melanie; Taylor, Eric; Foster, C. Darwin

    2005-10-25

    -Damaged Trees Melanie R. Kirk, Extension Program Specialist, Eric L. Taylor, Assistant Professor and Extension Specialist, and C. Darwin Foster, Associate Department Head and Extension Program Leader for Forestry, The Texas A&M University System Downed trees...

  16. Top-Working Pecan Trees

    E-Print Network [OSTI]

    Kyle, E. J.

    1916-01-01

    - ducing satisfactory crops of nuts. 2. When plantings of named varieties have not proven a com- mercial success in certain sections; 3. When a person who understands propagating the pecan desires to plant seed where the trees are to stand and top...

  17. Logistic Model Trees Niels Landwehr

    E-Print Network [OSTI]

    Frank, Eibe

    Logistic Model Trees Niels Landwehr Institute for Computer Science, University of Freiburg for classification problems, using logistic regression instead of linear regression. We use a stagewise fitting process to construct the logistic regression models that can select relevant attributes in the data

  18. Logistic Model Trees + Niels Landwehr

    E-Print Network [OSTI]

    Frank, Eibe

    Logistic Model Trees + Niels Landwehr Institute for Computer Science, University of Freiburg for classification problems, using logistic regression instead of linear regression. We use a stagewise fitting process to construct the logistic regression models that can select relevant attributes in the data

  19. Improved Approximation Algorithms for the Min-max Tree Cover and Bounded Tree Cover Problems

    E-Print Network [OSTI]

    Salavatipour, Mohammad R.

    ). In this paper we consider Min-Max k-Tree Cover Problem (MMkTC) and Bounded Tree Cover Problem (BTC) defined of the largest tree in the cover is minimized. In the Bounded Tree Cover problem (BTC), we are given the weight G

  20. Quantitative Analysis of Genealogy Using Digitised Family Trees

    E-Print Network [OSTI]

    Fire, Micheal; Elovici, Yuval

    2014-01-01

    Driven by the popularity of television shows such as Who Do You Think You Are? many millions of users have uploaded their family tree to web projects such as WikiTree. Analysis of this corpus enables us to investigate genealogy computationally. The study of heritage in the social sciences has led to an increased understanding of ancestry and descent but such efforts are hampered by difficult to access data. Genealogical research is typically a tedious process involving trawling through sources such as birth and death certificates, wills, letters and land deeds. Decades of research have developed and examined hypotheses on population sex ratios, marriage trends, fertility, lifespan, and the frequency of twins and triplets. These can now be tested on vast datasets containing many billions of entries using machine learning tools. Here we survey the use of genealogy data mining using family trees dating back centuries and featuring profiles on nearly 7 million individuals based in over 160 countries. These data a...

  1. Street Tree Inventory Report and Recommendations

    E-Print Network [OSTI]

    street tree planting projects. * Locate and remove the estimated 102 trees that pose risk to persons% of the available planting sites. * The population is dominated by just three species: live oak (45%), crapemyrtle an annual work plan for tree maintenance and planting. * Conduct an annual Arbor Day celebration and involve

  2. Wildlife / dangerous Tree assessor's Course Workbook

    E-Print Network [OSTI]

    Northern British Columbia, University of

    Wildlife / dangerous Tree assessor's Course Workbook Wildland fire safeTy Course Module Revised from the "Wildlife/Danger Tree Assessor's Course ­ Forest Harvesting and Silviculture." Jeff Mc contributions to this current course workbook. #12;Danger Tree Assessor's Course July 2010 ii Library

  3. "Dangerous" urban trees & community health & safety

    E-Print Network [OSTI]

    "Dangerous" urban trees & community health & safety Norman Dandy Forest Research #12;Urban trees application 4. When tree is deemed `dead, dying or dangerous' ­ no consent is needed under either forestry. Full assessment of `dead, dying or dangerous' requires `expert' knowledge Liability + lack

  4. Revised May 2008 Wildlife/Danger Tree

    E-Print Network [OSTI]

    Northern British Columbia, University of

    Revised May 2008 Wildlife/Danger Tree Assessor's Course Workbook Forest Harvesting and Silviculture: Ministry of Forests and Range Ministry of Environment #12;#12;Wildlife/Danger Tree Assessor's Course Workbook: Forest Harvesting and Silviculture Module May 2008 iii DANGEROUS TREE ASSESSMENT IN BRITISH

  5. Let's makeleaf people! White Ash tree

    E-Print Network [OSTI]

    Ashline, George

    Let's makeleaf people! White Ash tree Seedling Activity Tree location Let's start by exploring the leaf of the White Ash tree! Can you describe the leaf? Does it have smooth-edges or rough-edges? What of anything? Try this... Let's create leaf people from the shape of the White Ash leaves. The shape

  6. USING DNA SEQUENCE DATA TO CHARACTERISE FUNGAL PATHOGENS OF TREES

    E-Print Network [OSTI]

    fungal leaf pathogens of trees, and more specifically Eucalyptus trees, are a group of fungi that belong to the fungal genus Mycosphaerella. Many Mycosphaerella species cause a leaf disease of Eucalyptus trees defoliation of Eucalyptus trees and it can ultimately retard tree growth. Eucalyptus trees are widely grown

  7. Site-Scale Saturated Zone Flow Model

    SciTech Connect (OSTI)

    G. Zyvoloski

    2003-12-17

    The purpose of this model report is to document the components of the site-scale saturated-zone flow model at Yucca Mountain, Nevada, in accordance with administrative procedure (AP)-SIII.lOQ, ''Models''. This report provides validation and confidence in the flow model that was developed for site recommendation (SR) and will be used to provide flow fields in support of the Total Systems Performance Assessment (TSPA) for the License Application. The output from this report provides the flow model used in the ''Site-Scale Saturated Zone Transport'', MDL-NBS-HS-000010 Rev 01 (BSC 2003 [162419]). The Site-Scale Saturated Zone Transport model then provides output to the SZ Transport Abstraction Model (BSC 2003 [164870]). In particular, the output from the SZ site-scale flow model is used to simulate the groundwater flow pathways and radionuclide transport to the accessible environment for use in the TSPA calculations. Since the development and calibration of the saturated-zone flow model, more data have been gathered for use in model validation and confidence building, including new water-level data from Nye County wells, single- and multiple-well hydraulic testing data, and new hydrochemistry data. In addition, a new hydrogeologic framework model (HFM), which incorporates Nye County wells lithology, also provides geologic data for corroboration and confidence in the flow model. The intended use of this work is to provide a flow model that generates flow fields to simulate radionuclide transport in saturated porous rock and alluvium under natural or forced gradient flow conditions. The flow model simulations are completed using the three-dimensional (3-D), finite-element, flow, heat, and transport computer code, FEHM Version (V) 2.20 (software tracking number (STN): 10086-2.20-00; LANL 2003 [161725]). Concurrently, process-level transport model and methodology for calculating radionuclide transport in the saturated zone at Yucca Mountain using FEHM V 2.20 are being carried out in the model report, ''Site-Scale Saturated Zone Transport'', MDL-NBS-HS-000010 Rev 01 (BSC 2003 [162419]). The velocity fields are calculated by the flow model, described herein, independent of the transport processes, and are then used as inputs to the transport model. Justification for this abstraction is presented in the model report, ''Saturated Zone Flow and Transport Model Abstraction'', MDL-NBS-HS-000021 (BSC 2003 [164870]).

  8. Altered Development of Visual Subcortical Projections Following

    E-Print Network [OSTI]

    Finlay, Barbara L.

    Altered Development of Visual Subcortical Projections Following Neonatal Thalamic Ablation increases connectivity by stabilizing an exuberant develop- mental projection, we examined the normal projection zones and show progressive growth within these zones. At no time during development do projections

  9. Tree pattern inference and matching for wrapper induction on the World Wide Web

    E-Print Network [OSTI]

    Hogue, Andrew William, 1978-

    2004-01-01

    We develop a method for learning patterns from a set of positive examples to retrieve semantic content from tree-structured data. Specifically, we focus on HTML documents on the World Wide Web, which contain a wealth of ...

  10. FOOD AND AGRICULTURE ORGANIZATION OF THE UNITED NATIONS Community-based tree and forest

    E-Print Network [OSTI]

    #12;FOOD AND AGRICULTURE ORGANIZATION OF THE UNITED NATIONS ROME, 2011 Community-based tree of the Food and Agriculture Organization of the United Nations (FAO) concerning the legal or development

  11. Phoenix-Based Clone Detection Using Suffix Trees Robert Tairas and Jeff Gray

    E-Print Network [OSTI]

    Gray, Jeffrey G.

    Phoenix-Based Clone Detection Using Suffix Trees Robert Tairas and Jeff Gray Department of Computer into an automatic clone detection technique developed as a plug-in for Microsoft's new Phoenix framework. Our

  12. Tree-Loop Duality Relation beyond simple poles

    E-Print Network [OSTI]

    Isabella Bierenbaum; Sebastian Buchta; Petros Draggiotis; Ioannis Malamos; German Rodrigo

    2012-11-21

    We develop the Tree-Loop Duality Relation for two- and three-loop integrals with multiple identical propagators (multiple poles). This is the extension of the Duality Relation for single poles and multiloop integrals derived in previous publications. We prove a generalization of the formula for single poles to multiple poles and we develop a strategy for dealing with higher-order pole integrals by reducing them to single pole integrals using Integration By Parts.

  13. Fault tree synthesis for software design analysis of PLC based safety-critical systems

    SciTech Connect (OSTI)

    Koo, S. R.; Cho, C. H. [Corporate R and D Inst., Doosan Heavy Industries and Construction Co., Ltd., 39-3, Seongbok-Dong, Yongin-Si, Gyeonggi-Do 449-795 (Korea, Republic of); Seong, P. H. [Dept. of Nuclear and Quantum Engineering, Korea Advanced Inst. of Science and Technology, 373-3 Guseong-dong, Yuseong-gu, Daejeon, 305-701 (Korea, Republic of)

    2006-07-01

    As a software verification and validation should be performed for the development of PLC based safety-critical systems, a software safety analysis is also considered in line with entire software life cycle. In this paper, we propose a technique of software safety analysis in the design phase. Among various software hazard analysis techniques, fault tree analysis is most widely used for the safety analysis of nuclear power plant systems. Fault tree analysis also has the most intuitive notation and makes both qualitative and quantitative analyses possible. To analyze the design phase more effectively, we propose a technique of fault tree synthesis, along with a universal fault tree template for the architecture modules of nuclear software. Consequently, we can analyze the safety of software on the basis of fault tree synthesis. (authors)

  14. Vadose Zone Transport Field Study: Summary Report

    SciTech Connect (OSTI)

    Ward, Andy L.; Conrad, Mark E.; Daily, William D.; Fink, James B.; Freedman, Vicky L.; Gee, Glendon W.; Hoversten, Gary M.; Keller, Jason M.; Majer, Ernest L.; Murray, Christopher J.; White, Mark D.; Yabusaki, Steven B.; Zhang, Z. F.

    2006-07-31

    From FY 2000 through FY 2003, a series of vadose zone transport field experiments were conducted as part of the U.S. Department of Energy’s Groundwater/Vadose Zone Integration Project Science and Technology Project, now known as the Remediation and Closure Science Project, and managed by the Pacific Northwest National Laboratory (PNNL). The series of experiments included two major field campaigns, one at a 299-E24-11 injection test site near PUREX and a second at a clastic dike site off Army Loop Road. The goals of these experiments were to improve our understanding of vadose zone transport processes; to develop data sets to validate and calibrate vadose zone flow and transport models; and to identify advanced monitoring techniques useful for evaluating flow-and-transport mechanisms and delineating contaminant plumes in the vadose zone at the Hanford Site. This report summarizes the key findings from the field studies and demonstrates how data collected from these studies are being used to improve conceptual models and develop numerical models of flow and transport in Hanford’s vadose zone. Results of these tests have led to a better understanding of the vadose zone. Fine-scale geologic heterogeneities, including grain fabric and lamination, were observed to have a strong effect on the large-scale behavior of contaminant plumes, primarily through increased lateral spreading resulting from anisotropy. Conceptual models have been updated to include lateral spreading and numerical models of unsaturated flow and transport have revised accordingly. A new robust model based on the concept of a connectivity tensor was developed to describe saturation-dependent anisotropy in strongly heterogeneous soils and has been incorporated into PNNL’s Subsurface Transport Over Multiple Phases (STOMP) simulator. Application to field-scale transport problems have led to a better understanding plume behavior at a number of sites where lateral spreading may have dominated waste migration (e.g. BC Cribs and Trenches). The improved models have been also coupled with inverse models and newly-developed parameter scaling techniques to allow estimation of field-scale and effective transport parameters for the vadose zone. The development and utility of pedotransfer functions for describing fine-scale hydrogeochemical heterogeneity and for incorporating this heterogeneity into reactive transport models was explored. An approach based on grain-size statistics appears feasible and has been used to describe heterogeneity in hydraulic properties and sorption properties, such as the cation exchange capacity and the specific surface area of Hanford sediments. This work has also led to the development of inverse modeling capabilities for time-dependent, subsurface, reactive transport with transient flow fields using an automated optimization algorithm. In addition, a number of geophysical techniques investigated for their potential to provide detailed information on the subtle changes in lithology and bedding surfaces; plume delineation, leak detection. High-resolution resistivity is now being used for detecting saline plumes at several waste sites at Hanford, including tank farms. Results from the field studies and associated analysis have appeared in more than 46 publications generated over the past 4 years. These publications include test plans and status reports, in addition to numerous technical notes and peer reviewed papers.

  15. HSQ double patterning process for 12 nm resolution x-ray zone plates

    E-Print Network [OSTI]

    Chao, Weilun

    2009-01-01

    which is used here for electroplating the metal zones. Toresult in a single electroplating step to form allset II development and electroplating. Gold grains similar

  16. Radiation densitometry in tree-ring analysis: a review and procedure manual

    SciTech Connect (OSTI)

    Parker, M.L.; Taylor, F.G.; Doyle, T.W.; Foster, B.E.; Cooper, C.; West, D.C.

    1985-01-01

    An x-ray densitometry of wood facility is being established by the Environmental Sciences Division, Oak Ridge Natioanl Laboratory (ORNL). The objective is to apply tree-ring data to determine whether or not there is a fertilizer effect on tree growth from increased atmospheric carbon dioxide since the beginning of the industrial era. Intra-ring width and density data, including ring-mass will be detemined from tree-ring samples collected from sites located throughout the United States and Canada. This report is designed as a guide to assist ORNL scientists in building the x-ray densitometry system. The history and development of x-ray densitometry in tree-ring research is examined and x-ray densitometry is compared with other techniques. Relative wood and tree characteristics are described as are environmental and genetic factors affecting tree growth responses. Methods in x-ray densitometry are examined in detail and the techniques used at four operating laboratories are described. Some ways that dendrochronology has been applied in dating, in wood quality, and environmental studies are presented, and a number of tree-ring studies in Canada are described. An annotated bibliography of radiation densitometry in tree-ring analysis and related subjects is included.

  17. Optimized Uncertainty Quantification Algorithm Within a Dynamic Event Tree Framework

    SciTech Connect (OSTI)

    J. W. Nielsen; Akira Tokuhiro; Robert Hiromoto

    2014-06-01

    Methods for developing Phenomenological Identification and Ranking Tables (PIRT) for nuclear power plants have been a useful tool in providing insight into modelling aspects that are important to safety. These methods have involved expert knowledge with regards to reactor plant transients and thermal-hydraulic codes to identify are of highest importance. Quantified PIRT provides for rigorous method for quantifying the phenomena that can have the greatest impact. The transients that are evaluated and the timing of those events are typically developed in collaboration with the Probabilistic Risk Analysis. Though quite effective in evaluating risk, traditional PRA methods lack the capability to evaluate complex dynamic systems where end states may vary as a function of transition time from physical state to physical state . Dynamic PRA (DPRA) methods provide a more rigorous analysis of complex dynamic systems. A limitation of DPRA is its potential for state or combinatorial explosion that grows as a function of the number of components; as well as, the sampling of transition times from state-to-state of the entire system. This paper presents a method for performing QPIRT within a dynamic event tree framework such that timing events which result in the highest probabilities of failure are captured and a QPIRT is performed simultaneously while performing a discrete dynamic event tree evaluation. The resulting simulation results in a formal QPIRT for each end state. The use of dynamic event trees results in state explosion as the number of possible component states increases. This paper utilizes a branch and bound algorithm to optimize the solution of the dynamic event trees. The paper summarizes the methods used to implement the branch-and-bound algorithm in solving the discrete dynamic event trees.

  18. Windthrow Mechanics: Tree Winching and Wind Tunnel

    E-Print Network [OSTI]

    Mitchell, Stephen

    (Maple Ridge) July: Tree Winching in Prince George August: Second Wind Tunnel Session Plans for the year in Prince George Summary Averaged between 2 and 3 trees per day 18 Sx pulled (range 16-40 cm DBH) 13 Pl pulled (range 20-40 cm DBH) Grand total of 66 trees pulled in MKRF and Prince George #12;10/21/2003 8 #12

  19. Method of altering lignin in trees

    DOE Patents [OSTI]

    MacKay, John (Raleigh, NC); O'Malley, David (Cary, NC); Whetten, Ross (Raleigh, NC); Sederoff, Ronald (Raleigh, NC)

    1998-01-01

    Methods of providing and breeding trees having more easily extractable lignin due to the presence of a cinnamyl alcohol dehydrogenase (Cad) null gene are presented.

  20. Method of altering lignin in trees

    DOE Patents [OSTI]

    MacKay, J.; O`Malley, D.; Whetten, R.; Sederoff, R.

    1998-10-20

    Methods of providing and breeding trees having more easily extractable lignin due to the presence of a cinnamyl alcohol dehydrogenase (Cad) null gene are presented. 16 figs.

  1. Horizontal subsea trees allow frequent deepwater workovers

    SciTech Connect (OSTI)

    Krenek, M.; Hall, G.; Sheng, W.Z.

    1995-05-01

    Horizontal subsea wellheads have found application in the Liuhua oil field in the South China Sea. These trees allow installation and retrieval of downhole equipment through the tree without having to disturb the tree or its external connections to flow lines, service lines, or control umbilicals. This access to the well is important because the Liuhua wells will be produced with electrical submersible pumps (ESPs), which may have relatively short intervals between maintenance, leading to frequent well work. The wells will be completed subsea in about 300 m of water. The large bore, horizontal trees allow all downhole equipment to be pulled without removal of the subsea tree. This wellhead configuration also provides well control and vertical access to downhole equipment through a conventional marine drilling riser and subsea blowout preventer (BOP), eliminating the need for costly specialized completion risers. Another benefit of the horizontal tree is its extremely compact profile with a low number of valves for well control. Valve size and spacing are decoupled from the size and bore spacing of the tubing hanger. The tree`s low profile geometry reduces costs of manufacturing the tree and framework and optimize load transfer to the wellhead.

  2. Understory plant communities and the functional distinction between savanna trees, forest trees, and pines.

    SciTech Connect (OSTI)

    Veldman, Joseph, W., Mattingly, Brett, W., Brudvig, Lars, A.

    2013-04-01

    Abstract. Although savanna trees and forest trees are thought to represent distinct functional groups with different effects on ecosystem processes, few empirical studies have examined these effects. In particular, it remains unclear if savanna and forest trees differ in their ability to coexist with understory plants, which comprise the majority of plant diversity in most savannas. We used structural equation modeling (SEM) and data from 157 sites across three locations in the southeastern United States to understand the effects of broadleaf savanna trees, broadleaf forest trees, and pine trees on savanna understory plant communities. After accounting for underlying gradients in fire frequency and soil moisture, abundances (i.e., basal area and stem density) of forest trees and pines, but not savanna trees, were negatively correlated with the cover and density (i.e., local-scale species richness) of C4 graminoid species, a defining savanna understory functional group that is linked to ecosystem flammability. In analyses of the full understory community, abundances of trees from all functional groups were negatively correlated with species density and cover. For both the C4 and full communities, fire frequency promoted understory plants directly, and indirectly by limiting forest tree abundance. There was little indirect influence of fire on the understory mediated through savanna trees and pines, which are more fire tolerant than forest trees. We conclude that tree functional identity is an important factor that influences overstory tree relationships with savanna understory plant communities. In particular, distinct relationships between trees and C4 graminoids have implications for grass-tree coexistence and vegetation-fire feedbacks that maintain savanna environments and their associated understory plant diversity.

  3. Fast: a Transducer-Based Language for Tree Manipulation

    E-Print Network [OSTI]

    Livshits, Ben

    Fast: a Transducer-Based Language for Tree Manipulation Abstract We introduce a tree manipulation language, Fast, that over- comes technical limitations of previous tree manipulation languages trees over finite alphabets. At the heart of Fast is a combination of SMT solvers and tree transducers

  4. A Characterization of the Set of Species Trees that Produce Anomalous Ranked Gene Trees

    E-Print Network [OSTI]

    Rosenberg, Noah

    A Characterization of the Set of Species Trees that Produce Anomalous Ranked Gene Trees James H characterize the set of unranked species tree topologies that give rise to ARGTs, showing that this set generalizes beyond the specific five-taxon case. Here, we perform a complete characterization of the set

  5. Wind Sheltering of a Lake by a Tree Canopy or Bluff Topography Corey D. Markfort1,2

    E-Print Network [OSTI]

    Porté-Agel, Fernando

    1 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Wind Sheltering of a Lake by a Tree Canopy or Bluff, Minnesota, USA. 3 National Center for Earth-Surface Dynamics (NCED), Minneapolis, Minnesota, USA Abstract A model is developed to quantify the wind sheltering of a lake by a tree canopy or a bluff

  6. Street Tree Inventory Report and Recommendations

    E-Print Network [OSTI]

    . * Favor shade trees other than live oak in street tree planting projects. * Locate and remove and planting. * Conduct an annual Arbor Day celebration and involve local groups. Credits The Texas Sample with community staff or volunteers. Questions or comments should be directed to: Report prepared by: Texas Forest

  7. DUAL RAMSEY THEOREM FOR TREES SLAWOMIR SOLECKI

    E-Print Network [OSTI]

    Solecki, Slawomir

    DUAL RAMSEY THEOREM FOR TREES SLAWOMIR SOLECKI Abstract. The classical Ramsey theorem was generalized in two major ways: to the dual Ramsey theorem, by Graham and Rothschild, and to Ramsey theorems Ramsey theorem for trees. Galois connections between partial orders are used in formulating this theorem

  8. TABLE OF CONTENTS Tree Maintenance and Removal

    E-Print Network [OSTI]

    US Army Corps of Engineers

    protection should be worn for all tree maintenance and removal operations. b. Training shall be providedEM 385-1-1 30 Nov 14 31-i Section 31 TABLE OF CONTENTS Tree Maintenance and Removal Section: Page ....................................................................... 31-10 31.E Other Operations and Equipment

  9. Bulk Operations for Space-Partitioning Trees

    E-Print Network [OSTI]

    Ghanem, Thanaa M.; Shah, Rahul; Mokbel, Mohamed F.; Aref, Walid; Vitter, Jeffrey Scott

    2004-01-01

    The emergence of extensible index structures, e.g., GiST (Generalized Search Tree) [25] and SP-GiST (Space-Partitioning Generalized Search Tree) [3], calls for a set of extensible algorithms to support different operations (e.g., insertion, deletion...

  10. "These trees were presented to ONRC by

    E-Print Network [OSTI]

    Brown, Sally

    are a lot like people. They can both stand tall, weather anything that comes their way, or can be uprooted and live only a short while, with nothing to offer as they slowly disappear. While I never got a chance Oak tree seedlings to the ONRC. He started these trees at his home here in Forks from acorns that he

  11. Neuropeptide alterations in the tree shrew hypothalamus during volatile anesthesia

    E-Print Network [OSTI]

    Neuropeptide alterations in the tree shrew hypothalamus during volatile anesthesia Laetitia spectral analysis, we first identified 85 peptides from the tree shrew hypothalamus. Differential analysis Tree shrew Neuropeptide Hypothalamus Anesthesia 1. Introduction General anesthesia is characterized

  12. Kirchhoff integrals and Fresnel zones Ludek Klimes

    E-Print Network [OSTI]

    Cerveny, Vlastislav

    Kirchhoff integrals and Fresnel zones LudŸek KlimeŸs Department of Geophysics, Charles University of discrete values necessary for the numerical quadra­ ture. The Fresnel zones are then derived as the minimum of Fresnel zones is purely local, independent of the reference travel times. The definition of Fresnel zones

  13. Scientific American: "Tall Trees Sucked Dry by Global Warming...

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

    Scientific American: "Tall Trees Sucked Dry by Global Warming" June 7, 2015 Scientific American: "Tall Trees Sucked Dry by Global Warming" A well-known scientific principle...

  14. Rehabilitation of HLB infected trees when they reach

    E-Print Network [OSTI]

    Ma, Lena

    Rehabilitation of HLB infected trees when they reach economically unsustainable production Bob, 2012 #12;Objective 1. Salvage and Rehabilitate HLB Trees to Avoid Replanting 2. Rebalance the Shoot

  15. Scientific American: "Tall Trees Sucked Dry by Global Warming...

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

    Dry by Global Warming" Scientific American: "Tall Trees Sucked Dry by Global Warming" Climate change will challenge tall trees like California's redwoods. June 7, 2015...

  16. Tree Death Study's Climate Change Connections

    ScienceCinema (OSTI)

    McDowell, Nate

    2014-06-25

    What are the exact physiological mechanisms that lead to tree death during prolonged drought and rising temperatures? These are the questions that scientists are trying to answer at a Los Alamos National Laboratory research project called SUMO. SUMO stands for SUrvival/MOrtality study; it's a plot of land on the Lab's southern border that features 18 climate controlled tree study chambers and a large drought structure that limits rain and snowfall. Scientists are taking a wide variety of measurements over a long period of time to determine what happens during drought and warming, and what the connections and feedback loops might be between tree death and climate change.

  17. Tree Death Study's Climate Change Connections

    SciTech Connect (OSTI)

    McDowell, Nate

    2012-09-10

    What are the exact physiological mechanisms that lead to tree death during prolonged drought and rising temperatures? These are the questions that scientists are trying to answer at a Los Alamos National Laboratory research project called SUMO. SUMO stands for SUrvival/MOrtality study; it's a plot of land on the Lab's southern border that features 18 climate controlled tree study chambers and a large drought structure that limits rain and snowfall. Scientists are taking a wide variety of measurements over a long period of time to determine what happens during drought and warming, and what the connections and feedback loops might be between tree death and climate change.

