Environmental System Science Program
U.S. Department of Energy | Office of Science | Office of Biological and Environmental Research

2014 ESS PI Meeting Research Summary

The Terrestrial Ecosystem Science and Subsurface Biogeochemical Research programs within the Department of Energy’s Office of Biological and Environmental Research (BER) held their second annual joint investigators meeting May 6-7, 2014, in Potomac, Maryland, just north of Washington, D.C.

  • Research abstracts: Download PDF
  • Agenda: Download PDF

Meeting agenda

Tuesday, May 6, 2014

8:00-9:55 amOverview of Programs and Strategic DirectionsP. Bayer
8:00-8:05 amWelcome and Introductory CommentsP. Bayer
8:05-8:20 amBER ProgramsS. Weatherwax
8:20-8:35 amCESD Programs & Strategic DirectionsG. Geernaert
8:35-8:55 amAdvanced Simulation Capability for Energy (ACME)D. Koch
8:55-9:15 amCESD Data/Modeling EffortsJ. Hnilo
9:15-9:35 amTES Program Goals, Objectives, Program Structure and HighlightsD. Stover
9:35-9:55 amSBR Program Goals, Objectives, Program Structure and HighlightsD. Lesmes
9:55-10:15 amBreak
10:15-12:15 pmPlenary Session I ? Mechanistic Modeling of Terrestrial Environments: ?Bedrock to Atmosphere?Lesmes
10:15-10:45 amThe GEWaSC Framework: A Genome-Enabled Approach to MultiScale Modeling of Complex Microbial, Biogeochemical and Hydrological ProcessesC. Steefel, E. Brodie
10:45-11:15 amNGEE-Arctic: Migrating Knowledge across Scales to Improve Climate PredictionP. Thornton
11:15-11:45 amDiagnosing Scaling Behavior of Groundwater with a Fully-Integrated, High Resolution Hydrologic Model Simulated over the Continental US: Watersheds to ContinentsR. Maxwell
11:45-12:15 pmMultiscale Modeling of Land-Atmosphere Interactions in CESMS. Denning
12:15-2:00 pmLunch
12:30-2:00 pmWorking Group Sessions
Hg Working GroupT. Barkay, S. Brooks, N. Yee
Rads Working GroupS. Fendorf. N. Hess, B. Powell
2:00-5:00 pmPoster Session I
2:00-3:30 pmPoster Subsession A
3:30-5:00 pmPoster Subsession B
7:00-8:30 pmConcurrent Sessions - I
Concurrent Session 1: SPRUCEStover
7:00-7:20 pmThe S1 Bog Carbon Cycle and Projected Warming Responses for the SPRUCE ExperimentP. Hanson
7:20-7:40 pmCoupling Peat Decomposition and Metagenomics to Incorporate Molecular Scale Processes into Climate ModelsJ. Kostka
7:40-8:00 pmDo all 'Bogs' have Similar Anaerobic Carbon Dynamics and Microbial Community Structure? Putting the SPRUCE Site in a Regional PerspectiveS. Bridgham
8:00-8:20 pmOrganic N cycling at SPRUCEK. Hofmockel
8:20 PMDiscussion
8:30 PMAdjourn
Concurrent Session 2: Science Advances Enabled by EMSL CapabilitiesBayer/Hess
7:00-7:10 pmAn Overview of EMSL Science and an Example from Recent Structural Studies of the Major Pilin Protein from Geobacter sulfurreducensK. Mueller
7:10-7:20 pmHigh-Resolution Molecular Profiling of Permafrost Soil Organic Carbon Composition and DegradationB. Gu
7:20-7:30 pmMulti-System Analysis of Microbial BiofilmsM. Marshall
7:30-7:40 pmPore-Scale and Continuum Simulation of Microfluidics Experiments on Reactive Transport and Multiphase Flow Conducted at EMSLA. Valocchi
7:40-7:50 pmX-ray Tomographic Imaging of Hydraulic Modeling of Plant RootsC. Liu
7:50-8:00 pmConnecting Soil Organic Matter (SOM) Residence Time with SOM Molecular Structure and the Soil EnvironmentM. Torn
8:00-8:10 pmIntegrated Soil Organic C Analyses at EMSL Enable New Understanding of Soil C Protection MechanismsV. Bailey
8:10-8:20 pmUranium Immobilization in an Iron- and Organic Matter-Rich Rhizosphere of a Native Wetland PlantD. Kaplan
8:30 PMAdjourn
Concurrent Session 3: Inorganic BiogeochemistryLesmes
7:00-7:20 pmElectron Transfer and Atom Exchange Between Fe(II) and Structural Fe(III) in ClaysM. Scherer
7:20-7:40 pmReactivity of Iron-Bearing Phyllosilicates with Uranium and Chromium Through Redox Transition ZonesB. Burgos
7:40-8:00 pmDominant Mechanisms of Uranium-Phosphate Reactions in Subsurface SedimentsJ. Catalano
8:00-8:20 pmScaling of Molecular Processes to Quantify Biogeochemical Reaction and Transport of Uranium in Subsurface SystemsP. O?Day
8:20 PMDiscussion
8:30 PMAdjourn
Concurrent Session 4: HydrobiogeochemistryHirsch/Kuperberg
7:00-7:20 pmMethane Oxidation in Boreal Peatlands: A Joint Field, Laboratory and Modeling InvestigationR. Neumann
7:20-7:40 pmMicrobial Dynamics in Arctic Tundra Soils: The Interplay of Plants, Soils, and Extreme ClimateM. Wallenstein
