National Library of Energy BETA

Sample records for rider monarch tree

  1. Demand And Response Transportation Rider's Guide

    E-Print Network [OSTI]

    Acton, Scott

    Demand And Response Transportation Rider's Guide http://www.virginia.edu/parking/disabilities/dart Version 14.5 (8/13/14) Welcome DART Rider: The Demand and Response Transportation (DART) Service rides: #12;Demand And Response Transportation Rider's Guide http

  2. Wheeler, Conrad, and Figliozzi 1 A Statistical Analysis of Bicycle Rider Performance

    E-Print Network [OSTI]

    Bertini, Robert L.

    Wheeler, Conrad, and Figliozzi 1 A Statistical Analysis of Bicycle Rider Performance: The impact) A Statistical Analysis of Bicycle Rider Performance: The impact of gender on riders' performance at signalized;Wheeler, Conrad, and Figliozzi 2 A Statistical Analysis of Bicycle Rider Performance: The impact of gender

  3. Why cogeneration developers should support cogeneration deferral riders

    SciTech Connect (OSTI)

    Spiewak, S.

    1987-04-01

    The author argues that excess capacity can increase retail rates, but deferral riders which allow utilities to offer lower rates to customers who might otherwise turn to cogeneration would optimize existing generating capacity. The author notes that encouraging cogeneration is only one goal of the Public Utility Regulatory Policies Act, while efficient use of powerplant capability is of equal importance. There will still be opportunities for cogenerators under the Cogeneration Deferral Tariff if they are patient because the concept of the tariff is to defer, not preclude cogeneration.

  4. SunRider Solar LLC | 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-Enhancing CapacityVectren)Model for theSunLan Solar Co Ltd JumpSunRider Solar LLC Jump

  5. "Knight Rider" in Graz: An autonomous car drives the guests of

    E-Print Network [OSTI]

    29.06.2009 Page 1 "Knight Rider" in Graz: An autonomous car drives the guests of honour of the RoboCup 2009 to the Stadthalle ­ without driver and without remote control Autonomous car drives State Minister to the robotics world championships Cult of the 1980s "Knight Rider" and "K.I.T.T", the intelligent, speaking car

  6. Native Habitats for Monarch Butterflies in South Rebecca G. Harvey, Patricia L. Howell, Carol Morgenstern, and Frank J. Mazzotti2

    E-Print Network [OSTI]

    Mazzotti, Frank

    of central Mexico (Figure 2). The scope of this migration resembles that of many bird species, and the fact the tens of millions of monarchs filling the sky along their migration route, or a blanket of iridescent though the monarch is not threatened as a species, its migration--one of the world's great natural

  7. Oyamel fir forest trunks provide thermal advantages for overwintering monarch butterflies in Mexico

    E-Print Network [OSTI]

    Williams, Ernest H.

    Oyamel fir forest trunks provide thermal advantages for overwintering monarch butterflies in Mexico, UniversidadNacionalAutonomadeMexico,AntiguaCarreteraaPa´ tzcuaro,Morelia,Michoacan,Mexico,5 InstitutodeGeografi´aCiudad Universitaria,UniversidadNacionalAutonomadeMexico,Coyoacan,MexicoD.F.,Mexico,6 Departmentof

  8. A review of "Image Government: Monarchical Metamorphoses in English Literature and Art." by T. R. Langley 

    E-Print Network [OSTI]

    Stephen Gleissner

    2005-01-01

    of an invaluable survey and an ingenious methodology: art and theatre historians should now borrow from and continue the in-depth study of Ut Pictura Theatrum. T. R. Langley. Image Government: Monarchical Metamorphoses in English Literature and Art. Pittsburgh... of the period cited, notably Art and Patronage in the Caroline Courts, edited by David Howarth (1993) or any of the three books on the subject by R. Malcolm Smuts (1987, 1996, and 1999). The general, well-educated reader would be lost not only in the prose...

  9. Analysis of Potential Free-Rider Eligibility for a Proposed Commercial Building Lighting Tax Deduction

    SciTech Connect (OSTI)

    Winiarski, David W.; Richman, Eric E.; Biyani, Rahul K.

    2004-09-30

    The report provides estimates of the potential volume of ''free riders'', in terms of both eligible square footage and associated available tax deductions, in a proposed commercial building lighting tax amendment to the 2003 Energy Bill. Determination of the actual tax rate for businesses and how the amendment may impact tax revenue collected by the treasury is beyond the scope of this effort. Others, such as the Treasury itself, are best equipped to make their own estimates of the eventual impact based on the total deductions available to taxable entities.

  10. IEEE TRANSACTIONS ON BIOMEDICAL ENGINEERING, VOL. 60, NO. 9, SEPTEMBER 2013 2541 Rider Trunk and Bicycle Pose Estimation With

    E-Print Network [OSTI]

    Yi, Jingang

    and Bicycle Pose Estimation With Fusion of Force/Inertial Sensors Yizhai Zhang, Student Member, IEEE, Kuo Chen interactions such as bicycling is challenging because of highly-dimensional human motion and lack the rider trunk pose and the bicycle roll angle using only inertial and force sensors. The estimation scheme

  11. Jim Rider: Bruce Rider & Sons

    E-Print Network [OSTI]

    Rabkin, Sarah

    2010-01-01

    moment. But who knows. Water, Energy, Fertilizer and Othert ask you about water or energy. Do you have any particular

  12. Jim Rider: Bruce Rider & Sons

    E-Print Network [OSTI]

    Rabkin, Sarah

    2010-01-01

    mildew, which we can control with lime sulfur and micronizeddeveloped a resistance to lime sulfur, so it’s not totallyquestion that we could have lime-sulfur-resistant scab at

  13. Jim Rider: Bruce Rider & Sons

    E-Print Network [OSTI]

    Rabkin, Sarah

    2010-01-01

    s been worthwhile. The Walmart Effect We’ve been fortunateAnd now we’re looking at—I call it the Walmart effect.Three years ago Walmart said that they were interested in

  14. Jim Rider: Bruce Rider & Sons

    E-Print Network [OSTI]

    Rabkin, Sarah

    2010-01-01

    of our nitrogen. We did use compost in our early years, andpick it up. We will buy compost if we replant an orchard,that’ s been amended with compost. But we tried putting it

  15. 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;

  16. 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

  17. EA-1800: DOE’s Proposed Financial Assistance to Illinois for the Monarch Warren County Wind Turbine Project, Lenox Township, Warren County, Illinois

    Broader source: Energy.gov [DOE]

    The U.S. Department of Energy (DOE) has provided Federal funding to the Illinois Department of Commerce and Economic Opportunity (DCEO) under the State Energy Program (SEP). DCEO is seeking to provide $5 million of its SEP funds to Monarch Wind Power (MWP), who would use these funds for the design, permitting, and construction of 12, 1.6-megawatt wind turbines, for a combined generation capacity of 19.2 megawatts.

  18. 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.

  19. 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.

  20. 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...

  1. 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

  2. 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.

  3. 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.

  4. 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

  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. 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...

  9. 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

  10. 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...

  11. 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

  12. 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

  13. 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-.

  14. 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.

  15. 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.

  16. 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

  17. 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

  18. 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

  19. 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

  20. 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

  1. 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.

  2. 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

  3. 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

  4. 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

  5. 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

  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 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

  7. 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

  8. 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.

  9. 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

  10. 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...

  11. 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...

  12. 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

  13. 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

  14. 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

  15. 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

  16. 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

  17. 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

  18. "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

  19. 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

  20. 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

  1. 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

  2. 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

  3. 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.

  4. 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.

  5. 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.

  6. 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.

  7. 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

  8. 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

  9. 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

  10. 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

  11. 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

  12. 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...

  13. "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

  14. 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

  15. Page 1 of 34 T. H. Rider

    E-Print Network [OSTI]

    Herr, Hugh

    in parentheses): #4 or 6 coffee filter Walmart, Target, etc. Balloons, straws Walmart, Target, etc. 4" steel bolt Home Depot, Lowes Washer 3/8" ID 1" OD Home Depot, Lowes Thread Walmart, Michaels Clear plastic utensils Walmart, Target, grocery stores Optical fiber www.sciplus.com (91068) pH paper

  16. ValUQWorkflowInCASL-RiderFinal

    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 Outreach Home RoomPreservationBio-Inspired SolarAbout /Two0 -Using supercritical carbon

  17. 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...

  18. 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

  19. 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...

  20. 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.

  1. 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.

  2. 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 ...

  3. 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

  4. 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 ...

  5. 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:

  6. 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

  7. 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

  8. 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.

  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. 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

  11. 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.

  12. 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

  13. 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

  14. 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

  15. 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 ...

  16. 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. ...

  17. 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

  18. 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...

  19. 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

  20. 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

  1. 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

  2. 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

  3. 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

  4. 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

  5. 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

  6. 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

  7. 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

  8. 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

  9. 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

  10. 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

  11. 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

  12. 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

  13. 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 ...

  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. 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

  18. 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

  19. 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

  20. 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

  1. 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

  2. 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

  3. 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

  4. 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

  5. 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

  6. 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.

  7. 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

  8. 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.

  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. 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...

  1. 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...

  2. 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

  3. 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

  4. 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

  5. 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

  6. 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

  7. 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

  8. 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

  9. 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

  10. 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

  11. 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

  12. 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

  13. 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

  14. 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.

  15. 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

  16. 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

  17. 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

  18. 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

  19. 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

  20. 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

  1. 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

  2. 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

  3. 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

  4. 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

  5. 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

  6. 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

  7. 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

  8. 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

  9. 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 ...

  10. 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.

  11. 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...

  12. 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.

  13. 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...

  14. 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

  15. 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 ...

  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. 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. Rider Energy Expenditure during High Intensity Horse Activity 

    E-Print Network [OSTI]

    O'Reilly, Colleen L

    2015-04-29

    (DDR) to determine if playing DDR for 30 min a day could meet minimum exercise requirements. Experienced DDR players as well as inexperienced DDR players were observed to determine if they could meet energy expenditure requirements. This study..., in contradiction with the Nintendo Wii study found that experienced DDR players exhibited exercise of a moderate intensity with mean HR of 161.2 beats per min (bpm) and mean VO2 of 25.2mL·kg -1·min-1 and expended more than 150 kcal in the 30 min exercise which...

  7. MHK Technologies/Wave Rider | 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 APPENDIXsource HistoryScenarios Towards 2050Enermar <OMISPower Desalination < MHKRider <

  8. 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

  9. 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

  10. 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.

  11. 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...

  12. 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.

  13. 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.

  14. 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.

  15. 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.

  16. 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...

  17. 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...

  18. 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

  19. 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...

  20. 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 ...

  1. 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...

  2. 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

  3. 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

  4. 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

  5. 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

  6. 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

  7. 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.

  8. 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

  9. 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

  10. 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)

  11. 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

  12. 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

  13. 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

  14. 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

  15. 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

  16. 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

  17. 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

  18. 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

  19. 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

  20. 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

  1. 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

  2. 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

  3. 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

  4. 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

  5. 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

  6. 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

  7. 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

  8. 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

  9. 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

  10. 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

  11. 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

  12. 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.

  13. 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

  14. 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

  15. 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

  16. 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

  17. 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

  18. 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

  19. 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

  20. 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

  1. 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

  2. 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

  3. 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

  4. 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

  5. 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

  6. 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

  7. 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

  8. 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

  9. 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

  10. 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

  11. 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

  12. 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

  13. 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

  14. 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

  15. 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.

  16. 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

  17. 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

  18. 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

  19. 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.

  20. 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

  1. 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

  2. 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 ...

  3. 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,

  4. 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

  5. Parallel Algorithms for Graph Optimization using Tree Decompositions

    SciTech Connect (OSTI)

    Sullivan, Blair D; Weerapurage, Dinesh P; Groer, Christopher S

    2012-06-01

    Although many $\\cal{NP}$-hard graph optimization problems can be solved in polynomial time on graphs of bounded tree-width, the adoption of these techniques into mainstream scientific computation has been limited due to the high memory requirements of the necessary dynamic programming tables and excessive runtimes of sequential implementations. This work addresses both challenges by proposing a set of new parallel algorithms for all steps of a tree decomposition-based approach to solve the maximum weighted independent set problem. A hybrid OpenMP/MPI implementation includes a highly scalable parallel dynamic programming algorithm leveraging the MADNESS task-based runtime, and computational results demonstrate scaling. This work enables a significant expansion of the scale of graphs on which exact solutions to maximum weighted independent set can be obtained, and forms a framework for solving additional graph optimization problems with similar techniques.

  6. Transfer matrix for spanning trees, webs and colored forests

    E-Print Network [OSTI]

    J. G. Brankov; V. S. Poghosyan; V. B. Priezzhev; P. Ruelle

    2014-05-02

    We use the transfer matrix formalism for dimers proposed by Lieb, and generalize it to address the corresponding problem for arrow configurations (or trees) associated to dimer configurations through Temperley's correspondence. On a cylinder, the arrow configurations can be partitioned into sectors according to the number of non-contractible loops they contain. We show how Lieb's transfer matrix can be adapted in order to disentangle the various sectors and to compute the corresponding partition functions. In order to address the issue of Jordan cells, we introduce a new, extended transfer matrix, which not only keeps track of the positions of the dimers, but also propagates colors along the branches of the associated trees. We argue that this new matrix contains Jordan cells.

  7. Exponential growth of ponds in invasion percolation on regular trees

    E-Print Network [OSTI]

    Goodman, Jesse

    2009-01-01

    In invasion percolation, the edges of successively maximal weight (the outlets) divide the invasion cluster into a chain of ponds separated by outlets. On the regular tree, the ponds are shown to grow exponentially, with law of large numbers, central limit theorem and large deviation results. The tail asymptotics for a fixed pond are also studied and are shown to be related to the asymptotics of a critical percolation cluster, with a logarithmic correction.

  8. Trees & Other Ramifications: Branches in Nature and Culture

    E-Print Network [OSTI]

    Goddard, Stephen; Hardy, Saralyn Reece; Krishtalka, Leonard

    2009-01-01

    of astronomy or literary criticism is socially acceptable, but is just as compulsive and possibly just as meaningless. “Taken to a metaphysical level, this inclination manifests itself as a tendency to fixate on things that cannot be seen or even be proven.... They draw us onto the larger public square that demands universal reflection and responsibility. Museum as tree bends with the wind now, grows deep and abiding roots for the future, buds new and errant leaves, shades our community, and sheds its...

  9. Oak Leaf Roller and Springtime Defoliation of Live Oak Trees 

    E-Print Network [OSTI]

    Drees, Bastiaan M.

    2004-03-26

    . Two such caterpillars are the oak leaf roller, Archips semiferana (Walker) (Lepi- doptera: Tortricidae), and an associated species, Sparga- nothis pettitana. These insects occur throughout Texas but are most destructive in the Hill Country and South... broad- rimmed hats and long-sleeved shirts while out- doors may also help prevent contact with these insects. Damage When a tree is defoliated during the growing season, it becomes stressed and occasionally seri- ous damage can occur. Green leaves...