  18. Overlap zoned electrically heated particulate filter

    DOE Patents [OSTI]

    Gonze, Eugene V [Pinckney, MI; Chapman, Mark R [Brighton, MI

    2011-07-19

    A system includes a particulate matter (PM) filter that includes an upstream end for receiving exhaust gas and a downstream end. A zoned heater is arranged spaced from the upstream end and comprises N zones, where N is an integer greater than one, wherein each of the N zones comprises M sub-zones, where M is an integer greater than or equal to one, and wherein the N zones and the M sub-zones are arranged in P layers, where P is an integer greater than one. A control module selectively activates at least a selected one of the N zones to initiate regeneration in downstream portions of the PM filter from the one of the N zones and deactivates non-selected ones of the N zones.

  19. Vadose Zone Transport Field Study: FY 2002 Status Report

    SciTech Connect (OSTI)

    Ward, Anderson L.; Gee, Glendon W.; Zhang, Z. F.; Keller, Jason M.

    2003-01-02

    This work reported here is part of the U. S. Department of Energy’s Science and Technology Initiative to develop improved conceptual models of flow and transport in the vadose zone, particularly for the Hanford Site, Washington. The National Academy of Sciences has identified significant knowledge gaps in conceptual model development as one reason for discovery of subsurface contamination in unexpected places. Inadequate conceptualizations limits, not only the understanding of long-term fate and transport, but also the selection and design of remediation technologies. Current conceptual models are limited partly because they do not account for the random heterogeneity that occurs under the extremes of very nonlinear flow behavior typical of the Hanford vadose zone. A major improvement in conceptual modeling of the Hanford vadose zone includes a better understanding and description of soil anisotropy, a property that appears to control much of the subsurface flow and transport in layered sediments at the Hanford Site.

  20. Pareto-optimal phylogenetic tree reconciliation

    E-Print Network [OSTI]

    Libeskind-Hadas, Ran

    Motivation: Phylogenetic tree reconciliation is a widely used method for reconstructing the evolutionary histories of gene families and species, hosts and parasites and other dependent pairs of entities. Reconciliation is ...

  1. Poplar trees could be genetically modified to

    E-Print Network [OSTI]

    for bioethanol production Flickr/Robert Crum OPINIONS Are new biofuels the ethical answer? Joyce Tait and Banji-modified poplar tree that is a more accessible source of cellulose for bioethanol production. And the emerging

  2. Optimal static pricing for a tree network

    E-Print Network [OSTI]

    Caro, Felipe

    We study the static pricing problem for a network service provider in a loss system with a tree structure. In the network, multiple classes share a common inbound link and then have dedicated outbound links. The motivation ...

  3. A Name by Any Other Tree

    E-Print Network [OSTI]

    Thanukos, Anastasia

    2009-01-01

    transition to modern birds. Evo Edu Outreach 2009;2. doi:fossils and interpretations. Evo Edu Outreach 2009;2. doi:Understanding evolutionary trees. Evo Edu Outreach 2009;1:

  4. Can These Trees Be Saved? Eric L. Taylor, Extension Specialist,

    E-Print Network [OSTI]

    ER-039 5-06 Can These Trees Be Saved? Eric L. Taylor, Extension Specialist, and C. Darwin Foster to upward growth or a desirable appearance, saving the tree may have to be a judgment call. The tree may to make saving it pos- sible. Too young to die: Young trees can sustain quite a bit of damage and still

  5. Classification and regression trees Wei-Yin Loh

    E-Print Network [OSTI]

    Marshall, Hans-Peter

    . Algorithm 1 gives the pseudocode for the basic steps. Algorithm 1 Pseudocode for tree construction

  6. Parallel object-oriented decision tree system

    DOE Patents [OSTI]

    Kamath; Chandrika (Dublin, CA), Cantu-Paz; Erick (Oakland, CA)

    2006-02-28

    A data mining decision tree system that uncovers patterns, associations, anomalies, and other statistically significant structures in data by reading and displaying data files, extracting relevant features for each of the objects, and using a method of recognizing patterns among the objects based upon object features through a decision tree that reads the data, sorts the data if necessary, determines the best manner to split the data into subsets according to some criterion, and splits the data.

  7. Transfer Factors for Contaminant Uptake by Fruit and Nut Trees

    SciTech Connect (OSTI)

    Napier, Bruce A.; Fellows, Robert J.; Minc, Leah D.

    2013-11-20

    Transfer of radionuclides from soils into plants is one of the key mechanisms for long-term contamination of the human food chain. Nearly all computer models that address soil-to-plant uptake of radionuclides use empirically-derived transfer factors to address this process. Essentially all available soil-to-plant transfer factors are based on measurements in annual crops. Because very few measurements are available for tree fruits, samples were taken of alfalfa and oats and the stems, leaves, and fruits and nuts of almond, apple, apricot, carob, fig, grape, nectarine, pecan, pistachio (natural and grafted), and pomegranate, along with local surface soil. The samples were dried, ground, weighed, and analyzed for trace constituents through a combination of induction-coupled plasma mass spectrometry and instrumental neutron activation analysis for a wide range of naturally-occurring elements. Analysis results are presented and converted to soil-to-plant transfer factors. These are compared to commonly used and internationally recommended values. Those determined for annual crops are very similar to commonly-used values; those determined for tree fruits show interesting differences. Most macro- and micronutrients are slightly reduced in fruits; non-essential elements are reduced further. These findings may be used in existing computer models and may allow development of tree-fruit-specific transfer models.

  8. Particle Swarm Optimization for the Steiner Tree in Graph and Delay-Constrained Multicast Routing Problems

    E-Print Network [OSTI]

    Landa-Silva, Dario

    investigation on applying a Particle Swarm Optimization (PSO) algorithm to both the Steiner tree problem, we develop a novel PSO algorithm based on the jumping PSO (JPSO) algorithm recently developed by Moreno-Perez et al. (2007), and also propose two novel local search heuristics within our PSO framework

  9. SAMPLING-BASED ROADMAP OF TREES FOR PARALLEL MOTION PLANNING 1 Sampling-Based Roadmap of Trees for Parallel

    E-Print Network [OSTI]

    Chen, Brian Y.

    SAMPLING-BASED ROADMAP OF TREES FOR PARALLEL MOTION PLANNING 1 Sampling-Based Roadmap of Trees for multiple query motion planning (Probabilistic Roadmap Method - PRM) with sampling-based tree methods algorithms, roadmap, tree, PRM, EST, RRT, SRT. I. INTRODUCTION HIGH-DIMENSIONAL problems such as those

  10. Proceedings of Coastal Zone 07 Portland, Oregon

    E-Print Network [OSTI]

    Wright, Dawn Jeannine

    MODEL FOR PUGET SOUND: A CLASSROOM EXPERIENCE Timothy Nyerges, Scott Dudgeon, Tyanne Faulkes information systems, coastal zone management INTRODUCTION Coastal zone management (CZM) requires robust about how to management coastal resources (Wright and Scholz 2005). CZM applications of geographic

  11. Analytical extraction of the recombination zone location in organic

    E-Print Network [OSTI]

    Tessler, Nir

    Analytical extraction of the recombination zone location in organic light-emitting diodes from emission patterns produced by organic LEDs (OLEDs). The method is based on derivation of the closed-form expressions for OLED-radiated power developed in previous work and formulation of the analytical relations

  12. Demonstration of 12 nm resolution Fresnel zone plate lens based soft x-ray microscopy

    SciTech Connect (OSTI)

    Chao, W.; Kim, J.; Rekawa, S.; Fischer, P.; Anderson, E. H.

    2009-06-05

    To extend soft x-ray microscopy to a resolution of order 10 nm or better, we developed a new nanofabrication process for Fresnel zone plate lenses. The new process, based on the double patterning technique, has enabled us to fabricate high quality gold zone plates with 12 nm outer zones. Testing of the zone plate with the full-field transmission x-ray microscope, XM-1, in Berkeley, showed that the lens clearly resolved 12 nm lines and spaces. This result represents a significant step towards 10 nm resolution and beyond.

  13. STRATEGIES FOR IMMOBILIZATION OF DEEP VADOSE ZONE CONTAMINANTS AT THE HANFORD CENTRAL PLATEAU

    SciTech Connect (OSTI)

    CHRONISTER GB

    2011-01-14

    Deep vadose zone contamination poses some of the most difficult remediation challenges for the protection of groundwater at the Hanford Site in Richland, Washington. This paper describes processes and technologies being developed to use in the ongoing effort to remediate the contamination in the deep vadose zone at the Hanford Site.

  14. A Radionuclide Transport Model for the Unsaturated Zone at Yucca Mountain Bruce A. Robinson

    E-Print Network [OSTI]

    Lu, Zhiming

    A Radionuclide Transport Model for the Unsaturated Zone at Yucca Mountain Bruce A. Robinson Zhiming model calculations for radionuclide transport in the unsaturated zone at Yucca Mountain. The model developed by the Yucca Mountain Project based on calibrations to site data. The particle-tracking technique

  15. Deep Vadose Zone Applied Field Research Initiative

    E-Print Network [OSTI]

    Deep Vadose Zone­ Applied Field Research Initiative Fiscal Year 2012 Annual Report #12;Prepared Tasks 25 References 25 Appendix: FY2012 Products for the Deep Vadose Zone­ Applied Field Research Initiative Contents #12;Message from the Deep Vadose Zone- Applied Field Research Initiative Project Manager

  16. Rift Zone | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page onRAPID/Geothermal/Exploration/ColoradoRemsenburg-Speonk, New York:Virginia: EnergyRidgeview BiomassRietbrock,Rift Zone

  17. NaturAnalogs for the Unsaturated Zone

    SciTech Connect (OSTI)

    A. Simmons; A. Unger; M. Murrell

    2000-03-08

    The purpose of this Analysis/Model Report (AMR) is to document natural and anthropogenic (human-induced) analog sites and processes that are applicable to flow and transport processes expected to occur at the potential Yucca Mountain repository in order to build increased confidence in modeling processes of Unsaturated Zone (UZ) flow and transport. This AMR was prepared in accordance with ''AMR Development Plan for U0135, Natural Analogs for the UZ'' (CRWMS 1999a). Knowledge from analog sites and processes is used as corroborating information to test and build confidence in flow and transport models of Yucca Mountain, Nevada. This AMR supports the Unsaturated Zone (UZ) Flow and Transport Process Model Report (PMR) and the Yucca Mountain Site Description. The objectives of this AMR are to test and build confidence in the representation of UZ processes in numerical models utilized in the UZ Flow and Transport Model. This is accomplished by: (1) applying data from Boxy Canyon, Idaho in simulations of UZ flow using the same methodologies incorporated in the Yucca Mountain UZ Flow and Transport Model to assess the fracture-matrix interaction conceptual model; (2) Providing a preliminary basis for analysis of radionuclide transport at Pena Blanca, Mexico as an analog of radionuclide transport at Yucca Mountain; and (3) Synthesizing existing information from natural analog studies to provide corroborating evidence for representation of ambient and thermally coupled UZ flow and transport processes in the UZ Model.

  18. Isolated Remnant Trees MULTI-SCALE FACTORS AFFECTING BIRD USE OF ISOLATED REMNANT

    E-Print Network [OSTI]

    Rosenberg, Daniel K.

    ;Isolated Remnant Trees 2 Abstract: With recent emphasis on sustainable agriculture, conservation of native to influence bird use of individual trees: (i) tree architecture; (ii) tree isolation; (iii) tree cover context was unimportant in predicting frequency of use of individual trees. Tree architecture

  19. Global tree network for computing structures enabling global processing operations

    DOE Patents [OSTI]

    Blumrich; Matthias A. (Ridgefield, CT); Chen, Dong (Croton-On-Hudson, NY); Coteus, Paul W. (Yorktown Heights, NY); Gara, Alan G. (Mount Kisco, NY); Giampapa, Mark E. (Irvington, NY); Heidelberger, Philip (Cortlandt Manor, NY); Hoenicke, Dirk (Ossining, NY); Steinmacher-Burow, Burkhard D. (Mount Kisco, NY); Takken, Todd E. (Mount Kisco, NY); Vranas, Pavlos M. (Bedford Hills, NY)

    2010-01-19

    A system and method for enabling high-speed, low-latency global tree network communications among processing nodes interconnected according to a tree network structure. The global tree network enables collective reduction operations to be performed during parallel algorithm operations executing in a computer structure having a plurality of the interconnected processing nodes. Router devices are included that interconnect the nodes of the tree via links to facilitate performance of low-latency global processing operations at nodes of the virtual tree and sub-tree structures. The global operations performed include one or more of: broadcast operations downstream from a root node to leaf nodes of a virtual tree, reduction operations upstream from leaf nodes to the root node in the virtual tree, and point-to-point message passing from any node to the root node. The global tree network is configurable to provide global barrier and interrupt functionality in asynchronous or synchronized manner, and, is physically and logically partitionable.

  20. FOAM: NOVEL DELIVERY TECHNOLOGY FOR REMEDIATION OF VADOSE ZONE ENVIRONMENTS

    SciTech Connect (OSTI)

    Jansik, Danielle P.; Wellman, Dawn M.; Mattigod, Shas V.; Zhong, Lirong; Wu, Yuxin; Foote, Martin; Zhang, Z. F.; Hubbard, Susan

    2011-07-05

    Deep vadose zone environments can be a primary source and pathway for contaminant migration to groundwater. These environments present unique characterization and remediation challenges that necessitate scrutiny and research. The thickness, depth, and intricacies of the deep vadose zone, combined with a lack of understanding of the key subsurface processes (e.g., biogeochemical and hydrologic) affecting contaminant migration, make it difficult to create validated conceptual and predictive models of subsurface flow dynamics and contaminant behavior across multiple scales. These factors also make it difficult to design and deploy sustainable remedial approaches and monitor long-term contaminant behavior after remedial actions. Functionally, the methods for addressing contamination must remove and/or reduce transport of contaminants. This problem is particularly challenging in the arid western United States where the vadose zone is hundreds of feet thick, rendering transitional excavation methods exceedingly costly and ineffective. Delivery of remedial amendments is one of the most challenging and critical aspects for all remedy-based approaches. The conventional approach for delivery is through injection of aqueous remedial solutions. However, heterogeneous deep vadose zone environments present hydrologic and geochemical challenges which limit the effectiveness. Because the flow of solution infiltration is dominantly controlled by gravity and suction, injected liquid preferentially percolates through highly permeable pathways, by-passing low-permeability zones which frequently contain the majority of contamination. Moreover, the wetting front can readily mobilize and enhance contaminant transport to the underlying aquifer prior to stabilization. Development of innovative, in-situ technologies may be the only way to meet remedial action objectives and long-term stewardship goals. Surfactants can be used to lower the liquid surface tension and create stabile foams, which readily penetrate low permeability zones. Although surfactant foams have been utilized for subsurface mobilization efforts in the oil and gas industry, so far, the concept of using foams as a delivery mechanism for transporting remedial amendments into deep vadose zone environments to stabilize metal and long-lived radionuclide contaminants has not been explored. Foam flow can be directed by pressure gradients, rather than being dominated by gravity; and, foam delivery mechanisms limit the volume of water (< 5% vol.) required for remedy delivery and emplacement, thus mitigating contaminant mobilization. We will present the results of a numerical modeling and integrated laboratory- / intermediate-scale investigation to simulate, develop, demonstrate, and monitor (i.e. advanced geophysical techniques and advanced predictive biomarkers) foam-based delivery of remedial amendments to remediate metals and radionuclides in vadose zone environments.

  1. Enterprise Zone | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on QA:QA J-E-1 SECTIONRobertsdale, AlabamaETEC GmbH JumpEllenville, NewLtdEnergypediaEntaban Ecoenergeticas SACenterZone

  2. Accommodation Zone | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on QA:QA J-E-1 SECTION J APPENDIX ECoop IncIowa (UtilityMichigan)dataSuccessful Smart Grid PilotsAccommodation Zone Jump

  3. Confirmatory Tree Sampling for Tritium in Trees at the Salmon Site, Mississippi

    SciTech Connect (OSTI)

    None

    2010-06-01

    The sampling was conducted on April 20, 21, and 22, 2010. DOE acquired 36 samples for analysis, approximately 10 percent of the total number of samples the Mississippi Forestry Commission acquired. The plan was to sample trees that the Mississippi Forestry Commission also sampled, so that a tree-by-tree comparison of analysis results could be made. The Mississippi Forestry Commission provided DOE with latitude and longitude coordinates, determined by a global positioning system (GPS), for each sampled tree. The Mississippi Forestry Commission also placed a blaze-orange number on each sampled tree. DOE used a GPS unit to assist in locating trees for sampling. DOE acquired one sample from an off-site location to have a reference for comparison to on-site results if necessary. The other 35 samples were acquired on site, for a total of 36 samples. Figure 1 shows the sampling locations, the sample identifiers DOE assigned, and the corresponding tree numbers the Mississippi Forestry Commission assigned

  4. Near-field/altered-zone models report

    SciTech Connect (OSTI)

    Hardin, E. L., LLNL

    1998-03-01

    The U.S. Department of Energy is studying Yucca Mountain as the possible site for the first underground repository for permanent disposal of spent fuel from commercial nuclear reactors as well as for other types high-level nuclear waste. Emplacement of high-level radioactive waste, especially commercial spent nuclear fuel (CSNF), in Yucca Mountain will release a large amount of heat into the rock above and below the repository. The heating rate will decrease with time, creating a thermal pulse. Over a period of several thousand years, the rock temperature will rise initially, then drop when the production of decay heat falls below the rate at which heat escapes from the hot zone. Besides raising the rock temperature, much of this heat will vaporize water, which will then condense in cooler regions. The condensate is likely to form a gravity-driven heat pipe above the repository, creating the possibility that water may drain back onto the waste packages (WPs) or that it may ''shed'' through the pillars between emplacement drifts. The long-term importance of these effects has been investigated through the development, testing, and application of thermohydrologic (TH) models. Other effects, such coupled chemical and mechanical processes, may also influence the movement of water above, within, and below the emplacement drifts. A recent report on thermally driven coupled processes (Hardin and Chesnut, 1997) provides a qualitative assessment of the probable significance of these processes for the Yucca Mountain Site Characterization Project (YMSCP) and is the phenomenological framework for the present report. This report describes the conceptual and numerical models that have been developed to predict the thermal, mechanical, hydrologic, and chemical responses to the cumulative heat production of the potential host rock at Yucca Mountain. As proposed, the repository horizon will be situated within the Topopah Spring tuff, in the adjacent middle nonlithophysal and lower lithophysal units. These units are made up of moderately to densely welded, devitrified, fractured tuff. The rock's chemical composition is comparable to that of typical granite, but has textural features and mineralogical characteristics of large-scale, silicic volcanism. Because the repository horizon will be approximately 300 m below the ground surface and 200 m above the water table, the repository will be partially saturated. The welded tuff matrix in the host units is highly impermeable, but water and gas flow readily through fractures. The degree of fracturing in these units is highly variable, and the hydrologic significance of fracturing is an important aspect of site investigation. This report describes the characterization and modeling of a region around the potential repository--the altered zone--a region in which the temperature will be increased significantly by waste-generated heat. Numerical simulation has shown that, depending on the boundary conditions, rock properties, and repository design features incorporated in the models, the altered zone (AZ) may extend from the water table to the ground surface. This report also describes models of the near field, the region comprising the repository emplacement drifts and the surrounding rock, which are critical to the performance of engineered components. Investigations of near-field and altered-zone (NF/AZ) processes support the design of underground repository facilities and engineered barriers and also provide constraint data for probabilistic calculations of waste-isolation performance (i.e., performance assessment). The approach to investigation, which is an iterative process involving hypothesis testing and experimentation, has relied on conceptualizing engineered barriers and on performance analysis. This report is a collection, emphasizing conceptual and numerical models, of the recent results contributed from studies of NF/AZ processes and of quantitative measures of NF/AZ performance. The selection and presentation of contributions are intended to show the iterative development of understand

  5. 24 Ways to Kill a Tree 1. "Top" tree to encourage watersprouts that weaken tree and encourage

    E-Print Network [OSTI]

    Liskiewicz, Maciej

    up excessive mulch to encourage rodent damage and bark rot. 17. Put non-porous black plastic under mulch. 18. Stack items atop roots to cause soil compaction. 19. Leave ball roping on to girdle trunk. 20 at the branch bark collar. 7. Spray the lawn with herbicides that will not damage trees. 8. Mulch around

  6. Revitalize the lost enclave : establishing guidelines for the Free Economic Zone in Shanghai

    E-Print Network [OSTI]

    Huang, Xing, S.M. Massachusetts Institute of Technology

    2014-01-01

    This thesis focuses on an emerging urban form: Free Economic Zone. As a special enclave with tax incentives and policy experimentation, the FEZ undertakes the mission to grow the economy and test new rules in developing ...

  7. A Detailed Multi-Zone Thermodynamic Simulation For Direct-Injection Diesel Engine Combustion 

    E-Print Network [OSTI]

    Xue, Xingyu 1985-

    2012-11-15

    -ignition radicals, start of combustion, and eventual heat release. These mechanisms are described based on the current understanding and knowledge of the diesel engine combustion acquired through advanced laser-based diagnostics. Six zones are developed to take...

  8. Building blocked : neighborhood politics and administrative efficiency in Philadelphia's zoning relief process

    E-Print Network [OSTI]

    Karp, Ross A

    2015-01-01

    In response to a widespread dissatisfaction with an inefficient and highly political system of development permitting and land use decision making, Philadelphia instituted a large-scale reform of its zoning code and planning ...

  9. University of Alberta Asymmetry in Binary Search Tree

    E-Print Network [OSTI]

    Culberson, Joseph

    and Patricia A. Evans Technical Report TR 94--09 May 1994 DEPARTMENT OF COMPUTING SCIENCE The University completely seems to give us trees that have a smaller IPL than is expected for trees built by a random

  10. Identification of Pseudomonas aeruginosa via a poplar tree model 

    E-Print Network [OSTI]

    Attila, Can

    2009-05-15

    Differential gene expression of P. aeruginosa in a rhizosphere biofilm on poplar tree roots was examined in order to identify new virulence factors from this human pathogen. Changes in gene expression for poplar trees ...

  11. Design of a tree moving and planting device

    E-Print Network [OSTI]

    Nabar, Sean J

    2006-01-01

    Planting trees that weigh over 200 pounds normally requires three or more able persons. Therefore, a device that allows a single person to easily and efficiently plant such trees possible by one person is highly desirable. ...

  12. Final Report Survey of Hazardous Trees on Marine Corps Depot

    E-Print Network [OSTI]

    Bolding, M. Chad

    1 Final Report Survey of Hazardous Trees on Marine Corps Depot Parris Island, South ............................................................................................................................... 10 Hazard Rating and Attributes ................................................................................................................... 26 #12;3 Abstract Surveying for hazardous trees is the first step

  13. Algorithms for Searching and Analyzing Sets of Evolutionary Trees 

    E-Print Network [OSTI]

    Brammer, Grant

    2014-04-18

    The evolutionary relationships between organisms are represented as phylogenetic trees. These trees have important implications for understanding biodiversity, tracking disease, and designing medicine. Since the evolutionary process that led...

  14. Author's personal copy Canopy disturbance and tree recruitment over two centuries

    E-Print Network [OSTI]

    Pederson, Neil

    , particularly reconstructing disturbance size, shape, frequency, and severity, is fundamental for developmentAuthor's personal copy Canopy disturbance and tree recruitment over two centuries in a managed 2007 Abstract Disturbance history was reconstructed across an 11300 ha managed longleaf pine (Pinus

  15. Forest Research Much more than trees

    E-Print Network [OSTI]

    justice to renewable energy and land use. We have teams of experts in the areas of forest sciencesForest Research Much more than trees #12;Welcome to Forest Research. We are the research agency and supplying scientific evidence on the human, ecological and economic aspects of sustainable forest management

  16. Tree Improvement Forest Health, Productivity & Value

    E-Print Network [OSTI]

    . · Foresters maintain orchards to supply seed from select native hardwood trees for use in urban landscapes tax base. · The Lost Pines seed source was preserved off-site in a TFS drought- hardy loblolly orchard and is now providing source appropriate seed to aid in the Lost Pines Recovery Effort. · Seed orchards

  17. On Cartesian Trees and Range Minimum Queries

    E-Print Network [OSTI]

    Demaine, Erik

    between RMQ and the Lowest Common Ancestor (LCA) problem. In LCA, we wish to preprocess a rooted tree and LCA were shown by Gabowet al. [18] to be equivalent in the sense that either one can be reduced in linear time to the other. An LCA instance can be obtained from an RMQ instance on an array A by letting

  18. Research Report Trees, people and the built

    E-Print Network [OSTI]

    Report #12;ii © Crown Copyright 2012 You may re-use this information (not including logos) free of charge.nationalarchives.gov.uk/doc/open-government-licence or write to the Information Policy Team, The National Archives, Kew, London TW9 4DU, or e-mail: psi: Trees; urban forests; green infrastructure; sustainability; built environment; ecosystem services. FCRP

  19. ATTACHMENT 1 Export Control Decision Tree 1

    E-Print Network [OSTI]

    Jiang, Jiancheng

    ATTACHMENT 1 Export Control Decision Tree 1 for Travel or Shipping to Foreign Countries or Sharing Information with Foreign Nationals United States export controls exist to protect the national security and foreign policy interests of this country. Export controls govern the shipment, transmission, or transfer

  20. Form drag at Three Tree Point

    E-Print Network [OSTI]

    for this study Seattle Tacoma Edwards et al., 2004 Puget Sound, WA Point Three Tree Previous work McCabe et al 24 ­ drag due to tilt = residual drag total form drag #12;Cruise at TTP in Dec. 2009 Seattle Tacoma

  1. Generation and Synchronous Tree-Adjoining Grammars

    E-Print Network [OSTI]

    Generation and Synchronous Tree-Adjoining Grammars Stuart M. Shieber Aiken Computation Laboratory) have been proposed as a formalism for generation based on the intuition that the extended domain as an aid to generation from semantic representations. We demonstrate that this intuition can be made

  2. Generation and Synchronous TreeAdjoining Grammars

    E-Print Network [OSTI]

    Shieber, Stuart

    Generation and Synchronous Tree­Adjoining Grammars Stuart M. Shieber Yves Schabes Aiken Computation) have been proposed as a formal­ ism for generation based on the intuition that the extended domain serving as an aid to generation from semantic representations. We demonstrate that this intuition can

  3. TREE TRAILS Diversity Platform Statements and Resources

    E-Print Network [OSTI]

    : Return to the list of diverse trees, plants and animals you observed earlier. Focus on the interaction a variety of habitats that support diverse, interdependent communities of plants and animals. Resources of the ecosystem organisms. (You may need to return outside to add to your lists. You may want to make a food chain

  4. JUNCTION TREE ALGORITHM Tuesday, September 9, 2008

    E-Print Network [OSTI]

    Cevher, Volkan

    graph G = (NG, EG) to an undi- rected graph G = (NG, EG) plays an important role in the junction tree. More formally, the transformation from G to G requires the addition (to EG) of two sets, EGG and EGG). They are properly defined EGG := (Xi, Xj) N2 : Xk N : (Xi, Xk) EG and (Xj, Xk) EG EGG := (Xj, Xk) N2 : (Xj, Xk

  5. COMPONENTVersion 2.0 Tree Comparsion Software

    E-Print Network [OSTI]

    Page, Roderic

    COMPONENTVersion 2.0 Tree Comparsion Software for Microsoft® WindowsTM User's Guide Roderic D. M NO WARRANTY, EITHER EXPRESSED OR IMPLIED, WITH RESPECT TO THIS SOFTWARE, ITS QUALITY, PERFORMANCE, MERCHANTABILITY, OR FITNESS FOR A PARTICULAR PURPOSE. AS A RESULT, THIS SOFTWARE IS SOLD "AS IS", AND YOU

  6. Safety Requirements and Fault Trees using Retrenchment

    E-Print Network [OSTI]

    Banach, Richard

    this initial model has been created, the elicitation of safety requirements yields a fresh set of criteria are applied, the information linking the design and the safety assessment phases is often carried outSafety Requirements and Fault Trees using Retrenchment R. Banach and R. Cross Computer Science

  7. Refraction of shear zones in granular materials

    E-Print Network [OSTI]

    Tamas Unger

    2007-01-08

    We study strain localization in slow shear flow focusing on layered granular materials. A heretofore unknown effect is presented here. We show that shear zones are refracted at material interfaces in analogy with refraction of light beams in optics. This phenomenon can be obtained as a consequence of a recent variational model of shear zones. The predictions of the model are tested and confirmed by 3D discrete element simulations. We found that shear zones follow Snell's law of light refraction.