7:40-8:00 pmStrikingly Different Form of Organic Carbon in Soils of Temperate and Permafrost Soils: Implications for Carbon and Metal CyclingS. Myneni
8:00-8:20 pmFate of Uranium During Transport Across the Groundwater-Surface Water InterfaceP. Jaffe
8:20 PMDiscussion
8:30 PMAdjourn

Wednesday, May 7, 2014

6:30-8:00 amBreakfast
8:00-9:00 amPlenary Session IIHirsch
8:00-8:30 amModel-Data Synthesis of Ecosystem Responses to Elevated CO2: From Deserts to Temperate Forests of the U.SA. Walker
8:30-9:00 amIntegrating Microbial Ecology with Hydro-BiogeochemistryJ. Stegen
9:00-12:00 pmPoster Session II
9:00-10:30 amPoster Subsession C
10:30-12:00 pmPoster Subsession D
12:00-1:30 pmLunch
1:30-3:00 pmPlenary Session III ? Plant Genomics to Ecosystem FunctionLesmes
1:30-2:00 pmThe Challenges and Opportunities for Extending Plant Genomics to Climate Research and ModelingD. Weston
2:00-2:30 pmHydraulic Redistribution of Water through Plant Roots - Implications for Carbon Cycling and Energy Flux at Multiple ScalesZ. Cardon
2:30-3:00 pmMultiscale Modeling of Ecosystem Structure and FunctionG. Katul
3:00-4:30 pmConcurrent Sessions ? II
Concurrent Session 5: Disturbances and Responses in Terrestrial EcosystemsStover
3:00-3:20 pmB4WarmED: Warming X Rainfall Manipulation Shifts Integrated Soil and Plant Community Processes in a Boreal Ecotone ExperimentP. Reich
3:20-3:40 pmCarbon and Energy Balance Consequences of Widespread Mortality in Pinon-Juniper WoodlandsM. Litvak
3:40-4:00 pmResistance and Resilience of a Grassland Ecosystem to Climate ExtremesM. Smith
4:00-4:20 pmDeconvolving Local Versus Regional Controls over Plant and Ecosystem Responses to Climate Change in Pacific Northwest PrairiesL. Pfeifer-Meister
4:20 PMDiscussion
4:30 PMAdjourn
Concurrent Session 6: ArcticKuperberg
3:00-3:20 pmGeophysical Evidence for Surface-Subsurface Interactions in Arctic TundraS. Hubbard
3:20-3:40 pmGeomorphological Controls on Water and Terrestrial Ecosystem Processes within Ice-Rich Polygonal LandscapesC. Wilson
3:40-4:00 pmMulti-Disciplinary Research Targets Improved Representation of Arctic Ecosystems in Earth System ModelsD. Graham
4:00-4:20 pmThe Impact of Permafrost Carbon Loss on the Carbon Balance of an Experimentally Warmed Tundra EcosystemT. Schuur
4:20 PMDiscussion
4:30 PMAdjourn
Concurrent Session 7: Environmental MicrobiologyBayer
3:00-3:20 pmDiversity and Metabolic Potential of the Terrestrial Subsurface Microbiome and its Influence on Biogeochemical CyclingJ. Banfield
3:20-3:40 pmOmics and Geochemistry: the ENIGMA 100-Well SurveyT. Hazen
3:40-4:00 pmHg(0) Oxidation by Anaerobic BacteriaN. Yee
4:00-4:20 pmSulfur-Mediated Electron Shuttling during Bacterial Iron ReductionT. Flynn
4:20 PMDiscussion
4:30 PMAdjourn
Breakout Session 8: "Building Better Modeling Tools for Practitioners"Lesmes
3:00-3:15 pmExperiment-Inspired Software Design and Ecosystem Modular Testing for CLM DevelopmentD. Wang
3:15-3:30 pmExpanding the Role of Reactive Transport Modeling within the Biogeochemical SciencesL. Li
3:30-3:45 pmLighting TalksMultiple Presenters
3:45-4:30 pmDiscussion
4:30 PMAdjourn
4:30-5:30 pmPlenary Session IV ? How Science Informs PolicyKuperberg
4:30-4:45 pmScience & Policy ? An Investment PerspectiveJ. Bucknall, World Bank
4:45-5:00 pmScience & Policy ? A Diplomatic PerspectiveD. Reidmiller, U.S. Dept of State
5:00-5:15 pmScience & Policy ? A Research Funding PerspectiveK. Barrett, NOAA
5:15-5:30 pmScience & Policy ? A Scientific PerspectiveP. Duffy, USGCRP
5:30-5:45 pmCloseout/Announcements
5:45-7:00 pmDinner
7:00 PMAdjourn
7:00-8:30 pmTeam Meetings
NGEE-ArcticS. Wullschleger

Individual Abstract PDFs

PresenterPrincipal InvestigatorAbstract TitlePresenter InstitutionActivity / Group
Anantharaman, KarthikJillian F. BanfieldGenome– resolved metagenomics provides a comprehensive view of microbial metabolism in the subsurfaceUniversity of California, BerkeleySBR SFA
Anderson–Teixeira, KristinaKristina Anderson–TeixeiraCarbon Dynamics of Forest Recovery under a Changing Climate: Forcings, Feedbacks, and Implications for Earth System ModelingSmithsonianTES University Award
Andres, RobertRobert AndresTemporal, Spatial, and Uncertainty Aspects of Carbon Dioxide Emissions from Fossil Fuel Combustion: Highlights of the Last Year of TES FundingOak Ridge National LabTES SFA