  10. 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.

  11. 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.

  12. Elevated CO2 increases tree-level intrinsic water use efficiency: insights from carbon and oxygen isotope analyses in tree rings

    E-Print Network [OSTI]

    - see, USA) sites, to cover the entire life of the trees. We used d13 C to assess carbon isotopeElevated CO2 increases tree-level intrinsic water use efficiency: insights from carbon and oxygen intrinsic water use efficiency (WUEi) of forests, but the magnitude of this effect and its interaction

  13. Enumeration of spanning trees in a pseudofractal scale-free web

    E-Print Network [OSTI]

    Zhongzhi Zhang; Hongxiao Liu; Bin Wu; Shuigeng Zhou

    2010-08-02

    Spanning trees are an important quantity characterizing the reliability of a network, however, explicitly determining the number of spanning trees in networks is a theoretical challenge. In this paper, we study the number of spanning trees in a small-world scale-free network and obtain the exact expressions. We find that the entropy of spanning trees in the studied network is less than 1, which is in sharp contrast to previous result for the regular lattice with the same average degree, the entropy of which is higher than 1. Thus, the number of spanning trees in the scale-free network is much less than that of the corresponding regular lattice. We present that this difference lies in disparate structure of the two networks. Since scale-free networks are more robust than regular networks under random attack, our result can lead to the counterintuitive conclusion that a network with more spanning trees may be relatively unreliable.

  14. Natural migration rates of trees: Global terrestrial carbon cycle implications. Book chapter

    SciTech Connect (OSTI)

    Solomon, A.M.

    1996-06-01

    The paper discusses the forest-ecological processes which constrain the rate of response by forests to rapid future environmental change. It establishes a minimum response time by natural tree populations which invade alien landscapes and reach the status of a mature, closed canopy forest when maximum carbon storage is realized. It considers rare long-distance and frequent short-distance seed transport, seedling and tree establishment, sequential tree and stand maturation, and spread between newly established colonies.

  15. Medial-Axis Biased Rapidly-Exploring Random Trees 

    E-Print Network [OSTI]

    Greco, Evan

    2012-05-09

    , 1998, 1998. [3] S. A. Wilmarth, N. M. Amato, and P. F. Stiller, MAPRM: A probabilistic roadmap planner with sampling on the medial axis of the free space. In Proc. IEEE Int. Conf. Robot. Autom. (ICRA), vol. 2, pp. 1024{1031, 1999. [4] J. J. Ku?ner and S.... M. LaValle, RRT-Connect: An eÆcient approach to single- query path planning. In Proc. IEEE Int. Conf. Robot. Autom. (ICRA), pp. 995{1001, 2000. [5] S. Rodriguez, X. Tang, J. M. Lien, and N. M. Amato, An obstacle-based rapidly- exploring random tree...

  16. Waste Management Fault Tree Data Bank (WM): 1992 status report

    SciTech Connect (OSTI)

    Baughman, D.F.; Hang, P.; Townsend, C.S.

    1993-08-30

    The Risk Assessment Methodology Group (RAM) of the Nuclear Process Safety Research Section (NPSR) maintains a compilation of incidents that have occurred in the Waste Management facilities. The Waste Management Fault Tree Data Bank (WM) contains more than 35,000 entries ranging from minor equipment malfunctions to incidents with significant potential for injury or contamination of personnel. This report documents the status of the WM data bank including: availability, training, source of data, search options, and usage, to which these data have been applied. Periodic updates to this memorandum are planned as additional data or applications are acquired.

  17. Lone Tree, Colorado: Energy Resources | 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 View NewTexas:Montezuma, Arizona:Oregon: EnergyLloyd, New York:Lodi,NorthLomita,Londonderry,Tree,

  18. Tree Oils India Ltd TOIL | 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 (Utility Company) Jump to: navigation, searchTransCanadaWebinarTree Oils

  19. Cherry Tree, Oklahoma: Energy Resources | 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 JEnvironmentalBowerbank,CammackFLIR JumpMaine: EnergyEnergyEnergyChengduSouthTree, Oklahoma: Energy

  20. Distribution and Dispersal of the South Pacifc Tree, Fagraea Berteriana (Loganiaceae)

    E-Print Network [OSTI]

    Hanna, Zachary R.

    2006-01-01

    addressing  the  ridge  top  distribution phenomenon.    ADISTRIBUTION AND DISPERSAL OF THE SOUTH PACIFC TREE, FAGRAEAits  inter? island distribution in the South Pacific.   I 

  1. Case-Based Support for Forestry Decisions: How to See the Wood from the Trees

    E-Print Network [OSTI]

    Bridge, Derek

    is to estimate what products can be produced from a tree, e.g. size and quality of planks, amount of wood-chip

  2. Extending Dynamics to Tree Graph Domains: Two Examples from Math Biology

    E-Print Network [OSTI]

    Rathinam, Muruhan

    theory and dendritic trees (Pyramidal cell from mouse cortex; by Santiago Ramon) 2. Population persistence in advection-dominated environments (river networks) (Amazon river basin: courtesy of Hideki

  3. Genomics-based breeding in forest trees: are we there yet?

    E-Print Network [OSTI]

    Neale, David

    2011-01-01

    PRESENTATION Open Access Genomics-based breeding in forestEfforts to realize genomics-based breeding in conifer treeUSDA. The Conifer Translational Genomics Network Coordinated

  4. Toxic hazards of the industrial atmospheric pollutant sulphur dioxide on tree crops

    E-Print Network [OSTI]

    Rani, B Dr.

    2009-01-01

    and Khan, 1984). In Kerala State, though atmosphericperennial tree crop of Kerala, which plays a major role inat Trivandrum district of Kerala State, concerned with the

  5. Toxic hazards of the industrial atmospheric pollutant sulphur dioxide on tree crops

    E-Print Network [OSTI]

    Rani, B Dr.

    2009-01-01

    of industrial activity. Coconut (Cocos nucifera L. ), theon tree crops such as coconut. The study aims at elucidatingnut characters of the coconut palm. MATERIALS AND METHODS

  6. Supersonic Air Jets Preserve Tree Roots in Underground Pipeline Installation1

    E-Print Network [OSTI]

    Supersonic Air Jets Preserve Tree Roots in Underground Pipeline Installation1 Rob Gross 2 trenching operations for pipeline installation. Although mechanical soil excavation using heavy equipment

  7. Weiqi games as a loop-free tree

    E-Print Network [OSTI]

    Xu, Li-Gong; Zhou, Wei-Xing

    2015-01-01

    Weiqi is one of the most complex board games played by two persons. The placement strategies adopted by Weiqi players are often used to analog the philosophy of human wars. Contrary to the western chess, Weiqi games are less studied by academics partially because Weiqi is popular only in East Asia, especially in China, Japan and Korea. Here, we propose to construct a directed tree using a database of extensive Weiqi games and perform a quantitative analysis of the Weiqi tree. We find that the popularity distribution of Weiqi openings with a same number of moves is distributed according to a power law and the tail exponent increases with the number of moves. Intriguingly, the superposition of the popularity distributions of Weiqi openings with the number of moves no more than a given number also has a power-law tail in which the tail exponent increases with the number of moves, and the superposed distribution approaches to the Zipf law. These findings are the same as for chess and support the conjecture that t...

  8. Author's personal copy Wading bird guano contributes to Hg accumulation in tree island soils

    E-Print Network [OSTI]

    Ma, Lena

    . The mean Hg concentration in surface soils of ghost tree islands was low and similar to marsh soil. For live tree islands, Hg concentrations in the surface head region were considerably greater than those Everglades typically consists of head, middle and tail re- gions (Mason and Valk, 2002). The head is the most

  9. Original article Water extraction by tree fine roots in the forest

    E-Print Network [OSTI]

    Paris-Sud XI, Université de

    Original article Water extraction by tree fine roots in the forest floor of a temperate Fagus Germany. By field and laboratory measurements the aim was to quantify the water extraction by those tree extract more water per standing crop of root biomass and, thus, are thought to operate more economically

  10. Water movement and its resistance in young trees of Cryptomeria japonica

    E-Print Network [OSTI]

    Paris-Sud XI, Université de

    Water movement and its resistance in young trees of Cryptomeria japonica H. Yahata Laboratory Information about water flow resistance is essential to understanding and simulating water movement in trees japonica and no data are available on the gradient of water potential in intact stem. This study

  11. Classification of remotely sensed imagery using stochastic gradient boosting as a refinement of classification tree analysis

    E-Print Network [OSTI]

    Lawrence, Rick L.

    trees) are increasingly being used for analysis and classification of remotely sensed digital imageryClassification of remotely sensed imagery using stochastic gradient boosting as a refinement of classification tree analysis Rick Lawrencea,*, Andrew Bunna , Scott Powellb , Michael Zambona a Department

  12. A Thesis for the Degree of Master An Efficient Tree-based Group Key

    E-Print Network [OSTI]

    Kim, Kwangjo

    A Thesis for the Degree of Master An Efficient Tree-based Group Key Agreement using Bilinear Map-based Group Key Agreement using Bilinear Map #12;An Efficient Tree-based Group Key Agreement using Bilinear in partial fulfillment of the require- ments for the degree of Master of Science in the School of Engineering

  13. A New Weighted Shortest Path Tree for Convergecast Traffic Routing in WSN

    E-Print Network [OSTI]

    Boyer, Edmond

    , existing SPT approaches aim to construct a tree rooted at the sink such that the cost of the path from any to the basic one. Index Terms--Wireless Sensor Networks (WSN), Shortest Path Tree (SPT), weighted path cost such that the path cost from any node to the sink is minimal. In existing construction algorithms, the cost of a path

  14. WIDTH AND MODE OF THE PROFILE FOR RANDOM TREES OF LOGARITHMIC HEIGHT1

    E-Print Network [OSTI]

    Devroye, Luc

    Science Academia Sinica Taipei 115 Taiwan August 21, 2005 Abstract We propose a new, direct, correlation by a grant from National Science Council. 1 #12;1 Introduction Most random trees in the discrete probability literature have height either of order p n or of order log n (n being the tree size); see Aldous (1991

  15. Distributed Throughput Optimization for ZigBee Cluster-Tree Networks

    E-Print Network [OSTI]

    Zhuang, Weihua

    1 Distributed Throughput Optimization for ZigBee Cluster-Tree Networks Yu-Kai Huang§, Ai-Chun Pang connectivity in inexpensive, portable, and mobile devices. Among the well-known ZigBee topologies, ZigBee will be generated. However, the restricted routing of a ZigBee cluster- tree network may not be able to provide

  16. Minimal Spray Strategy for Frosted Apple Trees Nikki Rothwell, District Fruit IPM Educator

    E-Print Network [OSTI]

    1 Minimal Spray Strategy for Frosted Apple Trees Nikki Rothwell, District Fruit IPM Educator Amy morning frost of Saturday, May 6th , many apples in the northwest region were affected. Based on some preliminary observations, we have found most apples in 'cherry sites' fared pretty well, although some trees

  17. Apple detection in natural tree canopies from multimodal images J. P. Wachs1,2

    E-Print Network [OSTI]

    Wachs, Juan

    1 Apple detection in natural tree canopies from multimodal images J. P. Wachs1,2 , H. I. Stern2 , T apples within a tree canopy using infra-red and color images in order to achieve automated harvesting. Infra-red provides clues regarding the physical structure and location of the apples based

  18. Borer problems and their control in dwarf apple trees David Kain, Entomology, NYSAES, Geneva, NY

    E-Print Network [OSTI]

    Agnello, Arthur M.

    Borer problems and their control in dwarf apple trees David Kain, Entomology, NYSAES, Geneva, NY in western New York, were invading burrknots on dwarf apple trees. About the same time, Dick Straub seemed to be becoming more common in dwarf apple plantings, as well. Based on Deb's alert, we decided

  19. Shapes of tree representations of spinglass Wim Hordijk a , Jose F. Fontanari a

    E-Print Network [OSTI]

    Stadler, Peter F.

    that result from the energy landscapes of p­spin 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

  20. 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.

  1. Event Tree Analysis Using Binary Decision Diagrams J.D. Andrews and S.J. Dunnett

    E-Print Network [OSTI]

    of the fault trees. In these situations it is shown that analysis methods based on traditional fault tree hazardous event. It was first applied in risk assessments for the nuclear industry but is now utilised by other industries such as chemical processing, offshore oil and gas production, and transportation

  2. Day et al.: Deep Structural Roots in Urban Trees 2009 International Society of Arboriculture

    E-Print Network [OSTI]

    Virginia Tech

    when root collars are as little as 7.5 cm (3 in) deep. In some cases, deep structural roots trees respond to being located abnormally deep in the soil profile. This condition is widespread among), or is compacted (Day et al. 2001). Planting trees too deep with their root collars below soil grade can thus

  3. An adult pine weevil feeding on the bark of the main stem of a young tree.

    E-Print Network [OSTI]

    Figure 1 An adult pine weevil feeding on the bark of the main stem of a young tree. 1 P R A C T I C forest sites after clearfelling. Typically, adult weevils feed on bark of the main stem (Figure 1 of attack, the main management alternatives are to delay planting, to restock with pre- treated trees or

  4. Space-Filling Trees: A New Perspective on Incremental Search for Motion Planning

    E-Print Network [OSTI]

    Cortes, Corinna

    of the square space-filling tree. electrical power, gas, or water distribution systems for cities. Engineers key tree properties related to path quality and the overall efficiency of exploration and conclude the pulmonary network of the lungs, and the blood vessel networks of animal circulatory systems [15

  5. Fast Hash-Based Algorithms for Analyzing Large Collections of Evolutionary Trees 

    E-Print Network [OSTI]

    Sul, Seung Jin

    2011-02-22

    , current approaches are not designed to analyze very large tree collections. In this dissertation, we present two fast algorithms— HashCS and HashRF —for analyzing large collections of evolutionary trees based on a novel hash table data structure, which...