  8. Self-Adjusting Binary Search Trees DANIEL DOMINIC SLEATOR AND ROBERT ENDRE TARJAN

    E-Print Network [OSTI]

    Guestrin, Carlos

    , splay trees are as efficient,to within a constant factor, as static optimum search trees. The efficiencyof splay trees comes not from an explicit structural constraint, aswith balanced trees, but from

  9. Development Development

    E-Print Network [OSTI]

    Programme 2007 - 2010 The aim of the Timber Development Programme (TDP) is "to contribute to the sustainable development to underpin sustainable forest management and support economic growth and employment acrossDevelopment Timber Development Programme 2007 - 2010 #12;2 | Timber Development Programme 2007

  10. Sudden Oak Death: Recent Developments on Trees in Europe1

    E-Print Network [OSTI]

    on rhododendron stock in Germany and the Netherlands in 1993 and the new Phytophthora believed to be the cause in Germany and the Netherlands led to surveys for the pathogen in nursery material, initially in the United on European beech. However, stems of mature Q. cerris (Turkey oak), Q. petraea (sessile oak), Nothofagus

  11. SmartTree: Mobile Tree Inventory Device for Rapid Data Collection 

    E-Print Network [OSTI]

    Thompson, Louise

    2011-11-24

    In order to make a tree inventory in forests it is essential to collect field data as quickly, efficiently and in a cost effective manner. Under the UN REDD framework or REDD+ (Reducing Emissions from Deforestation and ...

  12. Vadose Zone Microbiology: Science and Applications

    SciTech Connect (OSTI)

    Brockman, Fred J.; Bradley, Stephen D.; Kieft, Thomas L.

    2002-03-12

    Brockman FJ, SN Bradley and TL Kieft. 2002. Vadose zone microbiology. In Encyclopedia of Environmental Microbiology, volume 6, pp. 3236-3246. John Wiley and Sons, New York.

  13. Maricopa County- Renewable Energy Systems Zoning Ordinance

    Broader source: Energy.gov [DOE]

    The Maricopa County Zoning Ordinance contains provisions for siting renewable energy systems. The ordinance defines renewable energy as "energy derived primarily from sources other than fossil...

  14. Entity Authentication and Authenticated Key Exchange with Tree Parity Machines

    E-Print Network [OSTI]

    International Association for Cryptologic Research (IACR)

    synchronization of two in­ teracting identically structured Tree Parity Machines (TPMs) has been proposed underEntity Authentication and Authenticated Key Exchange with Tree Parity Machines Markus Volkmer key exchange in the framework of Tree Parity Machines (TPMs). The interaction of TPMs has been

  15. Category of trees in representation theory of quantum algebras

    SciTech Connect (OSTI)

    Moskaliuk, N. M.; Moskaliuk, S. S.

    2013-10-15

    New applications of categorical methods are connected with new additional structures on categories. One of such structures in representation theory of quantum algebras, the category of Kuznetsov-Smorodinsky-Vilenkin-Smirnov (KSVS) trees, is constructed, whose objects are finite rooted KSVS trees and morphisms generated by the transition from a KSVS tree to another one.

  16. Coding Hazardous Tree Failures for a Data Management System

    E-Print Network [OSTI]

    Standiford, Richard B.

    Terms: hazard trees; hazard reduction; recreation areas; urban forestry; safety standards; dataCoding Hazardous Tree Failures for a Data Management System Lee A. Paine PACIFIC SOUTHWEST hazardous tree failures for a data management system. Gen. Tech. Rep. PSW-29, 108 p., illus. Pacific

  17. Radio Number for Trees Daphne Der-Fen Liu

    E-Print Network [OSTI]

    Liu, Daphne Der-Fen

    Radio Number for Trees Daphne Der-Fen Liu Department of Mathematics California State University be a connected graph with diameter diam(G). The radio number for G, denoted by rn(G), is the smallest integer k bound for the radio number of trees, and characterize the trees achiev- ing this bound. Moreover, we

  18. Efficient Historical R-trees Yufei Tao and Dimitris Papadias

    E-Print Network [OSTI]

    Papadias, Dimitris

    in the past. The concept behind the method is to keep an R-tree for each timestamp in history, but allow by their spatial proximity. R-tree variants are currently incorporated in many commercial DBMS. A straightforward solution towards indexing spatio-temporal data is to create an R-tree for each timestamp in history

  19. A dying ash tree falls across your path.

    E-Print Network [OSTI]

    Pittendrigh, Barry

    Start here. 1 23 4 9 10 A dying ash tree falls and steals food and water from species that have always lived there. The Emerald Ash Borer (EAB) is a shiny on a bright copper . Emerald Ash Borers feed only on trees. You can find these trees in several settings

  20. Using Pre-Modeled Scenarios to Estimate Groundwater VOC Concentrations Resulting from Vadose Zone Sources

    SciTech Connect (OSTI)

    Oostrom, Martinus; Truex, Michael J.; Rice, Amy K.; Johnson, Christian D.; Carroll, Kenneth C.; Becker, Dave; Simon, Michelle A.

    2014-04-28

    Soil vapor extraction (SVE) is a prevalent remediation approach for volatile contaminants in the vadose zone. To support selection of an appropriate endpoint for the SVE remedy, an evaluation is needed to determine whether vadose zone contamination has been diminished sufficiently to protect groundwater. When vapor-phase transport is an important component of the overall contaminant fate and transport from a vadose zone source, the contaminant concentration expected in groundwater is controlled by a limited set of parameters, including specific site dimensions, vadose zone properties, and source characteristics. An approach was developed for estimating the contaminant concentration in groundwater resulting from a contaminant source in the vadose zone based on pre-modeling contaminant transport for a matrix of parameter value combinations covering a range of potential site conditions. An interpolation and scaling process are then applied to estimate groundwater impact for site-specific conditions.

  1. Improved hydrocracker temperature control: Mobil quench zone technology

    SciTech Connect (OSTI)

    Sarli, M.S.; McGovern, S.J. (Mobil Research and Development, Paulsboro, NJ (United States)); Lewis, D.W.; Snyder, P.W. (Mobil Research and Development, Princeton, NJ (United States))

    1993-01-01

    Hydrocracking is a well established process in the oil refining industry. There are over 2.7 million barrels of installed capacity world-wide. The hydrocracking process comprises several families of highly exothermic reactions and the total adiabatic temperature rise can easily exceed 200 F. Reactor temperature control is therefore very important. Hydrocracking reactors are typically constructed with multiple catalyst beds in series. Cold recycle gas is usually injected between the catalyst beds to quench the reactions, thereby controlling overall temperature rise. The design of this quench zone is the key to good reactor temperature control, particularly when processing poorer quality, i.e., higher heat release, feeds. Mobil Research and Development Corporation (MRDC) has developed a robust and very effective quench zone technology (QZT) package, which is now being licensed to the industry for hydrocracking applications.

  2. Multi-scale factors affecting bird use of isolated remnant oak trees in agro-ecosystems

    E-Print Network [OSTI]

    Rosenberg, Daniel K.

    Sustainable agriculture a b s t r a c t With recent emphasis on sustainable agriculture, conservation use of individual trees: (i) tree architecture; (ii) tree isolation; (iii) tree cover context was unimportant in predicting frequency of use of individual trees. Tree architecture

  3. P. Cruiziat et al.Hydraulic architecture of trees Hydraulic architecture of trees: main concepts and results

    E-Print Network [OSTI]

    Boyer, Edmond

    P. Cruiziat et al.Hydraulic architecture of trees Review Hydraulic architecture of trees: main March 2001; accepted 13 February 2002) Abstract ­ Since about twenty years, hydraulic architecture (h. This review encompasses the main concepts and results concerning the hydraulic of architecture of trees. After

  4. Light limita*on and tree-ring growth in the Schweingruber tree-ring collec*on

    E-Print Network [OSTI]

    Huybers, Peter

    Light limita*on and tree-ring growth in the Schweingruber tree-ring collec;2 · Hypothesis ­ Arc*c tree-ring density is limited by light availability · Test 1-density generally nega*vely correlated with precipita*on üSunlight: ­ Light is energe*c driver

  5. Untreated ash trees after EAB peak, Belvedere Dr., Toledo, OH, June 2009. Coalition for Urban Ash Tree Conservation

    E-Print Network [OSTI]

    Aukema, Brian

    Untreated ash trees after EAB peak, Belvedere Dr., Toledo, OH, June 2009. Coalition for Urban Ash Tree Conservation - Emerald Ash Borer Management Statement - www.emeraldashborer.info/files/conserve_ash.pdf signed 06 Jan 2011 We the undersigned strongly endorse ash tree conservation as a fundamental component

  6. Street tree valuation systems Street trees and urban woodlands provide a number of environmental and social benefits, including contributing to

    E-Print Network [OSTI]

    targeted to single tree and small-scale community evaluations, but can also handle urban woodlands. Urban forests help moderate urban climates, for example by cooling the air, reducing wind speedsStreet tree valuation systems Street trees and urban woodlands provide a number of environmental

  7. Hybrid Zones and Sexual Selection 503 HYBRID ZONES AND SEXUAL SELECTION: INSIGHTS FROM

    E-Print Network [OSTI]

    Hybrid Zones and Sexual Selection 503 HYBRID ZONES AND SEXUAL SELECTION: INSIGHTS FROM THE AWASH BABOON HYBRID ZONE (Papio hamadryas anubis x P. h. hamadryas) Thore J. Bergman and Jacinta C. Beehner, have focused on the impact of sexual selection on populations of naturally occurring hybrid animals

  8. Multilayer parking with screening on a random tree

    E-Print Network [OSTI]

    S. R. Fleurke; C. Kuelske

    2009-11-05

    In this paper we present a multilayer particle deposition model on a random tree. We derive the time dependent densities of the first and second layer analytically and show that in all trees the limiting density of the first layer exceeds the density in the second layer. We also provide a procedure to calculate higher layer densities and prove that random trees have a higher limiting density in the first layer than regular trees. Finally, we compare densities between the first and second layer and between regular and random trees.

  9. Baseline zone estimation in two Atul Mallik

    E-Print Network [OSTI]

    Banerjee, Moulinath

    being the region of interest. In LIDAR (light detection and ranging) experiments used for measuring concentration of pollu- tants in the atmosphere, interest often centers on finding high/low pollution zones (see, for example, Wakimoto and McElroy (1986)); in such contexts, S0 would be the zone of minimal pollution

  10. Treating tar sands formations with karsted zones

    DOE Patents [OSTI]

    Vinegar, Harold J. (Bellaire, TX); Karanikas, John Michael (Houston, TX)

    2010-03-09

    Methods for treating a tar sands formation are described herein. The tar sands formation may have one or more karsted zones. Methods may include providing heat from one or more heaters to one or more karsted zones of the tar sands formation to mobilize fluids in the formation. At least some of the mobilized fluids may be produced from the formation.

  11. Reference Phase of Fresnel Zone Plates

    E-Print Network [OSTI]

    G. W. Webb

    2003-02-28

    The standard zone plate assumes that the shortest ray connecting a radiation source and a detection point has a phase of 0 deg thereby defining a reference phase. Here we examine the experimental consequences of varying this reference phase from 0 deg to 360 deg. It is concluded that reference phase is an intrinsic and useful property of zone plates.

  12. Double patterning HSQ processes of zone plates for 10 nm diffraction limitedperformance

    SciTech Connect (OSTI)

    Chao, Weilun; Kim, Jihoon; Anderson, Erik H.; Fischer, Peter; Rekawa, Senajith; Attwood, David T.

    2009-01-09

    In e-beam lithography, fabrication of sub-20 nm dense structures is challenging. While there is a constant effort to develop higher resolution resist processes, the progress of increasing pattern density is slow. For zone plates, consisting of dense lines and spaces, the outermost zone width has been limited to slightly less than 20 nm due to effects such as low aerial image contrast, forward scattering, intrinsic resist resolution, and development issues. To circumvent these effects, we have successfully developed a new double patterning HSQ process, and as a result, we have fabricated zone plates of 10 and 12 nm using the process. We previously developed a double patterning process in which a dense zone plate pattern is sub-divided into two semi-isolated, complementary zone set patterns. These patterns are fabricated separately and then overlaid with high accuracy to yield the desired pattern. The key to success with this process is the accuracy of the overlay. For diffraction-limited zone plates, accuracy better than one-third of the smallest zone width is needed. In our previous work, the zone set patterns were formed using PMMA and gold electroplating, which were overlaid and aligned to the zero-level mark layer with sub-pixel accuracy using our internally developed algorithm. The complete zone plate fabrication was conducted in-house. With this process, we successfully fabricated zone plates of 15 nm outermost zone. Using this zone plate, we were able to achieve sub-15 nm resolution at 1.52 nm wavelength, the highest resolution ever demonstrated in optical microscopy at that time. We attempted to extend the process to fabricating 12 nm and smaller zones. However, the modest PMMA contrast, combined with a relatively large electron beam size compared to the target feature sized limited the process latitude. To overcome this problem, we developed a new overlay process based on high resolution negative tone resist of hydrogen silsesquioxane (HSQ). With the development in TMAH at 45 C, we can reliably achieve zone width as small as 8 nm with negligible line edge roughness in the semi-dense zone set. Such narrow zones in HSQ, however, detach easily from the gold plating base substrate needed for the electroplating step. We developed a process to condition the gold substrate with (3-mercaptopropyl) trimethoxysilane, or 3-MTP, which can form a homogeneous hydroxylation surface on gold surface and bond with hydroxyl in HSQ. Fig 2 shows the basic process steps of the double patterning HSQ process. Unlike the PMMA process, both zone sets are formed in HSQ and overlaid, and the complete zone plate pattern is converted to gold using electroplating in the final step. Using the new process, we successfully realized zone plates of 10 nm and 12 nm outermost zones. Fig. 3 shows the SEM micrographs of the zone plates outer regions. The zone plates are 30 nm thick in gold. To the best of our knowledge, these zone plates have the smallest zonal features ever fabricated using e-beam lithography. The complete zone plate fabrication was conducted in-house, using our vector scan electron beam lithography tool, the Nanowriter, which has a measured beam diameter of 6.5 nm (FWHM) at 100 keV. An internally developed, sub-pixel alignment algorithm, based on auto/cross-correlation methods, was used for the overlay. A 12 nm zone plate was tested with a full-field transmission x-ray microscope at the LBNL's Advanced Light Source. Fig. 4 shows an x-ray image of a 40 nm thick gold radial spoke pattern taken with the zone plate at 1.75 nm wavelength (707eV, FeL3 edge), along with the scanning transmission electron micrograph of same object. Numerous small features in the object can be seen in the x-ray image. Data analysis indicates that a near diffraction limited performance was achieved using the zone plate. In our presentation, we will discuss the details and subtleties of the overlay fabrication as well as the zone plate image results.

  13. Technical and Policy Challenges in Deep Vadose Zone Remediation of Metals and Radionuclides - 12025

    SciTech Connect (OSTI)

    Wellman, Dawn M.; Truex, Michael J.; Freshley, Mark; Cantrell, Kirk J.; Dresel, P. Evan

    2012-07-01

    Deep vadose zone contamination is a significant issue facing the U.S. Department of Energy's (DOE) Office of Environmental Management (EM). Contamination in the deep vadose zone is isolated from exposure such that direct contact is not a factor in risk to human health and the environment. Transport of deep vadose zone contamination and discharge to the groundwater creates the potential for exposure and risk to receptors, so limiting flux to groundwater is key for protection of groundwater resources. Remediation approaches for the deep vadose zone need to be considered within the regulatory context, targeted at mitigating the source of contamination and reducing contaminant flux to groundwater. Processes for deep vadose zone metal and radionuclide remediation are discussed, as well as challenges and opportunities for implementation. It may be useful to consider the risk and challenges with leaving contaminants in place as part of a flux-control remedy in comparison with risks associated with contaminant removal and final disposition elsewhere. Understanding and quantifying the ramifications of contaminant removal and disposition options are therefore warranted. While this review suggests that some additional development work is needed for deep vadose zone remediation techniques, the benefits of applying vadose zone remediation for groundwater protection are compelling and worthy of continued development. (authors)

  14. Partial alphabetic trees # Arye Barkan + Haim Kaplan +

    E-Print Network [OSTI]

    Shamir, Ron

    a multiset of nonnegative weights W = {w 1 , . . . , w n }, partitioned into m # n blocks B 1 , . . . , Bm. Furthermore among all such trees, T has to minimize # n i=1 w i d(w i ), where d(w i ) is the depth of w i# log( Wsum Wmin )n 2 ) time where W sum = # n i=1 w i , W min = min i w i , and # = 1 log # # 1.44 1

  15. Enrichment Zoning Options for the Small Nuclear Rocket Engine (SNRE)

    SciTech Connect (OSTI)

    Bruce G. Schnitzler; Stanley K. Borowski

    2010-07-01

    Advancement of U.S. scientific, security, and economic interests through a robust space exploration program requires high performance propulsion systems to support a variety of robotic and crewed missions beyond low Earth orbit. In NASA’s recent Mars Design Reference Architecture (DRA) 5.0 study (NASA-SP-2009-566, July 2009), nuclear thermal propulsion (NTP) was again selected over chemical propulsion as the preferred in-space transportation system option because of its high thrust and high specific impulse (-900 s) capability, increased tolerance to payload mass growth and architecture changes, and lower total initial mass in low Earth orbit. An extensive nuclear thermal rocket technology development effort was conducted from 1955-1973 under the Rover/NERVA Program. The Small Nuclear Rocket Engine (SNRE) was the last engine design studied by the Los Alamos National Laboratory during the program. At the time, this engine was a state-of-the-art design incorporating lessons learned from the very successful technology development program. Past activities at the NASA Glenn Research Center have included development of highly detailed MCNP Monte Carlo transport models of the SNRE and other small engine designs. Preliminary core configurations typically employ fuel elements with fixed fuel composition and fissile material enrichment. Uniform fuel loadings result in undesirable radial power and temperature profiles in the engines. Engine performance can be improved by some combination of propellant flow control at the fuel element level and by varying the fuel composition. Enrichment zoning at the fuel element level with lower enrichments in the higher power elements at the core center and on the core periphery is particularly effective. Power flattening by enrichment zoning typically results in more uniform propellant exit temperatures and improved engine performance. For the SNRE, element enrichment zoning provided very flat radial power profiles with 551 of the 564 fuel elements within 1% of the average element power. Results for this and alternate enrichment zoning options for the SNRE are compared.

  16. RAVEN. Dynamic Event Tree Approach Level III Milestone

    SciTech Connect (OSTI)

    Alfonsi, Andrea [Idaho National Lab. (INL), Idaho Falls, ID (United States); Rabiti, Cristian [Idaho National Lab. (INL), Idaho Falls, ID (United States); Mandelli, Diego [Idaho National Lab. (INL), Idaho Falls, ID (United States); Cogliati, Joshua [Idaho National Lab. (INL), Idaho Falls, ID (United States); Kinoshita, Robert [Idaho National Lab. (INL), Idaho Falls, ID (United States)

    2014-07-01

    Conventional Event-Tree (ET) based methodologies are extensively used as tools to perform reliability and safety assessment of complex and critical engineering systems. One of the disadvantages of these methods is that timing/sequencing of events and system dynamics are not explicitly accounted for in the analysis. In order to overcome these limitations several techniques, also know as Dynamic Probabilistic Risk Assessment (DPRA), have been developed. Monte-Carlo (MC) and Dynamic Event Tree (DET) are two of the most widely used D-PRA methodologies to perform safety assessment of Nuclear Power Plants (NPP). In the past two years, the Idaho National Laboratory (INL) has developed its own tool to perform Dynamic PRA: RAVEN (Reactor Analysis and Virtual control ENvironment). RAVEN has been designed to perform two main tasks: 1) control logic driver for the new Thermo-Hydraulic code RELAP-7 and 2) post-processing tool. In the first task, RAVEN acts as a deterministic controller in which the set of control logic laws (user defined) monitors the RELAP-7 simulation and controls the activation of specific systems. Moreover, the control logic infrastructure is used to model stochastic events, such as components failures, and perform uncertainty propagation. Such stochastic modeling is deployed using both MC and DET algorithms. In the second task, RAVEN processes the large amount of data generated by RELAP-7 using data-mining based algorithms. This report focuses on the analysis of dynamic stochastic systems using the newly developed RAVEN DET capability. As an example, a DPRA analysis, using DET, of a simplified pressurized water reactor for a Station Black-Out (SBO) scenario is presented.

  17. New Approach to Assess Volatile Contamination in Vadose Zone Provides Path Forward for Site Closure

    Broader source: Energy.gov [DOE]

    RICHLAND, Wash. and LOS ALAMOS, N.M. – Through the Deep Vadose Zone-Applied Field Research Initiative (DVZ-AFRI), scientists and engineers from Pacific Northwest National Laboratory, CH2M HILL Plateau Remediation Company, federal agencies, and the scientific community are collaborating to develop effective, science-based solutions for remediating, characterizing, monitoring, and predicting the behavior and fate of deep vadose zone contamination.

  18. Mobile machine hazardous working zone warning system

    DOE Patents [OSTI]

    Schiffbauer, William H. (Connellsville, PA); Ganoe, Carl W. (Pittsburgh, PA)

    1999-01-01

    A warning system is provided for a mobile working machine to alert an individual of a potentially dangerous condition in the event the individual strays into a hazardous working zone of the machine. The warning system includes a transmitter mounted on the machine and operable to generate a uniform magnetic field projecting beyond an outer periphery of the machine in defining a hazardous working zone around the machine during operation thereof. A receiver, carried by the individual and activated by the magnetic field, provides an alarm signal to alert the individual when he enters the hazardous working zone of the machine.

  19. Mobile machine hazardous working zone warning system

    DOE Patents [OSTI]

    Schiffbauer, W.H.; Ganoe, C.W.

    1999-08-17

    A warning system is provided for a mobile working machine to alert an individual of a potentially dangerous condition in the event the individual strays into a hazardous working zone of the machine. The warning system includes a transmitter mounted on the machine and operable to generate a uniform magnetic field projecting beyond an outer periphery of the machine in defining a hazardous working zone around the machine during operation. A receiver, carried by the individual and activated by the magnetic field, provides an alarm signal to alert the individual when he enters the hazardous working zone of the machine. 3 figs.

  20. DOE New Madrid Seismic Zone Electric Utility Workshop Summary...

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

    DOE New Madrid Seismic Zone Electric Utility Workshop Summary Report - August 2010 DOE New Madrid Seismic Zone Electric Utility Workshop Summary Report - August 2010 The DOE New...

  1. Geographic Information System At Walker-Lane Transitional Zone...

    Open Energy Info (EERE)

    Geographic Information System At Walker-Lane Transitional Zone Region (Coolbaugh, Et Al., 2005 - 2) Exploration Activity Details Location Walker-Lane Transition Zone Geothermal...

  2. An Updated Site Scale Saturated Zone Ground Water Transport Model...

    Office of Scientific and Technical Information (OSTI)

    An Updated Site Scale Saturated Zone Ground Water Transport Model for Yucca Mountain. Citation Details In-Document Search Title: An Updated Site Scale Saturated Zone Ground Water...

  3. Refraction Survey At Walker-Lane Transitional Zone Region (Heimgartner...

    Open Energy Info (EERE)

    Walker-Lane Transitional Zone Region (Heimgartner, Et Al., 2005) Exploration Activity Details Location Walker-Lane Transition Zone Geothermal Region Exploration Technique...

  4. Geodetic Survey At Walker-Lane Transitional Zone Region (Blewitt...

    Open Energy Info (EERE)

    Geodetic Survey At Walker-Lane Transitional Zone Region (Blewitt Et Al, 2005) Exploration Activity Details Location Walker-Lane Transition Zone Geothermal Region Exploration...

  5. Field Mapping At Walker-Lane Transitional Zone Region (Blewitt...

    Open Energy Info (EERE)

    Walker-Lane Transitional Zone Region (Blewitt Et Al, 2005) Exploration Activity Details Location Walker-Lane Transition Zone Geothermal Region Exploration Technique Field Mapping...

  6. Reference Buildings by Climate Zone and Representative City:...

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

    Reference Buildings by Climate Zone and Representative City: 4B Albuquerque, New Mexico Reference Buildings by Climate Zone and Representative City: 4B Albuquerque, New...

  7. Reference Buildings by Climate Zone and Representative City:...

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

    akfairbanksnew2004v1-47-2.zip More Documents & Publications Reference Buildings by Climate Zone and Representative City: 8 Fairbanks, Alaska Reference Buildings by Climate Zone...