Atchley, AdamStan WullschlegerIntegrating Field Measurements in Fine Scale Model Development for Understanding Future Active Layer Thickness DynamicsLos Alamos National LabNGEE Arctic
Bailey, VanessaV.L. BaileyPore, to Core– Scale Research to Inform Ecosystem– Scale Soil C BiogeochemistryPacific Northwest National LabDOE Lab
Bargar, JohnJohn R. BargarSLAC SFA: Coupled cycling of organic matter, uranium, and biogeochemical critical elements in subsurface systemsSLACTES SFA
Bargar, JohnJohn R. BargarSLAC SFA: Biogeochemistry of U(IV) and carbon in organic– rich sediments in the upper Colorado River BasinSLACTES SFA
Barkay, TamarTamar BarkayMercury stable isotope exchange between dissolved Hg(0) and Hg(II)– thiol complexesRutgers UniversitySBR University Award
Beisman, JamesCarl SteefelIntegrated Surface– Subsurface Reactive TransportColorado School of MinesStudent
Biraud, SebastienSebastien BiraudARM– ACME projects in the SGP and NSALawrence Berkeley National LabAmeriFlux
Bisht, GautamStan Wullschleger, ORNLTopographic controls on scaling of hydrologic and thermal processes in polygonal ground features of an Arctic ecosystemLawrence Berkeley National LabNGEE Arctic
Bolton, W. RobertStan WullschlegerConceptualization and Application of Arctic Tundra Landscape Evolution Using the Alaska Thermokarst ModelInternational Arctic Research Center, University of Alaska FairbanksNGEE Arctic
Bond–Lamberty, BenVanessa BaileyIntegrating models of greenhouse gas production from soils at multiple scalesPacific Northwest National LabDOE Lab
Boyanov, MaximKen KemnerUpdate on the factors controlling the speciation of Hg and U in laboratory reactors, flow– through columns, and natural sedimentsBulgarian Academy of SciencesSBR SFA
Bridgham, ScottScott D. Bridgham, University of OregonInitial Responses of Methane Cycling to Deep Peat Warming in a Minnesota BogUniversity of OregonTES University Award
Brooks, ScottEric PiercePeriphyton biofilms generate methylmercury in a contaminated creek systemOak Ridge National LabTES SFA
Cardarelli, EmilyJohn BargarThe Microbes Underground: A Look at Subsurface Nitrogen– Cycling Microbial Communities at Uranium Contaminated Sites in the Colorado River BasinStanford UniversityStudent
Cardon, ZoeZoe CardonDynamic effects of hydraulic redistribution on nutrient availability and ecosystem carbon pools.Marine Biological LabTES University Award
Cavaleri, MollyMolly Cavaleri, Michigan Technological UniversityTropical Response to Altered Climate Experiment (TRACE): adventures in warming a wet tropical forest in Puerto RicoMichigan Technological UniversityTES University Award
Chambers, JeffJeff ChambersNext Generation Ecosystem Experiments (NGEE) Tropics: OverviewLawrence Berkeley National LabNGEE Tropics
Chen, XingyuanXingyuan ChenHydrogeophysical Data Assimilation for Characterizing Aquifer Heterogeneity at a Groundwater and River Water InterfacePacific Northwest National LabTES SFA
Christopher, FrancisJohn R. BargarSLAC SFA: Molecular mechanisms controlling U(IV) release from organic– rich sediments: role of nitrification and denitrificationStanford UniversityTES SFA
Conrad, MarkSusan HubbardIsotopic Insights into Nitrogen Cycling in the Rifle SubsurfaceLawrence Berkeley National LabSBR SFA
Conroy, NathanAnnie KerstingThe Effect of Natural Organic Matter on Plutonium Sorption to GoethiteClemson UniversityStudent
Coon, EthanStan Wollschleger, ORNLUsing fine– scale models to inform next– generation Earth system modelsLos Alamos National LabNGEE Arctic
Curfman McInnes, LoisMike Heroux, Lois Curfman McInnes, and J. David MoultonInteroperable Design of Extreme– scale Application Software (IDEAS): Software development methodologies that enhance scientific productivityArgonne National LabDOE Lab
Dafflon, BaptisteSusan S. HubbardGeophysical– based Approaches for Quantifying the Spatiotemporal Distribution of Physicochemical and Hydraulic Properties that Influence the Biogeochemical Functioning of the Rifle CO FloodplainLawrence Berkeley National LabSBR SFA
Domec, Jean– ChristopheJean– Christophe DomecConversion of natural forests to managed forest plantations decreases tree resistance to prolonged droughtsNorth Carolina State UniversityTES University Award
Dye, DennisDennis G. DyeWhat Regulates the Seasonality of Photosynthetic Metabolism in Tropical Forests?U.S. Geological SurveyTES University Award
