Senior Research and Pr<strong>of</strong>essional Scientistsand Research Support PersonnelJacques Hueber (<strong>INSTAAR</strong>)climbing the jackstaff tower<strong>of</strong> the NOAA research vesselRon Brown for installation <strong>of</strong>a new ozone flux experiment,Charleston, SC, July 2<strong>00</strong>6.Photo: Ludovic Bariteau(CIRES/NOAA ESRL).Senior Research ScientistChris JenkinsPhD, Cambridge, UK. Research interests: Marine geosciences,seabed information processing and mapping,development <strong>of</strong> Geographic Information System (GIS) visualizationsand rule-based GIS expert systems.Pr<strong>of</strong>essional Scientists andResearch Support PersonnelTodd AckermanPrimary Duties: LTER data and information management.Research Interests: Data management and information technology.Supervisor: Tim Seastedt.Henry AdamsPrimary Duties: Tree-ring sample collection, preparation,dating, measurement, and quality-control analysis. ResearchInterests: Dendroecology, effects <strong>of</strong> climate change onforests, tree ecophysiology. Supervisor: Connie Woodhouse.Kathy AndersonPrimary Duties: Paleoclimatological studies on a continentalscale in North America, using pollen, plant macr<strong>of</strong>ossils,and modern vegetation to look at past and future climateand vegetation changes. Supervisor: Connie Woodhouse.Florence BocquetPrimary Duties: Assistant laboratory manager <strong>of</strong> theAtmospheric Research Laboratory. Development, testing,and application <strong>of</strong> analytical tools for field measurements.Research Interests: Arctic/Antarctic snow-atmosphere gasexchange. Supervisor: Detlev Helmig.Tara ChesleyPrimary Duties: Hydrogen and oxygen isotope analysis inwater. Supervisor: Bruce Vaughn.Kurt ChowanskiPrimary Duties: Maintaining and operating instrumentsmeasuring total dissolved nitrogen and carbon. ResearchInterests: Dissolved organic matter. Supervisor: MarkWilliams.Stephen DeVogelPrimary Duties: Laboratory manager, Amino Acid Lab.Supervisor: Gifford Miller.Allison DrakePrimary Duties: Isotopic analysis in greenhouse gases,paleoclimate modeling. Supervisor: Bruce Vaughn.Mark DreierPrimary Duties: Assistant laboratory manager in StableIsotope Laboratory. Provide technical expertise with thehardware, develop new systems, maintain old systems, andrebuild mass spectrometers and vacuum pumps. Supervisor:Bruce Vaughn.Sylvia EnglundPrimary Duties: Isotopic analysis in greenhouse gases.Research Interests: Stable isotopes in atmospheric carbondioxide and methane. Changes in biogeochemical cyclescaused by invasive species. Supervisor: Bruce Vaughn.Rhea EspositoPrimary Duties: Assisting with scientific paper preparation.Research Interests: Antarctic diatoms. Supervisor: SarahSpaulding.Jacques HueberPrimary Duties: Development <strong>of</strong> instrumentation for atmosphericmeasurements. Non-methane hydrocarbon measurementsfrom NOAA greenhouse gas network flasks.Supervisor: Detlev Helmig.Eric HuttonPrimary Duties: Maintain and develop numerical modelsthat predict the spatial and temporal distribution <strong>of</strong> marinesediments. Research Interests: Sediment transport, computationalfluid dynamics, and geophysics. Supervisor: ScottPeckham.52 | PEOPLE
Chris JarosSupervisor: Diane McKnight.Albert KettnerPrimary Duties: Develop numerical code <strong>of</strong> hydrologicalprocess model HYDROTREND, develop and maintain webbasedGIS applications, collect paleoclimate data for scenariomodeling (Geo clutter project). Research Interests:Programming and GIS applied to Earth science issues.Supervisor: James Syvitski.Richard KraemerPrimary Duties: Stable isotopes in atmospheric methane.Research Interests: Stable isotopes in atmospheric methaneand the biological sources. Supervisor: James White.Mark LoslebenPrimary Duties: Long-term climatic database management,atmospheric and precipitation measurements. ResearchInterests: Long-term climatic trends and related processeseffecting Niwot Ridge. Supervisor: Bill Bowman.Jeff LukasPrimary Duties: Tree-ring sample collection, dating, measuring,and data analysis. Research Interests: Climate variabilityin the interior West and its effects on human activities andecosystems. Supervisor: Connie Woodhouse.Eric ParrishPrimary Duties: Create graphics and GIS-based products,information, and image management, scientific illustration,and support. Research Interests: Scientific illustration,ArcGIS, remote sensing and graphic s<strong>of</strong>tware applications.Supervisor: E. James Dixon.Radiocarbon Preparation and Research, which providesradiocarbon dating services to the NSF-ESH community aswell as in-house research. Research Interests: Improvedradiocarbon dating techniques. Supervisor: Scott Lehman.Joanne TurnerPrimary Duties: Geoarchaeological assistant. ResearchInterests: Earliest peopling <strong>of</strong> the Americas and sources <strong>of</strong>raw materials for stone tools. Supervisor: James Syvitski.Bruce VaughnPrimary Duties: Oversight <strong>of</strong> the operation <strong>of</strong> the StableIsotope Lab, which performs isotopic analyses on atmosphericCO 2 , CH 4 , polar ice cores, water, and organic materials.The facility is comprised <strong>of</strong> several labs, and housesmultiple prep systems, <strong>of</strong>fline extraction systems, computingfacilities, and six mass spectrometers. Research Interests:Collaborative isotopic studies in ice cores, glaciers, atmosphericgases, and global change in general. Supervisor: JimWhite.Kris WhitePrimary Duties: Research assistant providing support toTownsend and White for the Carbon, Climate, and SocietyInitiative IGERT Program. Supervisor: Alan Townsend.Chad WolakPrimary Duties: Laboratory manager, SedimentGeochemistry Lab. Research Interests: Climate reconstructionusing alkenone-derived sea-surface temperatures.Supervisor: Scott Lehman.Jan PollmannPrimary Duties: Quantification <strong>of</strong> anthropogenic and biogenicvolatile organic compounds using gas chromatographytechniques. Research Interests: Anthropogenic and biogenictrace gas sources and their measurement. Supervisor:Detlev Helmig.Christine SeiboldPrimary Duties: Environmental Chemistry LaboratoryManager. Research Interests: Long-term ecological researchchemistries. Supervisor: Tim Seastedt.Steve SeiboldPrimary Duties: Manager, Mountain Research Station.Supervisor: Bill Bowman.David TannerPrimary Duties: Instrument development, atmosphericmeasurements, field site research. Maintenance <strong>of</strong> existinginstruments. Supervisor: Detlev Helmig.Jocelyn TurnbullPrimary Duties: Management <strong>of</strong> Laboratory for AMSJ. P. Steffensen (<strong>University</strong> <strong>of</strong>Copenhagen) and Bruce Vaughn(<strong>INSTAAR</strong>) inspect the ice core drill ontop <strong>of</strong> Flade Isblink, a small ice cap at81°N in NE Greenland, summer 2<strong>00</strong>6.This collaborative project with theNiels Bohr Institute at the <strong>University</strong> <strong>of</strong>Copenhagen tested new drilling fluidsfor use in the upcoming IPY-NEEMdeep drilling, as well as obtaining anice record to see if this small isolatedice cap survived the Holocene climaticoptimum. Photo: Simon Sheldon(<strong>University</strong> <strong>of</strong> Copenhagen).PEOPLE | 53
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