  8. Reference Buildings by Climate Zone and Representative City:...

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

    atxhoustonnew2004v1-47-2.zip More Documents & Publications Reference Buildings by Climate Zone and Representative City: 2A Houston, Texas Reference Buildings by Climate Zone...

  9. Reference Buildings by Climate Zone and Representative City:...

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

    agaatlantanew2004v1-47-2.zip More Documents & Publications Reference Buildings by Climate Zone and Representative City: 3A Atlanta, Georgia Reference Buildings by Climate Zone...

  10. Reference Buildings by Climate Zone and Representative City:...

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

    usaflmiaminew2004v1-47-2.zip More Documents & Publications Reference Buildings by Climate Zone and Representative City: 1A Miami, Florida Reference Buildings by Climate Zone...

  11. Reference Buildings by Climate Zone and Representative City:...

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

    samthelenanew2004v1-47-2.zip More Documents & Publications Reference Buildings by Climate Zone and Representative City: 6B Helena, Montana Reference Buildings by Climate Zone...

  12. AltaRock Energy Announces Successful Multiple-Zone Stimulation...

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

    created multiple stimulated zones from a single wellbore at the Newberry Enhanced Geothermal System (EGS) Demonstration site. Creating multiple stimulated zones from a single...

  13. Geographic Information System At Walker-Lane Transitional Zone...

    Open Energy Info (EERE)

    Zone Region (Laney, 2005) Exploration Activity Details Location Walker-Lane Transition Zone Geothermal Region Exploration Technique Geographic Information System Activity...

  14. Thermal Gradient Holes At Walker-Lane Transitional Zone Region...

    Open Energy Info (EERE)

    Zone Region (Pritchett, 2004) Exploration Activity Details Location Walker-Lane Transition Zone Geothermal Region Exploration Technique Thermal Gradient Holes Activity Date...

  15. A study of a zone approach to IAEA (International Atomic Energy Agency) safeguards: The low-enriched-uranium zone of a light-water-reactor fuel cycle

    SciTech Connect (OSTI)

    Fishbone, L.G.; Higinbotham, W.A.

    1986-06-01

    At present the IAEA designs its safeguards approach with regard to each type of nuclear facility so that the safeguards activities and effort are essentially the same for a given type and size of nuclear facility wherever it may be located. Conclusions regarding a state are derived by combining the conclusions regarding the effectiveness of safeguards for the individual facilities within a state. In this study it was convenient to define three zones in a state with a closed light-water-reactor nuclear fuel cycle. Each zone contains those facilities or parts thereof which use or process nuclear materials of the same safeguards significance: low-enriched uranium, radioactive spent fuel, or recovered plutonium. The possibility that each zone might be treated as an extended material balance area for safeguards purposes is under investigation. The approach includes defining the relevant features of the facilities in the three zones and listing the safeguards activities which are now practiced. This study has focussed on the fresh-fuel zone, the several facilities of which use or process low-enriched uranium. At one extreme, flows and inventories would be verified at each material balance area. At the other extreme, the flows into and out of the zone and the inventory of the whole zone would be verified. There are a number of possible safeguards approaches which fall between the two extremes. The intention is to develop a rational approach which will make it possible to compare the technical effectiveness and the inspection effort for the facility-oriented approach, for the approach involving the zone as a material balance area, and for some reasonable intermediate safeguards approaches.

  16. Zone Determinant Expansions for Nuclear Lattice Simulations

    E-Print Network [OSTI]

    Dean J. Lee; Ilse C. F. Ipsen

    2003-11-28

    We introduce a new approximation to nucleon matrix determinants that is physically motivated by chiral effective theory. The method involves breaking the lattice into spatial zones and expanding the determinant in powers of the boundary hopping parameter.

  17. Hybrid zones in Rhododendron subsection Taliensia 

    E-Print Network [OSTI]

    Marczewski, Tobias

    2011-06-27

    The investigation of hybrid zones has proven to be one of the most promising approaches to advance our understanding of species barriers, and to elucidate evolutionary processes involved in speciation. Due to the improvement ...

  18. Microbial oceanography of anoxic oxygen minimum zones

    E-Print Network [OSTI]

    Ulloa, Osvaldo

    Vast expanses of oxygen-deficient and nitrite-rich water define the major oxygen minimum zones (OMZs) of the global ocean. They support diverse microbial communities that influence the nitrogen economy of the oceans, ...

  19. Development of Hydrologic Characterization Technology of Fault Zones

    E-Print Network [OSTI]

    Karasaki, Kenzi

    2009-01-01

    was provided by the Nuclear waste Management Organization of1 Introduction The Nuclear Waste Management Organization of51-68. Swedish Nuclear Fuel and Waste Management Co. , 2005,

  20. Development of Characterization Technology for Fault Zone Hydrology

    E-Print Network [OSTI]

    Karasaki, Kenzi

    2010-01-01

    USA Junichi Goto Nuclear Waste Management Organization ofUSA Tadashi Miwa Nuclear Waste Management Organization ofHiroyuki Tsuchi Nuclear Waste Management Organization of

  1. Hydrogeologic Controls on Bioactive Zone Development in Biostimulated Aquifers

    E-Print Network [OSTI]

    Schillig, Peter Curtis

    2012-05-31

    Denitrification refers to the conversion of NO3 - (aq) to N2(aq). It occurs as the cumulative result of nitrate respiration, nitrite respiration combined with nitric oxide reduction, and nitrous oxide respiration carried out by autotrophic (Smith et al. 2001... Denitrification refers to the conversion of NO3 - (aq) to N2(aq). It occurs as the cumulative result of nitrate respiration, nitrite respiration combined with nitric oxide reduction, and nitrous oxide respiration carried out by autotrophic (Smith et al. 2001...

  2. Development Overview of Geothermal Resources In Kilauea East Rift Zone |

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on QA:QA J-E-1 SECTIONRobertsdale, Alabama (UtilityInstruments IncMississippi:DeltaFishDesertDetroitSolarSurveyOpen Energy

  3. Baoding High Tech Industry Development Zone | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on QA:QA J-E-1 SECTION J APPENDIX E LISTStar Energy LLC Jump to:Greece:Bajo en Carbono, MexicoBanham Poultry

  4. China-Low Carbon Development Zones | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on QA:QA J-E-1 SECTION J APPENDIX E LISTStar Energy LLCLtd Jump to:ChangingCNE Jump to:New EnergyPFAN)EnergyinChina-Low

  5. Longyang Zone Hongqiang Hydroelectric Power Development Co Ltd | Open

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on QA:QA J-E-1 SECTION J APPENDIX E LISTStar2-0057-EAInvervarLeeds, UnitedLibertyLiteHuixin HydropowerLongwood,Energy

  6. China-Low Carbon Development Zones | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on QA:QA J-E-1 SECTION J APPENDIX ECoopButte County,Camilla,Thermal GradientChateau TebeauFuelsLow

  7. Treating nahcolite containing formations and saline zones

    DOE Patents [OSTI]

    Vinegar, Harold J

    2013-06-11

    A method for treating a nahcolite containing subsurface formation includes removing water from a saline zone in or near the formation. The removed water is heated using a steam and electricity cogeneration facility. The heated water is provided to the nahcolite containing formation. A fluid is produced from the nahcolite containing formation. The fluid includes at least some dissolved nahcolite. At least some of the fluid is provided to the saline zone.

  8. Zone heated diesel particulate filter electrical connection

    DOE Patents [OSTI]

    Gonze, Eugene V. (Pinckney, MI); Paratore, Jr., Michael J. (Howell, MI)

    2010-03-30

    An electrical connection system for a particulate filter is provided. The system includes: a particulate filter (PF) disposed within an outer shell wherein the PF is segmented into a plurality of heating zones; an outer mat disposed between the particulate filter and the outer shell; an electrical connector coupled to the outer shell of the PF; and a plurality of printed circuit connections that extend along the outer surface of the PF from the electrical connector to the plurality of heating zones.

  9. Quantum Accelerator Modes from the Farey Tree

    E-Print Network [OSTI]

    A. Buchleitner; M. B. d'Arcy; S. Fishman; S. A. Gardiner; I. Guarneri; Z. -Y. Ma; L. Rebuzzini; G. S. Summy

    2006-06-09

    We show that mode-locking finds a purely quantum non-dissipative counterpart in atom-optical quantum accelerator modes. These modes are formed by exposing cold atoms to periodic kicks in the direction of the gravitational field. They are anchored to generalized Arnol'd tongues, parameter regions where driven nonlinear classical systems exhibit mode-locking. A hierarchy for the rational numbers known as the Farey Tree provides an ordering of the Arnol'd tongues and hence of experimentally observed accelerator modes.

  10. Texas Wholesale Market for Christmas Trees

    E-Print Network [OSTI]

    Sorensen, H. B. (Harold B.); Smith, W. A.

    1964-01-01

    stream_source_info Bull1021.pdf.txt stream_content_type text/plain stream_size 44581 Content-Encoding ISO-8859-1 stream_name Bull1021.pdf.txt Content-Type text/plain; charset=ISO-8859-1 Wholesale Market for 7 :. @EXAS... Wortl~. The study was performed at the request of the Texas Forest Service to provide information about the feasiblity and direction of Cl~ristmas tree man- agement research. Fi~zdings A market exists in the wholesale trade in the three surveyed...

  11. Converting urban tree maintenance residue to energy

    SciTech Connect (OSTI)

    Murphey, W.K.; Massey, J.G.; Sumrall, A.

    1980-01-01

    Three methods of utilizing urban wood waste collected by a tree maintenance firm in Houston, Texas (handling 30,000 ton waste/year) are examined: (a) hauling to a remote landfill; (b) chipping and hauling to a (local) power plant and converting to electricity; and (c) chipping and selling to an outside firm for use as boiler fuel. Breakdown of costs are given for each method in monetary and energy terms. Method (b) was the cheapest, producing a net energy gain (870 million Btu/day), but the firm chose method (c), since it realized a direct monetary return.

  12. Bent Tree Wind Farm | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on QA:QA J-E-1 SECTION J APPENDIX ECoop IncIowaWisconsin: EnergyYorkColoradoBelcher Homes JumpCreek Jump to:Tree Wind Farm

  13. Big Tree Climate Fund | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on QA:QA J-E-1 SECTION J APPENDIX ECoop IncIowaWisconsin: EnergyYorkColoradoBelcherCarbon SequestrationTree Climate Fund

  14. Persimmon Tree Capital | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on QA:QA J-E-1 SECTION J APPENDIXsourceII JumpQuarterly Smart GridNorthInformation 8thPerformSystemsPersimmon Tree

  15. Language Modeling with Tree Substitution Matt Post and Daniel Gildea

    E-Print Network [OSTI]

    Gildea, Daniel

    Language Modeling with Tree Substitution Grammars Matt Post and Daniel Gildea Department framework (Cohn et al., 2009; Post and Gildea, 2009). Compared to past heuristic approaches, these grammars

  16. Tree roots and their microbial partners may provide answers to...

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

    comprehensive done on any tree in that it examined plant association patterns of both bacteria and fungi, in two states, over two seasons," Schadt said. They found that...

  17. Wood-boring Insects of Trees and Shrubs 

    E-Print Network [OSTI]

    Drees, Bastiaan M.; Jackman, John A.; Merchant, Michael E.

    2008-06-17

    This publication explains how to identify and control wood-boring insects that invade shrubs and shade trees in Texas. 12 pages, 9 figures, 6 photographs, 1 table...

  18. TREE TRAILS 1. Crown: (head) part of the tree that consists of the leaves and the

    E-Print Network [OSTI]

    photosynthesis, leaves use solar energy from the sun to transform carbon dioxide from the atmosphere and water into the atmosphere. Leaves clean the air and use energy from the sun to produce food for the tree. 3. Branch, Twigs injury by animals, diseases, fire, etc. and has a variety of characteristics such as thin, thick, spongy

  19. The Log-Structured Merge-Tree (LSM-Tree) Patrick O'Neil1, Edward Cheng2

    E-Print Network [OSTI]

    O'Neil, Patrick

    -based index structures such as the B-tree will effectively double the I/O cost of the transaction to maintain an index such as this in real time, increasing the total system cost up to fifty percent. Clearly a method for maintaining a real-time index at low cost is desirable. The Log-Structured Merge-tree (LSM-tree) is a disk

  20. Green Business Development in Indian Country

    Broader source: Energy.gov [DOE]

    Hosted by Trees, Water, and People, this five-day course is based on the Indianpreneurship curriculum developed by Our Native Business Network. The workshop walks attendees through the process of...

  1. Saving Planetary Systems: Dead Zones & Planetary Migration

    E-Print Network [OSTI]

    Soko Matsumura; Ralph E. Pudritz; Edward W. Thommes

    2007-01-16

    The tidal interaction between a disk and a planet leads to the planet's migration. A long-standing question regarding this mechanism is how to stop the migration before planets plunge into their central stars. In this paper, we propose a new, simple mechanism to significantly slow down planet migration, and test the possibility by using a hybrid numerical integrator to simulate the disk-planet interaction. The key component of the scenario is the role of low viscosity regions in protostellar disks known as dead zones, which affect planetary migration in two ways. First of all, it allows a smaller-mass planet to open a gap, and hence switch the faster type I migration to the slower type II migration. Secondly, a low viscosity slows down type II migration itself, because type II migration is directly proportional to the viscosity. We present numerical simulations of planetary migration by using a hybrid symplectic integrator-gas dynamics code. Assuming that the disk viscosity parameter inside the dead zone is (alpha=1e-4-1e-5), we find that, when a low-mass planet (e.g. 1-10 Earth masses) migrates from outside the dead zone, its migration is stopped due to the mass accumulation inside the dead zone. When a low-mass planet migrates from inside the dead zone, it opens a gap and slows down its migration. A massive planet like Jupiter, on the other hand, opens a gap and slows down inside the dead zone, independent of its initial orbital radius. The final orbital radius of a Jupiter mass planet depends on the dead zone's viscosity. For the range of alpha's noted above, this can vary anywhere from 7 AU, to an orbital radius of 0.1 AU that is characteristic of the hot Jupiters.

  2. FRESNEL-ZONE MEASUREMENT AND ANALYSIS OF A DUAL-

    E-Print Network [OSTI]

    Collings, Iain B.

    FRESNEL-ZONE MEASUREMENT AND ANALYSIS OF A DUAL- POLARIZED METEOROLOGICAL RADAR ANTENNA D.B. HaymanBi gain Horizontal and vertical polarizations #12;Range Length 4 m9 2 3 4 = D Fresnel Zone Criterion Data Corrected Fresnel Zone Data Aperture Data Far Field Data Raw Fresnel Zone Data Mask D+2 Fourier

  3. Analyzing the flexibility of inclusionary zoning : should affordable units be built on-site or off-site?

    E-Print Network [OSTI]

    Alonso, Rachel (Rachel Margaret)

    2012-01-01

    Inclusionarv zoning (IZ), a strategy first adopted by municipalities in the 1970S to create affordable housing, requires private developers of market-rate residential projects to set-aside a certain percentage of units as ...

  4. Zoned electrical heater arranged in spaced relationship from particulate filter

    DOE Patents [OSTI]

    Gonze, Eugene V [Pinckney, MI

    2011-11-15

    A system comprises a particulate matter (PM) filter that comprises an upstream end for receiving exhaust gas and a downstream end. A zoned heater is arranged spaced from the upstream end and comprises N zones, where N is an integer greater than one, wherein each of the N zones comprises M sub-zones, where M is an integer greater than one. A control module selectively activates at least a selected one of the N zones to initiate regeneration in downstream portions of the PM filter from the one of the N zones and deactivates non-selected ones of the N zones.

  5. Cuts and Partitions in Graphs/Trees with Applications 

    E-Print Network [OSTI]

    Fan, Jia-Hao

    2013-07-23

    Both the maximum agreement forest problem and the multicut on trees problem are NP-hard, thus cannot be solved efficiently if P /=NP. The maximum agreement forest problem was motivated in the study of evolution trees in bioinformatics, in which we...

  6. Cultivation and Care of Trees on the Farm in Texas. 

    E-Print Network [OSTI]

    Ness, H. (Helge)

    1922-01-01

    years in the peach-grow- ing region of the Great Lakes than anywhere in Texas.. Forest belts are more efficient protectors of fruit trees against the extremes of both summer and winter. The severity of the blizzard, "Part 11, Section 1, Frost... .............................. Regions of Rainfall in Texas 19 Species of Forest Trees for West Texas ..................... 21 Red Cedar ............................................. 21 Pines .................................................. 22 Cypresses...

  7. TREES, PEOPLE, THE MISSING SINK AND THE GREENHOUSE EFFECT

    E-Print Network [OSTI]

    Bateman, Ian J.

    TREES, PEOPLE, THE MISSING SINK AND THE GREENHOUSE EFFECT by Neil Adger and Katrina Brown CSERGE Working Paper GEC 94-14 #12;TREES, PEOPLE, THE MISSING SINK AND THE GREENHOUSE EFFECT by Neil Adger enhancing the greenhouse effect. The terrestrial stock of carbon is also uncertain and has been hypothesised

  8. The harmonic measure of balls in random trees Nicolas Curien

    E-Print Network [OSTI]

    Le Gall, Jean-François

    The harmonic measure of balls in random trees Nicolas Curien and Jean-François Le Gall Abstract We study properties of the harmonic measure of balls in typical large discrete trees. For a ball of radius of the harmonic measure is supported on a boundary set of size approximately equal to n , where 0

  9. Characterization of Logics Over Ranked Tree Thomas Place

    E-Print Network [OSTI]

    Doyen, Laurent

    Characterization of Logics Over Ranked Tree Languages Thomas Place LSV, ENS-Cachan, CNRS, INRIA combinations of 1 over ranked trees. In particular, we provide effective characterizations of those three logics using algebraic identities. Characterizations had already been obtained for those logics over

  10. In this issue: "Special Sites" for Tree Farm Certification

    E-Print Network [OSTI]

    Hill, Jeffrey E.

    , or endangered species of plants, trees, or wildlife would also qualify as special sites. Other special sites I effort to locate and protect special sites on his/her Tree Farm as part of the management plan. "Special do you locate special sites? Many landowners are hands-on managers and are the most knowledgeable

  11. Scalable Regression Tree Learning on Hadoop using Computer Science Department

    E-Print Network [OSTI]

    Hwang, Kai

    to build prediction models. Regression tree is a popular learning model that combines decision trees. This pushes the envelope on the traditional theoretical, empirical and computational sciences to allow novel be monitored by the utility company using Advanced metering infrastructure (AMI), also known as smart meters

  12. Shapes of tree representations of spin-glass Wim Hordijka

    E-Print Network [OSTI]

    Stadler, Peter F.

    that result from the energy landscapes of p-spin models. These statistics give information about the shape nodes of which represent, respectively, the local minima and the lowest energy saddles connecting those minima. Here we apply several statistics used in the study of phylogenetic trees to barrier trees

  13. Forest fires, explosions, and random trees Edward Crane

    E-Print Network [OSTI]

    Wirosoetisno, Djoko

    Forest fires, explosions, and random trees Edward Crane HIMR, UoB 13th January 2014 #12 and James Martin at the University of Oxford. Edward Crane (HIMR, UoB) Forest fires, explosions, and random trees 13th January 2014 2 / 20 #12;Overview This talk is about the mean field forest fire model

  14. Tree Harvest in an Experimental Sand Ecosystem: Plant Effects on

    E-Print Network [OSTI]

    Vermont, University of

    generation mechanisms. Prior to harvest, K soil- water concentrations were relatively uniform with depthTree Harvest in an Experimental Sand Ecosystem: Plant Effects on Nutrient Dynamics and Solute to determine how trees affect the behavior of these nutrients in soil water, both during growth and after

  15. agbioresearch.msu.edu NEW OPPORTUNITY FOR CONTROLLING PEACH TREE

    E-Print Network [OSTI]

    in the trunks of their trees by distributing the pheromone ties evenly throughout the orchard, prior that are next to urban areas should be particularly interested in this product, as the Lorsban 4E image of agriculture. Lesser Peach Tree Borers Caught per Year in Cherry Orchards #12;agbioresearch

  16. DUAL RAMSEY THEOREM FOR TREES S_LAWOMIR SOLECKI

    E-Print Network [OSTI]

    Solecki, Slawomir

    DUAL RAMSEY THEOREM FOR TREES S_LAWOMIR SOLECKI Abstract.The classical Ramsey theorem was generalized in two major ways: to the dual Ramsey theorem, by Graham and Rothschild, and to Ramsey theorems for trees, initially by Deuber and Leeb. Bringing

  17. Dynamic LCA Queries on Trees # Richard Cole + Ramesh Hariharan #

    E-Print Network [OSTI]

    Cole, Richard

    Dynamic LCA Queries on Trees # Richard Cole + Ramesh Hariharan # Abstract We show how to maintain. The primary use of LCA computations in a su#x tree is to determine the longest common prefix of two substrings common ancestor of the corresponding nodes. The first constant time LCA computation algorithm was due

  18. Schema Disruption in Tree-Structured Chromosomes William A. Greene

    E-Print Network [OSTI]

    Greene, William A.

    . In classical genetic algorithms (GAs), as found in Holland [4] or Goldberg [1], individual solutions. There is no constant c such that dp(H) c · rel(H) holds for arbitrary schemas and trees. This is illustrated in trees in the population mimic hap- loidal chromosomes from nature. Individual solutions get repre- sented as bit strings

  19. Quantum Algorithms for Evaluating MIN-MAX Trees

    E-Print Network [OSTI]

    Richard Cleve; Dmitry Gavinsky; David L. Yeung

    2007-10-31

    We present a bounded-error quantum algorithm for evaluating Min-Max trees. For a tree of size N our algorithm makes N^{1/2+o(1)} comparison queries, which is close to the optimal complexity for this problem.

  20. Decision Trees: More Theoretical Justification for Practical Algorithms

    E-Print Network [OSTI]

    Fiat, Amos

    Decision Trees: More Theoretical Justification for Practical Algorithms Amos Fiat and Dmitry,pechyony}@tau.ac.il Abstract. We study impurity­based decision tree algorithms such as CART, C4.5, etc., so as to better understand their theoretical under­ pinnings. We consider such algorithms on special forms of functions

  1. Steiner Minimal Trees, Twist Angles, and the Protein Folding Problem

    E-Print Network [OSTI]

    Smith, J. MacGregor

    Steiner Minimal Trees, Twist Angles, and the Protein Folding Problem J. MacGregor Smith, Yunho Jang. These properties should be ultimately useful in the ab ini- tio protein folding prediction. Proteins 2007;66:889­ 902. VVC 2006 Wiley-Liss, Inc. Key words: Steiner trees; twist angles; protein fold- ing; side chain

  2. THE UNIVERSITY OF CALGARY Biomechanics in Botanical Trees

    E-Print Network [OSTI]

    Prusinkiewicz, Przemyslaw

    to the Faculty of Graduate Stud- ies for acceptance, a thesis entitled "Biomechanics in Botanical Trees wood and branch breakage due to excessive stress, as well as methods for controlling tree architecture wood . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 3 L-systems 13 3.1 Context-sensitive L

  3. Learning in Boltzmann Trees Lawrence Saul and Michael Jordan

    E-Print Network [OSTI]

    Jordan, Michael I.

    Learning in Boltzmann Trees Lawrence Saul and Michael Jordan Center for Biological January 31, 1995 Abstract We introduce a large family of Boltzmann machines that can be trained using standard gradient descent. The networks can have one or more layers of hidden units, with tree

  4. Diseases of plantation forestry trees in eastern and southern Africa

    E-Print Network [OSTI]

    Diseases of plantation forestry trees in eastern and southern Africa J. Roux a*, G. Meke b , B a Introduction Plantations of non-native trees have been grown in Africa for more than 100 years.1,2 The most especially for construction timber and fuel, while in southern Africa this timber also sustains a thriving

  5. University of Alberta Nearly Optimal Minimax Tree Search?

    E-Print Network [OSTI]

    Schaeffer, Jonathan

    University of Alberta Nearly Optimal Minimax Tree Search? by Aske Plaat, Jonathan Schaeffer, Wim The University of Alberta Edmonton, Alberta, Canada #12;i #12;Nearly Optimal Minimax Tree Search? Aske Plaat, Erasmus University, plaat@cs.few.eur.nl Jonathan Schaeffer, University of Alberta, jonathan

  6. FAT-miner: Mining Frequent Attribute Trees Jeroen De Knijf

    E-Print Network [OSTI]

    Utrecht, Universiteit

    FAT-miner: Mining Frequent Attribute Trees Jeroen De Knijf Department of Information and Computing Sciences, Utrecht University Technical Report UU-CS-2006-053 www.cs.uu.nl ISSN: 0924-3275 #12;FAT-miner is neglected. We present FAT-miner, an algorithm for frequent pattern discovery in tree structured data

  7. COMMON TREES ON THE FIU CAMPUS AND IN MIAMI

    E-Print Network [OSTI]

    Koptur, Suzanne

    botanists who gave our common plants their names. The key and the alphabetical list use the scientific name Family List.........................................47 Authorities you stop calling a plant a shrub and start calling it a tree? For the purpose of this guide a tree

  8. Complexity of Layered Binary Search Trees with Relaxed Balance

    E-Print Network [OSTI]

    Larsen, Kim Skak

    Complexity of Layered Binary Search Trees with Relaxed Balance Lars Jacobsen Kim S. Larsen University of Southern Denmark, Odense Abstract. When search trees are made relaxed, balance constraints circumstances. However, the weakened balance constraints also make it more challenging to prove complexity

  9. The Davey Tree Expert Company Davey Foundation Arbor Grant Program

    E-Print Network [OSTI]

    of intent explaining future plans and financial need must be attached. Grades do not have to be fromThe Davey Tree Expert Company Davey Foundation Arbor Grant Program Purpose To provide financial Administrator, Education and Training Services The Davey Tree Expert Company 1500 North Mantua Street Kent, Ohio

  10. Fast Data Collection in Tree-Based Wireless Sensor Networks

    E-Print Network [OSTI]

    Krishnamachari, Bhaskar

    Fast Data Collection in Tree-Based Wireless Sensor Networks O¨ zlem Durmaz Incel, Amitabha Ghosh be streamed from a set of sensors to a sink over a tree-based topology?" We study two types of data collection suffice to eliminate most of the interference. Then, the data collection rate no longer remains limited

  11. Grafting Energy-Harvesting Leaves onto the Sensornet Tree

    E-Print Network [OSTI]

    Cafarella, Michael J.