Eissenstat, DavidDavid EissenstatExploring the Influence of Topography on Belowground C Processes at the Shale Hills Critical Zone ObservatoryPennsylvania State UniversityTES University Award
Elias, DwayneEric M. PierceDevelopment of Molecular Tools for the Accurate Assessment of Mercury Methylation Potentials in any EnvironmentOak Ridge National LabTES SFA
Fendorf, ScottScott FendorfSpatial Variation in Microbial Processes Controlling Carbon Mineralization within Soils and SedimentsStanford UniversityTES University Award
Fendorf, ScottJohn R. BargarMolecular pathways of U(VI) reduction in organic– rich sedimentsStanford UniversityTES SFA
Finzi, AdrienAdrien FinziEffects of Experimental Warming and Elevated CO2 on Trace Gas Emissions from a Black Spruce Peatland [SPRUCE]Boston UniversityTES University Award
Fischer, MarcMarc L. FischerFull– column Greenhouse Gas Profiles Measured at ARM SGPLawrence Berkeley National LabAmeriFlux
Flower, CharlesMiquel A. Gonzalez– MelerCanopy Spectral Imaging (NDVI) As A Proxy Measurement Of Shrub Biomass And Ecosystem Carbon Fluxes Across Arctic Tundra HabitatsUniversity of Illinois at ChicagoTES University Award
Flynn, TheodoreKenneth Kemner (Argonne)Microbial Community Structure in Redox Dynamic EnvironmentsArgonne National LabSBR SFA
Fox, PatriciaSusan HubbardCharacterization of Natural Organic Matter in Low Organic Carbon Environments: Approaches and Implications for ReactivityLawrence Berkeley National LabSBR SFA
Francis, ChristopherJohn R. BargarSLAC SFA: Molecular mechanisms controlling oxidative release of uranium from organic– rich sediments: role of nitrification and denitrificationStanford UniversityTES SFA
Frasson, Renato P. D. M.Karina V.R. SchäferHow does the definition of plant functional types affect the modeling of carbon and water fluxes on a mixed pine/oak forest?Ohio State UniversityTES University Award
Furze, MorganAndrew RichardsonQuantifying nonstructural carbon pools in temperate forest treesHarvard UniversityStudent
Georgiou, KaterinaMargaret S. Torn (Lawrence Berkeley National Laboratory)LBNL TES SFA: Emergent responses of soil C dynamics to seasonal variability in nonlinear SOM– microbial modelsUniversity of California, BerkeleyTES SFA
Graham, DavidStan WullschlegerBiogeochemical Controls on Microbial CO2 and CH4 Production in Polygonal Soils From the Barrow Environmental ObservatoryOak Ridge National LabNGEE Arctic
Green, JuliaJung-Eun Lee , Brown UniversityEnergy, water and phenology controls on the annual carbon and water cycles in tropical forestsColumbia University of New YorkStudent
Griffiths, NataliePaul HansonResponses of peat porewater chemistry to deep peat warming in a northern peatlandOak Ridge National LabTES SFA
Gu, BaohuaEric PierceMechanisms and factors controlling photochemical transformation of mercury and net methylmercury formation in the aquatic environmentOak Ridge National LabTES SFA
Gu, LianhongPaul HansonClimate variability as a key factor for model improvement: insights from observed and modeled ecosystem functional responses to precipitation regimes and associated stresses in a central US forestOak Ridge National LabTES SFA
Gu, LianhongPaul HansonPredictors and mechanisms of the drought– influenced mortality of tree species along the isohydric to anisohydic continuum in a decade– long study of a central US temperate forestOak Ridge National LabTES SFA
Hanson, PaulPaul HansonORNL’s Terrestrial Ecosystem Science – €œ Scientific Focus Area (TES SFA): A 2015 OverviewOak Ridge National LabTES SFA
Hanson, PaulPaul HansonSPRUCE Deep Peatland Heating: System Performance and Measured “Ecosystem” Net Surface CO2 and CH4 ResponsesOak Ridge National LabTES SFA
Hayes, DanielDaniel HayesA geospatial data framework for assessing circumarctic– scale permafrost carbon vulnerability based on observations, experiments and modelingOak Ridge National LabEarly Career
Hinkle, RossC. Ross HinkleCarbon Dynamics of the Greater Everglades Watershed and Implications of Climate ChangeUniversity of Central FloridaTES University Award
Hobbie, ErikKirsten Hofmockel, Iowa State UniversityInferring peatland C and N dynamics from isotopic measurements in peat profiles at SPRUCEESRC– EOS, University of New HampshireTES University Award
Hofmockel, KirstenKirsten HofmockelPeatland topography influences microbial function at SPRUCEIowa State UniversityTES University Award