  6. Breakpoint Distance and PQ-Trees Haitao Jiang1,2

    E-Print Network [OSTI]

    Chauve, Cedric

    recently been used in compara- tive genomics to model ancestral genomes with some uncertainty: given a phylogeny for some species, extant genomes are represented by per- mutations on the leaves of the tree, and each internal node in the phy- logenetic tree represents an extinct ancestral genome, represented

  7. ABSTRACT APPROACH TO RAMSEY THEORY AND RAMSEY THEOREMS FOR FINITE TREES

    E-Print Network [OSTI]

    Solecki, Slawomir

    ABSTRACT APPROACH TO RAMSEY THEORY AND RAMSEY THEOREMS FOR FINITE TREES SLAWOMIR SOLECKI Abstract. I will give a presentation of an abstract approach to finite Ramsey theory found in an earlier paper of mine. I will prove from it a common generalization of Deuber's Ramsey theorem for regular trees

  8. PATHS, TREES, AND THE COMPUTATIONAL STRENGTH OF SOME RAMSEY-TYPE THEOREMS

    E-Print Network [OSTI]

    Cholak, Peter

    PATHS, TREES, AND THE COMPUTATIONAL STRENGTH OF SOME RAMSEY-TYPE THEOREMS A Dissertation Submitted Rights Reserved #12;PATHS, TREES, AND THE COMPUTATIONAL STRENGTH OF SOME RAMSEY-TYPE THEOREMS Abstract principles and computational strength. In particular, much work has been done on theorems similar to Ramsey

  9. The Size-Ramsey Number of Trees P.E. Haxell1* and Y. Kohayakawa2

    E-Print Network [OSTI]

    Kohayakawa, Yoshiharu

    The Size-Ramsey Number of Trees P.E. Haxell1* and Y. Kohayakawa2 1Department of Pure- matic copy of H in any 2-colouring of the edges of G. The size-Ramsey number re* *(H) of a graph H are concerned with a numerical problem in Ramsey theory: we shall study the size-Ramsey number of trees. Before

  10. Post-transplant Establishment and Economic Value of Three Tree Species from Five Container Sizes 

    E-Print Network [OSTI]

    Garcia, Lauren

    2015-05-05

    . ........................................ 56 1 CHAPTER I INTRODUCTION AND LITERATURE REVIEW Nurseries over the years have produced trees in larger and larger container sizes (Arnold, 2004; Watson, 2004), and even large box stores, such as Walmart, Lowe’s, and Home Depot, now sell trees...

  11. Energy-Efficient Distributed Constructions of Minimum Spanning Tree for Wireless Ad-hoc

    E-Print Network [OSTI]

    Khan, Maleq

    1 Energy-Efficient Distributed Constructions of Minimum Spanning Tree for Wireless Ad-hoc Networks and energy efficient for being practical. Motivated by these considerations, we study the performance of a class of simple and local algorithms called Nearest Neighbor Tree (NNT) algorithms for energy

  12. Lowest Common Ancestors in Trees and Directed Acyclic Graphs1 Michael A. Bender2 3

    E-Print Network [OSTI]

    Bender, Michael

    lowest common ancestors(LCA) in trees and directed acyclic graphs (DAGs). Specifically, we extend the LCA problem to DAGs and study the LCA variants that arise in this general setting. We begin with a clear exposition of Berkman and Vishkin's simple optimal algorithm for LCA in trees. The ideas presented

  13. Carbon allocation among tree organs: A review of basic processes and representation

    E-Print Network [OSTI]

    Paris-Sud XI, Université de

    allocation coefficients; (ii) models based on growth rules, including functional balance or "goal allocation is a key component in function- al-structural tree models (FSTMs). In the short term, parReview Carbon allocation among tree organs: A review of basic processes and representation

  14. EGG MASS INFLUENCES NESTLING QUALITY IN TREE SWALLOWS, BUT THERE IS NO DIFFERENTIAL ALLOCATION

    E-Print Network [OSTI]

    Dunn, Peter O.

    EGG MASS INFLUENCES NESTLING QUALITY IN TREE SWALLOWS, BUT THERE IS NO DIFFERENTIAL ALLOCATION Museum, University of Oslo, P.O. Box 1172, Blindern, 0318 Oslo, Norway Abstract. Maternal allocation quality (growth and immune function) in Tree Swallows (Tachycineta bicolor). There was no evidence

  15. Timed Fault Tree Models of the China Yongwen Railway Accident , Zhaoguang Peng2,

    E-Print Network [OSTI]

    Miller, Alice

    analysis (FMEA), fault tree analysis (FTA) [3], functional hazard analysis, and event tree analysis (ETA that involves applying a set of descriptors to a number of parameters. FMEA is an effective analytical tool used to examine possible failure modes and to eliminate potential failure during system designs [5]. FMEA

  16. Data Mining and Tree-based Optimization H. Bodek and R. L. Grossman

    E-Print Network [OSTI]

    Grossman, Robert

    Data Mining and Tree-based Optimization H. Bodek and R. L. Grossman Magnify, Inc. H. V. Poor Northcutt, and H. Vince Poor, Data Mining and Tree-based Op- timization, Proceedings of the Second International Conference on Knowledge Discovery and Data Mining, E. Simoudis, J. Han and U. Fayyad, editors

  17. DISEASED EUPHORBIA TREES IN SOUTH AFRICA HARBOURS UNEXPLORED FUNGAL AND INSECT BIODIVERSITY, INCLUDING

    E-Print Network [OSTI]

    alarming reports of large-scale decline and death of Euphorbia ingens trees in South Africa. Mortality of these iconic trees as part of an MSc project. During investigations into the death of E. ingens, as well as E identified and are associated with die-back symptoms on E. ingens. L. theobromae was isolated from Cossonus

  18. 20th century seasonal moisture balance in Southeast Asian montane forests from tree cellulose 18

    E-Print Network [OSTI]

    Stott, Lowell

    20th century seasonal moisture balance in Southeast Asian montane forests from tree cellulose 18 O composition (18 O) of sub- annual tree cellulose samples of Pinus kesiya growing at 1,500 m elevation on Doi Chiang Dao in northern Thailand. The cellulose 18 O values exhibit a distinctive annual cycle

  19. Climate signal age effects--Evidence from young and old trees in the Swiss Engadin

    E-Print Network [OSTI]

    Esper, Jan

    Climate signal age effects--Evidence from young and old trees in the Swiss Engadin Jan Esper a of these long-term records are composed of >1000- year old living trees, such as the reconstructions from different climatic information than ``adult'' rings that are typically defined as being older than 50

  20. RESTRICTING THE WEAK-GENERATIVE CAPACITY OF SYNCHRONOUS TREE-ADJOINING GRAMMARS

    E-Print Network [OSTI]

    Shieber, Stuart

    RESTRICTING THE WEAK-GENERATIVE CAPACITY OF SYNCHRONOUS TREE-ADJOINING GRAMMARS STUART M. SHIEBER: Synchronous tree-adjoining grammars, weak-generative ca- pacity, machine translation, natural reasons. First, the weak-generative expressivity of TAGs is increased through the synchronization

  1. Cryptographic Protocols to Fight Sinkhole Attacks on Tree-based Routing in Wireless Sensor Networks

    E-Print Network [OSTI]

    Ives, Zachary G.

    Cryptographic Protocols to Fight Sinkhole Attacks on Tree-based Routing in Wireless Sensor Networks in limiting network degradation caused by sinkhole attacks on tree-based routing topologies in Wireless Sensor in improving resilience against sinkhole attacks, even in the presence of some collusion. I. INTRODUCTION

  2. Cryptographic Protocols to Fight Sinkhole Attacks on Tree-based Routing in Wireless Sensor Networks

    E-Print Network [OSTI]

    Le Fessant, Fabrice - Institut national de recherche en informatique et en automatique, Centre de recherche INRIA Saclay

    Cryptographic Protocols to Fight Sinkhole Attacks on Tree-based Routing in Wireless Sensor Networks in limiting network degradation caused by sinkhole attacks on tree-based routing topologies in Wireless Sensor are effective in improving resilience against sinkhole attacks, even in the presence of some collusion. I

  3. Spread of North American wind-dispersed trees in future environments

    E-Print Network [OSTI]

    He, Yanping

    LETTER Spread of North American wind-dispersed trees in future environments Ran Nathan,1 * Nir a formidable challenge to be confronted. We modelled the spread of North American wind- dispersed trees species, predicted wind-driven spread will match future climate changes, conditioned on seed abscission

  4. ecan trees grow in many settings, including woodlands, parks, urban greenbelts, courthouse lawns, and thousands

    E-Print Network [OSTI]

    Mukhtar, Saqib

    , and thousands of home landscapes. The pecan is the state tree of Texas and has an important place in the state). The trees are large and long-lived; they bear larger crops than do the natives; and they can be resistant plant early-harvest varieties to avoid fall freeze injury to maturing nuts. Freezing weather can also

  5. Computer based pedestrian landscape design using decision tree templates Baranidharan Raman a,

    E-Print Network [OSTI]

    Raman, Barani

    Computer based pedestrian landscape design using decision tree templates Baranidharan Raman a. In this paper, we demonstrate the application of a decision tree learning algorithm for designing pedestrian that queried responses to cognitive, physical and social attributes that influence pedestrian spatial analysis

  6. REMOTELY SENSING STRESS IN STREET TREES USING HIGH SPATIAL RESOLUTION DATA*

    E-Print Network [OSTI]

    REMOTELY SENSING STRESS IN STREET TREES USING HIGH SPATIAL RESOLUTION DATA* Tim J Malthus1 the potential of remote sensing technologies as a cost- effective tool for deriving rapid, large scale information for remote sensing of stress in street trees. Scale continues to be a significant barrier

  7. Trace Elements in Tree Rings: Evidence of Recent and Historical Air Pollution

    E-Print Network [OSTI]

    Baes, Fred

    Trace Elements in Tree Rings: Evidence of Recent and Historical Air Pollution C. F. Baes III and S and Historical Air Pollution Abstract. Annual growth rinks from short-leaf pine trees in the Great Smoky years, a period when regional fossil fuel combustion emissions increased about 200 percent. Metals

  8. Prediction of tree diameter growth using quantile regression and mixed-effects models

    E-Print Network [OSTI]

    Cao, Quang V.

    of Oklahoma Health Sciences Center, Oklahoma City, OK 73104, USA b School of Renewable Natural ResourcesPrediction of tree diameter growth using quantile regression and mixed-effects models Som B. Bohora is an important component of an individual-tree model. This function can be considered as a mixed-effects model

  9. On neurofuzzy and fuzzy decision tree approaches Cristina OLARU, Louis WEHENKEL

    E-Print Network [OSTI]

    Wehenkel, Louis

    On neurofuzzy and fuzzy decision tree approaches Cristina OLARU, Louis WEHENKEL University of Li of fuzzy information are presented, compared and combined : neurofuzzy systems based on multilayer feedforward neural networks and fuzzy decision trees based on top down induction. Neurofuzzy systems take

  10. Distributed Sampling-Based Roadmap of Trees for Large-Scale Motion Planning

    E-Print Network [OSTI]

    Kavraki, Lydia E.

    Distributed Sampling-Based Roadmap of Trees for Large-Scale Motion Planning Erion Plaku and Lydia E of the Sampling-based Roadmap of Trees (SRT) algorithm using a decentralized master-client scheme. The distributed that similar speedups can be obtained with several hundred processors. Index Terms-- motion planning, roadmap

  11. DRAFT, November 2, 1998 Carbon Sequestration via Tree Planting on Agricultural Lands

    E-Print Network [OSTI]

    McCarl, Bruce A.

    1 DRAFT, November 2, 1998 Carbon Sequestration via Tree Planting on Agricultural Lands: An Economic affect program cost and net carbon sequestration. The focus on the provisions of tree planting agreements the cost and net carbon gains under a sequestration program. We will also investigate design aspects

  12. 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

  13. 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

  14. Tree Biomass Estimates on Forest Land in California's North Coast Region1

    E-Print Network [OSTI]

    Tree Biomass Estimates on Forest Land in California's North Coast Region1 Tian-Ting Shih2 Tree biomass is one essential component in a forest ecosystem and is getting more attention nowadays due to its sequestration, energy production, and other natural and social resources uses and impacts. A biomass estimator

  15. A lower bound for the tree-width of planar graphs with vital linkages

    E-Print Network [OSTI]

    Adler, Isolde

    A lower bound for the tree-width of planar graphs with vital linkages Isolde Adler, Philipp Klaus implementable. The algorithm uses a bound on the tree- width of graphs with vital linkages, and deletion with vital linkages, and for the size of the grid necessary for finding irrelevant vertices. 1 Introduction

  16. The Health of Non-Woodland Trees in England in 2004 By K. V. Thorpe1

    E-Print Network [OSTI]

    1 The Health of Non-Woodland Trees in England in 2004 By K. V. Thorpe1 , J. Poole, D. R. Rose, J of specific pests and diseases listed in the survey instructions, as well as overall indicators of health were also asked to look for any insect exit holes, whereas in previous 1 Tree Health Division, Forest

  17. Global Trees: A Framework for Linked Data Structures on Distributed Memory Parallel Systems

    SciTech Connect (OSTI)

    Larkins, D. B.; Dinan, James S.; Krishnamoorthy, Sriram; Parthasarathy, Srinivasan; Rountev, Atanas; Sadayappan, Ponnuswamy

    2008-11-17

    This paper describes the Global Trees (GT) system that provides a multi-layered interface to a global address space view of distributed tree data structures, while providing scalable performance on distributed memory systems. The Global Trees system utilizes coarse-grained data movement to enhance locality and communication efficiency. We describe the design and implementation of GT, illustrate its use in the context of a gravitational simulation application, and provide experimental results that demonstrate the effectiveness of the approach. The key benefits of using this system include efficient sharedmemory style programming of distributed trees, tree-specific optimizations for data access and computation, and the ability to customize many aspects of GT to optimize application performance.

  18. 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)

  19. New design of a guidelineless horizontal tree for deepwater ESP wells

    SciTech Connect (OSTI)

    Olijnik, L.A.; Vigesa, S.; Paula, M.T.R.; Figueiredo, M.W. de; Rutherford, H.W.

    1996-12-31

    This paper presents the new design of a horizontal tree for deepwater installation, as a key piece of equipment for application of a Electrical Submersible Pump in Subsea Wells. The production from subsea wells equipped with ESPs is a reality since October/94 with the first installation in Campos Basin. The horizontal tree adds simplicity to workover operations expected to be two to three times more frequency when compared to natural flow or gas lifted wells. The design and fabrication of the deepwater horizontal tree is a result of a Technological Cooperation Agreement. The design incorporates new solutions, mainly in diverless guidelineless connection of power cables and flowlines using the vertical connection system. The guidelineless horizontal subsea tree is fully prepared to be integrated on the new manifolds being designed for the Brazilian deepwater oilfields. The applications of the horizontal trees in subsea ESP wells reduce intervention cost, increasing economical attractiveness and scenarios for the applications of this new boosting technology.

  20. A Language for Bi-Directional Tree Transformations Michael B. Greenwald, Jonathan T. Moore, Benjamin C. Pierce, and Alan Schmitt

    E-Print Network [OSTI]

    Pierce, Benjamin C.

    and a core program- ming language for bi-directional transformations on tree- stuctured data. In one, to a correspondingly modified concrete tree. The challenge of understanding and designing these trans- formations

  1. Tree-level electron-photon interactions in graphene

    E-Print Network [OSTI]

    Matthew Mecklenburg; Jason Woo; B. C. Regan

    2010-06-04

    Graphene's low-energy electronic excitations obey a 2+1 dimensional Dirac Hamiltonian. After extending this Hamiltonian to include interactions with a quantized electromagnetic field, we calculate the amplitude associated with the simplest, tree-level Feynman diagram: the vertex connecting a photon with two electrons. This amplitude leads to analytic expressions for the 3D angular dependence of photon emission, the photon-mediated electron-hole recombination rate, and corrections to graphene's opacity $\\pi \\alpha$ and dynamic conductivity $\\pi e^2/2 h$ for situations away from thermal equilibrium, as would occur in a graphene laser. We find that Ohmic dissipation in perfect graphene can be attributed to spontaneous emission.