    Grafting Energy-Harvesting Leaves onto the Sensornet Tree Lohit Yerva , Bradford Campbell , Apoorva the problem of augmenting battery-powered sen- sornet trees with energy-harvesting leaf nodes. Our results harvest enough energy from ambient sources to acquire and transmit sensor readings ev- ery minute, even

  12. Page 2 of 4 TREE Cookies Etc. Conservation will

    E-Print Network [OSTI]

    Liskiewicz, Maciej

    ;Page 3 of 4 TREE Cookies Etc. Global Warming - Continued reduce carbon dioxide emissions (mainly burn less fossil fuels), or we can re-absorb carbon dioxide from the air. Trees enter the picture here because they can be used to take carbon dioxide out of the air. All plants make food out of carbon dioxide

  13. Adaptive code generators for tree coding of speech 

    E-Print Network [OSTI]

    Dong, Hui

    1998-01-01

    Tree coding is a promising way of obtaining good performance for medium-to-low rate speech coding. The key part of a tree coder is the code generator which consists of a short-term predictor and a long-term predictor. The ...

  14. Office of Legacy Management Decision Tree for Solar Photovoltaic Projects - 13317

    SciTech Connect (OSTI)

    Elmer, John; Butherus, Michael; Barr, Deborah L.

    2013-07-01

    To support consideration of renewable energy power development as a land reuse option, the DOE Office of Legacy Management (LM) and the National Renewable Energy Laboratory (NREL) established a partnership to conduct an assessment of wind and solar renewable energy resources on LM lands. From a solar capacity perspective, the larger sites in the western United States present opportunities for constructing solar photovoltaic (PV) projects. A detailed analysis and preliminary plan was developed for three large sites in New Mexico, assessing the costs, the conceptual layout of a PV system, and the electric utility interconnection process. As a result of the study, a 1,214-hectare (3,000-acre) site near Grants, New Mexico, was chosen for further study. The state incentives, utility connection process, and transmission line capacity were key factors in assessing the feasibility of the project. LM's Durango, Colorado, Disposal Site was also chosen for consideration because the uranium mill tailings disposal cell is on a hillside facing south, transmission lines cross the property, and the community was very supportive of the project. LM worked with the regulators to demonstrate that the disposal cell's long-term performance would not be impacted by the installation of a PV solar system. A number of LM-unique issues were resolved in making the site available for a private party to lease a portion of the site for a solar PV project. A lease was awarded in September 2012. Using a solar decision tree that was developed and launched by the EPA and NREL, LM has modified and expanded the decision tree structure to address the unique aspects and challenges faced by LM on its multiple sites. The LM solar decision tree covers factors such as land ownership, usable acreage, financial viability of the project, stakeholder involvement, and transmission line capacity. As additional sites are transferred to LM in the future, the decision tree will assist in determining whether a solar PV project is feasible on the new sites. (authors)

  15. Socio-economic benefits in Plan Vivo projects: Trees for Global Benefits, Uganda 50 Appendix 6.6

    E-Print Network [OSTI]

    Socio-economic benefits in Plan Vivo projects: Trees for Global Benefits, Uganda 50 Appendix 6.6 Socio-economic benefits in Plan Vivo projects: A complete manual for a project assessment 1. Survey for the Socio-economic study of a carbon offset Plan Vivo project. The methodology has been developed initially

  16. Directed nonabelian sandpile models on trees

    E-Print Network [OSTI]

    Arvind Ayyer; Anne Schilling; Benjamin Steinberg; Nicolas M. Thiery

    2015-02-28

    We define two general classes of nonabelian sandpile models on directed trees (or arborescences) as models of nonequilibrium statistical phenomena. These models have the property that sand grains can enter only through specified reservoirs, unlike the well-known abelian sandpile model. In the Trickle-down sandpile model, sand grains are allowed to move one at a time. For this model, we show that the stationary distribution is of product form. In the Landslide sandpile model, all the grains at a vertex topple at once, and here we prove formulas for all eigenvalues, their multiplicities, and the rate of convergence to stationarity. The proofs use wreath products and the representation theory of monoids.

  17. Detonation Reaction Zones in Condensed Explosives

    SciTech Connect (OSTI)

    Tarver, C M

    2005-07-14

    Experimental measurements using nanosecond time resolved embedded gauges and laser interferometric techniques, combined with Non-Equilibrium Zeldovich--von Neumann--Doring (NEZND) theory and Ignition and Growth reactive flow hydrodynamic modeling, have revealed the average pressure/particle velocity states attained in reaction zones of self-sustaining detonation waves in several solid and liquid explosives. The time durations of these reaction zone processes is discussed for explosives based on pentaerythritol tetranitrate (PETN), nitromethane, octahydro-1,3,5,7-tetranitro-1,3,5,7-tetrazocine (HMX), triaminitrinitrobenzene(TATB) and trinitrotoluene (TNT).

  18. Colloid Facilitated Transport of Radioactive Cations in the Vadose Zone: Field Experiments Oak Ridge

    SciTech Connect (OSTI)

    James E. Saiers

    2012-09-20

    The overarching goal of this study was to improve understanding of colloid-facilitated transport of radioactive cations through unsaturated soils and sediments. We conducted a suite of laboratory experiments and field experiments on the vadose-zone transport of colloids, organic matter, and associated contaminants of interest to the U.S. Department of Energy (DOE). The laboratory and field experiments, together with transport modeling, were designed to accomplish the following detailed objectives: 1. Evaluation of the relative importance of inorganic colloids and organic matter to the facilitation of radioactive cation transport in the vadose zone; 2. Assessment of the role of adsorption and desorption kinetics in the facilitated transport of radioactive cations in the vadose zone; 3. Examination of the effects of rainfall and infiltration dynamics and in the facilitated transport of radioactive cations through the vadose zone; 4. Exploration of the role of soil heterogeneity and preferential flow paths (e.g., macropores) on the facilitated transport of radioactive cations in the vadose zone; 5. Development of a mathematical model of facilitated transport of contaminants in the vadose zone that accurately incorporates pore-scale and column-scale processes with the practicality of predicting transport with readily available parameters.

  19. Widespread Discordance of Gene Trees with Species Tree inDrosophila: Evidence for Incomplete Lineage Sorting

    SciTech Connect (OSTI)

    Pollard, Daniel A.; Iyer, Venky N.; Moses, Alan M.; Eisen,Michael B.

    2006-08-28

    The phylogenetic relationship of the now fully sequencedspecies Drosophila erecta and D. yakuba with respect to the D.melanogaster species complex has been a subject of controversy. All threepossible groupings of the species have been reported in the past, thoughrecent multi-gene studies suggest that D. erecta and D. yakuba are sisterspecies. Using the whole genomes of each of these species as well as thefour other fully sequenced species in the subgenus Sophophora, we set outto investigate the placement of D. erecta and D. yakuba in the D.melanogaster species group and to understand the cause of the pastincongruence. Though we find that the phylogeny grouping D. erecta and D.yakuba together is the best supported, we also find widespreadincongruence in nucleotide and amino acid substitutions, insertions anddeletions, and gene trees. The time inferred to span the two keyspeciation events is short enough that under the coalescent model, theincongruence could be the result of incomplete lineage sorting.Consistent with the lineage-sorting hypothesis, substitutions supportingthe same tree were spatially clustered. Support for the different treeswas found to be linked to recombination such that adjacent genes supportthe same tree most often in regions of low recombination andsubstitutions supporting the same tree are most enriched roughly on thesame scale as linkage disequilibrium, also consistent with lineagesorting. The incongruence was found to be statistically significant androbust to model and species choice. No systematic biases were found. Weconclude that phylogenetic incongruence in the D. melanogaster speciescomplex is the result, at least in part, of incomplete lineage sorting.Incomplete lineage sorting will likely cause phylogenetic incongruence inmany comparative genomics datasets. Methods to infer the correct speciestree, the history of every base in the genome, and comparative methodsthat control for and/or utilize this information will be valuableadvancements for the field of comparative genomics.

  20. High exhaust temperature, zoned, electrically-heated particulate matter filter

    SciTech Connect (OSTI)

    Gonze, Eugene V.; Paratore, Jr., Michael J.; Bhatia, Garima

    2015-09-22

    A system includes a particulate matter (PM) filter, an electric heater, and a control circuit. The electric heater includes multiple zones, which each correspond to longitudinal zones along a length of the PM filter. A first zone includes multiple discontinuous sub-zones. The control circuit determines whether regeneration is needed based on an estimated level of loading of the PM filter and an exhaust flow rate. In response to a determination that regeneration is needed, the control circuit: controls an operating parameter of an engine to increase an exhaust temperature to a first temperature during a first period; after the first period, activates the first zone; deactivates the first zone in response to a minimum filter face temperature being reached; subsequent to deactivating the first zone, activates a second zone; and deactivates the second zone in response to the minimum filter face temperature being reached.

  1. Managing Commercial Tree Species for Timber Production and Carbon Sequestration: Management Guidelines and Financial Returns

    SciTech Connect (OSTI)

    Gary D. Kronrad

    2006-09-19

    A carbon credit market is developing in the United States. Information is needed by buyers and sellers of carbon credits so that the market functions equitably and efficiently. Analyses have been conducted to determine the optimal forest management regime to employ for each of the major commercial tree species so that profitability of timber production only or the combination of timber production and carbon sequestration is maximized. Because the potential of a forest ecosystem to sequester carbon depends on the tree species, site quality and management regimes utilized, analyses have determined how to optimize carbon sequestration by determining how to optimally manage each species, given a range of site qualities, discount rates, prices of carbon credits and other economic variables. The effects of a carbon credit market on the method and profitability of forest management, the cost of sequestering carbon, the amount of carbon that can be sequestered, and the amount of timber products produced has been determined.

  2. A methodology for generating dynamic accident progression event trees for level-2 PRA

    SciTech Connect (OSTI)

    Hakobyan, A.; Denning, R.; Aldemir, T. [Ohio State Univ., Nuclear Engineering Program, 650 Ackerman Road, Columbus, OH 43202 (United States); Dunagan, S.; Kunsman, D. [Sandia National Laboratory, Albuquerque, NM 87185 (United States)

    2006-07-01

    Currently, the development and analysis of Accident Progression Event Trees (APETs) are performed in a manner that is computationally time consuming, difficult to reproduce and also can be phenomenologically inconsistent. A software tool (ADAPT) is described for automated APET generation using the concept of dynamic event trees. The tool determines the branching times from a severe accident analysis code based on user specified criteria for branching. It assigns user specified probabilities to every branch, tracks the total branch probability, and truncates branches based on the given pruning/truncation rules to avoid an unmanageable number of scenarios. While the software tool could be applied to any systems analysis code, the MELCOR code is used for this illustration. A case study is presented involving station blackout with the loss of auxiliary feedwater system for a pressurized water reactor. (authors)

  3. Predicting Whole Forest Structure, Primary Productivity, and Biomass Density From Maximum Tree Size and Resource Limitations

    E-Print Network [OSTI]

    Kempes, Christopher P; Dooris, William; West, Geoffrey B

    2015-01-01

    In the face of uncertain biological response to climate change and the many critiques concerning model complexity it is increasingly important to develop predictive mechanistic frameworks that capture the dominant features of ecological communities and their dependencies on environmental factors. This is particularly important for critical global processes such as biomass changes, carbon export, and biogenic climate feedback. Past efforts have successfully understood a broad spectrum of plant and community traits across a range of biological diversity and body size, including tree size distributions and maximum tree height, from mechanical, hydrodynamic, and resource constraints. Recently it was shown that global scaling relationships for net primary productivity are correlated with local meteorology and the overall biomass density within a forest. Along with previous efforts, this highlights the connection between widely observed allometric relationships and predictive ecology. An emerging goal of ecological...

  4. Injectivity Testing for Vapour Dominated Feed Zones

    SciTech Connect (OSTI)

    Clotworthy, A.W.; Hingoyon, C.S.

    1995-01-01

    Wells with vapor dominated feed zones yield abnormal pressure data. This is caused by the condensation of vapor during water injection. A revised injectivity test procedure currently applied by PNOC at the Leyte Geothermal Power Project has improved the injectivity test results.

  5. Original article Spatial and altitudinal bioclimatic zones

    E-Print Network [OSTI]

    Biondi, Franco

    bioclimatic zones and forest types. © 2005 Elsevier SAS. All rights reserved. Keywords: Dendroecology.elsevier.com/locate/actoec 1146-609X/$ - see front matter © 2005 Elsevier SAS. All rights reserved. doi:10.1016/j.actao.2005; accepted 20 January 2005 Available online 02 March 2005 Abstract A network of 24 beech (Fagus sylvatica L

  6. Vadose Zone Modeling Applied to Stormwater Infiltration

    E-Print Network [OSTI]

    Clark, Shirley E.

    ? Infiltration Applications (not bio- infiltration) Long Island Recharge 3-day Study (silty underlayer) #121 Vadose Zone Modeling Applied to Stormwater Infiltration Shirley E. Clark, Ph.D., P.E. J. Bradley Mikula, M.S. Katherine H. Baker, Ph.D. Benefits of Urban Stormwater Infiltration? 0

  7. KALELE ROAD PARKING PERMIT ZONESPARKING PERMIT ZONES

    E-Print Network [OSTI]

    Greenhouses Institute for Astronomy University of Hawai`i Press Federal Credit Union Energy House & SafetyFREEWAY H1 KALELE ROAD PARKING PERMIT ZONESPARKING PERMIT ZONES 2010 - 20112010 - 2011 Parking Services Office · 2600 Campus Road, Room 014 · Honolulu, HI 96822 · www.hawaii.edu/parking · parking

  8. More Grass from Controlling Trees and Brush with Chemicals. 

    E-Print Network [OSTI]

    Walker, A. H.

    1955-01-01

    , black gum, elm, sweet gum, 1 lb. 2,4,5-T in 6 gal. Dec.-March Apply in frills at base of sycamore, water oak diesel oil or kerosene May-August tree or on freshly cut ' stumps. I L Blackjack oak, bur oak, post oak, 1 lb. 2,4,5-T in 6 gal. Bec....-March Apply to freshly cut stumps ! red oak diesel oil or kerosene May-August or trunk base of standin? trees. On all trees over 6" thick make frills and treat. ' 1 Lote, mesquite diesel...

  9. Development Wells At Long Valley Caldera Geothermal Area (Associates...

    Open Energy Info (EERE)

    to about 610 m depth in a deep fault zone on the east side of the field. References Environmental Science Associates (1987) Mammoth Pacific Geothermal Development Projects:...

  10. Shaping urban form without zoning: a case study of houston 

    E-Print Network [OSTI]

    Qian, Zhu

    2009-05-15

    Houston is the only major city in North America without zoning. The growth of Houston illustrates a traditional free market philosophy in which land use zoning is seen as a violation to private property and personal liberty. This dissertation...

  11. oZONE Faculty and Staff Enrolling Students

    E-Print Network [OSTI]

    Oklahoma, University of

    oZONE Faculty and Staff Enrolling Students Log in to ozone.ou.edu. Click the Advising tab. Please lecture schedule CRN ­ Course Reference Number In oZONE the Registration Add Errors will display one

  12. Reference Buildings by Climate Zone and Representative City:...

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

    Climate Zone and Representative City: 2B Phoenix, Arizona Reference Buildings by Climate Zone and Representative City: 2B Phoenix, Arizona In addition to the ZIP file for each...

  13. www.VadoseZoneJournal.org | 11072010, Vol. 9 Understanding Vineyard Soils

    E-Print Network [OSTI]

    Hubbard, Susan

    www.VadoseZoneJournal.org | 11072010, Vol. 9 Understanding Vineyard Soils Robert E. White. Oxford developing and cultivating vineyards, soil properties and their variations are often not considered with a particular wine. As a hydrogeolo- gist, I find the sensitivity of wine grape expression to climatic and soil

  14. Presented at 2007 EWRI Congress. VADOSE ZONE MODELING APPLIED TO STORMWATER INFILTRATION

    E-Print Network [OSTI]

    Clark, Shirley E.

    Presented at 2007 EWRI Congress. VADOSE ZONE MODELING APPLIED TO STORMWATER INFILTRATION J. Bradley Stormwater managers use infiltration to promote groundwater recharge in urban areas and to reduce the volume and flow rate of stormwater runoff created by post development conditions. However, the potential

  15. Construction of Evolutionary Tree for Morphological Engineering of

    E-Print Network [OSTI]

    Huang, Jiaxing

    Construction of Evolutionary Tree for Morphological Engineering of Nanoparticles Kwonnam Sohn of Materials Science and Engineering, Northwestern University, Evanston, Illinois 60208-3108, and Department of Chemistry and Biochemistry, California State University, Los Angeles, California 90032 N anoparticles

  16. Regeneration ecology of broadleaved trees in Caledonian Forest 

    E-Print Network [OSTI]

    Ogilvy, Tanya

    This thesis quantifies aspects of shade tolerance in tree seedlings of species native to the Caledonian pinewood ecosystems of Glen Affric (Highland Region, Inverness-shire). Growth, allocation and morphological responses ...

  17. A Magnetic Retrieval System for Stents in the Pancreaticobiliary Tree

    E-Print Network [OSTI]

    Cantillon-Murphy, Padraig

    Clinical endoscopic intervention of the pancreaticobiliary tree [endoscopic retrograde cholangiopancreatography (ERCP)] often concludes with the insertion of a temporary plastic stent to reduce the risk of post-ERCP ...

  18. ORIGINAL PAPER Fire frequency and tree canopy structure influence plant

    E-Print Network [OSTI]

    Minnesota, University of

    composition (Huston 1994). Ecological theory predicts important linkages between disturbance frequency frequencies and severities that minimize species losses due to competitive exclusion and direct disturbanceORIGINAL PAPER Fire frequency and tree canopy structure influence plant species diversity

  19. Design of a tree root ball transporting device

    E-Print Network [OSTI]

    Grossman, Christopher (Christopher M.)

    2007-01-01

    Tree root balls from nurseries are often too heavy for one or two people to lift and plant, but powerful machinery can be expensive for small landscaping organizations or the weekend home gardener. This thesis intends to ...

  20. Arc-Eager Parsing with the Tree Constraint Joakim Nivre

    E-Print Network [OSTI]

    Arc-Eager Parsing with the Tree Constraint Joakim Nivre Uppsala University Daniel Fern for greedy deterministic dependency parsers (Nivre, Hall, and Nilsson 2004; Goldberg and Nivre 2012), beam

  1. Enhanced the expression of an apple gene that switches on a tree's natural defenses

    E-Print Network [OSTI]

    · Enhanced the expression of an apple gene that switches on a tree's natural defenses when fire the roots and killing the tree. Fire blight can kill an apple tree in as little as 30 days. It's called fire Sundin/MSU George Sundin/MSU #12;Enhanced the expression of an apple gene that switches on a tree

  2. Dr. Bruce Zobel founder of the Cooperative Forest Tree Improvement Program in Texas and

    E-Print Network [OSTI]

    ..................................................................................................................... 12 The Urban Tree Improvement Program ...................................................................................................................................................... 13 Seed Orchards ............................................................................................................................................... 13 Orchard Establishment and Roguing

  3. Fungal Diversity Ceratocystis neglecta sp. nov., infecting Eucalyptus trees in Colombia

    E-Print Network [OSTI]

    Fungal Diversity 73 Ceratocystis neglecta sp. nov., infecting Eucalyptus trees in Colombia Rodas, C Eucalyptus trees in Colombia. Fungal Diversity 28: 73-84. Commercial plantation forestry utilising species of non-native Eucalyptus trees forms an important industry in Colombia. These trees are, however

  4. Real Christmas Trees Save Water1 by Ker Than for National Geographic News2

    E-Print Network [OSTI]

    South Bohemia, University of

    fake trees." Artificial trees are made from a kind of plastic called polyvinyl chloride, which, and insects.19 20 Mulch and More21 Once the holidays are over, real Christmas trees can be recycled, often York City, for example, old Christmas trees are chipped and used as mulch in Central Park23

  5. SOFIC TREE-SHIFTS NATHALIE AUBRUN AND MARIE-PIERRE BEAL

    E-Print Network [OSTI]

    Paris-Sud XI, Université de

    synchronized one, called the Fischer automaton of the tree-shift. We define the notion of almost of finite type-shifts and irreducible sofic tree-shifts. We characterize the Fischer automaton of an almost of finite type tree-shift and we design an algorithm to check whether a sofic tree-shift is almost of finite type. We prove

  6. Demonstration of 12 nm resolution Fresnel zone plate lens based soft x-ray microscopy

    E-Print Network [OSTI]

    Chao, W.

    2010-01-01

    of 12 nm Resolution Fresnel Zone Plate Lens based Soft X-raynanofabrication process for Fresnel zone plate lenses. Theoptical performance of Fresnel zone plate lens based imaging

  7. oZONE Faculty and Staff Exporting and Importing Grades

    E-Print Network [OSTI]

    Oklahoma, University of

    oZONE Faculty and Staff Exporting and Importing Grades Exporting/Importing Grades in oZONE The new - Log in to ozone.ou.edu using your OU Net ID (4+4) as you would in any other OU system. Click Importing Grades from a Exported oZONE template If you exported a course template from the oZONE grading

  8. Surf zone eddies coupled with rip current morphology

    E-Print Network [OSTI]

    Kirby, James T.

    Surf zone eddies coupled with rip current morphology Jamie H. MacMahan Oceanography Department. Thornton, and T. P. Stanton (2004), Surf zone eddies coupled with rip current morphology, J. Geophys. Res) surf zone eddies (SZEs) were observed on a beach composed of shore-connected shoals with quasi

  9. oZONE Faculty and Staff Course Overrides

    E-Print Network [OSTI]

    Oklahoma, University of

    oZONE Faculty and Staff Course Overrides and the Registration Add Errors They Resolve Departments of the overrides within the registration component of oZONE. We have, however, retained a few instances where some. There is also a link to this document on the Student Training and Instructions page in the oZONE info site

  10. Form-based zoning : what place is this code?

    E-Print Network [OSTI]

    Mehta, Shilpa, M.C.P. Massachusetts Institute of Technology

    2006-01-01

    Form-based zoning is a relatively recent innovation in zoning reform. Many cities in the U.S. have adopted form-based codes in lieu of or as a supplement to conventional zoning and many more are in the process of studying ...

  11. a bStomach Lung cell zone Clara cell

    E-Print Network [OSTI]

    Krasnow, Mark A.

    a bStomach Lung Chief-cell zone Stem-cell zone Mucus- cell zone Clara cell Tracheal airway Basal independent studies show that, if push comes to shove, differentiated cells of the stomach and lung can act and the other by Stange et al.2 published in Cell, find that followingdepletionofstemcellsinthestomach or lung

  12. Diffraction theory for azimuthally structured Fresnel zone plate

    E-Print Network [OSTI]

    Jahns, Jürgen

    Diffraction theory for azimuthally structured Fresnel zone plate Thordis Vierke and Jürgen Jahns A conventional Fresnel zone plate (FZP) consists of concentric rings with an alternating binary transmission of zero and one. In an azimuthally structured Fresnel zone plate (aFZP), the light transmission

  13. Comprehensive focusing analysis of various Fresnel zone plates

    E-Print Network [OSTI]

    Jahns, Jürgen

    Comprehensive focusing analysis of various Fresnel zone plates Qing Cao and Ju¨rgen Jahns Optische and the linear superposition principle, of the focusing performances of various Fresnel zone plates. Many similarity between Fresnel zone plates and multilevel diffractive lenses, most of the obtained results

  14. Modified Fresnel zone plates that produce sharp Gaussian focal spots

    E-Print Network [OSTI]

    Jahns, Jürgen

    Modified Fresnel zone plates that produce sharp Gaussian focal spots Qing Cao and Ju¨rgen Jahns Fresnel zone plate that can produce an approximate Gaussian focal spot is proposed for the focusing of 7.7 nm can be produced by a modified Fresnel zone plate with a minimum structure size of 30 nm

  15. Analysis of offsite emergency planning zones project

    SciTech Connect (OSTI)

    Petrocchi, A.J.; Armstrong, C.E. . Rocky Flats Plant); McKinney, J.M.; Verholek, M.G.; Fraser, P.J.; Dalfonso, P.H. )

    1991-07-18

    The Rocky Flats Plant maintains and uses significant nonradioactive chemically hazardous material (HAZMAT) inventories. Some of these materials are used in sufficient quantities to represent a credible risk to the offsite public in the event of an emergency at the facility. In Phase 2 of this project, the EG G Rocky Flats, Inc. and TENERA, L.P. Task Team (Task Team) produced an initial screening-level modeling analysis study and an Emergency Planning Zone (EPZ) encompassing the Vulnerable Zones (VZs) for hazardous materials stored at the facility. The screening-level analysis will be supplemented with more refined evaluations during subsequent phases of the project. The existence of these chemicals in the Rocky Flats Plant Occupational Health Information System (OHIS) chemical inventory database was verified. All liquid and gaseous chemicals were considered as potential hazardous material source terms for further screening analysis. Hazards associated with solid substances were not considered in this phase of the project. 2 figs., 13 tabs.

  16. Boullier The fault zone geology 1 Fault zone geology: lessons from drilling through the Nojima and 1

    E-Print Network [OSTI]

    Boyer, Edmond

    Boullier The fault zone geology 1 Fault zone geology: lessons from active faults with the aim of 11 learning about the geology of the fault all 18 their objectives, have still contributed to a better geological

  17. Diesel particulate filter with zoned resistive heater

    DOE Patents [OSTI]

    Gonze, Eugene V [Pinckney, MI

    2011-03-08

    A diesel particulate filter assembly comprises a diesel particulate filter (DPF) and a heater assembly. The DPF filters a particulate from exhaust produced by an engine. The heater assembly has a first metallic layer that is applied to the DPF, a resistive layer that is applied to the first metallic layer, and a second metallic layer that is applied to the resistive layer. The second metallic layer is etched to form a plurality of zones.

  18. Capillary zone electrophoresis-mass spectrometer interface

    DOE Patents [OSTI]

    D`Silva, A.

    1996-08-06

    A device for providing equal electrical potential between two loci unconnected by solid or liquid electrical conductors is provided. The device comprises a first electrical conducting terminal, a second electrical conducting terminal connected to the first terminal by a rigid dielectric structure, and an electrically conducting gas contacting the first and second terminals. This device is particularly suitable for application in the electrospray ionization interface between a capillary zone electrophoresis apparatus and a mass spectrometer. 1 fig.

  19. Zoning and Permitting Resources | Department of Energy

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on DeliciousMathematics And Statistics » USAJobsMotion to Withdraw | Department ofMay 2014 NewsletterZoning and

  20. Deep Vadose Zone-Applied Field Research Initiative Fiscal Year 2011 Annual Report

    SciTech Connect (OSTI)

    Wellman, Dawn M.; Johnson, Timothy C.; Smith, Ronald M.; Truex, Michael J.; Matthews, Hope E.

