Current INSTAAR Support Personnel
Browse by scrolling or choose
from the list below:
Spring 2005 | Fall 2004 | Spring 2004 | Fall 2003 | Spring 2003 | Fall 2002 |Spring 2002 | Fall 2001 |Spring 2001 | Fall 2000 | Spring 2000
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A group of INSTAAR Administrative and Classified
Staff, 2003. |
Kathryn Clegg
Accounting Technician III, provides grants and
contract management.
Mary Fentress
Accounting Technician III, provides grants and
contract management.
Sedrick Frazier
Accounting Technician III, provides grants and
contract management.
Jenifer Hall-Bowman
Administrative Assistant II, provides assistance for Journal and Information
Center.
Julie Hughes
Chief Financial Officer, acts as main financial
officer for the institute and its faculty.
Martha LaForge
Administrative Assistant I, provides administrative support for the Institute.
Wesley Mendez
Accounting Technician III, provides grants and
contract management.
Vicky Nelson
Assistant to Director, provides administrative support
to the Director of the Institute, the Chief Financial Officer, Institute
Committees, and Institute Members.
Wendy (Freeman) Roth
Sediment Lab Coordinator.
James Syvitski
Director.
David Lubinski
Webmaster (part time).
Chad Stoffel
System/Network Administrator (full
time)
Larry Bowlds
Managing editor of INSTAAR's interdisciplinary
journal: Arctic, Antarctic, and Alpine Research (AAAR). Journal
web page
Shelly Sommer
Manager of INSTAAR's Information Center. Information
Center web page
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Chris Jenkins
PhD, Cambridge, UK, Personal
Web Page
![]()
![]() |
A group of INSTAAR Professional Scientists
and Research Support Personnel, 2003. |
Todd Ackerman
Primary Duties: LTER data and information
management. Research
Interests: Data management and information technology. Supervisor: Tim Seastedt.
Henry Adams
Primary Duties: Tree-ring sample collection, preparation, dating, measurement,
and quality-control analysis. Research
Interests: Dendroecology, effects of climate change on forests, tree
ecophysiology. Supervisor:
Connie Woodhouse.
Kathy Anderson
Primary Duties: Paleoclimatological
studies on a continental scale in North America, using pollen, plant
macrofossils,
and modern vegetation to look at past and future climate and vegetation
changes. Supervisor: Connie Woodhouse
Vera Balaeva
Primary Duties: Research
Interests: Supervisor:
Mark Dyurgerov.
Florence Bocquet
Primary Duties: Assistant laboratory
manager of the Atmospheric Research Laboratory. Development, testing
and
application of analytical tools for field measurements. Research
Interests:
Arctic/Antarctic snow-atmosphere gas exchange. Supervisor: Detlev Helmig.
Kurt Chowanski
Primary Duties: Maintaining and
operating instruments measuring Total Disolved Nitrogen and Carbon. Research
Interests: Dissolved Organic Matter. Supervisor:
Mark Williams.
Valerie Claymore
Primary Duties: Operating and maintaining mass spectometers, analyzing
air samples for stable isotopes in collaboration with NOAA. Research
Interests:
Carbon cycling through all systems. Supervisor: Bruce Vaughn.
Stephen DeVogel
Primary Duties: Laboratory manager,
Amino Acid Lab. Supervisor: Gifford Miller.
Mark Dreier
Primary Duties: Assistant laboratory
manager in Stable Isotope Laboratory. Provide technical expertise with
the hardware, develop new systems, maintain old systems,and rebuild mass
spectrometers and vacuum pumps. Supervisor: Bruce Vaughn.
Sylvia Englund
Primary Duties: Isotopic analysis in greenhouse gases. Research
Interests: Stable isotopes
in atmospheric carbon dioxide and methane. Changes in biogeochemical
cycles caused by invasive species. Supervisor: Bruce
Vaughn.
Greg Estep
Primary Duties: Operating and maintaining mass spectrometers for oxygen and Deuterium isotopes in water samples primarily from arctic ice cores. Research
Interests: Ice core paleoclimatology and its implications for global climate
change. Supervisor: Bruce Vaughn.