Hollinger, DavidDavid Y. Hollinger, USDA Forest ServicePartitioning autotrophic and heterotrophic respiration at the Howland ForestUSDA Forest ServiceTES University Award
Hook, LesPaul HansonORNL’s TES SFA Data Management in Support of MODEX to Facilitate Data Sharing and AnalysesOak Ridge National LabTES SFA
Hou, Zhangshuan (Jason)John Zachara, PNNLFacies– based mapping of hydro– biogeochemical attributes to subsurface and surface water interaction zone at the Hanford sitePacific Northwest National LabTES SFA
Hubbard, SusanSusan HubbardGenome– to– Watershed Predictive Understanding of Terrestrial Environments: Overview of the LBNL SBR SFA 2.0Lawrence Berkeley National LabSBR SFA
Iversen, ColleenPaul Hanson (ORNL) and Dan Ricciuto (ORNL)Just beneath the surface: The distribution and dynamics of fine roots in a forested peat bogOak Ridge National LabTES SFA
Jaffe, PeterPeter R JaffeFate of Uranium in Wetlands: Impact of Drought followed by Re– floodingPrinceton UniversitySBR University Award
Jardine, KolbyJeffrey Chambers, LBNLInteractions between plant physiology and atmospheric chemistry as a part of the GoAmazon 2014/15 Terrestrial Ecosystem Collaborative Project (Geco)Lawrence Berkeley National LabDOE Lab
Jastrow, JulieJulie JastrowANL Terrestrial Ecosystem Science SFA: Soil Organic Carbon Stocks and their Distributions across Ice– Wedge Polygons of Arctic AlaskaArgonne National LabTES SFA
Jewell, TaliaHarry R. BellerMetatranscriptomic evidence of diverse chemolithoautotrophy in the Rifle (CO) subsurface relevant to C, S, N, and Fe cyclingLawrence Berkeley National LabSBR SFA
Johnston, MiriamAndrew RichardsonImproving models to predict phenological responses to global changeHarvard UniversityTES University Award
Johs, AlexanderEric PierceReconstitution and spectroscopic characterization of the corrinoid protein HgcAOak Ridge National LabTES SFA
Keeling, RalphRalph KeelingMeasurements and modeling of CO2 concentration and isotopes to improve process, level understanding of Arctic and boreal carbon cyclingScripps Institution of OceanographyTES University Award
Keller, JasonScott D. Bridgham; Jason K. KellerInitial Responses of Methane Cycling to Deep Peat Warming in a Minnesota BogChapman UniversityTES University Award
Kemner, KenK. M. KemnerThe Argonne National Laboratory Subsurface Biogeochemical Research Program SFA: Fe and S Biogeochemistry in Redox Dynamic EnvironmentsArgonne National LabSBR SFA
Kersting, AnnieAnnie KerstingEnvironmental Transport of Plutonium: Biogeochemical Processes at Femtomolar Concentrations and Nanometer ScalesLawrence Livermore National LabTES SFA
Kersting, AnnieAnnie KerstingPlutonium Sorption to Mineral Surfaces at Attomolar to Micromolar ConcentrationsLawrence Livermore National LabTES SFA
Kersting, AnnieAnnie KerstingStabilization of Pu Surface Complexes on Mineral Colloids by Natural Organic MatterLawrence Livermore National LabTES SFA
Kersting, AnnieAnnie KerstingDirect and Indirect Microbial Interactions with Pu and ColloidsLawrence Livermore National LabTES SFA
King, EricGenomes to Watershed LBNL SFA 2.0: Modeling Microbial Community Dynamics with Genome– Informed Trait– Based ModelsLawrence Berkeley National LabSBR SFA
Kostka, JoelJoel E. KostkaToward a predictive understanding of the response of belowground microbial carbon turnover to climate change drivers in a boreal peatland.Georgia Institute of TechnologyTES University Award
Krofcheck, DanMarcy LitvakPassive optical imagery for the rapid determination of above ground biomass and vegetation status in pinon– juniper woodlandsUniversity of New MexicoTES University Award
Kueppers, LaraLara M. KueppersSoil moisture constrains subalpine tree seedling physiology, recruitment, and population responses to warming across an elevation gradientUniversity of California, MercedTES University Award
Kumar, JitendraJitendra KumarMulti– scale modeling of permafrost freeze– thaw dynamics in polygonal tundraOak Ridge National LabNGEE Arctic
Lara, MarkStan WullschlegerImportance of considering small– scale polygonal tundra geomorphology in large– scale process models for assessing change in carbon balance on the Barrow PeninsulaUniversity of Alaska FairbanksNGEE Arctic
Latta, DrewMichelle Scherer, University of IowaElectron Transfer and Atom Exchange Between Fe(II) and Structural Fe(III) in ClaysUniversity of IowaSBR University Award