  2. Tree Level Metastability and Gauge Mediation in Baryon Deformed SQCD

    E-Print Network [OSTI]

    Barnard, James

    2009-01-01

    We investigate supersymmetric QCD with gauge group SU(2) and a baryon deformation to the superpotential. The existence of an uplifted vacuum at the origin with tree level metastability is demonstrated. When this model is implemented in a direct gauge mediation scenario we therefore find gaugino masses which are comparable to sfermion masses and parameterised by an effective number of messengers 1/8. All deformations are well motivated by appealing to the electric theory and an R-symmetry. This R-symmetry is explicitly broken by the same term responsible for supersymmetry breaking. Moreover, the model does not suffer from the Landau pole problem and we find that it can be described in terms of just two scales: the weak scale and a high scale like the Planck or GUT scale. The model can be tested by searching for new particles at the TeV scale charged under the visible sector gauge group.

  3. Tree Level Metastability and Gauge Mediation in Baryon Deformed SQCD

    E-Print Network [OSTI]

    James Barnard

    2010-02-15

    We investigate supersymmetric QCD with gauge group SU(2) and a baryon deformation to the superpotential. The existence of an uplifted vacuum at the origin with tree level metastability is demonstrated. When this model is implemented in a direct gauge mediation scenario we therefore find gaugino masses which are comparable to sfermion masses and parameterised by an effective number of messengers 1/8. All deformations are well motivated by appealing to the electric theory and an R-symmetry. This R-symmetry is explicitly broken by the same term responsible for supersymmetry breaking. Moreover, the model does not suffer from the Landau pole problem and we find that it can be described in terms of just two scales: the weak scale and a high scale like the Planck or GUT scale. The model can be tested by searching for new particles at the TeV scale charged under the visible sector gauge group.

  4. Improving multivariate Horner schemes with Monte Carlo tree search

    E-Print Network [OSTI]

    J. Kuipers; J. A. M. Vermaseren; A. Plaat; H. J. van den Herik

    2012-07-30

    Optimizing the cost of evaluating a polynomial is a classic problem in computer science. For polynomials in one variable, Horner's method provides a scheme for producing a computationally efficient form. For multivariate polynomials it is possible to generalize Horner's method, but this leaves freedom in the order of the variables. Traditionally, greedy schemes like most-occurring variable first are used. This simple textbook algorithm has given remarkably efficient results. Finding better algorithms has proved difficult. In trying to improve upon the greedy scheme we have implemented Monte Carlo tree search, a recent search method from the field of artificial intelligence. This results in better Horner schemes and reduces the cost of evaluating polynomials, sometimes by factors up to two.

  5. Genealogical tree of Russian schools on Nonlinear Dynamics

    E-Print Network [OSTI]

    Prants, S V

    2015-01-01

    One of the most prominent feature of research in Russia and the former Soviet Union is so-called scientific schools. It is a collaboration of researchers with a common scientific background working, as a rule, together in a specific city or even at an institution. The genealogical tree of scientific schools on nonlinear dynamics in Russia and the former Soviet Union is grown. We use these terminology in a broad sense including theory of dynamical systems and chaos and its applications in nonlinear physics. In most cases we connect two persons if one was an advisor of the Doctoral thesis of another one. It is an analogue of the Candidate of Science thesis in Russia. If the person had no official advisor or we don't know exactly who was an advisor, we fix that person who was known to be an informal teacher and has influenced on him/her very much.

  6. Proceedings of the Sudden Oak Death Third Science Symposium Invasion of Xylem of Mature Tree Stems by

    E-Print Network [OSTI]

    was attempted from the inner surface of 81, 6 x 4 cm sterilised discoloured wood panels from 53 trees

  7. 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.

  8. Does elevated CO2 alter silica uptake in trees?

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

    Fulweiler, Robinson W.; Maguire, Timothy J.; Carey, Joanna C.; Finzi, Adrien C.

    2015-01-13

    Human activities have greatly altered global carbon (C) and Nitrogen (N) cycling. In fact, atmospheric concentrations of carbon dioxide (CO2) have increased 40% over the last century and the amount of N cycling in the biosphere has more than doubled. In an effort to understand how plants will respond to continued global CO2 fertilization, longterm free-air CO2 enrichment experiments have been conducted at sites around the globe. Here we examine how atmospheric CO2 enrichment and N fertilization affects the uptake of silicon (Si) in the Duke Forest, North Carolina, a stand dominated by Pinus taeda (loblolly pine), and five hardwoodmore »species. Specifically, we measured foliar biogenic silica concentrations in five deciduous and one coniferous species across three treatments: CO2 enrichment, N enrichment, and N and CO2 enrichment. We found no consistent trends in foliar Si concentration under elevated CO2, N fertilization, or combined elevated CO2 and N fertilization. However, two-thirds of the tree species studied here have Si foliar concentrations greater than well-known Si accumulators, such as grasses. Based on net primary production values and aboveground Si concentrations in these trees, we calculated forest Si uptake rates under control and elevated CO2 concentrations. Due largely to increased primary production, elevated CO2 enhanced the magnitude of Si uptake between 20 and 26%, likely intensifying the terrestrial silica pump. This uptake of Si by forests has important implications for Si export from terrestrial systems, with the potential to impact C sequestration and higher trophic levels in downstream ecosystems.« less

  9. Height and the total mass of the forest of genealogical trees of a large population with general competition.

    E-Print Network [OSTI]

    Pardoux, Etienne

    Height and the total mass of the forest of genealogical trees of a large population with general of the forest of genealogical trees) remains finite, as the number of ancestors tends to infinity, or even such that the length of the forest of genealogical trees (which in the case of continuous state is rather called its

  10. DIJKSTRA'S ALGORITHM APPLIED TO 3D SKELETONIZATION OF THE CEREBRAL VASCULAR TREE: EVALUATION AND APPLICATION TO SYMBOLIC DESCRIPTION

    E-Print Network [OSTI]

    Paris-Sud XI, Université de

    and evaluate a 3D skeletonization method based on the construction of the minimum-cost spanning tree thanks for cerebral vascular tree 3D skeletonization. This methodis based on the application of the minimum cost symbolically. Index Terms-- Medical imaging, vascular tree, angiography, 3D skeletonization, symbolic

  11. FROM THE TREE TO THE FOREST: THE INFLUENCE OF A SPARSE CANOPY ON STAND SCALE SNOW WATER EQUIVALENT

    E-Print Network [OSTI]

    Anderson, Charles W.

    FROM THE TREE TO THE FOREST: THE INFLUENCE OF A SPARSE CANOPY ON STAND SCALE SNOW WATER EQUIVALENT SCALE SNOW WATER EQUIVALENT The canopy of an individual tree has a negative effect on the accumulation of snow around tree boles, resulting in a decrease in snow depth inward from the edge of the canopy

  12. A Bayesian model for predicting local El Nin~o events using tree ring widths and cellulose d18

    E-Print Network [OSTI]

    Nippert, Jesse

    A Bayesian model for predicting local El Nin~o events using tree ring widths and cellulose d18 O composition (d18 O) of cellulose recorded in annual tree rings reflects the climate and precipitation history tree ring d18 O in a cellulose and annual ring width was negative during most years, reflecting amount

  13. Tree metrics and edge-disjoint S-paths Hiroshi Hirai (U. Tokyo)

    E-Print Network [OSTI]

    Hirai, Hiroshi

    : terminal set µ : (S 2 ) Z+: terminal weight a : E Z+: edge-cost G = (V, E)S P sP tP µ(sP , tP ) Def: S is a tree metric def tree , {ps}sS V , > 0 s.t. µ(s, t) = d (ps, pt) (s, t S). ps pt pu pv d (ps, pt: approx. algorithm for "near" tree metrics Problem: µ-EDP (cost-less version of µ-C

  14. On the reliability of merger-trees and the mass growth histories of dark matter haloes

    E-Print Network [OSTI]

    N. Hiotelis; A. Del Popolo

    2005-08-24

    We have used merger trees realizations to study the formation of dark matter haloes. The construction of merger-trees is based on three different pictures about the formation of structures in the Universe. These pictures include: the spherical collapse (SC), the ellipsoidal collapse (EC) and the non-radial collapse (NR). The reliability of merger-trees has been examined comparing their predictions related to the distribution of the number of progenitors, as well as the distribution of formation times, with the predictions of analytical relations. The comparison yields a very satisfactory agreement. Subsequently, >.........

  15. Creating ensembles of oblique decision trees with evolutionary algorithms and sampling

    DOE Patents [OSTI]

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

    2006-06-13

    A decision tree system that is part of a parallel object-oriented pattern recognition system, which in turn is part of an object oriented data mining system. A decision tree process includes the step of reading the data. If necessary, the data is sorted. A potential split of the data is evaluated according to some criterion. An initial split of the data is determined. The final split of the data is determined using evolutionary algorithms and statistical sampling techniques. The data is split. Multiple decision trees are combined in ensembles.

  16. 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 ...

  17. Variation in physiological responses of forest trees to disturbance: implications for future forest carbon and management

    E-Print Network [OSTI]

    Reed, Alexis S.

    2012-05-31

    Rapid environmental change in recent decades has challenged Ecologists to focus on understanding ecosystem response and physiological functioning in the face of increased disturbances. Understanding physiological responses of trees to disturbance...

  18. Reducing transportation costs and inventory shrinkage in the Washington State tree fruit industry

    E-Print Network [OSTI]

    Foreman, James Sterling

    2009-01-01

    Perishability and stock-outs are two sources of inventory inefficiency in the Washington State tree fruit industry. This thesis measures the size of these inefficiencies in terms of dollars per box, and describes five ...

  19. Permeability characterization and spatial modeling in complex reservoirs: use of tree classifiers and Markov Random Field 

    E-Print Network [OSTI]

    Perez Vega, Hector H

    2002-01-01

    This research presents two approaches for working with reservoir properties. The first is the application of decision tree classifiers for predicting partitioning or classifications based on well logs for improving the permeability estimations...

  20. 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

  1. Survey of insect pests and their natural enemies on some indigenous trees in Tshikundamalema, Limpopo Province

    E-Print Network [OSTI]

    , Limpopo Province". So far, several field visits have been carried out for sampling through canopy fogging the canopy is done by fogging (Fig. 2). #12;Fig. 2. Fogging a marula tree Fig. 3 shows the commonest insect

  2. Biomass, Carbon Sequestration, and Avoided Emissions:  Assessing the Role of Urban Trees in California

    E-Print Network [OSTI]

    2015-01-01

    Protection Agency. 2013. Heat Island Impacts. http://38 Figure 3-6. Urban heat island effect (37 Table 3-8. The urban heat island rank, using tree canopy

  3. FCFS Tree Algorithms with Interference Cancellation and Single Signal Memory Requirements

    E-Print Network [OSTI]

    channels rely on the well known binary exponential backoff (BEB) algorithm (or a simple ALOHA scheme), tree algorithms (including the BEB) in terms of their maximum stable throughput (MST) [1]. In the standard

  4. 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 ...

  5. Sporendocladia bactrospora associated with wounds on native broadleaved trees in Norway and Sweden

    E-Print Network [OSTI]

    Sporendocladia bactrospora associated with wounds on native broadleaved trees in Norway and Sweden and Landscape Institute, As, Norway; 3 E-mail: jolanda.roux@fabi.up.ac.za (for correspondence) Summary A survey

  6. iSAM2: Incremental smoothing and mapping using the Bayes tree

    E-Print Network [OSTI]

    Kaess, Michael

    We present a novel data structure, the Bayes tree, that provides an algorithmic foundation enabling a better understanding of existing graphical model inference algorithms and their connection to sparse matrix factorization ...

  7. Alternating Two-Way AC-Tree Automata Kumar Neeraj Verma 1,

    E-Print Network [OSTI]

    Doyen, Laurent

    Partially supported by the ACI VERNAM, the RNTL project EVA, the RNTL project Prouvé, and the ACI jeunes in hardware or soft- ware verification (Jouannaud, 1995). We may enrich standard tree automata with various

  8. The Euler Tour Technique and Parallel Rooted Spanning Tree Guojing Cong, David A. Bader

    E-Print Network [OSTI]

    Bader, David A.

    edges in the This work was supported in part by NSF Grants CAREER ACI- 00-93039, ITR ACI-00-81404, DEB structural relationship on the vertices. The standard approach for finding a rooted spanning tree combines

  9. New species of Gondwanamyces from dying Euphorbia trees in South Africa Johannes Alwyn van der Linde

    E-Print Network [OSTI]

    of Gondwanamyces are patho- genic on Euphorbia ingens and may contribute to the decline of these trees. Key words: Cossonus, Custingophora, Euphorbia ingens, Euphorbia tetragona, insect-fungus interac- tions, Knoxdavesia

  10. DRIMust: a web server for discovering rank imbalanced motifs using suffix trees

    E-Print Network [OSTI]

    Mandel-Gutfreund, Yael

    DRIMust: a web server for discovering rank imbalanced motifs using suffix trees Limor Leibovich1 present a new web application, named DRIMust, freely ac- cessible through the website http

  11. Odd-even sample packet recovery using an AR model based tree search interpolation method 

    E-Print Network [OSTI]

    Erhart, Wesley Ronald

    1993-01-01

    This thesis describes a novel tree search, autoregressive- model-based interpolation method for recovering lost packets of DPCM encoded speech. This method is described as an evolution of an adaptive AR model-based ...

  12. 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

  13. Fault tree analysis of commonly occurring medication errors and methods to reduce them 

    E-Print Network [OSTI]

    Cherian, Sandhya Mary

    1994-01-01

    -depth analysis of over two hundred actual medication error incidents. These errors were then classified according to type, in an attempt at deriving a generalized fault tree for the medication delivery system that contributed to errors. This generalized fault...

  14. ORIGINAL PAPER Tree rings reveal extent of exposure to ionizing radiation

    E-Print Network [OSTI]

    Mousseau, Timothy A.

    power plant reactors exploded and a nuclear fire burned for 10 days releasing between 9.35 9 103 and 1: 12 April 2013 / Accepted: 30 May 2013 Ó Springer-Verlag Berlin Heidelberg 2013 Abstract Tree growth

  15. Figure 10--Proportion of basal area accounted for by each tree spe-

    E-Print Network [OSTI]

    include lodgepole pine (Pinus contorta), black oak, willow (Salix spp.), western white pine (P. monticola Forest QUKE Salix CADE PICO Figure 11--Spatial distribution of basal area of major tree species within

  16. The balance of planting and mortality in a street tree population

    E-Print Network [OSTI]

    Battles, John

    improve air quality, reduce stormwater runoff, sequester carbon dioxide, shade buildings to reduce energy-size and large trees; this represents a Type III mortality curve. We used multivariate logistic regression

  17. r-shrink: A Heuristic for Improving Minimum Power Broadcast Trees in Wireless Networks

    E-Print Network [OSTI]

    Arabshahi, Payman

    network with an identified source node, the minimum power broad- cast (MPB) problem in wireless networks to better accommodate the nodes, which have been disconnected from the tree as a result of the shrinkage

  18. Plant Responses of Drip Irrigated Trees to Climate and Water Stress 

    E-Print Network [OSTI]

    Punthakey, J. F.; McFarland, M. J.; Rodrigue, P. B.; Worthington, J. W.