    2011-10-01

    This annual report describes the background of the Deep Vadose Zone-Applied Field Research Initiative, and some of the programmatic approaches and transformational technologies in groundwater and deep vadose zone remediation developed during fiscal year 2011. The Department of Energy (DOE) Office of Technology Innovation and Development's (OTID) mission is to transform science into viable solutions for environmental cleanup. In 2010, OTID developed the Impact Plan, Science and Technology to Reduce the Life Cycle Cost of Closure to outline the benefits of research and development of the lifecycle cost of cleanup across the DOE complex. This plan outlines OTID's ability to reduce by $50 billion, the $200 billion life-cycle cost in waste processing, groundwater and soil, nuclear materials, and deactivation and decommissioning. The projected life-cycle costs and return on investment are based on actual savings realized from technology innovation, development, and insertion into remedial strategies and schedules at the Fernald, Mound, and Ashtabula sites. To achieve our goals, OTID developed Applied Field Research Initiatives to facilitate and accelerate collaborative development and implementation of new tools and approaches that reduce risk, cost and time for site closure. The primary mission of the Deep Vadose Zone-Applied Field Research Initiative (DVZ-AFRI) is to protect our nation's water resources, keeping them clean and safe for future generations. The DVZ-AFRI was established for the DOE to develop effective, science-based solutions for remediating, characterizing, monitoring, and predicting the behavior and fate of deep vadose zone contamination. Subsurface contaminants include radionuclides, metals, organics, and liquid waste that originated from various sources, including legacy waste from the nation's nuclear weapons complexes. The DVZ-AFRI project team is translating strategy into action by working to solve these complex challenges in a collaborative environment that leverages technology and scientific expertise from DOE, Pacific Northwest National Laboratory, CH2M HILL Plateau Remediation Company, and the broad scientific research community. As project manager for the DVZ-AFRI, I have had the privilege this past year to team with creative, talented members of the scientific community nationwide to develop effective long-term solutions to address deep vadose zone contamination. This report highlights how the DVZ-AFRI project team is delivering results by achieving significant programmatic accomplishments, and developing and field-testing transformational technologies to address the nation's most pressing groundwater and vadose zone contamination problems.

  1. Gas-Phase Treatment of Technetium in the Vadose Zone at the Hanford Site Central Plateau

    SciTech Connect (OSTI)

    Truex, Michael J.; Szecsody, James E.; Zhong, Lirong; Qafoku, Nikolla

    2014-09-01

    Technetium-99 (Tc-99) is present in the vadose zone of the Hanford Central Plateau and is a concern with respect to the protection of groundwater. The persistence, limited natural attenuation mechanisms, and geochemical behavior of Tc-99 in oxic vadose zone environments must be considered in developing effective alternatives for remediation. This report describes a new in situ geochemical manipulation technique for decreasing Tc-99 mobility using a combination of geochemical Tc-99 reduction with hydrogen sulfide gas and induced sediment mineral dissolution with ammonia vapor, which create conditions for deposition of stable precipitates that decrease the mobility of Tc-99. Laboratory experiments were conducted to examine changes in Tc-99 mobility in vadose zone sediment samples to evaluate the effectiveness of the treatment under a variety of operational and sediment conditions.

  2. Drought-influenced mortality of tree species with different predawn leaf water dynamics in a decade-long study of a central US forest

    DOE Public Access Gateway for Energy & Science Beta (PAGES Beta)

    Gu, L.; Pallardy, S. G.; Hosman, K. P.; Sun, Y.

    2015-05-18

    Using decade-long continuous observations of tree mortality and predawn leaf water potential (?pd) at the Missouri Ozark AmeriFlux (MOFLUX) site, we studied how the mortality of important tree species varied and how such variations may be predicted. Water stress determined inter-annual variations in tree mortality with a time delay of 1 year or more, which was correlated fairly tightly with a number of quantitative predictors formulated based on ?pd and precipitation regimes. Predictors based on temperature and vapor pressure deficit anomalies worked reasonably well, particularly for moderate droughts. The exceptional drought of the year 2012 drastically increased the mortality ofmore »all species, including drought-tolerant oaks, in the subsequent year. The drought-influenced tree mortality was related to the species position along the spectrum of ?pd regulation capacity with those in either ends of the spectrum being associated with elevated risk of death. Regardless of species and drought intensity, the ?pd of all species recovered rapidly after sufficiently intense rain events in all droughts. This result, together with a lack of immediate leaf and branch desiccation, suggests an absence of catastrophic hydraulic disconnection in the xylem and that tree death was caused by significant but indirect effects. Species differences in the capacity of regulating ?pd and its temporal integral were magnified under moderate drought intensities but diminished towards wet and dry extremes. Severe droughts may overwhelm the capacity of even drought-tolerant species to maintain differential levels of water potential as the soil becomes exhausted of available water in the rooting zone, thus rendering them more susceptible to death if predisposed by other factors such as age.« less

  3. Yucca Mountain Area Saturated Zone Dissolved Organic Carbon Isotopic Data

    SciTech Connect (OSTI)

    Thomas, James; Decker, David; Patterson, Gary; Peterman, Zell; Mihevc, Todd; Larsen, Jessica; Hershey, Ronald

    2007-06-25

    Groundwater samples in the Yucca Mountain area were collected for chemical and isotopic analyses and measurements of water temperature, pH, specific conductivity, and alkalinity were obtained at the well or spring at the time of sampling. For this project, groundwater samples were analyzed for major-ion chemistry, deuterium, oxygen-18, and carbon isotopes of dissolved inorganic carbon (DIC) and dissolved organic carbon (DOC). The U.S. Geological Survey (USGS) performed all the fieldwork on this project including measurement of water chemistry field parameters and sample collection. The major ions dissolved in the groundwater, deuterium, oxygen-18, and carbon isotopes of dissolved inorganic carbon (DIC) were analyzed by the USGS. All preparation and processing of samples for DOC carbon isotopic analyses and geochemical modeling were performed by the Desert Research Institute (DRI). Analysis of the DOC carbon dioxide gas produced at DRI to obtain carbon-13 and carbon-14 values was conducted at the University of Arizona Accelerator Facility (a NSHE Yucca Mountain project QA qualified contract facility). The major-ion chemistry, deuterium, oxygen-18, and carbon isotopes of DIC were used in geochemical modeling (NETPATH) to determine groundwater sources, flow paths, mixing, and ages. The carbon isotopes of DOC were used to calculate groundwater ages that are independent of DIC model corrected carbon-14 ages. The DIC model corrected carbon-14 calculated ages were used to evaluate groundwater travel times for mixtures of water including water beneath Yucca Mountain. When possible, groundwater travel times were calculated for groundwater flow from beneath Yucca Mountain to down gradient sample sites. DOC carbon-14 groundwater ages were also calculated for groundwaters in the Yucca Mountain area. When possible, groundwater travel times were estimated for groundwater flow from beneath Yucca Mountain to down gradient groundwater sample sites using the DOC calculated groundwater ages. The DIC calculated groundwater ages were compared with DOC calculated groundwater ages and both of these ages were compared to travel times developed in ground-water flow and transport models. If nuclear waste is stored in Yucca Mountain, the saturated zone is the final barrier against the release of radionuclides to the environment. The most recent rendition of the TSPA takes little credit for the presence of the saturated zone and is a testament to the inadequate understanding of this important barrier. If radionuclides reach the saturated zone beneath Yucca Mountain, then there is a travel time before they would leave the Yucca Mountain area and flow down gradient to the Amargosa Valley area. Knowing how long it takes groundwater in the saturated zone to flow from beneath Yucca Mountain to down gradient areas is critical information for potential radionuclide transport. Radionuclide transport in groundwater may be the quickest pathway for radionuclides in the proposed Yucca Mountain repository to reach land surface by way of groundwater pumped in Amargosa Valley. An alternative approach to ground-water flow and transport models to determine the travel time of radionuclides from beneath Yucca Mountain to down gradient areas in the saturated zone is by carbon-14 dating of both inorganic and organic carbon dissolved in the groundwater. A standard method of determining ground-water ages is to measure the carbon-13 and carbon-14 of DIC in the groundwater and then correct the measured carbon-14 along a flow path for geochemical reactions that involve carbon containing phases. These geochemical reactions are constrained by carbon-13 and isotopic fractionations. Without correcting for geochemical reactions, the ground-water ages calculated from only the differences in carbon-14 measured along a flow path (assuming the decrease in carbon-14 is due strictly to radioactive decay) could be tens of thousands of years too old. The computer program NETPATH, developed by the USGS, is the best geochemical program for correcting carbon-14 activities for geochemical r

  4. Ethan Burns (UNH) Iterative-deepening Search with On-line Tree Size Prediction 1 / 30 Iterative-deepening Search with On-line Tree Size Prediction

    E-Print Network [OSTI]

    Ruml, Wheeler

    Ethan Burns (UNH) Iterative-deepening Search with On-line Tree Size Prediction ­ 1 / 30 Iterative-deepening Search with On-line Tree Size Prediction Ethan Burns and Wheeler Ruml {eaburns, ruml} at cs Evaluation Ethan Burns (UNH) Iterative-deepening Search with On-line Tree Size Prediction ­ 2 / 30 On

  5. Rehabilitating Damaged Urban SoilsRehabilitating Damaged Urban Soils to OptimizeTree Establishment and Growth & Improve Soil Functionto OptimizeTree Establishment and Growth & Improve Soil Function

    E-Print Network [OSTI]

    Virginia Tech

    Rehabilitating Damaged Urban SoilsRehabilitating Damaged Urban Soils to OptimizeTree Establishment and Growth & Improve Soil Functionto OptimizeTree Establishment and Growth & Improve Soil Function Rachel of Crop and Soil Environmental Sciences This project is funded in part by theTree Research and Education

  6. Vadose zone transport field study: Detailed test plan for simulated leak tests

    SciTech Connect (OSTI)

    AL Ward; GW Gee

    2000-06-23

    The US Department of Energy (DOE) Groundwater/Vadose Zone Integration Project Science and Technology initiative was created in FY 1999 to reduce the uncertainty associated with vadose zone transport processes beneath waste sites at DOE's Hanford Site near Richland, Washington. This information is needed not only to evaluate the risks from transport, but also to support the adoption of measures for minimizing impacts to the groundwater and surrounding environment. The principal uncertainties in vadose zone transport are the current distribution of source contaminants and the natural heterogeneity of the soil in which the contaminants reside. Oversimplified conceptual models resulting from these uncertainties and limited use of hydrologic characterization and monitoring technologies have hampered the understanding contaminant migration through Hanford's vadose zone. Essential prerequisites for reducing vadose transport uncertainly include the development of accurate conceptual models and the development or adoption of monitoring techniques capable of delineating the current distributions of source contaminants and characterizing natural site heterogeneity. The Vadose Zone Transport Field Study (VZTFS) was conceived as part of the initiative to address the major uncertainties confronting vadose zone fate and transport predictions at the Hanford Site and to overcome the limitations of previous characterization attempts. Pacific Northwest National Laboratory (PNNL) is managing the VZTFS for DOE. The VZTFS will conduct field investigations that will improve the understanding of field-scale transport and lead to the development or identification of efficient and cost-effective characterization methods. Ideally, these methods will capture the extent of contaminant plumes using existing infrastructure (i.e., more than 1,300 steel-cased boreholes). The objectives of the VZTFS are to conduct controlled transport experiments at well-instrumented field sites at Hanford to: identify mechanisms controlling transport processes in soils typical of the hydrogeologic conditions of Hanford's waste disposal sites; reduce uncertainty in conceptual models; develop a detailed and accurate database of hydraulic and transport parameters for validation of three-dimensional numerical models; identify and evaluate advanced, cost-effective characterization methods with the potential to assess changing conditions in the vadose zone, particularly as surrogates of currently undetectable high-risk contaminants. This plan provides details for conducting field tests during FY 2000 to accomplish these objectives. Details of additional testing during FY 2001 and FY 2002 will be developed as part of the work planning process implemented by the Integration Project.

  7. Analysis of offsite Emergency Planning Zones for Rocky Flats Plant

    SciTech Connect (OSTI)

    Inger, J.R. ); Brown-Strattan, M.A. . Rocky Flats Plant)

    1991-01-01

    The purpose of this quality assurance program was to ensure the quality and technical adequacy of Phase 2 of the Analysis of Offsite Emergency Planning Zones (EPZ) for the Rocky Flats Plant project. Quality assurance was accomplished by managing and controlling the processes in the development of the product. The quality assurance task team conducted audits, reviews, and surveillances of project and related activities. This process contributed to identifying areas where the quality assurance plan was not fully implemented, areas needing improvement, and/or corrective actions resulting in a improved product. During the reviews and audits, several key areas were identified where quality assurance plan implementation needed to be improved. These areas included maintaining adequate documentation, reviewing technical results, making inputs traceable to technical results, and understanding that all personnel are responsible for quality.

  8. Western Shallow Oil Zone, Elk Hills Field, Kern County, California:

    SciTech Connect (OSTI)

    Carey, K.B.

    1987-09-01

    The general Reservoir Study of the Western Shallow Oil Zone was prepared by Evans, Carey and Crozier as Task Assignment 009 with the United States Department of Energy. This study, Appendix II addresses the first Wilhelm Sands and its sub unites and pools. Basic pressure, production and assorted technical data were provided by the US Department of Energy staff at Elk Hills. These data were accepted as furnished with no attempt being made by Evans, Carey and Crozier for independent verification. This study has identified the petrophysical properties and the past productive performance of the reservoir. Primary reserves have been determined and general means of enhancing future recovery have been suggested. It is hoped that this volume can now additionally serve as a take off point for exploitation engineers to develop specific programs toward the end.

  9. GENETIC MODIFICATION OF GIBBERELLIC ACID SIGNALING TO PROMOTE CARBON SEQUESTRATION IN TREE ROOTS AND STEMS

    SciTech Connect (OSTI)

    Busov, Victor

    2013-03-05

    Semidwarfism has been used extensively in row crops and horticulture to promote yield, reduce lodging, and improve harvest index, and it might have similar benefits for trees for short-rotation forestry or energy plantations, reclamation, phytoremediation, or other applications. We studied the effects of the dominant semidwarfism transgenes GA Insensitive (GAI) and Repressor of GAI-Like, which affect gibberellin (GA) action, and the GA catabolic gene, GA 2-oxidase, in nursery beds and in 2-year-old high-density stands of hybrid poplar (Populus tremula ? Populus alba). Twenty-nine traits were analyzed, including measures of growth, morphology, and physiology. Endogenous GA levels were modified in most transgenic events; GA(20) and GA(8), in particular, had strong inverse associations with tree height. Nearly all measured traits varied significantly among genotypes, and several traits interacted with planting density, including aboveground biomass, root-shoot ratio, root fraction, branch angle, and crown depth. Semidwarfism promoted biomass allocation to roots over shoots and substantially increased rooting efficiency with most genes tested. The increased root proportion and increased leaf chlorophyll levels were associated with changes in leaf carbon isotope discrimination, indicating altered water use efficiency. Semidwarf trees had dramatically reduced growth when in direct competition with wild-type trees, supporting the hypothesis that semidwarfism genes could be effective tools to mitigate the spread of exotic, hybrid, and transgenic plants in wild and feral populations. We modified gibberellin (GA) metabolism and signaling in transgenic poplars using dominant transgenes and studied their effects for 3 years under field conditions. The transgenes that we employed either reduced the bioactive GAs, or attenuated their signaling. The majority of transgenic trees had significant and in many cases dramatic changes in height, crown architecture, foliage morphology, flowering onset, floral structure, and vegetative phenology. Most transgenes elicited various levels of height reduction consistent with the roles of GA in elongation growth. Several other growth traits were proportionally reduced, including branch length, internode distance, and leaf length. In contrast to elongation growth, stem diameter growth was much less affected, suggesting that semi-dwarf trees in dense stands might provide high levels of biomass production and carbon sequestration. The severity of phenotypic effects was strongly correlated with transgene expression among independent transgenic events, but often in a non-linear manner, the form of which varied widely among constructs. The majority of semi-dwarfed, transgenic plants showed delayed bud flush and early bud set, and expression of a native GAI transgene accelerated first time flowering in the field. All of the phenotypic changes observed in multiple years were stable over the 3 years of field study. Our results suggest that transgenic modification of GA action may be useful for producing semi-dwarf trees with modified growth and morphology for horticulture and other uses. We studied the poplar C(19) gibberellin 2-oxidase (GA2ox) gene subfamily. We show that a set of paralogous gene pairs differentially regulate shoot and root development. ? PtGA2ox4 and its paralogous gene PtGA2ox5 are primarily expressed in aerial organs, and overexpression of PtGA2ox5 produced a strong dwarfing phenotype characteristic of GA deficiency. Suppression of PtGA2ox4 and PtGA2ox5 led to increased biomass growth, but had no effect on root development. By contrast, the PtGA2ox2 and PtGA2ox7 paralogous pair was predominantly expressed in roots, and when these two genes were RNAi-suppressed it led to a decrease of root biomass. ? The morphological changes in the transgenic plants were underpinned by tissue-specific increases in bioactive GAs that corresponded to the predominant native expression of the targeted paralogous gene pair. Although RNAi suppression of both paralogous pairs led to changes in wood developmen

  10. A multifactor analysis of fungal and bacterial community structure of the root microbiome of mature Populus deltoides trees

    SciTech Connect (OSTI)

    Shakya, Migun; Gottel, Neil R; Castro Gonzalez, Hector F; Yang, Zamin; Gunter, Lee E; Labbe, Jessy L; Muchero, Wellington; Bonito, Gregory; Vilgalys, Rytas; Tuskan, Gerald A; Podar, Mircea; Schadt, Christopher Warren

    2013-01-01

    Bacterial and fungal communities associated with plant roots are central to the host- health, survival and growth. However, a robust understanding of root-microbiome and the factors that drive host associated microbial community structure have remained elusive, especially in mature perennial plants from natural settings. Here, we investigated relationships of bacterial and fungal communities in the rhizosphere and root endosphere of the riparian tree species Populus deltoides, and the influence of soil parameters, environmental properties (host phenotype and aboveground environmental settings), host plant genotype (Simple Sequence Repeat (SSR) markers), season (Spring vs. Fall) and geographic setting (at scales from regional watersheds to local riparian zones) on microbial community structure. Each of the trees sampled displayed unique aspects to it s associated community structure with high numbers of Operational Taxonomic Units (OTUs) specific to an individual trees (bacteria >90%, fungi >60%). Over the diverse conditions surveyed only a small number of OTUs were common to all samples within rhizosphere (35 bacterial and 4 fungal) and endosphere (1 bacterial and 1 fungal) microbiomes. As expected, Proteobacteria and Ascomycota were dominant in root communities (>50%) while other higher-level phylogenetic groups (Chytridiomycota, Acidobacteria) displayed greatly reduced abundance in endosphere compared to the rhizosphere. Variance partitioning partially explained differences in microbiome composition between all sampled roots on the basis of seasonal and soil properties (4% to 23%). While most variation remains unattributed, we observed significant differences in the microbiota between watersheds (Tennessee vs. North Carolina) and seasons (Spring vs. Fall). SSR markers clearly delineated two host populations associated with the samples taken in TN vs. NC, but overall genotypic distances did not have a significant effect on corresponding communities that could be separated from other measured effects.

  11. ZipZone Technologies | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page| Open Energy Information Serbia-EnhancingEtGeorgia:Illinois:WizardYates County,Zena, NewZhuluZipZone Technologies Jump

  12. Displacement Transfer Zone | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on QA:QA J-E-1 SECTIONRobertsdale, Alabama (UtilityInstrumentsArea (DOE GTP)Displacement Transfer Zone Jump to:

  13. Pellet Zone Ltd | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on QA:QAsource History ViewMayo, Maryland:NPIProtectio Program |ViewIllinois: EnergyPelham, New Hampshire:Zone Ltd Jump

  14. Climate Zone 7B | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on QA:QA J-E-1 SECTIONRobertsdale, Alabama (Utility Company) Jump to:NewMinnesota:Protection Action2B Jump5BClimate Zone

  15. Coastal Zone Management Act | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on QA:QA J-E-1 SECTIONRobertsdale, Alabama (Utility Company) JumpIowa: Energy ResourcesCreek,Coastal Zone Management Act

  16. Climate Zone Subtype A | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on QA:QA J-E-1 SECTION J APPENDIX ECoopButtePower Ventures Jump to: navigation, search Name:Climate Zone Number 2Subtype A

  17. Climate Zone Subtype B | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on QA:QA J-E-1 SECTION J APPENDIX ECoopButtePower Ventures Jump to: navigation, search Name:Climate Zone Number 2Subtype

  18. Climate Zone Subtype C | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on QA:QA J-E-1 SECTION J APPENDIX ECoopButtePower Ventures Jump to: navigation, search Name:Climate Zone Number

  19. Climate Zone Number 2 | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on QA:QA J-E-1 SECTION J APPENDIX ECoopButtePower Ventures Jump to: navigation, search Name:Climate Zone Number 2 Jump to:

  20. Climate Zone Number 3 | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on QA:QA J-E-1 SECTION J APPENDIX ECoopButtePower Ventures Jump to: navigation, search Name:Climate Zone Number 2 Jump

  1. Climate Zone Number 5 | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on QA:QA J-E-1 SECTION J APPENDIX ECoopButtePower Ventures Jump to: navigation, search Name:Climate Zone Number 2

  2. Tappable Pine Trees: Commercial Production of Terpene Biofuels in Pine

    SciTech Connect (OSTI)

    None

    2012-01-01

    PETRO Project: The University of Florida is working to increase the amount of turpentine in harvested pine from 4% to 20% of its dry weight. While enhanced feedstocks for biofuels have generally focused on fuel production from leafy plants and grasses, the University of Florida is experimenting with enhancing fuel production in a species of pine that is currently used in the paper pulping industry. Pine trees naturally produce around 3-5% terpene content in the wood—terpenes are the energy-dense fuel molecules that are the predominant components of turpentine. The team aims to increase the terpene storage potential and production capacity while improving the terpene composition to a point at which the trees could be tapped while alive, like sugar maples. Growth and production from these trees will take years, but this pioneering technology could have significant impact in making available an economical and domestic source of aviation and diesel biofuels.

  3. Finite countermodels for safety verification of parameterized tree systems

    E-Print Network [OSTI]

    Lisitsa, Alexei

    2011-01-01

    In this paper we deal with verification of safety properties of parameterized systems with a tree topology. The verification problem is translated to a purely logical problem of finding a finite countermodel for a first-order formula, which further resolved by a generic finite model finding procedure. A finite countermodel method is shown is at least as powerful as regular tree model checking and as the methods based on monotonic abstraction and backwards symbolic reachability. The practical efficiency of the method is illustrated on a set of examples taken from the literature.

  4. Delay-induced driven patterns in coupled Cayley tree networks

    E-Print Network [OSTI]

    Aradhana Singh; Sarika Jalan

    2013-04-04

    We study effects of delay in diffusively coupled logistic maps on the Cayley tree networks. We find that smaller coupling values exhibits sensitiveness for value of delay, and leads to different cluster patterns of self-organized and driven types. Whereas larger coupling strengths are very robust against change in delay values, and leads to stable driven clusters comprising only nodes from last generation of the Calaye tree. Furthermore, introduction of delay exhibits suppression as well as enhancement of synchronization depending upon coupling strength values, hence demonstrating richness of the model. To the end we relate the results with social conflicts and cooperation observed in families.

  5. A Tree Swaying in a Turbulent Wind: A Scaling Analysis

    E-Print Network [OSTI]

    Theo Odijk

    2014-07-10

    A tentative scaling theory is presented of a tree swaying in a turbulent wind. It is argued that the turbulence of the air within the crown is in the inertial regime. An eddy causes a dynamic bending response of the branches according to a time criterion. The resulting expression for the penetration depth of the wind yields an exponent which appears to be consistent with that pertaining to the morphology of the tree branches. An energy criterion shows that the dynamics of the branches is basically passive. The possibility of hydrodynamic screening by the leaves is discussed.

  6. Hydrocracking process using special juxtaposition of catalyst zones

    SciTech Connect (OSTI)

    Kukes, S.G.; Gutberlet, L.C.; Hensley, A.L. Jr.

    1989-01-10

    A process is described for hydrocracking a hydrocarbon feedstock with hydrogen at hydrocracking conversion conditions in a plurality of reaction zones in series which comprises: a. contacting the feedstock in a first reaction zone with a first hydrocracking catalyst comprising a nickel component and a tungsten component deposed on a support component consisting essentially of an alumina component and a crystalline molecular sieve component; b. contacting the effluent from the first reaction zone in a second reaction zone with a second hydrocracking catalyst comprising a cobalt component and a molybdenum component deposed on a support component comprising a silica-alumina component and a crystalline molecular sieve component; c. contacting the effluent from the second reaction zone in a third reaction zone with the first hydrocracking catalyst.

  7. Village agroforestry systems and tree-use practices: A case study in Sri Lanka. Multipurpose tree species network research series

    SciTech Connect (OSTI)

    Wickramasinghe, A.

    1992-01-01

    Village agroforestry systems in Sri Lanka have evolved through farmers' efforts to meet their survival needs. The paper examines farmers' land-use systems and their perceptions of the role of trees in the villages of Bambarabedda and Madugalla in central Sri Lanka. The benefits of village agroforestry are diverse food, fuelwood, fodder, timber, and mulch, but food products are of outstanding importance. The ability of Artocarpus heterophyllus (the jackfruit tree) and Cocos nucifera (coconut) to ensure food security during the dry season and provide traditional foods throughout the year, as well as to grow in limited space, make them popular crops in the two study villages. The study recommends that further research precede the formulation of agricultural interventions and that efforts to promote improved tree varieties recognize farmers' practices and expressed needs.