Law, BeverlyBeverly E. LawCarbon cycle dynamics in Oregon’s urban– suburban– forested– agricultural landscapesOregon State UniversityTES University Award
Leung, L. RubyJeff ChambersImproving understanding and modeling of hydrology– carbon interactions in NGEE, TropicsPacific Northwest National LabNGEE Tropics
Lintner, BenjaminJung– Eun LeeEcophysiological controls on Amazonian precipitation seasonality and variabilityRutgers UniversityTES University Award
Litvak, MarcyMarcy LitvakEco– hydrological consequences of drought– induced forest mortality: an observational case study in pinyon– juniper woodlands in the southwestern USUniversity of New MexicoTES University Award
Liu, ChongxuanJohn ZacharaDevelopment of Genome– Informed Reaction Network and Dynamic Models for Simulating Biogeochemical Processes of Carbon, Nitrogen, Chromium and Technetium in Subsurface SystemsPacific Northwest National LabTES SFA
Lovley, DerekDerek LovleySeeing What a Microbe Sees: Real– Time Geochemical Monitoring with ‘Geo– Sense’University of MassachusettsSBR University Award
Machmuller, MeganMatthew WallensteinTracking the fate of Arctic carbon in a rapidly changing ecosystemColorado State UniversityTES University Award
Mailloux, BrianBrian J. MaillouxRadiocarbon Signature of Microbial DNA and RNA from a Reducing Zone of a Floodplain aquifer, Rifle ColoradoBarnard CollegeSBR University Award
Marshall, MatthewMatthew J. MarshallMulti– system Analysis of Microbial BiofilmsPacific Northwest National LabEarly Career
Matamala, RoserRoser MatamalaANL Terrestrial Ecosystem Science SFA: Characterizing organic matter quality and lability of Alaskan soils using mid infrared spectroscopyArgonne National LabTES SFA
Mayes, MelaniePaul HansonImproving Soil C Dynamic Models Through the Incorporation of Microbial ProcessesOak Ridge National LabTES SFA
McFarlane, KarisKaris McFarlaneUtilization and transformation of terrestrial carbon in northern landscapesLawrence Livermore National LabDOE Lab
Menzer, OlafMargaret TornMapping AmeriFlux footprints: Towards footprint model processing across a network of flux tower sitesLawrence Berkeley National LabStudent
Michelson, KyleAlbert ValocchiMicrobiological– enhanced mixing by long– range extracellular electron transfer during in– situ bioreduction of uraniumUniversity of Texas at AustinStudent
Mishra, UmakantUmakant MishraANL Terrestrial Ecosystem Science SFA: Capturing the spatial heterogeneity of soil organic carbon stocks using soil– forming factorsArgonne National LabTES SFA
Moore, JessicaAimee T. ClassenRoots and mycorrhizal fungi differentially impact microbial processesUniversity of TennesseeStudent
Moulton, DavidDavid MoultonEnvironmental Systems Science Use Cases Drive Requirements for Community– based Software DevelopmentLos Alamos National LabDOE Lab
Munger, J WilliamS. C. WofsyFluxes of CO2, CH4, CO, BVOCs, NOx, and O3 in an Old Growth Amazonian ForestSEAS, Harvard UniversityTES University Award
Myneni, SatishSatish C. B. MyneniCompetitive Complexation of Mercury with Thiols from Natural Organic Matter and Bacterial Cell EnvelopesPrinceton UniversitySBR University Award
Neumann, RebeccaRebecca NeumannSeasonal Oxygen Dynamics in a Thermokarst Bog in Interior Alaska: Implications for Rates of Methane OxidationUniversity of WashingtonTES University Award
Neupane, KoshEric PierceComplex organic ligands affecting mercury uptake and methylationOak Ridge National LabTES SFA
Nico, PeterSusan HubbardSediment Associated Organic Matter DynamicsLawrence Berkeley National LabSBR SFA
Norby, RichardJeff ChambersSoil Biogeochemistry and Nutrient Constraints on Productivity within the NGEE– Tropics Research ProgramOak Ridge National LabNGEE Tropics
O'Loughlin, EdwardEdward J. O'LoughlinInsights into Fe and S Biogeochemistry in Redox Dynamic EnvironmentsArgonne National LabSBR SFA
Oviedo Vargas, DianaDavid P. GenereuxEffects of high– carbon regional groundwater on carbon transfers in a lowland rainforest:   groundwater to surface water to airNC State UniversityTES University Award
Parks, JerryEric M. PierceToward Understanding the Biomolecular Mechanism of HgcAOak Ridge National LabTES SFA
Pastorello, GilbertoMargaret Torn (LBNL)AmeriFlux Carbon Flux Data Processing and ManagementLawrence Berkeley National LabAmeriFlux
Pfiffner, SusanSusan PfiffnerAnaeromyxobacter dehalogenans Strain 2CP– C Employs Distinct Metabolic Activities for Growth with Metal vs. Non– metal Electron AcceptorsUniversity of TennesseeSBR University Award