    1982-01-01

    Past irrigation research has shown that peach (prunus persica) trees vary in their field response to water stress, and the degree of stress is a function of the plants' environment. Water deficits reduce plant growth and ...

  19. 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

  20. Recurrence and non-ergodicity in generalized wind-tree models

    E-Print Network [OSTI]

    Krzysztof Fr?czek; Pascal Hubert

    2015-06-19

    In this paper, we consider generalized wind-tree models and $\\Z^d$-covers over compact translation surfaces. Under suitable hypothesis, we prove recurrence of the linear flow in a generic direction and non-ergodicity of Lebesgue measure.

  1. Reduction of Transient Particulate Matter Spikes with Decision Tree Based Control

    Broader source: Energy.gov [DOE]

    Using a non-parametric decision tree to measure transient PM could correctly identify 94% of high opacity spikes and used to take targeted action to reduce PM without affecting NOx.

  2. Cooling our Communities. A Guidebook on Tree Planting and Light-Colored Surfacing

    E-Print Network [OSTI]

    Akbari, H.

    2009-01-01

    in the shading of a solar collector or south facing windowscool. If you have a solar collector even by deciduous trees.sunlight falling on solar collectors, on another property.

  3. Author's personal copy Application of rough set and decision tree for characterization

    E-Print Network [OSTI]

    Munakata, Toshinori

    theory; Decision tree; Earthquake prediction; Machine learning 1. Introduction Identifying to be used in predicting premonitory factors for earthquake. In recent years, researchers have identified a machine learning approach to characterizing premonitory factors of earthquake. The characteristic

  4. Introduction Weed control is of fundamental importance when planting trees, particularly

    E-Print Network [OSTI]

    control measures than trees planted in infertile areas. This is because the land is likely to contain form of mechanical weeding. It is also better to weed early rather than delay treatment as inclement

  5. The Size-Ramsey Number of Trees P.E. Haxell1

    E-Print Network [OSTI]

    Kohayakawa, Yoshiharu

    The Size-Ramsey Number of Trees P.E. Haxell1 and Y. Kohayakawa2 1Department of Pure Mathematics-colouring of the edges of G. The size-Ramsey number re(H) of a graph H is the smallest possible number in Ramsey theory: we shall study the size-Ramsey number of trees. Before we proceed, let us introduce some

  6. On free energies of the Ising model on the Cayley tree

    E-Print Network [OSTI]

    D. Gandolfo; M. M. Rakhmatullaev; U. A. Rozikov; J. Ruiz

    2012-11-28

    We present, for the Ising model on the Cayley tree, some explicit formulae of the free energies (and entropies) according to boundary conditions (b.c.). They include translation-invariant, periodic, Dobrushin-like b.c., as well as those corresponding to (recently discovered) weakly periodic Gibbs states. The later are defined through a partition of the tree that induces a 4-edge-coloring. We compute the density of each color.

  7. Response of different-aged black cherry trees to ambient ozone exposure

    SciTech Connect (OSTI)

    Fredericksen, T.S.; Joyce, B.J.; Kouterick, K.B.; Kolb, T.E.; Skelly, J.M.; Steiner, K.C.; Savage, J.E.; Snyder, K.R. (Pennyslvania State Univ., Univ. Park, PA (United States))

    1994-06-01

    Black cherry (Prunus serotina Ehrh.) is a valuable commercial timber species which is also highly sensitive to ozone relative to other eastern deciduous tree species. Studies of ozone effects on forest trees have been restricted mostly to experiments using small seedlings under controlled conditions. Yet, mature trees may differ from seedlings in physiology, morphology, and exposure to air pollutants. An experiment was conducted in 1993 to determine differences in ozone uptake and foliar injury symptoms between open-ground seedlings, forest saplings, and mature forest trees of black cherry in northcentral Pennsylvania. Seedlings grew under the highest ozone concentrations and also had greater seasonal ozone uptake due to higher rates of stomatal conductance. However, because of their indeterminate growth habit, seedlings had lower cumulative ozone uptake per leaf lifespan than saplings or mature trees, both of which had determinate shoot growth. Although greater initially for seedlings, foliar injury was nearly identical between size classes by the end of the growing season. Leaves in the lower crown of larger trees had lower ozone uptake than leaves in the upper crown, but exhibited more foliar injury symptoms. Lower crown leaves received more effective exposure to ozone because of their thinner leaves and had less available photosynthate for repair or replacement of damaged tissue.

  8. Ambrosia Beetle (Coleoptera: Scolytidae) Species, Flight, and Attack on Living Eastern Cottonwood Trees.

    SciTech Connect (OSTI)

    D.R. Coyle; D.C. Booth: M.S. Wallace

    2005-12-01

    ABSTRACT In spring 2002, ambrosia beetles (Coleoptera: Scolytidae) infested an intensively managed 22-ha tree plantation on the upper coastal plain of South Carolina. Nearly 3,500 scolytids representing 28 species were captured in ethanol-baited traps from 18 June 2002 to 18 April 2004. More than 88% of total captures were exotic species. Five species [Dryoxylon onoharaensum (Murayama), Euwallacea validus (Eichhoff), Pseudopityophthorus minutissimus (Zimmermann), Xyleborus atratus Eichhoff, and Xyleborus impressus Eichhoff]) were collected in South Carolina for the Ã?Â?Ã?Â?rst time. Of four tree species in the plantation, eastern cottonwood, Populus deltoides Bartram, was the only one attacked, with nearly 40% of the trees sustaining ambrosia beetle damage. Clone ST66 sustained more damage than clone S7C15. ST66 trees receiving fertilization were attacked more frequently than trees receiving irrigation, irrigation_fertilization, or controls, although the number of S7C15 trees attacked did not differ among treatments. The study location is near major shipping ports; our results demonstrate the necessity for intensive monitoring programs to determine the arrival, spread, ecology, and impact of exotic scolytids.

  9. A Bayesian model for predicting local El Niño events using tree ring widths and cellulose ?18O

    E-Print Network [OSTI]

    Nippert, Jesse B.; Hooten, Mevin B.; Sandquist, Darren R.; Ward, Joy K.

    2010-03-16

    when one climate factor dominates tree growth and when the trees studied have grown on a well drained soil and rely predominantly on rainwater [Fritts, 1991; Schweingruber, 1996; Cook et al., 2000]. Dendroclimatic analyses have been used to link changes... century: Instrumental data versus multiple proxies (tree-ring isotopes, grape harvest dates and forest fires), Clim. Change, doi:10.1007/ s10584-008-9516-8. G01011 NIPPERT ET AL.: EL NIN˜O PROXY USING TREE RINGS 8 of 9 G01011 Evans, M. N. (2007), Toward...

  10. Gravitational tree-code on graphics processing units: implementation in CUDA

    E-Print Network [OSTI]

    Gaburov, Evghenii; Zwart, Simon Portegies

    2010-01-01

    We present a new very fast tree-code which runs on massively parallel Graphical Processing Units (GPU) with NVIDIA CUDA architecture. The tree-construction and calculation of multipole moments is carried out on the host CPU, while the force calculation which consists of tree walks and evaluation of interaction list is carried out on the GPU. In this way we achieve a sustained performance of about 100GFLOP/s and data transfer rates of about 50GB/s. It takes about a second to compute forces on a million particles with an opening angle of $\\theta \\approx 0.5$. The code has a convenient user interface and is freely available for use\\footnote{{\\tt http://castle.strw.leidenuniv.nl/software/octgrav.html}}.

  11. Elevated CO2 increases tree-level intrinsic water use efficiency: insights from carbon and oxygen isotope analyses in tree rings across three forest FACE sites

    SciTech Connect (OSTI)

    Battipaglia, Giovanna [Second University of Naples; Saurer, Matthias [Paul Scherrer Institut, Villigen, Switzerland; Cherubini, Paulo [WSL Swiss Federal Institute for Forest, Snow and Landscape Research; Califapietra, Carlo [University of Tuscia; McCarthy, Heather R [Duke University; Norby, Richard J [ORNL; Cotrufo, M. Francesca [Colorado State University, Fort Collins

    2013-01-01

    Elevated CO2 increases intrinsic water use efficiency (WUEi) of forests, but the magnitude of this effect and its interaction with climate is still poorly understood. We combined tree ring analysis with isotope measurements at three Free Air CO2 Enrichment (FACE, POP-EUROFACE, in Italy; Duke FACE in North Carolina and ORNL in Tennessee, USA) sites, to cover the entire life of the trees. We used 13C to assess carbon isotope discrimination ( 13C ci/ca) and changes in WUEi, while direct CO2 effects on stomatal conductance were explored using 18O as a proxy. Across all the sites, elevated CO2 increased 13C-derived WUEi on average by 73% for Liquidambar styraciflua, 77% for Pinus taeda and 75% for Populus sp., but through different ecophysiological mechanisms. Our findings provide a robust means of predicting WUEi responses from a variety of tree species exposed to variable environmental conditions over time, and species-specific relationships that can help modeling elevated CO2 and climate impacts on forest productivity, carbon and water balances.

  12. The effect of competition on the height and length of the forest of genealogical trees of a

    E-Print Network [OSTI]

    Pardoux, Etienne

    The effect of competition on the height and length of the forest of genealogical trees of a large consider a population generating a forest of genealogical trees in continuous time, with m roots (the to infinity to a Feller SDE with a negative polynomial drift. The genealogy in the continuous limit

  13. EFFECT OF FLOOD REGIME ON TREE GROWTH IN THE FLOODPLAIN AND SURROUNDING UPLANDS OF THE WISCONSIN RIVER

    E-Print Network [OSTI]

    Turner, Monica G.

    EFFECT OF FLOOD REGIME ON TREE GROWTH IN THE FLOODPLAIN AND SURROUNDING UPLANDS OF THE WISCONSIN, BC, V6T 1Z4 Canada ABSTRACT Flood regime and vegetation flood tolerance interact to influence tree. The levee restricts some floodplain area from overbank flood events, but leaves a portion of active

  14. A BIOMECHANICAL PERSPECTIVE ON THE ROLE OF LARGE STEM VOLUME AND HIGH WATER CONTENT IN BAOBAB TREES

    E-Print Network [OSTI]

    Holbrook, N. Michele

    A BIOMECHANICAL PERSPECTIVE ON THE ROLE OF LARGE STEM VOLUME AND HIGH WATER CONTENT IN BAOBAB TREES storage capacity in the six Madagascar baobab species. Baobab wood has a high water content (up to 79 to that in temperate deciduous trees. Furthermore, the elastic modulus of the wood decreases with water content

  15. Two-Way Beacon Scheduling in ZigBee Tree-Based Wireless Sensor Networks , Meng-Shiuan Pan

    E-Print Network [OSTI]

    Tseng, Yu-Chee

    Two-Way Beacon Scheduling in ZigBee Tree-Based Wireless Sensor Networks Lun-Wu Yeh , Meng-way beacon scheduling prob- lem for ZigBee tree-based networks. We propose a schedul- ing algorithm that can sce- nario. The network contains one sink (ZigBee coordina- tor), some full-function devices (ZigBee

  16. Solar and volcanic fingerprints in tree-ring chronologies over the past 2000 years Petra Breitenmoser a,b,

    E-Print Network [OSTI]

    Wehrli, Bernhard

    Solar and volcanic fingerprints in tree-ring chronologies over the past 2000 years Petra Climate variability Tree-ring proxies DeVries solar cycle Volcanic activity Past two millennia The Sun cli- mate forcings to continuing global warming. To properly address long-term fingerprints of solar

  17. Toward the modeling of mucus draining from the human lung: role of the geometry of the airway tree

    E-Print Network [OSTI]

    Mauroy, Benjamin - Laboratoire Matière et Systèmes Complexes, Université Paris 7

    Toward the modeling of mucus draining from the human lung: role of the geometry of the airway tree.1088/1478-3975/8/5/056006 Toward the modeling of mucus draining from the human lung: role of the geometry of the airway tree, then therapeutic draining of mucus plays a critical role to keep mucus levels in the lungs acceptable

  18. Thermal-reliable 3D Clock-tree Synthesis Considering Nonlinear Electrical-thermal-coupled TSV Model

    E-Print Network [OSTI]

    Lim, Sung Kyu

    Thermal-reliable 3D Clock-tree Synthesis Considering Nonlinear Electrical-thermal-coupled TSV Model, physics-based electrical-thermal model is introduced for both signal and dummy thermal TSVs with the consider- ation of nonlinear electrical-thermal dependence. Taking thermal-reliable 3D clock-tree synthesis

  19. 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

  20. Roget2000: A 2D Hyperbolic Tree Visualization of Roget's Thesaurus Jason L. Baumgartner*, Timothy A. Waugh

    E-Print Network [OSTI]

    Börner, Katy

    Roget2000: A 2D Hyperbolic Tree Visualization of Roget's Thesaurus Jason L. Baumgartner*, Timothy A Thesauri, such as Roget's Thesaurus, show the semantic relationships among terms and concepts conventional trees. It is believed that allowing the user to visually browse the thesaurus will be more

  1. limate change is expected to result in serious ecological, social and economic effects for U.S. forests. Many tree

    E-Print Network [OSTI]

    Hargrove, William W.