  8. TECHNICAL BASIS FOR EVALUATING SURFACE BARRIERS TO PROTECT GROUNDWATER FROM DEEP VADOSE ZONE CONTAMINATION

    SciTech Connect (OSTI)

    FAYER JM; FREEDMAN VL; WARD AL; CHRONISTER GB

    2010-02-24

    The U.S. DOE and its predecessors released nearly 2 trillion liters (450 billion gallons) of contaminated liquid into the vadose zone at the Hanford Site. Some of the contaminants currently reside in the deeper parts of the vadose zone where they are much less accessible to characterization, monitoring, and typical remediation activities. The DOE Richland Operations Office (DOE-RL) prepared a treatability test plan in 2008 to examine remediation options for addressing contaminants in the deep vadose zone; one of the technologies identified was surface barriers (also known as engineered barriers, covers, and caps). In the typical configuration, the contaminants are located relatively close to the surface, generally within 15 m, and thus they are close to the base of the surface barrier. The proximity of the surface barrier under these conditions yielded few concerns about the effectiveness of the barrier at depth, particularly for cases in which the contaminants were in a lined facility. At Hanford, however, some unlined sites have contaminants located well below depths of 15 m. The issue raised about these sites is the degree of effectiveness of a surface barrier in isolating contaminants in the deep vadose zone. Previous studies by Hanford Site and PNNL researchers suggest that surface barriers have the potential to provide a significant degree of isolation of deep vadose zone contaminants. The studies show that the actual degree of isolation is site-specific and depends on many factors, including recharge rates, barrier size, depth of contaminants, geohydrologic properties ofthe sediments, and the geochemical interactions between the contaminants and the sediments. After the DOE-RL treatability test plan was published, Pacific Northwest National Laboratory was contracted to review the information available to support surface barrier evaluation for the deep vadose zone, identify gaps in the information and outcomes necessary to fill the data gaps, and outline tasks to achieve those outcomes. Full understanding of contaminant behavior in the deep vadose zone is constrained by four key data gaps: limited access; limited data; limited time; and the lack of an accepted predictive capability for determining whether surface barriers can effectively isolate deep vadose zone contaminants. Activities designed to fill these data gaps need to have these outcomes: (1) common evaluation methodology that provides a clear, consistent, and defensible basis for evaluating groundwater impacts caused by placement of a surface barrier above deep vadose zone contamination; (2) deep vadose zone data that characterize the lithology, the spatial distribution of moisture and contaminants, the physical, chemical, and biological process that affect the mobility of each contaminant, and the impacts to the contaminants following placement of a surface barrier; (3) subsurface monitoring to provide subsurface characterization of initial conditions and changes that occur during and following remediation activities; and (4) field observations that span years to decades to validate the evaluation methodology. A set of six proposed tasks was identified to provide information needed to address the above outcomes. The proposed tasks are: (1) Evaluation Methodology - Develop common evaluation methodology that will provide a clear, consistent, and defensible basis for evaluating groundwater impacts caused by placement of a surface barrier above deep vadose zone contamination. (2) Case Studies - Conduct case studies to demonstrate the applicability ofthe common evaluation methodology and provide templates for subsequent use elsewhere. Three sites expected to have conditions that would yield valuable information and experience pertinent to deep vadose zone contamination were chosen to cover a range of conditions. The sites are BC Cribs and Trenches, U Plant Cribs, and the T Farm Interim Cover. (3) Subsurface Monitoring Technologies - Evaluate minimally invasive geophysical approaches for delineating subsurface plumes and monitoring their migration in the deep

  9. Domoic acid production near California coastal upwelling zones, June 1998

    SciTech Connect (OSTI)

    Trainer, V L. (National Marine Fisheries Service); Adams, Nicolaus G. (National Marine Fisheries Service); Bill, Brian D. (National Marine Fisheries Service); Stehr, Carla M. (National Marine Fisheries Service); Wekell, John C. (National Marine Fisheries Service); Moeller, Peter (National Ocean Service, Marine Biotoxins Program); Busman, Mark (National Ocean Service, Marine Biotoxins Program); Woodruff, Dana L. (BATTELLE (PACIFIC NW LAB))

    2000-01-01

    Sea lion mortalities in central California during May and June 1998 were traced to their ingestion of sardines and anchovies that had accumulated the neurotoxin domoic acid. The detection of toxin in urine, feces, and stomach contents of several sea lions represents the first proven occurrence of domoic acid transfer through the food chain to a marine mammal. The pennate diatoms, Pseudo-nitzschia multiseries and P. australis, were the dominant, toxin-producing phytoplankton constituting algal blooms near Monterey Bay, Half Moon Bay, and Oceano Dunes, areas where sea lions with neurological symptoms stranded. Toxic Pseudo-nitzschia were also found near Morrow Bay, Point Conception, Point Arguello, and Santa Barbara, demonstrating that these species were widespread along the central California coast in June 1998. Measurements of domoic acid during three cruises in early June showed the highest cellular toxin levels in P. multiseries near Point A?o Nuevo and in P. australis from Morro w Bay. Maximum cellular domoic acid levels were observed within 20 km of the coast between 0 and 5 m depth, although toxin was also measured to depths of 40 m. Hydrographic data indicated that the highest toxin levels and greatest numbers of toxic cells were positioned in water masses associated with upwelling zones near coastal headlands. Nutrient levels at these sites were less than those typically measured during periods of active upwelling, due to the 1998 El Ni?o event. The flow of cells and/or nutrients from coastal headlands into embayments where cells can multiply in a stratified environment is a possible mechanism of bloom development along the central California coast. This coupling of toxic Pseudo-nitzschia growth near upwelling zones with physical processes involved in cell transport will be understood only when long-term measurements are made at several key coastal locations, aiding in our capability to predict domoic-acid producing algal blooms.

  10. Production from multiple zones of a tar sands formation

    DOE Patents [OSTI]

    Karanikas, John Michael; Vinegar, Harold J

    2013-02-26

    A method for treating a tar sands formation includes providing heat to at least part of a hydrocarbon layer in the formation from a plurality of heaters located in the formation. The heat is allowed to transfer from the heaters to at least a portion of the formation. Fluids are produced from the formation through at least one production well that is located in at least two zones in the formation. The first zone has an initial permeability of at least 1 darcy. The second zone has an initial of at most 0.1 darcy. The two zones are separated by a substantially impermeable barrier.

  11. Shear zone refraction and deflection in layered granular materials

    E-Print Network [OSTI]

    Tamas Borzsonyi; Tamas Unger; Balazs Szabo

    2009-12-09

    Refraction and deflection of shear zones in layered granular materials was studied experimentally and numerically. We show, that (i) according to a recent theoretical prediction [T. Unger, Phys. Rev. Lett. 98, 018301 (2007)] shear zones refract in layered systems in analogy with light refraction, (ii) zone refraction obeys Snell's law known from geometric optics and (iii) under natural pressure conditions (i.e. in the presence of gravity) the zone can also be deflected by the interface so that the deformation of the high friction material is avoided.

  12. Sandia Energy - NASA Award for Marginal Ice Zone Observations...

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

    NASA Award for Marginal Ice Zone Observations and Process Experiment (MIZOPEX) Home Climate Office of Science News News & Events Research & Capabilities Monitoring Analysis...

  13. Stress and fault rock controls on fault zone hydrology, Coso...

    Open Energy Info (EERE)

    fault zone hydrology, Coso geothermal field, CA Abstract In crystalline rock of the Coso Geothermal Field, CA, fractures are the primary source of permeability. At reservoir...

  14. Modeling the emergence of the 'hot zones': tuberculosis and the ...

    E-Print Network [OSTI]

    2004-09-10

    Sep 19, 2004 ... Tuberculosis and Lung Disease have defined a hot zone as an area where the prevalence of MDRTB cases is >5% (that is, where >5% of.

  15. Variation in sericite composition from fracture zones within...

    Open Energy Info (EERE)

    within the geothermal system at Coso Hot Springs. Low-permeability zones of the crystalline basement contain coarse-grained relict muscovite, whereas rock alteration near...

  16. Geothermometry At Walker-Lane Transitional Zone Region (Shevenell...

    Open Energy Info (EERE)

    De Rocher, 2005) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Geothermometry At Walker-Lane Transitional Zone Region (Shevenell & De Rocher,...

  17. Modeling-Computer Simulations At Walker-Lane Transitional Zone...

    Open Energy Info (EERE)

    Pritchett, 2004) Exploration Activity Details Location Walker-Lane Transition Zone Geothermal Region Exploration Technique Modeling-Computer Simulations Activity Date Usefulness...

  18. Data Acquisition-Manipulation At Walker-Lane Transitional Zone...

    Open Energy Info (EERE)

    Data Acquisition-Manipulation At Walker-Lane Transitional Zone Region (Coolbaugh, Et Al., 2005 - 2) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration...

  19. Gradient zone boundary control in salt gradient solar ponds

    DOE Patents [OSTI]

    Hull, John R. (Downers Grove, IL)

    1984-01-01

    A method and apparatus for suppressing zone boundary migration in a salt gradient solar pond includes extending perforated membranes across the pond at the boundaries, between the convective and non-convective zones, the perforations being small enough in size to prevent individual turbulence disturbances from penetrating the hole, but being large enough to allow easy molecular diffusion of salt thereby preventing the formation of convective zones in the gradient layer. The total area of the perforations is a sizable fraction of the membrane area to allow sufficient salt diffusion while preventing turbulent entrainment into the gradient zone.

  20. Eastern Energy Zones Mapping Tool | Department of Energy

    Office of Environmental Management (EM)

    Planning Council (EISPC) has released the Energy Zones (EZ) Mapping Tool, a free, web-based interactive tool that will help states and other stakeholders in the Eastern...

  1. Reference Buildings by Climate Zone and Representative City:...

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

    mdbaltimorenew2004v1-47-2.zip More Documents & Publications Reference Buildings by Climate Zone and Representative City: 4A Baltimore, Maryland Reference Buildings by Climate...

  2. Reference Buildings by Climate Zone and Representative City:...

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

    acobouldernew2004v1-47-2.zip More Documents & Publications Reference Buildings by Climate Zone and Representative City: 5B Boulder, Colorado Reference Buildings by Climate...

  3. Reference Buildings by Climate Zone and Representative City:...

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

    awaseattlenew2004v1-47-2.zip More Documents & Publications Reference Buildings by Climate Zone and Representative City: 4C Seattle, Washington Reference Buildings by Climate...

  4. Reference Buildings by Climate Zone and Representative City:...

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

    nvlasvegasnew2004v1-47-2.zip More Documents & Publications Reference Buildings by Climate Zone and Representative City: 3B Las Vegas, Nevada Reference Buildings by Climate...

  5. Diffusion releases through one and two finite planar zones from...

    Office of Scientific and Technical Information (OSTI)

    Diffusion releases through one and two finite planar zones from a nuclear waste package Citation Details In-Document Search Title: Diffusion releases through one and two finite...

  6. Diffusion releases through one and two finite planar zones from...

    Office of Scientific and Technical Information (OSTI)

    Technical Report: Diffusion releases through one and two finite planar zones from a nuclear waste package Citation Details In-Document Search Title: Diffusion releases through one...

  7. Geodetic Survey At Central Nevada Seismic Zone Region (Blewitt...

    Open Energy Info (EERE)

    Geodetic Survey At Central Nevada Seismic Zone Region (Blewitt, Et Al., 2003) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Geodetic Survey At...

  8. Geographic Information System At Central Nevada Seismic Zone...

    Open Energy Info (EERE)

    Geographic Information System At Central Nevada Seismic Zone Region (Blewitt, Et Al., 2003) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity:...

  9. Modeling-Computer Simulations At Central Nevada Seismic Zone...

    Open Energy Info (EERE)

    Modeling-Computer Simulations At Central Nevada Seismic Zone Region (Pritchett, 2004) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity:...

  10. Data Acquisition-Manipulation At Central Nevada Seismic Zone...

    Open Energy Info (EERE)

    Data Acquisition-Manipulation At Central Nevada Seismic Zone Region (Coolbaugh, Et Al., 2005 - 2) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity:...

  11. Refraction Survey At Central Nevada Seismic Zone Region (Heimgartner...

    Open Energy Info (EERE)

    Refraction Survey At Central Nevada Seismic Zone Region (Heimgartner, Et Al., 2005) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Refraction...

  12. Modeling-Computer Simulations At Central Nevada Seismic Zone...

    Open Energy Info (EERE)

    Modeling-Computer Simulations At Central Nevada Seismic Zone Region (Biasi, Et Al., 2009) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity:...

  13. Compound and Elemental Analysis At Central Nevada Seismic Zone...

    Open Energy Info (EERE)

    Compound and Elemental Analysis At Central Nevada Seismic Zone Region (Coolbaugh, Et Al., 2010) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity:...

  14. Compound and Elemental Analysis At Central Nevada Seismic Zone...

    Open Energy Info (EERE)

    Compound and Elemental Analysis At Central Nevada Seismic Zone Region (Laney, 2005) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Compound and...

  15. Geographic Information System At Central Nevada Seismic Zone...

    Open Energy Info (EERE)

    Geographic Information System At Central Nevada Seismic Zone Region (Coolbaugh, Et Al., 2005 - 2) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity:...

  16. Direct-Current Resistivity Survey At Central Nevada Seismic Zone...

    Open Energy Info (EERE)

    Direct-Current Resistivity Survey At Central Nevada Seismic Zone Region (Pritchett, 2004) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity:...

  17. Teleseismic-Seismic Monitoring At Walker-Lane Transitional Zone...

    Open Energy Info (EERE)

    Teleseismic-Seismic Monitoring At Walker-Lane Transitional Zone Region (Biasi, Et Al., 2009) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity:...

  18. Teleseismic-Seismic Monitoring At Central Nevada Seismic Zone...

    Open Energy Info (EERE)

    Teleseismic-Seismic Monitoring At Central Nevada Seismic Zone Region (Biasi, Et Al., 2009) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity:...

  19. Geodetic Survey At Central Nevada Seismic Zone Region (Blewitt...

    Open Energy Info (EERE)

    Geodetic Survey At Central Nevada Seismic Zone Region (Blewitt Et Al, 2005) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Geodetic Survey At...

  20. Thermal Gradient Holes At Central Nevada Seismic Zone Region...

    Open Energy Info (EERE)

    Thermal Gradient Holes At Central Nevada Seismic Zone Region (Pritchett, 2004) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Thermal Gradient...

  1. Isotopic Analysis At Central Nevada Seismic Zone Region (Kennedy...

    Open Energy Info (EERE)

    Isotopic Analysis At Central Nevada Seismic Zone Region (Kennedy & Van Soest, 2007) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Isotopic...

  2. Direct-Current Resistivity At Central Nevada Seismic Zone Region...

    Open Energy Info (EERE)

    Direct-Current Resistivity At Central Nevada Seismic Zone Region (Pritchett, 2004) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Direct-Current...

  3. Geothermometry At Central Nevada Seismic Zone Region (Shevenell...

    Open Energy Info (EERE)

    Geothermometry At Central Nevada Seismic Zone Region (Shevenell & De Rocher, 2005) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Geothermometry...

  4. Geographic Information System At Central Nevada Seismic Zone...

    Open Energy Info (EERE)

    Geographic Information System At Central Nevada Seismic Zone Region (Laney, 2005) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Geographic...

  5. Field Mapping At Central Nevada Seismic Zone Region (Shevenell...

    Open Energy Info (EERE)

    Field Mapping At Central Nevada Seismic Zone Region (Shevenell, Et Al., 2008) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Field Mapping At...

  6. Trace Element Analysis At Central Nevada Seismic Zone Region...

    Open Energy Info (EERE)

    Trace Element Analysis At Central Nevada Seismic Zone Region (Coolbaugh, Et Al., 2010) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Trace...

  7. Teleseismic-Seismic Monitoring At Walker-Lane Transitional Zone...

    Open Energy Info (EERE)

    Teleseismic-Seismic Monitoring At Walker-Lane Transitional Zone Region (Biasi, Et Al., 2008) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity:...

  8. Teleseismic-Seismic Monitoring At Central Nevada Seismic Zone...

    Open Energy Info (EERE)

    Teleseismic-Seismic Monitoring At Central Nevada Seismic Zone Region (Biasi, Et Al., 2008) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity:...

  9. Field Mapping At Central Nevada Seismic Zone Region (Blewitt...

    Open Energy Info (EERE)

    Field Mapping At Central Nevada Seismic Zone Region (Blewitt, Et Al., 2003) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Activity: Field Mapping At...

  10. A Fine Scale Analysis of a Tropical Suture Zone

    E-Print Network [OSTI]

    Singhal, Sonal

    2013-01-01

    as a diversifying force in evo- lution: evidence fromby sampling trees”. In: BMC Evo. Bio. 7 (2007), p. 214. [88]of alternative models of human evo- lution”. In: PNAS 104 (

  11. Impact of Foliar Fertilizer Containing Iodine on “Golden Delicious” Apple Trees

    E-Print Network [OSTI]

    Szwonek, Eugeniusz

    2009-01-01

    on marketable Golden Delicious/M.9 apple production. At thecontaining fertilizer on apple fruits firmness and theirold “Golden Delicious/M.9” apple trees Trees were spaced at

  12. When do only sources need to compute? On functional compression in tree networks

    E-Print Network [OSTI]

    Medard, Muriel

    In this paper, we consider the problem of functional compression for an arbitrary tree network. Suppose we have k possibly correlated source processes in a tree network, and a receiver in its root wishes to compute a ...

  13. Large trees-key climate influencers-die first in drought

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

    Large trees-key climate influencers-die first in drought Large trees-key climate influencers-die first in drought A team of researchers studied forests worldwide, ranging from...

  14. RESEARCH ARTICLE Spatial spread of an alien tree species in a heterogeneous

    E-Print Network [OSTI]

    Petite, Samuel

    RESEARCH ARTICLE Spatial spread of an alien tree species in a heterogeneous forest landscape the observed invasion patterns of an alien tree species, Prunus serotina Ehrh., in a heterogeneous managed

  15. Agriculture and Agribusiness Institute; Extension Educator Fruit Tree Position Overview

    E-Print Network [OSTI]

    Isaacs, Rufus

    and statewide leadership and educational programming expertise in tree fruit production. Located in Oceana in consideration of renewal. Application Process For additional information interested and qualified candidates, entomology, plant pathology or crop science, must be earned by date of hire; Three-years' experience

  16. Ris-M-2311 AUTOMATIC FAULT TREE CONSTRUCTION WITH RIKKE

    E-Print Network [OSTI]

    evaluated and listed. The cut sets were evaluated using FAUNET and the FAUNET interface programs included order. During evaluation of the HI fault tree an interesting effect was observed. The shut off valve circuit with cross coupling to two gas flow sensors. The sensors are represented by the "load" components

  17. RIS-M-2326 FAULT TREE AND CAUSE CONSEQUENCE ANALYSIS

    E-Print Network [OSTI]

    and control, nuclear reactor safety systems and aircraft landing systems. For systems of failure in operations. For example a nuclear reactor shutdown system should fail at a rate which Abstract. A theory underlying application of automatic fault tree analysis to computer programs

  18. Identifying failure in a tree network of a parallel computer

    DOE Patents [OSTI]

    Archer, Charles J. (Rochester, MN); Pinnow, Kurt W. (Rochester, MN); Wallenfelt, Brian P. (Eden Prairie, MN)

    2010-08-24

    Methods, parallel computers, and products are provided for identifying failure in a tree network of a parallel computer. The parallel computer includes one or more processing sets including an I/O node and a plurality of compute nodes. For each processing set embodiments include selecting a set of test compute nodes, the test compute nodes being a subset of the compute nodes of the processing set; measuring the performance of the I/O node of the processing set; measuring the performance of the selected set of test compute nodes; calculating a current test value in dependence upon the measured performance of the I/O node of the processing set, the measured performance of the set of test compute nodes, and a predetermined value for I/O node performance; and comparing the current test value with a predetermined tree performance threshold. If the current test value is below the predetermined tree performance threshold, embodiments include selecting another set of test compute nodes. If the current test value is not below the predetermined tree performance threshold, embodiments include selecting from the test compute nodes one or more potential problem nodes and testing individually potential problem nodes and links to potential problem nodes.

  19. Building Decision Trees for the Multi-class Imbalance Problem

    E-Print Network [OSTI]

    Chawla, Nitesh V.

    Building Decision Trees for the Multi-class Imbalance Problem T. Ryan Hoens1 , Qi Qian2 , Nitesh V. In imbalanced datasets, the class of interest is generally a small fraction of the total instances, but misclassification of such instances is often expensive. While there is a significant body of research on the class

  20. Judging Hazard from Native Trees in California Recreational Areas

    E-Print Network [OSTI]

    studying tree diseases and their control. Dr. Wagener retired from the U.S. Forest Service in September a cooling shade. But they can also maim or kill if they or their parts break and fall. Failure is not likely the forests and congregates in persistent numbers at camp- grounds or resort centers. They become hazards

  1. Uses of tree legumes in semi-arid regions

    SciTech Connect (OSTI)

    Felker, P.

    1980-01-01

    Uses of tree legumes in semi-arid and arid regions are reviewed. This review is divided into sections according to the following general use categories: fuels; human food; livestock food; to increase yields of crops grown beneath their canopies;and control of desertification. (MHR)

  2. Fixpoint alternation: arithmetic, transition systems, and the binary tree

    E-Print Network [OSTI]

    Bradfield, Julian

    Fixpoint alternation: arithmetic, transition systems, and the binary tree J. C. Brad#12;eld LFCS, 1 for ex- pressing temporal properties of systems. It was #12;rst studied by Dexter Kozen in [Koz83 of the logic that gives it both its simplicity and its power is that it is possible to have mutually dependent

  3. Discovering Life Cycle Assessment Trees from Impact Factor Databases

    E-Print Network [OSTI]

    Ramakrishnan, Naren

    Discovering Life Cycle Assessment Trees from Impact Factor Databases Naren Sundaravaradan and degradation of the envi- ronment. Life cycle assessment (LCA) is a methodol- ogy for quantifying multiple to quantifying broad envi- ronmental impacts is the method of life cycle assessment (LCA) (Baumann and Tillman

  4. TWOSIDED TILTING COMPLEXES FOR GREEN ORDERS AND BRAUER TREE ALGEBRAS

    E-Print Network [OSTI]

    Zimmermann, Alexander

    a perfect field k then there is a complete discrete valuation do* *main R with residue field k and a Green TWOSIDED TILTING COMPLEXES FOR GREEN ORDERS AND BRAUER TREE tilting complex between two Green o* *rders having the same structural data as they were defined

  5. TWOSIDED TILTING COMPLEXES FOR GREEN ORDERS AND BRAUER TREE ALGEBRAS

    E-Print Network [OSTI]

    Zimmermann, Alexander

    field k then there is a complete discrete valuation domain R with residue field k and a Green orderTWOSIDED TILTING COMPLEXES FOR GREEN ORDERS AND BRAUER TREE ALGEBRAS ALEXANDER ZIMMERMANN Abstract. We give an explicit twosided tilting complex between two Green orders having the same structural data

  6. GreenWave Routing Trees for Wireless Sensor Fikret Sivrikaya

    E-Print Network [OSTI]

    Bystroff, Chris

    collisions and minimizing retransmissions in the wireless medium [2] [4] [24] [25] [26]. Most algorithms which construct routing trees rooted at sink nodes to route data to and from sensor nodes. First. Many application scenarios for sensor networks are projected such as environment monitoring, disaster

  7. Quantum Accelerator Modes from the Farey Tree A. Buchleitner,1

    E-Print Network [OSTI]

    Summy, Gil

    driven quantum systems [5], quantum reso- nances [6,7], and stochastic web states [8,9]. These ``strong. Eigenmodes of a periodically driven dissipative system are locked in their time evolution onto the phaseQuantum Accelerator Modes from the Farey Tree A. Buchleitner,1 M. B. d'Arcy,2,* S. Fishman,3 S. A

  8. FUNGICIDES, BACTERICIDES, AND BIOLOGICALS DECIDUOUS TREE FRUIT, NUT,

    E-Print Network [OSTI]

    Ishida, Yuko

    FUNGICIDES, BACTERICIDES, AND BIOLOGICALS FOR DECIDUOUS TREE FRUIT, NUT, STRAWBERRY, AND VINE CROPS CHERRY PLUM POMEGRANATE GRAPE PRUNE KIWIFRUIT STRAWBERRY PEACH/NECTARINE WALNUT #12;Fungicide, Bactericide, and Biological Tables for Fruit, Nut, Strawberry, and Vine Crops--2013 Page -- 1 TABLE

  9. FUNGICIDES, BACTERICIDES, AND BIOLOGICALS DECIDUOUS TREE FRUIT, NUT,

    E-Print Network [OSTI]

    Ullrich, Paul

    FUNGICIDES, BACTERICIDES, AND BIOLOGICALS FOR DECIDUOUS TREE FRUIT, NUT, STRAWBERRY, AND VINE CROPS/PEAR PISTACHIO APRICOT PLUM CHERRY PRUNE GRAPE STRAWBERRY KIWIFRUIT WALNUT #12;Fungicide, Bactericide, and Biological Tables for Fruit, Nut, Strawberry, and Vine Crops--2012 Page -- 1 TABLE OF CONTENTS Fungicides

  10. 2004 Special Issue Adaptive topological tree structure for document organisation

    E-Print Network [OSTI]

    Yin, Hujun

    2004 Special Issue Adaptive topological tree structure for document organisation and visualisation of Manchester Institute of Science and Technology, P.O. Box 88, Manchester M60 1QD, UK Received 15 January 2004; accepted 5 August 2004 Abstract The self-organising map (SOM) is finding more and more applications

  11. Building Trees Based On Aggregation Efficiency in Sensor Networks

    E-Print Network [OSTI]

    1 Building Trees Based On Aggregation Efficiency in Sensor Networks Albert F. Harris III, Robin energy efficient operation. We pro- pose a new notion of energy efficiency that can be used to decide where aggregation points in the network should be placed. The main factor affecting energy efficiency

  12. Stability and scenario trees for multistage stochastic programs

    E-Print Network [OSTI]

    Römisch, Werner

    ¨omisch Humboldt-University Berlin Institute of Mathematics 10099 Berlin, Germany Abstract By extending scenario trees in electricity portfolio management is reported. Key Words: Stochastic programming uncertainty, e.g., in finance, production, energy and logistics. We refer to the pioneering work of Dantzig [5

  13. SIMPLE TESTS TO PREDICT FADING IN TREE OBSTRUCTED MMDS CHANNELS

    E-Print Network [OSTI]

    Saskatchewan, University of

    provides two simple tests that predict the worst case fading when wind is present for a given placement the summer when the trees are fully foliated, as long as there is little or no wind. The presence of wind depends on the wind speed and direction, the delay spread of the channel and the foliage density

  14. Trees and Structural Soils A New Stormwater Management

    E-Print Network [OSTI]

    Virginia Tech

    Trees and Structural Soils A New Stormwater Management Practice for Sustainable Urban Sites Dr. Susan D. Day Urban Forestry Departments of Forestry and Horticulture Sarah B. Dickinson Sustainable Practice for Sustainable Urban Sites #12;Stormwater Challenge Paved Surfaces · No ground water recharge

  15. ORIGINAL PAPER Influence of tree species on carbon and nitrogen

    E-Print Network [OSTI]

    Paris-Sud XI, Université de

    and for carbon sequestration (Jandl et al. 2007). Soil acidification and carbon sequestration are influ- encedORIGINAL PAPER Influence of tree species on carbon and nitrogen transformation patterns in forest carbon release under broadleaved forest floors may explain this difference. Spruce forest floor exhibited

  16. ORIGINAL PAPER Defoliation by processionary moth significantly reduces tree

    E-Print Network [OSTI]

    Paris-Sud XI, Université de

    in greater damage to trees. This, in turn, would lead to lower levels of carbon sequestration, intensifying growth models, to predict the effect of processionary moth outbreaks on carbon sequestration and carbon sequestration (Pinkard et al. 2011). Due to their faster growth, conifers sequester carbon more

  17. Caranx: Scalable Social Image Index Using Phylogenetic Tree of Hashtags

    E-Print Network [OSTI]

    . The vectors are quantized and stored in tree-like data structures for fast search. SIFT- based indexing can an efficient algorithm to build/search the PT, and show that using PT structure can effectively avoid unnecessary NRDC computation. The resulting image index provides more accurate and diversified search results1

  18. Eucalyptus as a Landscape Tree1 W. Douglas Hamilton2

    E-Print Network [OSTI]

    Eucalyptus as a Landscape Tree1 W. Douglas Hamilton2 There have been 5 distinctly different studies by Cooperative Extension from the Hayward Office in the last 15 years involving the genus eucalyptus Specialist, W. B. Davis. We evaluated a range of Eucalyptus, most of which were not in the trade. We also

  19. Resilient Distributed Consensus for Tree Topology Mark Yampolskiy

    E-Print Network [OSTI]

    Koutsoukos, Xenofon D.