Pierce, EricEM Pierce (LRM)Biogeochemical and Molecular Mechanisms Controlling Contaminant Transformation in the EnvironmentOak Ridge National LabTES SFA
Pitz, ScottJ. Patrick MegonigalMethane Emissions from Upland TreesJohns HopkinsTES University Award
Powell, BrianBrian A. PowellRadionuclide Waste Disposal: Development of Multi– scale Experimental and Modeling CapabilitiesClemson UniversitySBR University Award
Powell, BrianBrian A. PowellDevelopment of a Self– Consistent Model of Plutonium Sorption: Quantification of Sorption Enthalpy and Ligand– Promoted DissolutionClemson UniversitySBR University Award
Raczka, BrettDavid Bowling, University of UtahTesting the Community Land Model (CLM 4.5) 13C isotope simulations against high resolution observations within a subalpine forest at Niwot Ridge, ColoradoUniversity of UtahTES University Award
Reed, SashaSasha C. ReedThe long and the short of it: how distinct climate drivers are affecting different components of drylands over varied timescalesU.S. Geological SurveyTES University Award
Reich, PeterPeter B ReichB4WarmED: Experimental warming and rainfall manipulation in a boreal ecotone reveal key responses and adjustments at plant, soil, and ecosystem scalesUniversity of MinnesotaTES University Award
Ricciuto, DanielPaul HansonSensitivity of Community Land Model carbon fluxes and biomass to parametersOak Ridge National LabTES SFA
Richardson, CurtisCurtis RichardsonPhenolic Compounds and Black Carbon Feedback Controls on Peat Decomposition and Carbon Accumulation in southern PeatlandsDuke UniversityTES University Award
Ricketts, MichaelMiquel A. Gonzalez– MelerSoil microbial community shifts in response to soil thermal insulation in moist acidic tundra of Northern AlaskaUniversity of Illinois ChicagoStudent
Riley, WilliamStan WullschlegerMechanistic treatment of plant N use, root– microbe competition, and microbial processes improves high– latitude and global ecosystem carbon budget predictionsLawrence Berkeley National LabNGEE Arctic
Riley, WilliamMargaret TornExplicitly representing microbes, enzymes, mineral interactions, and tracer transport to predict depth– resolved SOM stocks and turnover under warming: A component of the LBNL TES SFALawrence Berkeley National LabTES SFA
Rogers, AlistairWullschlegerImproving the Representation of Arctic Photosynthesis in Earth System ModelsBrookhaven National LabNGEE Arctic
Rowland, JoelJoel RowlandParticulate exchange rates between rivers and floodplains in high latitude watershedsLos Alamos National LabEarly Career
Saleska, ScottScott SaleskaPartitioning CO2 fluxes with isotopologue measurements and modeling to understand mechanisms of forest carbon sequestrationUniversity of ArizonaTES University Award
Salmon, VerityEdward SchuurIncreased Nitrogen availability in a tundra ecosystem during five years of permafrost thawUniversity of FloridaStudent
Santschi, Peter H.Peter H. SantschiPlutonium Immobilization and Mobilization by Soil Organic MatterTexas A&M UniversitySBR University Award
Schaefer, JeffraJeffra K. SchaeferA comparison of Hg(II) uptake and accumulation between mercury methylating and non– methylating bacteriaRutgers UniversitySBR University Award
Schaefer, MichaelScott Fendorf, Stanford UniversityProcesses controlling carbon mineralization within periodic wetland soilsStanford UniversityTES University Award
Scheibe, TimTim Scheibe, Susan HubbardCLM– Agni– Akuna Integration Demonstration: A Community Platform for Uncertainty QuantificationPacific Northwest National LabDOE Lab
Scheibe, TimJohn ZacharaCLM-Agni-Akuna Integration Demonstration: A Community Platform for Uncertainty QuantificationPacific Northwest National LabTES SFA
Schuur, EdwardEdward SchuurThe impact of permafrost carbon loss on the carbon balance of an experimentally warmed tundra ecosystemNorthern Arizona UniversityTES University Award
Serbin, ShawnStan WullschlegerScaling plant physiology for Earth System Models (ESMs)Brookhaven National LabNGEE Arctic
Sevanto, SannaNate McDowellMechanisms and traits associated with plant survival and mortality during droughtLos Alamos National LabDOE Lab
Sharp, JonathanJonathan O. SharpGenomic and synchrotron based investigation of metal immobilization during fermentation– supported sulfate reductionColorado School of MinesSBR University Award