    .geobabble.org/ ~hnw/global/treeranges3/ climate_change/ Species input data: Forest Inventory and Analysis (Figure 1a Assessments of Forest Tree Genetic Degradation Risk from Climate Change (SO-EM-09-01) Spatial Assessments of Forest Tree Genetic Degradation Risk from Climate Change (SO-EM-09-01) Kevin M. Potter1, William W

  2. CHANNEL-DYNAMIC CONTROL ON THE ESTABLISHMENT OF RIPARIAN TREES AFTER LARGE FLOODS IN NORTHWESTERN

    E-Print Network [OSTI]

    CHANNEL-DYNAMIC CONTROL ON THE ESTABLISHMENT OF RIPARIAN TREES AFTER LARGE FLOODS IN NORTHWESTERN Service, U.S. Department of Agriculture, Arcata, Calif. Abstract: Large floods in northwestern California the dry season. Such stands can endure annual high flows only after the flood-enhanced sediment load

  3. Logistic Model Trees Niels Landwehr 1,2 , Mark Hall 2 , and Eibe Frank 2

    E-Print Network [OSTI]

    Frank, Eibe

    Logistic Model Trees Niels Landwehr 1,2 , Mark Hall 2 , and Eibe Frank 2 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

  4. Climatic Changes Lead to Declining Winter Chill for Fruit and Nut Trees in California during 19502099

    E-Print Network [OSTI]

    Zhang, Minghua

    , University of California Davis, Davis, California, United States of America, 2 Department of Plant Sciences is one of the defining characteristics of a location's suitability for the production of many tree crops collection and analysis, decision to publish, or preparation of the manuscript. Competing Interests

  5. Three Tree Cruise Plan September 2002 Dates: September 4 Sept 13

    E-Print Network [OSTI]

    Pawlak, Geno

    to Elliot Bay marina. Departure and return times to Elliot Bay and UW assume 30 minutes from leaving UW to leaving the dock at Elliot Bay, and a 1 hour 30 minute transit to Three Tree from Elliot Bay. We can departures the following day might be easier if we stay at Tramp. Other than those nights, Elliot Bay seems

  6. Quasi-Optimal Elimination Trees for 2D Grids with Singularities

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

    Paszy?ska, A.; Paszy?ski, M.; Jopek, K.; Wo?niak, M.; Goik, D.; Gurgul, P.; AbouEisha, H.; Moshkov, M.; Calo, V. M.; Lenharth, A.; et al

    2015-01-01

    We construct quasi-optimal elimination trees for 2D finite element meshes with singularities. These trees minimize the complexity of the solution of the discrete system. The computational cost estimates of the elimination process model the execution of the multifrontal algorithms in serial and in parallel shared-memory executions. Since the meshes considered are a subspace of all possible mesh partitions, we call these minimizers quasi-optimal. We minimize the cost functionals using dynamic programming. Finding these minimizers is more computationally expensive than solving the original algebraic system. Nevertheless, from the insights provided by the analysis of the dynamic programming minima, we proposemore »a heuristic construction of the elimination trees that has cost O N e log ? N e , where N e is the number of elements in the mesh. We show that this heuristic ordering has similar computational cost to the quasi-optimal elimination trees found with dynamic programming and outperforms state-of-the-art alternatives in our numerical experiments. « less

  7. Sensor Network Lifetime Maximization Via Sensor Energy Balancing: Construction and Optimal Scheduling of Sensor Trees

    E-Print Network [OSTI]

    Johansson, Karl Henrik

    in such a way that the total energy usage of the active sensor nodes in the tree is minimized. However whenSensor Network Lifetime Maximization Via Sensor Energy Balancing: Construction and Optimal, node energy, etc), the collected data are transmitted to their final destination, usually a fusion

  8. Monte Carlo Tree Search for Simulated Car Racing Jacob Fischer1

    E-Print Network [OSTI]

    Togelius, Julian

    Monte Carlo Tree Search for Simulated Car Racing Jacob Fischer1 , Nikolaj Falsted1 , Mathias be modified to achieve this. In this paper, we investi- gate the application of MCTS to simulated car racing algorithm. Similarly, simulated car racing presents interesting challenges to artificial intelligence (AI

  9. Absolutely continuous spectrum implies ballistic transport for quantum particles in a random potential on tree graphs

    SciTech Connect (OSTI)

    Aizenman, Michael; Warzel, Simone

    2012-09-15

    We discuss the dynamical implications of the recent proof that for a quantum particle in a random potential on a regular tree graph absolutely continuous (ac) spectrum occurs non-perturbatively through rare fluctuation-enabled resonances. The main result is spelled in the title.

  10. Considerations in Construction Sequence Scheduling Pre-Construction Evaluation: Before construction, evaluate, mark, and protect trees,

    E-Print Network [OSTI]

    California at Santa Cruz, University of

    Considerations in Construction Sequence Scheduling Pre-Construction Evaluation: Before construction, evaluate, mark, and protect trees, areas to be preserved, and areas of vegetation suitable for filter strips. Construction Access: Construct a stabilized entrance and limit vehicle access to the site

  11. THE WIDTH OF GALTON-WATSON TREES CONDITIONED BY MICHAEL DRMOTA AND BERNHARD GITTENBERGER

    E-Print Network [OSTI]

    Drmota, Michael

    the total progeny of which is n. For non-integer t we de#12;ne Ln (t) by linear interpolation: Ln (t) = (btc + 1 t)L n (btc) + (t btc)L n (btc + 1); t #21; 0: We are interested in the width of such a tree which

  12. Historical Perspectives on Apple Production: Fruit Tree Pest Management, Regulation and

    E-Print Network [OSTI]

    Jentsch, Peter J.

    2 Historical Perspectives on Apple Production: Fruit Tree Pest Management, Regulation and New. Historical Use of Pesticides in Apple Production Overview of Apple Production and Pest Management Prior in Apple Production Chemical Residues in Early Insect Management Historical Chemical Regulation Recent

  13. Binary Join Trees for Computing Marginals in the Shenoy-Shafer Architecture

    E-Print Network [OSTI]

    Shenoy, Prakash P.

    1997-08-01

    -2003, USA pshenoy@ku.edu http://lark.cc.ku.edu/~pshenoy ? Appeared in International Journal of Approximate Reasoning, 17(2-3), 1997, 239?263. ii Binary Join Trees for Computing Marginals in the Shenoy... NETWORK FRAMEWORK .................................................2 3 AXIOMS FOR LOCAL COMPUTATION..........................................................5 4 COMPUTING A MARGINAL USING THE FUSION ALGORITHM ........................6 5 FUSION...

  14. tree : A New Class Hierarchy Access Method for ObjectOriented Databases

    E-Print Network [OSTI]

    Ooi, Beng Chin

    Ø­tree : A New Class Hierarchy Access Method for Object­Oriented Databases Abstract The semantic­oriented queries. In particular, the class hierar­ chy concept has an impact on the class scope of queries: an object­oriented query on a class C can be interpreted as to retrieve all objects that satisfy the query

  15. Temperature dependence, spatial scale, and tree species diversity in eastern Asia and North America

    E-Print Network [OSTI]

    Brown, James H.

    that determine the latitudinal gradient of species diversity, but the underlying mechanisms remain poorly understood. The recently proposed metabolic theory of ecology (MTE) aims to explain ecological patterns and body size on the metabolism of organisms. Here we use 2 comparable databases of tree distributions

  16. ECOSYSTEM ECOLOGY The effects of tree establishment on water and salt dynamics

    E-Print Network [OSTI]

    Nacional de San Luis, Universidad

    ECOSYSTEM ECOLOGY The effects of tree establishment on water and salt dynamics in naturally salt an imprint on salt accumulation and distribution patterns. We explored how the conversion of native grasslands to oak plantations affected the abundance and distribution of salts on soils and groundwater

  17. The Effect of Spatial Correlations on Merger Trees of Dark Matter Haloes

    E-Print Network [OSTI]

    Masahiro Nagashima; Naoteru Gouda

    1996-08-13

    The effects of spatial correlations of density fluctuations on merger histories of dark matter haloes (so-called `{\\it merger trees}') are analysed. We compare the mass functions of dark haloes derived by a new method for calculating merger trees, that proposed by Rodrigues \\& Thomas (RT), with those given by other methods such as the Block model, the Press-Schechter formula and our own formula in which the mass functions are analytically expressed in a way that takes into consideration the spatial correlations. It is found that the mass functions given by the new method are well fit by those given by our formula. We believe that new method (RT) {\\it naturally} and correctly takes into account the spatial correlations of the density fluctuations due to a calculated, grid-based realisation of the density fluctuations and so is very useful for estimating the merger tree accurately in a way that takes into consideration spatial correlations. Moreover, by applying our formula, we present an analytic expression which reproduces the mass function derived by the Block model. We therefore show clearly why and how the mass functions given by the new method and the Block model are different from each other. Furthermore, we note that the construction of merger trees is sensitive to the criterion of collapse and merging of overlapped haloes in cases in which two or more haloes happen to overlap. In fact, it is shown that the mass function is very much affected when the criterion of overlapping is changed.

  18. Nitrogen Addition Increases Carbon Storage in Soils, But Not in Trees, in

    E-Print Network [OSTI]

    Templer, Pamela

    Nitrogen Addition Increases Carbon Storage in Soils, But Not in Trees, in an Eastern U.S. Deciduous, increasing carbon (C) capture from the atmosphere and possibly C sequestration in the woody biomass (Driscoll the effects of excess N deposition on carbon (C) and N cycling, we experimentally added N (as NH4NO3

  19. Organochlorine Contamination and Physiological Responses in Nestling Tree Swallows in Point Pelee National Park, Canada

    E-Print Network [OSTI]

    Bortolotti, Gary R.

    Organochlorine Contamination and Physiological Responses in Nestling Tree Swallows in Point Pelee for many birds--has localized areas of organochlorine (OC) contamination from the 1950s and 1960s. During 2002, we investigated the effect of tissue OC contaminant levels on the physiology and growth

  20. Hazardous Chemical Waste Management Reference Guide for Laboratories 11 Empty Container Decision Tree

    E-Print Network [OSTI]

    Ford, James

    Hazardous Chemical Waste Management Reference Guide for Laboratories 11 Empty Container Decision Tree Chemical waste materials must be handled as hazardous unless they are on the Non-Hazardous Waste List. Used hazardous materials containers are an exception, however. They have their own resource

  1. RE OAKING THE VALLEYS: BRINGING NATIVE TREES BACK INTO CALIFORNIA'S SUBURBAN LANDSCAPES

    E-Print Network [OSTI]

    California landscapes through coordinated local stewardship, urban forestry, and parkland management programs an aerial canopy that reduces the urban heat island e ect (and associated health and energy impacts) while WORLD WAR II MOST OF THE VALLEY FLOOR HAS BEEN CLEARED for orchards, but a few trees remain

  2. On Bulk Loading TPR-Tree Bin Lin and Jianwen Su

    E-Print Network [OSTI]

    Su, Jianwen

    a histogram-based bottom up algorithm (HBU) along with a modified top-down greedy split algo- rithm (TGS show that HBU outperforms both TPR and TGS for all kinds of non-uniform datasets, is relatively stable and compare it with the original TPR- tree bulk loading algorithm and a modified top-down greedy split (TGS

  3. Multicolor online degree Ramsey numbers of trees William B. Kinnersley # and Douglas B. West +

    E-Print Network [OSTI]

    West, Douglas B.

    Multicolor on­line degree Ramsey numbers of trees William B. Kinnersley # and Douglas B. West + University of Illinois, Urbana IL. October 24, 2011; revised May 25, 2012 Abstract In the on­line Ramsey game can ensure that a monochromatic G arises. The s­color on­line degree Ramsey number of G, denoted š R

  4. Multicolor on-line degree Ramsey numbers of trees William B. Kinnersley

    E-Print Network [OSTI]

    West, Douglas B.

    Multicolor on-line degree Ramsey numbers of trees William B. Kinnersley and Douglas B. West University of Illinois, Urbana IL. October 24, 2011; revised May 25, 2012 Abstract In the on-line Ramsey game can ensure that a monochromatic G arises. The s-color on-line degree Ramsey number of G, denoted °R

  5. IEEE TRANSACTIONS ON COMPUTERS, VOL. ?, NO. ?, MONTH?? 2004 1 Tree Parity Machine Rekeying Architectures

    E-Print Network [OSTI]

    International Association for Cryptologic Research (IACR)

    IEEE TRANSACTIONS ON COMPUTERS, VOL. ?, NO. ?, MONTH?? 2004 1 Tree Parity Machine Rekeying@tuhh.de November 11, 2004 DRAFT #12; IEEE TRANSACTIONS ON COMPUTERS, VOL. ?, NO. ?, MONTH?? 2004 2 Abstract of the (fixed) keys. November 11, 2004 DRAFT #12; IEEE TRANSACTIONS ON COMPUTERS, VOL. ?, NO. ?, MONTH?? 2004 3

  6. IEEE TRANSACTIONS ON COMPUTERS, VOL. ?, NO. ?, MONTH?? 2004 1 Tree Parity Machine Rekeying Architectures

    E-Print Network [OSTI]

    International Association for Cryptologic Research (IACR)

    IEEE TRANSACTIONS ON COMPUTERS, VOL. ?, NO. ?, MONTH?? 2004 1 Tree Parity Machine Rekeying@tuhh.de November 11, 2004 DRAFT #12;IEEE TRANSACTIONS ON COMPUTERS, VOL. ?, NO. ?, MONTH?? 2004 2 Abstract of the (fixed) keys. November 11, 2004 DRAFT #12;IEEE TRANSACTIONS ON COMPUTERS, VOL. ?, NO. ?, MONTH?? 2004 3

  7. Redwood Trees, Fog Water Subsidies, and the Hydrology of Redwood Forests1

    E-Print Network [OSTI]

    Redwood Trees, Fog Water Subsidies, and the Hydrology of Redwood Forests1 Todd Dawson,2 Stephen Burgess,3 Kevin Simonin,2 Emily Limm,2 and Anthony Ambrose2 Fog is a defining feature of the coastal California redwood forest and fog inputs via canopy drip in summer can constitute between 10 to 45 percent

  8. Novel species of Celoporthe from Eucalyptus and Syzygium trees in China and Indonesia

    E-Print Network [OSTI]

    Novel species of Celoporthe from Eucalyptus and Syzygium trees in China and Indonesia ShuaiFei Chen cumini. Three morphologically similar fungal isolates collected previously from Indonesia also were analyses showed that the Chinese isolates and those from Indonesia reside in a clade close to previously

  9. Roles of Urban Tree Canopy and Buildings in Urban Heat Island Effects: Parameterization and Preliminary Results

    E-Print Network [OSTI]

    Dickerson, Russell R.

    and Forecasting model and an urban canopy model (WRF-UCM). By parameterizing the effects of these natural surfacesRoles of Urban Tree Canopy and Buildings in Urban Heat Island Effects: Parameterization (Manuscript received 28 October 2011, in final form 16 April 2012) ABSTRACT Urban heat island (UHI) effects

  10. Riverside.2003: Multi-Media Exploration of a Tree-Growth Database

    E-Print Network [OSTI]

    that can be used for information display. 1.1 ARBOR Ecosystem Restoration Project The ARBOR project of ecosystem data. Riverside.2003 allows one or more users to examine the growth patterns of a collection of trees planted as part of an experiment in ecosystem restoration. Graphic symbols are used to portray

  11. On the Limiting Distribution of Program Sizes in Tree-Based Genetic Programming

    E-Print Network [OSTI]

    Poli, Riccardo

    in a tree and pa is a constant. This result generalises the result previously reported for the case a = 1. 1 understood for mutation and crossover in the case of fixed-length representations (e.g., binary GAs) [4 in which each individual in a generation produces some random number of descendants, and where

  12. TREE RINGS OF NORWAY SPRUCE (PICEA ABIES (L.) KARSTEN) IN LITHUANIA AS DROUGHT INDICATORS

    E-Print Network [OSTI]

    TREE RINGS OF NORWAY SPRUCE (PICEA ABIES (L.) KARSTEN) IN LITHUANIA AS DROUGHT INDICATORS A. Vitas growth of Norway spruce in Lithuania during 20th century has been conducted. Hypothesis of the study century are attributed. Keywords: air temperature, drought, Norway spruce, pointer year, precipitation

  13. Efficient Algorithms for Computing the Triplet and Quartet Distance Between Trees of Arbitrary Degree

    E-Print Network [OSTI]

    Schierup, Mikkel Heide

    Efficient Algorithms for Computing the Triplet and Quartet Distance Between Trees of Arbitrary- ficient algorithms for computing these distances. We show how to compute the triplet distance in time O against unresolved (non-binary) topologies. The previous best algorithm for computing the triplet

  14. The Euler Tour Technique and Parallel Rooted Spanning Tree Guojing Cong, David A. Bader

    E-Print Network [OSTI]

    Bader, David A.

    to define some structural relations on the This work was supported in part by NSF Grants CAREER ACI-00-93039, ITR ACI-00-81404, DEB-99-10123, ITR EIA-01- 21377, Biocomplexity DEB-01-20709, and ITR EF/BIO 03-31654. 1 #12;vertices. The standard approach for finding a rooted spanning tree combines two algorithms

  15. Fast tree search for enumeration of a lattice model of protein folding Henry Cejtin,a)

    E-Print Network [OSTI]

    Li, Hao

    Fast tree search for enumeration of a lattice model of protein folding Henry Cejtin,a) Jan Edler conformations structures for a protein folding model on a cubic lattice of size 4 3 3. We used two types. © 2002 American Institute of Physics. DOI: 10.1063/1.1423324 I. INTRODUCTION The protein folding problem1

  16. Decision Tree for Export Control License Is the article subject to export control regulations?

    E-Print Network [OSTI]

    Hutcheon, James M.