    Security, Algorithms Keywords Resilience, distributed consensus, tree topology, smart grids 1. INTRODUCTION, in Smart Grid, an emerging distributed CPS, the node connectivity is expected to resemble the scale free.1145/2566468.2566485 . Categories and Subject Descriptors [Security and privacy]: Systems security--Distributed sys- tems security

  20. Groundwater and soil chemical changes under phreatophytic tree plantations

    E-Print Network [OSTI]

    Jackson, Robert B.

    Groundwater and soil chemical changes under phreatophytic tree plantations Esteban G. Jobba´gy1 4 May 2007. [1] The onset of groundwater consumption by plants can initiate a pathway of chemical inputs from aquifers to ecosystems, typically absent in groundwater recharge areas. We explored

  1. RIS-M-2311 AUTOMATIC FAULT TREE CONSTRUCTION WITH RIKKE

    E-Print Network [OSTI]

    . INIS descriptors. CONTROL EQUIPMENT; ELECTRICAL EQUIPMENT; FAULT TREE ANALYSIS; INDUSTRIAL PLANTS, a heat exchanger can be regarded as two pipes, with a heat exchange between them. In later volumes, more pumps, and valve closure. 5) It is not generally possible to determine the effect of

  2. Scenario Reduction and Scenario Tree Construction for Power Management Problems

    E-Print Network [OSTI]

    Römisch, Werner

    1 Scenario Reduction and Scenario Tree Construction for Power Management Problems Nicole Gr¨owe-Kuska, Holger Heitsch and Werner R¨omisch Abstract-- Portfolio and risk management problems of power utilities and corresponding probabilities to model the multivariate random data process (electrical load, stream flows

  3. Deep water X-mas tree standardization -- Interchangeability approach

    SciTech Connect (OSTI)

    Paula, M.T.R.; Paulo, C.A.S.; Moreira, C.C.

    1995-12-31

    Aiming the rationalization of subsea operations to turn the production of oil and gas more economical and reliable, standardization of subsea equipment interfaces is a tool that can play a very important role. Continuing the program initiated some years ago, Petrobras is now harvesting the results from the first efforts. Diverless guidelineless subsea Christmas trees from four different suppliers have already been manufactured in accordance to the standardized specification. Tests performed this year in Macae (Campos Basin onshore base), in Brazil, confirmed the interchangeability among subsea Christmas trees, tubing hangers, adapter bases and flowline hubs of different manufacturers. This interchangeability, associated with the use of proven techniques, results in operational flexibility, savings in rig time and reduction in production losses during workovers. By now, 33 complete sets of subsea Christmas trees have already been delivered and successfully tested. Other 28 sets are still being manufactured by the four local suppliers. For the next five years, more than a hundred of these trees will be required for the exploration of the new discoveries. This paper describes the standardized equipment, the role of the operator in an integrated way of working with the manufacturers on the standardization activities, the importance of a frank information flow through the involved companies and how a simple manufacturing philosophy, with the use of construction jigs, has proved to work satisfactorily.

  4. SPECIAL FEATURE FORUM THE TREE OF LIFE IN ECOSYSTEMS

    E-Print Network [OSTI]

    Thomas, David D.

    SPECIAL FEATURE ­ FORUM THE TREE OF LIFE IN ECOSYSTEMS The world-wide `fast­slow' plant economics, Penrith, NSW 2751, Australia Summary 1. The leaf economics spectrum (LES) provides a useful framework described, involved only two key resources (carbon and nutrients) and one of three economically important

  5. Planting and Mulching Trees and Shrubs Selecting healthy plants

    E-Print Network [OSTI]

    New Hampshire, University of

    Planting and Mulching Trees and Shrubs Selecting healthy plants Take a step back to examine swollen nodules at the container edge, rather than circling like in a plastic container. The nodules store with soil or mulch ­ ignore these and find the first permanent woody root growing radially out from

  6. CSP duality and trees of bounded pathwidth Catarina Carvalhoa

    E-Print Network [OSTI]

    Krokhin, Andrei

    CSP duality and trees of bounded pathwidth Catarina Carvalhoa , V´ictor Dalmaub , Andrei Krokhin satisfaction problem (CSP) provides a framework in which it is possible to express, in a natural way, many.g., [11, 18]) that the CSP can be cast as the following fundamental problem: given two finite relational

  7. CSP duality and trees of bounded pathwidth Catarina Carvalhoa

    E-Print Network [OSTI]

    Krokhin, Andrei

    CSP duality and trees of bounded pathwidth Catarina Carvalhoa , V´ictor Dalmaub , Andrei Krokhin problem (CSP) provides a framework in which it is possible to express, in a natural way, many.g., [10, 14]) that the CSP can be cast as the following fundamental problem: given two finite relational

  8. Efficient Rectilinear Steiner Tree Construction with Rectilinear Blockages

    E-Print Network [OSTI]

    Chu, Chris C.-N.

    Systems 555 River Oaks Parkway San Jose, CA, 95134 zion@cadence.com Chris C.N. Chu Department of ECE Iowa. It is extremely unlikely that an efficient optimal algorithm exists for Rectilinear Steiner Minimal Tree for this problem, they have either poor quality or expensive running time. In this paper, we propose an efficient

  9. Logistic Model Trees Niels Landwehr1,2

    E-Print Network [OSTI]

    Frank, Eibe

    Logistic Model Trees Niels Landwehr1,2 , Mark Hall2 , and Eibe Frank2 1 Department of Computer problems, using logistic regression instead of linear regression. We use a stagewise fitting process to construct the logistic regression models that can select relevant attributes in the data in a natural way

  10. Reconstruction of Evolutionary Trees from Pairwise Distributions on Current Species

    E-Print Network [OSTI]

    Chang, Joseph T.

    . In particular, we are not interested in length of time, direction of time, or the root of the tree. Let T denote, there is no conflict with the notation T introduced above. Each arc a 2 A is undirected and may be represented for this work; the ex­ cellent survey of Felsenstein (1988) should be consulted for more backgr

  11. 1 | De-icing salt damage to trees | November 2011 Pathology Advisory Note

    E-Print Network [OSTI]

    1 | De-icing salt damage to trees | November 2011 Pathology Advisory Note (No. 11) De-icing salt damage to trees De-icing Salt Damage to Trees Joan F Webber, David R Rose, Martin C Dobson #12;2 | De-icing salt damage to trees | November 2011 S a l t D a m a g e De-icing Salt Damage Introduction Rock salt

  12. Directly imaging steeply-dipping fault zones in geothermal fields with multicomponent seismic data

    DOE Public Access Gateway for Energy & Science Beta (PAGES Beta)

    Chen, Ting; Huang, Lianjie

    2015-07-30

    For characterizing geothermal systems, it is important to have clear images of steeply-dipping fault zones because they may confine the boundaries of geothermal reservoirs and influence hydrothermal flow. Elastic reverse-time migration (ERTM) is the most promising tool for subsurface imaging with multicomponent seismic data. However, conventional ERTM usually generates significant artifacts caused by the cross correlation of undesired wavefields and the polarity reversal of shear waves. In addition, it is difficult for conventional ERTM to directly image steeply-dipping fault zones. We develop a new ERTM imaging method in this paper to reduce these artifacts and directly image steeply-dipping fault zones.more »In our new ERTM method, forward-propagated source wavefields and backward-propagated receiver wavefields are decomposed into compressional (P) and shear (S) components. Furthermore, each component of these wavefields is separated into left- and right-going, or downgoing and upgoing waves. The cross correlation imaging condition is applied to the separated wavefields along opposite propagation directions. For converted waves (P-to-S or S-to-P), the polarity correction is applied to the separated wavefields based on the analysis of Poynting vectors. Numerical imaging examples of synthetic seismic data demonstrate that our new ERTM method produces high-resolution images of steeply-dipping fault zones.« less

  13. Building Decision Tree Classifier on Private Data Wenliang Du Zhijun Zhan

    E-Print Network [OSTI]

    Du, Wenliang "Kevin"

    Building Decision Tree Classifier on Private Data Wenliang Du Zhijun Zhan Center for Systems, Email: wedu,zhzhan@ecs.syr.edu Abstract This paper studies how to build a decision tree clas- sifier owned by Alice and the other piece owned by Bob. Alice and Bob want to build a decision tree classi

  14. Generating Trees and Proper Riordan Arrays Donatella Merlini, M. Cecilia Verri

    E-Print Network [OSTI]

    Merlini, Donatella

    Generating Trees and Proper Riordan Arrays Donatella Merlini, M. Cecilia Verri Dipartimento di an algebraic approach to study the connection between generating trees and proper Riordan Arrays deriving a theorem that, under suitable conditions, associates a Riordan Array to a generating tree and vice versa

  15. Carbon storage and sequestration by trees in urban and community areas of the United States

    E-Print Network [OSTI]

    Carbon storage and sequestration by trees in urban and community areas of the United States David J forestry Tree cover Forest inventory a b s t r a c t Carbon storage and sequestration by urban trees to determine total urban forest carbon storage and annual sequestration by state and nationally. Urban whole

  16. Influence of soils and topography on Amazonian tree diversity: a landscape-scale study

    E-Print Network [OSTI]

    Harms, Kyle E.

    Influence of soils and topography on Amazonian tree diversity: a landscape-scale study Susan G. W C. C. Luiza~ o Abstract Question: How do soils and topography influence Amazonian tree diversity diversity; Species richness; Topography; Tropical trees. Introduction Central Amazonia sustains some

  17. Earth. Water. Tree. Environmental Aspects in the Work of Itzhak Danziger

    E-Print Network [OSTI]

    Earth. Water. Tree. Environmental Aspects in the Work of Itzhak Danziger Itzhak Danziger, 1968 of the issues of earth, water and tree, are a source of inspiration for contemporary artists, architects again be allowed to disappear from the public awareness. The current exhibition ­ Earth. Water. Tree

  18. Reduction of Ultrametric Minimum Cost Spanning Tree Games to Cost Allocation Games on Rooted

    E-Print Network [OSTI]

    RIMS-1674 Reduction of Ultrametric Minimum Cost Spanning Tree Games to Cost Allocation Games Allocation Games on Rooted Trees Kazutoshi Ando and Shinji Kato June 2009 Abstract A minimum cost spanning tree game is called ultrametric if the cost function on the edges of the underlying network

  19. Reduction of Ultrametric Minimum Cost Spanning Tree Games to Cost Allocation Games on Rooted

    E-Print Network [OSTI]

    RIMS­1674 Reduction of Ultrametric Minimum Cost Spanning Tree Games to Cost Allocation Games Allocation Games on Rooted Trees Kazutoshi Ando # and Shinji Kato + June 2009 Abstract A minimum cost spanning tree game is called ultrametric if the cost function on the edges of the underlying network

  20. Low light reflectance may explain the attraction of birds to defoliated trees

    E-Print Network [OSTI]

    Laaksonen, Toni

    Low light reflectance may explain the attraction of birds to defoliated trees Elina Ma¨ntyla¨, Tero autumnata) in nontest branches. Species, age, or sex of the experimental bird or lighting (ultraviolet [UV light than the herbivore trees, whereas no such difference was found in the shadier forest patch trees

  1. Author's personal copy Neighborhood uniformity increases growth of individual Eucalyptus trees

    E-Print Network [OSTI]

    Anderson, Charles W.

    Author's personal copy Neighborhood uniformity increases growth of individual Eucalyptus trees modeled growth of 8800 focal clonal trees in a 9 ha operational, clonal plantation of Eucalyptus grandis x uniform, operational plantation of clonal Eucalyptus has substantial variance in tree sizes and growth

  2. CARBON DIOXIDE IN XYLEM OF TREES: SOURCES AND FATES MARY ANNE McGUIRE

    E-Print Network [OSTI]

    Teskey, Robert O.

    CARBON DIOXIDE IN XYLEM OF TREES: SOURCES AND FATES by MARY ANNE McGUIRE (Under the Direction of Robert O. Teskey) ABSTRACT The importance of carbon dioxide in the xylem of trees was examined, stem respiration, xylem CO2 concentration #12;CARBON DIOXIDE IN XYLEM OF TREES: SOURCES AND FATES

  3. Probabilistic Roadmaps of Trees for Parallel Computation of Multiple Query Roadmaps

    E-Print Network [OSTI]

    Kavraki, Lydia E.

    Probabilistic Roadmaps of Trees for Parallel Computation of Multiple Query Roadmaps Mert Akinc sample-based method primarily designed for multiple query planning (the Probabilistic Roadmap Method the Probabilistic Roadmap of Trees (PRT), uses a tree algorithm as a subroutine for PRM. The nodes of the PRM

  4. Foliar ozone injury on different-sized Prumus serotina Ehrh. trees

    SciTech Connect (OSTI)

    Fredericksen, T.S.; Skelly, J.M.; Steiner, K.C. [Pennsylvania State Univ., University Park, PA (United States)

    1995-06-01

    Black cherry (Prunus serotina Ehrh.) is a common tree species in the eastern U.S. that is highly sensitive to ozone relative to other associated deciduous tree species. Because of difficulties in conducting exposure-response experiments on large trees, air pollution studies have often utilized seedlings and extrapolated the results to predict the potential response of larger forest trees. However, physiological differences between seedlings and mature forest trees may alter responses to air pollutants. A comparative study of seedling, sapling, and canopy black cherry trees was conducted to determine the response of different-sized trees to known ozone exposures and amounts of ozone uptake. Apparent foliar sensitivity to ozone, observed as a dark adaxial leaf stipple, decreased with increasing tree size. An average of 46% of seedling leaf area was symptomatic by early September, compared to 15% - 20% for saplings and canopy trees. In addition to visible symptoms, seedlings also appeared to have greater rates of early leaf abscission than larger trees. Greater sensitivity (i.e., foliar symptoms) per unit exposure with decreasing tree size was closely correlated with rates of stomatal conductance. However, after accounting for differences in stomatal conductance, sensitivity appeared to increase with tree size.

  5. APPLICATION OF GENEALOGICAL DECISION TREES FOR OPEN-LOOP TRACKING CONTROL

    E-Print Network [OSTI]

    Del Moral , Pierre

    APPLICATION OF GENEALOGICAL DECISION TREES FOR OPEN-LOOP TRACKING CONTROL Enso Ikonen !,1 Kaddour on a genealogical decision tree is suggested for solving an open-loop tracking problem. The algorithm associates supported by UK EPSRC Research cluster project, grant nro GR/S63779/01 Genealogical decision trees belong

  6. Links between biomass and tree demography in a northern hardwood forest: a decade of stability

    E-Print Network [OSTI]

    Battles, John

    Links between biomass and tree demography in a northern hardwood forest: a decade of stability recent trends in tree biomass and demography. We found no significant change in live-tree biomass during the decade. Total biomass was 246 Mg·ha­1 (95%CI = 235­258) in 1995­1996 and 245 Mg·ha­1 (95%CI = 234

  7. The Health of Non-Woodland Trees in England during 1999 and 2000

    E-Print Network [OSTI]

    The Health of Non-Woodland Trees in England during 1999 and 2000 By D. Lonsdale, G. A. MacAskill, D. R. Rose, C. Tilbury & K. V. Thorpe #12;1 The Health of Non-Woodland Trees in England during 1999, known until 1999 as the Amenity Tree Health Monitoring Scheme, was re-designed in 2000 with a view

  8. Melt zones beneath five volcanic complexes in California: an assessment of shallow magma occurrences

    SciTech Connect (OSTI)

    Goldstein, N.E.; Flexser, S.

    1984-12-01

    Recent geological and geophysical data for five magma-hydrothermal systems were studied for the purpose of developing estimates for the depth, volume and location of magma beneath each area. The areas studied were: (1) Salton Trough, (2) The Geysers-Clear Lake, (3) Long Valley caldera, (4) Coso volcanic field, and (5) Medicine Lake volcano, all located in California and all selected on the basis of recent volcanic activity and published indications of crustal melt zones. 23 figs.

  9. TREE TRAILS The trees around us those that make up the `urban forest' are a reflection of the community itself.

    E-Print Network [OSTI]

    of the community itself. Cities often organize the protection, planting and care of trees in public spaces, through the solution for reasonableness. 5.9 (A) locate and name points on a coordinate grid using ordered pairs/STAAR Preparation Time: 1-2 hours Instructional Time: 2-3 sessions, 45 minutes each · Texas A&M Forest Service Urban

  10. Tree Products Challenge students to name all of the items they use or consume that can be made from Trees.

    E-Print Network [OSTI]

    George, Edward I.

    PHLOEM XYLEM MINERALS HABITAT TRANSPORT URBAN FOREST POLLUTION ABSORPTION EROSION Word Search Find, this time cutting small circles in the construction paper. How does this change the result? Tree Vocabulary and plants that live in the city D. Growth rate 5. _____The removal of soil by wind or water E. Genetics 6

  11. Deep Vadose Zone Applied Field Research Initiative (DVZ AFRI) - Overview

    SciTech Connect (OSTI)

    2011-02-01

    The Deep Vadoze Zone Applied Field Research Initiative (DVZ AFRI) was established to protect water resources and to address the challenge of preventing contamination in the deep vadose zone from reaching groundwater. This factsheet provides an overview of the initiative and the approach to integrate basic science and needs-driven applied research activities with cleanup operations.

  12. Nitrous Oxide Emissions from the Gulf of Mexico Hypoxic Zone

    E-Print Network [OSTI]

    Nitrous Oxide Emissions from the Gulf of Mexico Hypoxic Zone J O H N T . W A L K E R , * , C R A I,thoughlargenitrogeninputsanddeoxygenation typical of these systems create the potential for large N2O emissions. We report the first N2O emission measurements from the Gulf of Mexico Hypoxic Zone (GOMHZ), including an estimate of the emission "pulse

  13. GROUNDWATER NITRATE REMOVAL CAPACITY OF RIPARIAN ZONES IN

    E-Print Network [OSTI]

    Gold, Art

    GROUNDWATER NITRATE REMOVAL CAPACITY OF RIPARIAN ZONES IN URBANIZING WATERSHEDS BY TARA KIMBERLY the watershed, however, is not well understood. Nitrate in groundwater moving through the "biologically active and geomorphology of riparian zones, potentially changing riparian groundwater denitrification capacity. Little work

  14. Two-zone countercurrent smelter system and process

    DOE Patents [OSTI]

    Cox, J.H.; Fruehan, R.J.; Elliott, J.F.

    1995-01-03

    A process for continuously smelting iron ore by use of coal to yield molten iron or semi-steel is disclosed. The process comprises the steps of establishing a melt covered by slag; inducing the slag and the molten iron to flow countercurrently to one another, toward opposite ends of the smelter; maintaining iron oxide-reducing conditions in that zone of the smelter towards which the slag flows; maintaining carbon-oxidizing conditions in that zone of the smelter towards which the molten iron flows; continuously or semicontinuously tapping the slag from the reducing zone end of the smelter; continuously or semicontinuously tapping the molten iron from the oxidizing zone end of the smelter; and adding to both zones iron ore, coal, oxygen, and flux at addition rates sufficient to keep the molten iron in the reducing zone substantially saturated with carbon, maintain in the slag being tapped an FeO content of about 5 weight percent or less, and maintain in the molten iron being tapped a carbon content of about 0.5 to 5 weight percent. A slag dam preferably is included in the smelter, to impede the backflow of the slag from the reducing zone to the oxidizing zone. A metal bath dam with one or more flow-through portals also is preferably used, submerged below the slag dam, to impede the backflow of the hot metal. 8 figures.

  15. Exploring the tug of war between positive and negative interactions among savanna trees: Competition, dispersal, and protection from fire

    E-Print Network [OSTI]

    Bacelar, Flora S; Hernández-García, Emílio

    2013-01-01

    Savannas are characterized by a discontinuous tree layer superimposed on a continuous layer of grass. Identifying the mechanisms that facilitate this tree-grass coexistence has remained a persistent challenge in ecology and is known as the "savanna problem". In this work, we propose a model that combines a previous savanna model (Calabrese et al., 2010), which includes competitive interactions among trees and dispersal, with the Drossel-Schwabl forest fire model, therefore representing fire in a spatially explicit manner. The model is used to explore how the pattern of fire-spread, coupled with an explicit, fire-vulnerable tree life stage, affects tree density and spatial pattern. Tree density depends strongly on both fire frequency and tree-tree competition although the fire frequency, which induces indirect interactions between trees and between trees and grass, appears to be the crucial factor controlling the tree-extinction transition in which the savanna becomes grassland. Depending on parameters, adult ...

  16. High gain photoconductive semiconductor switch having tailored doping profile zones

    DOE Patents [OSTI]

    Baca, Albert G. (Albuquerque, NM); Loubriel, Guillermo M. (Albuquerque, NM); Mar, Alan (Albuquerque, NM); Zutavern, Fred J (Albuquerque, NM); Hjalmarson, Harold P. (Albuquerque, NM); Allerman, Andrew A. (Albuquerque, NM); Zipperian, Thomas E. (Edgewood, NM); O'Malley, Martin W. (Edgewood, NM); Helgeson, Wesley D. (Albuquerque, NM); Denison, Gary J. (Sandia Park, NM); Brown, Darwin J. (Albuquerque, NM); Sullivan, Charles T. (Albuquerque, NM); Hou, Hong Q. (Albuquerque, NM)

    2001-01-01

    A photoconductive semiconductor switch with tailored doping profile zones beneath and extending laterally from the electrical contacts to the device. The zones are of sufficient depth and lateral extent to isolate the contacts from damage caused by the high current filaments that are created in the device when it is turned on. The zones may be formed by etching depressions into the substrate, then conducting epitaxial regrowth in the depressions with material of the desired doping profile. They may be formed by surface epitaxy. They may also be formed by deep diffusion processes. The zones act to reduce the energy density at the contacts by suppressing collective impact ionization and formation of filaments near the contact and by reducing current intensity at the contact through enhanced current spreading within the zones.

  17. Mushy-zone model with an exact solution

    SciTech Connect (OSTI)

    Solomon, A. D.; Wilson, D. G.; Alexiades, V.

    1982-04-01

    In this paper we propose a very simple model of a mushy zone which admits of an explicit solution. To our knowledge, it is the only instance where an actual observation of the mushy zone width and structure is used as a partial basis for the model definition. The model rests upon two unknown parameters. The first determines the relation between the equilibrium temperature gradient and the mushy zone width. The second depends upon the dendritic structure in the mushy zone, and is related to the solid fraction. Both can be estimated from experiments. We will limit ourselves to defining the model, presenting its closed form solution, and giving tables from which the solution can be found explicitly. It is shown that in most cases the predicted mushy zone is of very negligible importance.

  18. The Ecological Street Tree: Mainstreaming the Production of Street Tree-based Ecosystem Services in Northern California Cities, 1980-2008

    E-Print Network [OSTI]

    Seamans, Georgia Norma Silvera

    2010-01-01

    E. Gregory. Cooling Urban Heat Islands with Sustainableto ameliorate urban heat islands were based on scientificShade Trees in Reducing Heat Island Effect in Parking Lots,

  19. The Ecological Street Tree: Mainstreaming the Production of Street Tree-based Ecosystem Services in Northern California Cities, 1980-2008

    E-Print Network [OSTI]

    Seamans, Georgia Norma Silvera

    2010-01-01

    the role of urban trees in energy efficiency and air qualityimprovement; energy efficiency Regional urban forest planhad an energy efficiency goal, not an urban forest program

  20. Structural geology of the French Peak accommodation zone, Nevada Test Site, southwestern Nevada

    SciTech Connect (OSTI)

    Hudson, M.R.

    1997-12-31

    The French Peak accommodation zone (FPAZ) forms an east-trending bedrock structural high in the Nevada Test Site region of southwestern Nevada that formed during Cenozoic Basin and Range extension. The zone separates areas of opposing directions of tilt and downthrow on faults in the Yucca Flat and Frenchman Flat areas. Paleomagnetic data show that rocks within the accommodation zone adjacent to Yucca Flat were not strongly affected by vertical-axis rotation and thus that the transverse strikes of fault and strata formed near their present orientation. Both normal- and oblique strike-slip faulting in the FPAZ largely occurred under a normal-fault stress regime, with least principal stress oriented west-northwest. The normal and sinistral faults in the Puddle Peka segment transfers extension between the Plutonium Valley normal fault zone and the Cane Spring sinistral fault. Recognition of sinistral shear across the Puddle Peak segment allows the Frenchman Flat basin to be interpreted as an asymmetric pull-apart basin developed between the FPAZ and a zone of east-northeast-striking faults to the south that include the Rock Valley fault. The FPAZ has the potential to influence ground-water flow in the region in several ways. Fracture density and thus probably fracture conductivity is high within the FPAZ due to the abundant fault splays present. Moreover,, fractures oriented transversely to the general southward flow of ground water through Yucca Flat area are significant and have potential to laterally divert ground water. Finally, the FPAZ forms a faulted structural high whose northern and southern flanks may permit intermixing of ground waters from different aquifer levels, namely the lower carbonate, welded tuff, and alluvial aquifers. 42 refs.