Jacques Hueber
Primary Duties: Development of instrumentation for atmospheric
measurements. Maintenance of existing instruments. Supervisor:
Detlev Helmig.
Eric Hutton
Primary Duties: maintain and develop
numerical models that predict the spatial and temporal distribution
of
marine sediments. Research
Interests: sediment transport, computational
fluid dynamics, and geophysics. Supervisor: Scott Peckham.
Chris Jaros
Primary Duties: . Research
Interests:
. Supervisor:
Diane McKnight.
Albert Kettner
Primary Duties: Develop
numerical code of hydrological process model HYDROTREND, develop and
maintain
web-based GIS applications, collect paleo-climate data for scenario modeling
(Geo clutter project). Research
Interests: Programming and GIS applied
to Earth science issues. Supervisor: James Syvitski. Project
Web Page | Personal
Web Page
Richard Kraemer
Primary Duties: Stable isotopes in atmospheric methane. Research
Interests: Stable isotopes in atmospheric methane and the biological
sources. Supervisor: James White.
Mark Losleben
Primary Duties: Long term climatic
database management, atmospheric and precipitation measurements. Research
Interests: long term climatic trends and related processes effecting
Niwot Ridge. Supervisor: Bill Bowman.
Jeff Lukas
Primary Duties: Tree-ring sample collection,
dating, measuring, and data analysis. Research
Interests: Climate
variability
in the interior West and its effects on human activities and ecosystems. Supervisor: Connie Woodhouse.
David Mixon
Primary Duties: Develop terrain analysis
techniques to calculate and visualize long-term coastal sedimentation
trends using existing numerical models. Research
Interests: Application
of geographic information systems (GIS) to problems relating to erosion
and sediment movement. Specifically: sedimentation in man-made reservoirs,
post-wildfire erosion processes, and the effects of climate and land-use
change on erosion and sedimentation. Supervisor: James Syvitski.
Sean Pack
Primary Duties: Stable isotope techniques, design and
development of instrumentation, paleoclimatology. Research Interests:
Designing, building and maintaining instrumentation for stable isotopes.
Application of stable isotopes in paleoclimatology and archaeology.
Supervisor:
Bruce Vaughn.
Eric Parrish
Primary Duties: Create
graphics and GIS based products, Information and image management, Scientific
illustration, and support. Research
Interests: Scientific illustration,
ArcGIS, Remote Sensing and graphic software applications. Supervisor:
E. James Dixon.
Jan Pollmann
Primary Duties: Quantification of anthropogenic and biogenic volatile organic compounds using gas chromatography techniques . Research Interests: Anthropogenic and biogenic trace gas sources and their measurement. Supervisor: Detlev Helmig.
Christine Seibold
Primary Duties: Environmental
Chemistry Laboratory Manager. Research
Interests: Long-term ecological
research chemistries. Supervisor: Tim Seastedt. Personal
Web Page
Steve Seibold
Primary Duties: Manager Mountain
Research Station. Supervisor: Bill Bowman.
Jocelyn Turnbull
Primary Duties: Manages Laboratory
for AMS Radiocarbon Preparation and Research which provides radiocarbon
dating services to the NSF-ESH community as well as in house research. Research
Interests: improved radiocarbon dating techniques. Supervisor:
Scott Lehman. Lab
Web Page
Joanne Turner
Primary Duties: Geoarchaeological
assistant. Research Interests: Earliest peopling of the Americas and
sources
of raw materials for stone tools. Supervisor: James Syvitski.
Bruce Vaughn
Primary Duties: Oversees the operation
of the Stable Isotope Lab that performs isotopic analyses on atmospheric
CO2, CH4, polar ice cores, water, and organic materials. The facility
is comprised of several labs, and houses multiple prep systems, off
line
extraction systems, computing facilities, and six mass spectrometers. Research
Interests: collaborative isotopic studies in ice cores, glaciers,
atmospheric gases, and global change in general. Supervisor: Jim White. Lab Web Page
Kris White
Primary Duties: Research assistant
providing support to Townsend and White for the Carbon, Climate, and
Society
Initiative IGERT Program. Supervisor: Alan Townsend.