    Decision Tree for Export Control License Is the article subject to export control regulations if further export review is required. Yes Yes Yes Yes No No No No No export requirements Obtain export license No export requirements Obtain export license #12;

  17. Energy and water balance measurements for water productivity analysis in irrigated mango trees,

    E-Print Network [OSTI]

    Energy and water balance measurements for water productivity analysis in irrigated mango trees of rural communities. Mango is important for export markets. Its fruit has the advantage of being juicy 2008 Accepted 7 May 2008 Keywords: Mango orchard Energy balance Water balance Evapotranspiration

  18. Patterned Linear Systems: Rings, Chains, and Trees Sarah C. Hamilton and Mireille E. Broucke

    E-Print Network [OSTI]

    Broucke, Mireille E.

    such as smart materials. As [1] observed, advancements in the design of Micro- Electro-Mechanical (MEM) parts that a useful starting point is to examine the most elementary patterns. Examples of some elementary patterns interpretations. In this paper we consider ring, chain, and tree patterns useful in engineering design. Then we

  19. Traffic Engineering for Multiple Spanning Tree Protocol in Large Data Centers

    E-Print Network [OSTI]

    Bonaventure, Olivier

    Traffic Engineering for Multiple Spanning Tree Protocol in Large Data Centers HO Trong Viet, Yves centers have been growing significantly during the last years. Most data centers rely on switched Ethernet variants of it) to select the links that are used to forward packets inside the data center. In this paper

  20. ORIGINAL PAPER Estimation of tree biomass, carbon pool and net primary

    E-Print Network [OSTI]

    Paris-Sud XI, Université de

    et al. 2008). Determination of carbon sequestration potential in terrestrial ecosystems throughORIGINAL PAPER Estimation of tree biomass, carbon pool and net primary production of an old Science+Business Media B.V. 2011 Abstract & Background The data on carbon pool and biomass distribution

  1. Hydraulic architecture and tracheid allometry in mature Pinus palustris and Pinus elliottii trees

    E-Print Network [OSTI]

    Martin, Timothy

    Hydraulic architecture and tracheid allometry in mature Pinus palustris and Pinus elliottii trees C and better-drained micro- sites than SL. The hydraulic architecture and tracheid dimen- sions of roots, trunk but weak trade-off between water conduction efficiency and safety. Tracheid hydraulic diameter (Dh

  2. Aquaporin-mediated changes in hydraulic conductivity of deep tree roots accessed via caves

    E-Print Network [OSTI]

    Jackson, Robert B.

    to measure in situ fine root hydraulic conductiv- ity (FRHC) and aquaporin contribution to FRHC (AQPCAquaporin-mediated changes in hydraulic conductivity of deep tree roots accessed via caves ANDREW J. JACKSON4 1 USDA-ARS, Crops Pathology and Genetics Research Unit, Department of Viticulture and Enology

  3. Taxonomy and pathogenicity of Ceratocystis species on Eucalyptus trees in South China, including

    E-Print Network [OSTI]

    Taxonomy and pathogenicity of Ceratocystis species on Eucalyptus trees in South China, including C Research Foundation 2012 Abstract Commercial plantations of Eucalyptus species have been established economy. As part of a survey of fungal diseases affecting Eucalyptus species in South China, Ceratocystis

  4. MAD: A Real World Application of Qualitative Model-Based Decision Tree Generation for Diagnosis

    E-Print Network [OSTI]

    Hamburg,.Universität

    equipment. Furthermore, cost of diagnosis system generation, modification and maintenance is reduced. We knowledge and computer-based product data for diagnosis system generation. This way, the cost of diagnosisMAD: A Real World Application of Qualitative Model-Based Decision Tree Generation for Diagnosis

  5. A generator of efficient strongly typed abstract syntax trees in Java

    E-Print Network [OSTI]

    Paris-Sud XI, Université de

    A generator of efficient strongly typed abstract syntax trees in Java Mark van den Brand1 to extract, transform, store and pro- duce information that is key to their functionality. We present a Java a strongly typed data-structure with maximal sub-term sharing in Java. Practical experience shows

  6. in response to touch, oscillations in plants, and long-distance signal transmission in trees.

    E-Print Network [OSTI]

    in response to touch, oscillations in plants, and long- distance signal transmission in trees. Some chapter has a nice reference list to the primary literature. The larger question is: How useful in the neu- robiology paradigm to understanding plant physi- ology and plant biology in general? The editors and many

  7. Tree network channels as fluid distributors constructing double-staircase polymer electrolyte fuel cells

    E-Print Network [OSTI]

    Daraio, Chiara

    fluid distribution concept, which also optimizes the shape of polymer electrolyte fuel cells; accepted 9 April 2004 In this article, constructal tree-like channel networks are introduced as a fuel cell to the catalyst layer, is used to predict the polarization curve of a so-constructed polymer electrolyte fuel cell

  8. Journal of Mammalogy, 84(2):579593, 2003 SEASONAL DISTRIBUTION OF MIGRATORY TREE BATS

    E-Print Network [OSTI]

    Wilkinson, Gerald S.

    migration during spring by Lasiurus cinereus appears to stem from wintering grounds in California and Mexico Field Station, Fort Collins Science Center, Department of Biology, University of New Mexico, Albuquerque, NM 87131, USA Despite evidence of migration in North American tree bats (genera Lasiurus and Lasion

  9. 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

  10. Tree-structured Data Regeneration with Network Coding in Distributed Storage Systems

    E-Print Network [OSTI]

    Li, Baochun

    Tree-structured Data Regeneration with Network Coding in Distributed Storage Systems Jun Li, Shuang of Toronto, Canada bli@eecg.toronto.edu Abstract--Distributed storage systems, built on peer-to-peer networks influence the data reliability and availability of distributed storage systems. It has been ac- knowledged

  11. TREETALK: Composition and Compression of Trees for Image Descriptions Polina Kuznetsova

    E-Print Network [OSTI]

    . The high-level idea of our approach is to harvest expressive phrases (as tree fragments) from existing image descrip- tions, then to compose a new description by selectively combining the extracted (and op 2014 Association for Computational Linguistics. #12;Target'Image' A"cow!standing!in!the! water! I

  12. TREETALK: Composition and Compression of Trees for Image Descriptions Polina Kuznetsova

    E-Print Network [OSTI]

    Anderson, Richard

    . The high-level idea of our approach is to harvest expressive phrases (as tree fragments) from existing image descrip- tions, then to compose a new description by selectively combining the extracted (and op, but highly expressive language peo- #12;Target'Image' A"cow!standing!in!the! water! I

  13. Tropospheric ozone reduces carbon assimilation in trees: estimates from analysis of continuous flux measurements

    E-Print Network [OSTI]

    Goldstein, Allen

    Tropospheric ozone reduces carbon assimilation in trees: estimates from analysis of continuous flux Abstract High ground-level ozone concentrations are typical of Mediterranean climates. Plant exposure to this oxidant is known to reduce carbon assimilation. Ozone damage has been traditionally measured through

  14. Top-Down Induction of Model Trees with Regression and Splitting Nodes

    E-Print Network [OSTI]

    Ceci, Michelangelo

    has been extended in GUIDE [12] and SECRET [3]. All these systems perform a top-down inductionTop-Down Induction of Model Trees with Regression and Splitting Nodes Donato Malerba, Member, IEEE with the leaves. A different approach is followed in SUPPORT and SECRET, which reduce the computational complexity

  15. To build a web you need a tree. Between ecological and

    E-Print Network [OSTI]

    Sainudiin, Raazesh

    To build a web you need a tree. Between ecological and evolutionary dynamics ­ a fairy tale. #12;2 #12;Eat, Pray (not to be eaten), Love. Food Webs in a Romantic World. #12;Food webs are (weighted) directed graphs · Nodes are species · (Weighted) links are ecological relations #12;Food webs

  16. RAPID COMMUNICATION / COMMUNICATION RAPIDE Changes in ash tree demography associated with

    E-Print Network [OSTI]

    Liebhold, Andrew

    RAPID COMMUNICATION / COMMUNICATION RAPIDE Changes in ash tree demography associated with emerald ash borer invasion, indicated by regional forest inventory data from the Great Lakes States Scott A. Pugh, Andrew M. Liebhold, and Randall S. Morin Abstract: The emerald ash borer (EAB) (Agrilus

  17. SU(3) Latent Heat and Surface Tension from Tree Level and Tadpole Improved Actions

    E-Print Network [OSTI]

    Beinlich, B; Peikert, A

    1996-01-01

    We analyze the latent heat and surface tension at the SU(3) deconfinement phase transition with tree level and tadpole improved Symanzik actions on lattices with temporal extent $N_\\tau = 3$ and 4 and spatial extent $N_\\sigma/ N_\\tau = 4$, 6 and 8. In comparison to the standard Wilson action we do find a drastic reduction of cut-off effects already with tree level improved actions. On lattices with temporal extent $N_\\tau=4$ results for the surface tension and latent heat obtained with a tree level improved action agree well with those obtained with a tadpole improved action. A comparison with $N_\\tau=3$ calculations, however, shows that results obtained with tadpole action remain unaffected by cut-off effects even on this coarse lattice, while the tree level action becomes sensitive to the cut-off. For the surface tension and latent heat we find $\\sigma_I/ T_c^3 = 0.0155~(16)$ and $\\Delta\\epsilon/T_c^4 = 1.40~(9)$, respectively.

  18. Tree mortality in the eastern and central United States: patterns and drivers

    E-Print Network [OSTI]

    Moorcroft, Paul R.

    Tree mortality in the eastern and central United States: patterns and drivers M I C H A E L C . D I rate due to the small sample size of deaths within individual studies. Still, life cycle analyses have, such as the loss of >1.2 mil- lion ha of pinyon pine forest in the southwestern United States following the 2002

  19. Fault tree construction of hybrid system requirements using qualitative formal method

    E-Print Network [OSTI]

    specifying requirements for software controlling hybrid systems and conducting safety analysis, engineersFault tree construction of hybrid system requirements using qualitative formal method Jang-Soo Leea , Sung-Deok Chab,* a Instrumentation and Control, Human Factors Division, Korea Atomic Energy Research

  20. Reconstructed streamflow using SST and tree-ring chronologies over the southeastern United States

    E-Print Network [OSTI]

    Arumugam, Sankar

    of El Nino Southern Oscillation (ENSO) in influencing the hydroclimatology of the southeastern United States, we estimated the periodic component of streamflow using Nino3.4 ­ an index representing ENSO) for extracting periodic and non-periodic components from tree-ring chronologies, Nino3.4 and streamflow data

  1. ForPeerReview A climate-controlled whole-tree chamber system

    E-Print Network [OSTI]

    Boyer, Edmond

    to impose combinations of atmospheric carbon dioxide concentra- tion, [CO2], and air temperature treatments in the ambient [CO2] chambers was too low to be maintained during winter because of tree dormancy and the high natural increase in [CO2] over winter at high latitudes such as the Flakaliden site. Accurate control over

  2. Rapid Protein Side-Chain Packing via Tree Decomposition Jinbo Xu1,2

    E-Print Network [OSTI]

    Xu, Jinbo

    is the number of residues in the protein, M the number of interacting residue pairs, nrot the average number is taken into consideration, then our tree-decomposition based energy minimization algorithm is more than frequently used by structural biologists and pharmaceutical companies to analyze the structure features

  3. TREE AND SHRUB SPECIES LIST FOR PINGREE PARK REGION Abies 1asiocarpa

    E-Print Network [OSTI]

    **Friendly reminder: on tests make sure you write Latin names as such: Abies lasiocarpa a lot of points __ TREES 1. Abies lasiocarpa - subalpine fir (PINACEAE) - Needle single, flat in cross-section - Twigs scopulorum - Rocky Mountain juniper (CUPRESSACEAE) - Needles scale-like, appressed, opposite, four ranked

  4. 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

  5. Evidence of recovery of Juniperus virginiana trees from sulfur pollution after the Clean Air Act

    E-Print Network [OSTI]

    Nippert, Jesse

    Evidence of recovery of Juniperus virginiana trees from sulfur pollution after the Clean Air Act decades of acidic pollution. Acid deposition over much of the 20th century reduced stomatal conductance and temporal gradients in natural systems. For over a century, the combustion of fossil fuels resulted

  6. The depth-first search tree structure of TK@0 -free graphs

    E-Print Network [OSTI]

    Diestel, Reinhard

    explicit and intuitive than, the recent result of Ro* *bert- son, Seymour and Thomas `known' characterization of the TK@0-free graphs by their tree structure, due to Robertson, Seymour tifi1 i>j for every ray t1t2 . .i.n T . Robertson, Seymour

  7. 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

  8. Seminario de Estadstica e Investigacin Operativa "Tree, web and average web value for

    E-Print Network [OSTI]

    Tradacete, Pedro

    Seminario de Estadística e Investigación Operativa "Tree, web and average web value for cycle solution concepts, called web values, are introduced axiomatically, each one with respect to some specific recursive algorithms to calculate them. Additionally the efficiency and stability of web values are studied

  9. Journal of Statistical Physics, Vol. 94, Nos. 34, 1999 The Genealogical Tree of a Chromosome

    E-Print Network [OSTI]

    Derrida, Bernard

    Journal of Statistical Physics, Vol. 94, Nos. 3Â4, 1999 The Genealogical Tree of a Chromosome B the genealogy of chromosomes by taking into account the effects of both recombination and coalescence. Seen-field spin glasses. KEY WORDS: Steady state; spin chain; random genealogies. 1. INTRODUCTION One

  10. SU(3) Latent Heat and Surface Tension from Tree Level and Tadpole Improved Actions

    E-Print Network [OSTI]

    B. Beinlich; F. Karsch; A. Peikert

    1996-08-27

    We analyze the latent heat and surface tension at the SU(3) deconfinement phase transition with tree level and tadpole improved Symanzik actions on lattices with temporal extent $N_\\tau = 3$ and 4 and spatial extent $N_\\sigma/ N_\\tau = 4$, 6 and 8. In comparison to the standard Wilson action we do find a drastic reduction of cut-off effects already with tree level improved actions. On lattices with temporal extent $N_\\tau=4$ results for the surface tension and latent heat obtained with a tree level improved action agree well with those obtained with a tadpole improved action. A comparison with $N_\\tau=3$ calculations, however, shows that results obtained with tadpole action remain unaffected by cut-off effects even on this coarse lattice, while the tree level action becomes sensitive to the cut-off. For the surface tension and latent heat we find $\\sigma_I/ T_c^3 = 0.0155~(16)$ and $\\Delta\\epsilon/T_c^4 = 1.40~(9)$, respectively.