Shi, XiaoyingPaul HansonRepresenting northern peatland microtopography and hydrology within the Community Land ModelOak Ridge National LabTES SFA
Silver, WhendeeWhendee SilverDetermining the Drivers of Redox Sensitive Biogeochemistry in Humid Tropical ForestsUniversity of California, BerkeleyTES University Award
Stegen, JamesJohn ZacharaCoupled Microbial– Biogeochemical Responses to Groundwater– Surface Water MixingPacific Northwest National LabTES SFA
Tas, NeslihanMargaret Torn (LBNL)LBNL Terrestrial Ecosystem Science SFA , Mysteries of the deep: Impact of warming on microbiology and carbon cycling in deep soils.Lawrence Berkeley National LabTES SFA
Tfaily, MalakNancy J HessNovel analysis approach and new insights from UHR MS of soil organic matterPacific Northwest National LabEMSL
Tharayil, NishanthNishanth TharayilImparting molecular specificity to surface– modified polymeric probes for the selective capture of plant metabolites.Clemson UniversityTES University Award
Throckmorton, HeatherStan WullschlegerGeochemical constraints on water, carbon, and nitrogen cycling at different scales in the tundra environment of Barrow, AlaskaLos Alamos National LabNGEE Arctic
Tien, MingMing TienCharacterization and Proteomic Analysis of Geobacter sulfurreducens PCA under Long, Term Electron– Donor StarvationPennsylvania State UniversitySBR University Award
Torn, MargaretMargaret TornThe AmeriFlux Management Project: OverviewLawrence Berkeley National LabAmeriFlux
Torn, MargaretMargaret TornLBNL Terrestrial Ecosystem Science SFA: Belowground carbon cyclingLawrence Berkeley National LabTES SFA
Trowbridge, AmyAmy M. TrowbridgeScratching the surface of belowground volatile emissions: A mechanistic and VOCational analysisIndiana UniversityTES University Award
Varadharajan, CharulekaSusan HubbardGenomes to Watershed Data Management and AssimilationLawrence Berkeley National LabSBR SFA
Versteeg, RoelofRoelof VersteegCloud based predictive assimilation framework for subsurface site managementSubsurface InsightsSBIR
Wainwright, HarukoSusan HubbardGeophysics– based Multiscale Characterization of the Arctic Tundra EcosystemLawrence Berkeley National LabNGEE Arctic
Walker, AnthonyRichard NorbyThe Impact of Elevated CO2 on Plant Production Responses to Drought: A Model– Data Comparison at Four US FACE Sites.Oak Ridge National LabTES SFA
Wang, DaliDali WangA Scientific Function Test Framework for Modular Environmental Model Development: Application to the CommunityTES SFA
Warren, JeffPaul HansonEcophysiology and water relations of Picea mariana within an ombrotrophic bogOak Ridge National LabTES SFA
Warren, MelissaJoel KostkaInteractions between nitrogen fixation and methane cycling in boreal peat bogsGeorgia Institute of TechnologyStudent
Williams, KennethSusan S. HubbardFrom Rifle to RMBL: MODEX activities at LBNL's new RMBL/East River field siteLawrence Berkeley National LabSBR SFA
Wilson, CathyStan Wullschleger, ORNLThe Role of Landscape Structure on Arctic Ecosystem ResponseLos Alamos National LabNGEE Arctic
Yabusaki, SteveSteve Yabusaki, PNNLGEWaSC Modeling of the Rifle Floodplain Aquifer: Hydrological, Biogeochemical, and Microbial Controls on Carbon, Nitrogen, and Oxygen FluxesLawrence Berkeley National LabSBR SFA
Yang, XiaojuanPaul HansonInfluence of phosphorus cycle coupling on land model response to CO2 fertilization and climate variabilityOak Ridge National LabTES SFA
Yang, ZimingStan WullschlegerRates and pathways of permafrost soil organic carbon degradation in Arctic tundraOak Ridge National LabNGEE Arctic
Yaseef, Naama RazMargaret S. Torn, LBNLMulti– scale evidence of CO2 and CH4 emissions during spring thaw from Northern AlaskaLawrence Berkeley National LabNGEE Arctic
Ye, MingMing YeComputational Bayesian Framework for Quantification and Reduction of Predictive Uncertainty in Climate Modeling and Groundwater Reactive Transport ModelingFlorida State UniversityEarly Career
Yuan, FengmingStan WullschlegerApplication of Fully Coupled Hydrology and Biogeochemistry CLM– PFLOTRAN Model to Simulate Soil C Stocks at NGEE Arctic Intensive Study Sites at Barrow, AlaskaOak Ridge National LabNGEE Arctic
Zachara, JohnJohn ZacharaPacific Northwest National Laboratory SFA: Hydro– Biogeochemical Process Dynamics in the Groundwater– Surface Water Interaction ZonePacific Northwest National LabTES SFA