  11. General Technical Report PSW-GTR-243 Relationship Between Precipitation and Tree

    E-Print Network [OSTI]

    General Technical Report PSW-GTR-243 148 Relationship Between Precipitation and Tree Mortality to precipitation. Many environmental factors influence the severity of disease epidemics. Precipitation data from Humboldt County. Higher levels of precipitation during the 2 years prior to observed mortality appeared

  12. TREE ANIMATION FOR A 3D INTERACTIVE VISUALIZATION SYSTEM FOR HURRICANE IMPACTS

    E-Print Network [OSTI]

    Chen, Shu-Ching

    TREE ANIMATION FOR A 3D INTERACTIVE VISUALIZATION SYSTEM FOR HURRICANE IMPACTS Peter A. Singh1 , Na of Computer Science Florida International University, Miami, FL 33199, USA 2 International Hurricane Research in an interactive system that visualizes the effects caused by a hurricane's impact on a virtual city. The system

  13. UNBC Continuing Studies -WILDLIFE DANGER TREE REGISTRATION FORM UNBC CONTINUING STUDIES 3333 University Way, Prince George, BC, V2N 4Z9 TEL: 250-960-5980 FAX: 250-960-5984 TOLL FREE: 1-866-843-8061

    E-Print Network [OSTI]

    Northern British Columbia, University of

    UNBC Continuing Studies - WILDLIFE DANGER TREE REGISTRATION FORM UNBC CONTINUING STUDIES 3333 form. Name Telephone Number Email Address COURSE INFORMATION - WILDLIFE DANGER TREE ASSESSOR

  14. Resolving the tips of the tree of life: How much mitochondrialdata doe we need?

    SciTech Connect (OSTI)

    Bonett, Ronald M.; Macey, J. Robert; Boore, Jeffrey L.; Chippindale, Paul T.

    2005-04-29

    Mitochondrial (mt) DNA sequences are used extensively to reconstruct evolutionary relationships among recently diverged animals,and have constituted the most widely used markers for species- and generic-level relationships for the last decade or more. However, most studies to date have employed relatively small portions of the mt-genome. In contrast, complete mt-genomes primarily have been used to investigate deep divergences, including several studies of the amount of mt sequence necessary to recover ancient relationships. We sequenced and analyzed 24 complete mt-genomes from a group of salamander species exhibiting divergences typical of those in many species-level studies. We present the first comprehensive investigation of the amount of mt sequence data necessary to consistently recover the mt-genome tree at this level, using parsimony and Bayesian methods. Both methods of phylogenetic analysis revealed extremely similar results. A surprising number of well supported, yet conflicting, relationships were found in trees based on fragments less than {approx}2000 nucleotides (nt), typical of the vast majority of the thousands of mt-based studies published to date. Large amounts of data (11,500+ nt) were necessary to consistently recover the whole mt-genome tree. Some relationships consistently were recovered with fragments of all sizes, but many nodes required the majority of the mt-genome to stabilize, particularly those associated with short internal branches. Although moderate amounts of data (2000-3000 nt) were adequate to recover mt-based relationships for which most nodes were congruent with the whole mt-genome tree, many thousands of nucleotides were necessary to resolve rapid bursts of evolution. Recent advances in genomics are making collection of large amounts of sequence data highly feasible, and our results provide the basis for comparative studies of other closely related groups to optimize mt sequence sampling and phylogenetic resolution at the ''tips'' of the Tree of Life.

  15. It's a Hard-Knock Butterfly's Life Can a Lady Monarch Provide a Role Model?

    E-Print Network [OSTI]

    Hansen, James E.

    , their migration path to Mexico includes a long stretch over Texas. Would this remarkable insect be able to find for her. The trip to northern Mexico would be the task of her children or grandchildren. The larvae were

  16. 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.

  17. Voluntary Agreements to Improve Environmental Quality: Are late joiners the free riders?

    E-Print Network [OSTI]

    Delmas, Magali A; Montes, Maria J.

    2007-01-01

    sustainable development. Strategic Management Journal, 26(utility sector. Strategic Management Journal, 26(5): 441-environmental litigation. Strategic Management Journal, 23(

  18. Brussels advocates a lone rider for ITER 09/22/2004 Edition

    E-Print Network [OSTI]

    ", explained the Minister. The Commission estimates moreover that 20% in savings are possible thanks

  19. Where's My Bus Stop? Supporting Independence of Blind Transit Riders with StopInfo

    E-Print Network [OSTI]

    Manchak, John

    in the Seattle area with information entered by the community, primarily as they waited at these stops and Society]: Social Is sues--Assistive technologies for persons with disabilities General Terms Design]. They often search for physical landmarks such as the bus shelter, benches, or transit sign as a cue

  20. L3:VUQ.VVDA.P2-2.03 William Rider SNL

    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 Outreach Home Room NewsInformationJesse Bergkamp Graduate student Subtask2 J.N. Shadid,1 Hany Abdel-Khalika1 Dan3

  1. L3:VUQ.VVDA.P2-2.05 William Rider SNL

    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 Outreach Home Room NewsInformationJesse Bergkamp Graduate student Subtask2 J.N. Shadid,1 Hany Abdel-Khalika1

  2. Notes on Forest and Ornamental Trees on the Grounds of the Agricultural and Mechanical College of Texas. 

    E-Print Network [OSTI]

    Ness, H. (Helge)

    1908-01-01

    , the tree is less vigorous, stunting from such severe prlin- ing will ensue at once. Heading up of trees should be done gradually as in the forest, where it is done by the gradual shading of the lower limbs. If any lower branch should grow too fast, so... AGRICULTURAL EXPERIMENT STATIONS. BULLETIN NO. 105. JUNE, 1908. NOTES ON FOREST AND ORNAMENTAL TREES ON THE GROUN1)S OF THE RAL AND MECHANICAL CO LLEGE OF TTE H. NESS, ASSISTANT HORTLCULTURIST. POSTOFFICE COLLEGE STA'PLON, BRAZOS COUXTY, TEXAS...

  3. Non-Gaussianity at tree and one-loop levels from vector field perturbations

    SciTech Connect (OSTI)

    Valenzuela-Toledo, Cesar A.; Rodriguez, Yeinzon; Lyth, David H.

    2009-11-15

    We study the spectrum P{sub {zeta}} and bispectrum B{sub {zeta}} of the primordial curvature perturbation {zeta} when the latter is generated by scalar and vector field perturbations. The tree-level and one-loop contributions from vector field perturbations are worked out considering the possibility that the one-loop contributions may be dominant over the tree-level terms [both (either) in P{sub {zeta}} and (or) in B{sub {zeta}}] and vice versa. The level of non-Gaussianity in the bispectrum, f{sub NL}, is calculated and related to the level of statistical anisotropy in the power spectrum, g{sub {zeta}}. For very small amounts of statistical anisotropy in the power spectrum, the level of non-Gaussianity may be very high, in some cases exceeding the current observational limit.

  4. 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.

  5. Random walk hierarchy measure: What is more hierarchical, a chain, a tree or a star?

    E-Print Network [OSTI]

    Czégel, Dániel

    2015-01-01

    Signs of hierarchy are prevalent in a wide range of systems in nature and society. One of the key problems is quantifying the importance of hierarchical organisation in the structure of the network representing the interactions or connections between the fundamental units of the studied system. Although a number of notable methods are already available, their vast majority is treating all directed acyclic graphs as already maximally hierarchical. Here we propose a hierarchy measure based on random walks on the network. The novelty of our approach is that directed trees corresponding to multi level pyramidal structures obtain higher hierarchy scores compared to directed chains and directed stars. Furthermore, in the thermodynamic limit the hierarchy measure of regular trees is converging to a well defined limit depending only on the branching number. When applied to real networks, our method is computationally very effective, as the result can be evaluated with arbitrary precision by subsequent multiplications...

  6. RNS and Pure Spinors Equivalence for Type I Tree Level Amplitudes Involving up to Four Fermions

    E-Print Network [OSTI]

    G. Alencar; M. O. Tahim; R. R. Landim; R. N. Costa Filho

    2011-11-25

    In this paper we give a proof of the equivalence between the RNS and Pure Spinor formalism for Type I tree level amplitudes involving up to four fermions. This result have been obtained previously for amplitudes involving only closed or open amplitudes and here we extend it to include Type I amplitudes. For this we first prove the cyclic symmetry of Type I superstring in a way that it is also valid for the Pure Spinor formalism. The technique used is applied to simplify the calculation of the tree level three point amplitude previously computed. As a byproduct, we are able to calculate the gauge anomaly amplitude of type I Superstrings in this formalism.

  7. 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)

  8. 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...

  9. Degree Ramsey numbers for cycles and blowups of trees , Kevin G. Milans

    E-Print Network [OSTI]

    West, Douglas B.

    Degree Ramsey numbers for cycles and blowups of trees Tao Jiang , Kevin G. Milans , and Douglas B a monochromatic copy of G in some color class. Let the s-color degree Ramsey number of a graph G, written R(G; s), be min{(H): H s G}. We prove that the 2-color degree Ramsey number is at most 96 for every even cycle

  10. Scalable Parallel Implementation of Bayesian Network to Junction Tree Conversion for Exact Inference1

    E-Print Network [OSTI]

    Hwang, Kai

    -case running time is shown to be O(n2 w/p+wrw n/p+n log p), where w is the clique width and r is the number stages. The combined time complexity of our parallel approach is O(n2 w/p + wrw n/p + n log pScalable Parallel Implementation of Bayesian Network to Junction Tree Conversion for Exact

  11. 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)

  12. Rooted-tree network for optimal non-local gate implementation

    E-Print Network [OSTI]

    Nilesh Vyas; Debashis Saha; Prasanta K. Panigrahi

    2015-06-28

    A general quantum network for implementing non-local control-unitary gates, between remote parties at minimal entanglement cost, is shown to be a rooted-tree structure. Starting from a five party scenario, we demonstrate the local implementation of simultaneous control-Hermitian and multiparty control-unitary gates in an arbitrary n-party network. Previously established networks are shown to be special cases of this general construct.

  13. O(C + D) HotPotato Routing on Trees Costas Busch # Malik MagdonIsmail + Marios Mavronicolas # Roger Wattenhofer

    E-Print Network [OSTI]

    Bystroff, Chris

    ]. They have been used in parallel machines such as the HEP multiprocessor [31], the Connection machine [17 be used to route packets in an arbitrary network. We consider trees in which nodes are synchronous, namely

  14. A 10-year evaluation of the functional basis for regeneration habitat preference of trees in an African evergreen forest

    E-Print Network [OSTI]

    Kitajima, Kaoru

    contribute to the maintenance of tree species diversity (Denslow, 1987; Brokaw and Busing, 2000; Wright, 2002 leaves than understory species. We used logistic regression as a complementary approach to assess

  15. Drivers of variability in water use of native and non-native urban trees in the greater Los Angeles area

    E-Print Network [OSTI]

    McCarthy, Heather R.; Pataki, Diane E.

    2010-01-01

    simulation of tree effects in an urban water balance model.J Am Water Resour Assn 44:75–85 White R, Havlak R, NationsD, Dewey D (2007) How much water is “enough”? Using PET to

  16. 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

  17. Results from intercropping fast-growing trees and food crops at Morogoro, Tanzania

    SciTech Connect (OSTI)

    Redhead, J.F.

    1992-12-31

    In Morogoro, Tanzania, agroforestry trials were set up to investigate intercropping with primarily eucalypt species. The climate in the region is very similar to Kolar, Karnataka State, India. Three crops-sorghum, bean and maize-were grown annually under Eucalyptus tereticornis at 2.5 m x 2.5 m for three years with a range of weeding practices. Plots that were intercropped with beans showed best results. Shading by the eucalypts after three years resulted in negligible crop yields in all treatments. Three tree spacings of E. camaldulensis (3 m x 3 m, 4 m x 4 m, and 5 m x 5 m) were combined with the intercropping of beans and maize. Beans gave satisfactory yields at all spacings, but the maize showed significantly depressed yields at 3 m x 3 m at 4 m x 4 m, but was similar to pure maize crop at 5 m x 5 m spacing. Overall the extra revenue from a food crop in the first and second year of tree growth increases the return from the land. The short rotation of fast growing trees depleted the soil of nutrients and, as with other crops, the fertility would have to be maintained by applying fertilizer.

  18. 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...

  19. Magnitude of 1999 release to the ORR truly unique Record of the 14C-Pulse in Tree Rings

    E-Print Network [OSTI]

    Magnitude of 1999 release to the ORR truly unique Record of the 14C-Pulse in Tree Rings The 14C signature in the local tree ring record demonstrates the unique and unprecedented nature of the 1999 event-Jan-97 full leaves buds-oak buds-maple 1988 1999 2000 2001 Expected with no label N2000 N2001 D14C

  20. Effects of verbenone and brevicomin on within-tree populations of Dendroctonus frontalis and Ips avulsus (Coleoptera: Scolytidae) 

    E-Print Network [OSTI]

    Watterson, Gary Phillip

    1979-01-01

    EFFECTS OF VERBENONE AND BREVICOMIN ON WITHIN-TREE POPULATIONS OF DENDROCTONUS FRONTALIS AND IPS AVULSUS (COLEOPTERA: SCOLYTIDAE) A Thesis by GARY PHILLIP WATTERSON Submitted to the Graduate College of Texas A8M University in partial... by GARY PHILLIP WATTERSON Approved as to style and content by: Chairman of o ee Head of Department ember Member I , Mem er December, 1979 ABSTRACT Effects of Verbenone and Brevi comi n on Within-Tree Populations of Dendroctonus frontalis and ~I...