Chad Wolak
Primary Duties: Laboratory manager,
Sediment Geochemistry Lab. Research
Interests: Climate reconstruction
using alkenone-derived sea-surface temperatures. Supervisor: Scott Lehman.
![]()
![]() |
A group of INSTAAR Administrative and
Classified Staff, 2003. |
Kathryn Clegg
Accounting Technician III, provides grants and contract management.
Mary Fentress
Accounting Technician III, provides grants and contract management.
Sedrick Frazier
Accounting Technician III, provides grants and contract management.
Jenifer Hall-Bowman
Administrative Assistant II, provides assistance for Journal and Information
Center.
Julie Hughes
Chief Financial Officer, acts as main financial officer for the
institute and its faculty.
Martha LaForge
Administrative Assistant I, provides administrative support for the Institute.
Wesley Mendez
Accounting Technician III, provides grants and contract management.
Vicky Nelson
Assistant to Director, provides administrative support to the Director
of the Institute, the Chief Financial Officer, Institute Committees,
and Institute Members.
Wendy (Freeman) Roth
Sediment Lab Coordinator.
James Syvitski
Director.
David Lubinski
Webmaster (10-15% time).
Chad Stoffel
System/Network Administrator (full time)
Connie Oehring
Managing editor of INSTAAR's interdisciplinary journal: Arctic,
Antarctic, and Alpine Research (AAAR). Journal
web page
Shelly Sommer
Manager of INSTAAR's Information Center. Information
Center web page
![]()
Chris Jenkins
PhD, Cambridge, UK, Personal
Web Page
![]()
![]() |
A group of INSTAAR Professional Scientists
and Research Support Personnel, 2003. |
Todd Ackerman
Primary duties: LTER data and information management. Research
interests: Data management and information technology. Supervisor:
Tim Seastedt.
Kathy Anderson
Primary duties: Paleoclimatological studies on a continental
scale in North America, using pollen, plant macrofossils, and modern
vegetation to look at past and future climate and vegetation changes.
Supervisor: Jonathan Overpeck.
Florence Bocquet
Primary duties: Assistant laboratory manager of the Atmospheric
Research Laboratory. Development, testing and application of analytical
tools for field measurements. Research interests: Arctic/Antarctic
snow-atmosphere gas exchange. Supervisor: Detlev Helmig.
Kurt Chowanski
Primary duties: Maintaining and operating instruments measuring
Total Disolved Nitrogen and Carbon. Research interests - Dissolved
Organic Matter. Supervisor: Mark Williams.
Valerie Claymore
Primary duties: Operating and maintaining mass spectometers,
analyzing air samples for stable isotopes in collaboration with NOAA.
Research interests: Carbon cycling through all systems. Supervisor:
Bruce Vaughn.
Stephen DeVogel
Primary Duties: Laboratory manager, Amino Acid Lab. Research Interests:
Supervisor: Gifford Miller.
Mark Dreier
Primary Duties: Assistant laboratory manager in Stable Isotope
Laboratory. Provide technical expertise with the hardware, develop
new systems, maintain old systems,and rebuild mass spectrometers
and vacuum pumps. Supervisor: Bruce Vaughn.
Greg Estep
Primary duties: . Supervisor: Bruce Vaughn.
Jacques Hueber
Primary duties: . Supervisor: Detlev Helmig.
Eric Hutton
Primary duties: maintain and develop numerical models that predict
the spatial and temporal distribution of marine sediments. Research
interests: sediment transport, computational fluid dynamics, and
geophysics. Supervisor: Scott Peckham.
Chris Jaros
Primary duties: . Research interests: . Supervisor: Diane McKnight.
Albert Kettner
Primary duties: Develop numerical code of hydrological process
model HYDROTREND, develop and maintain web-based GIS applications,
collect paleo-climate data for scenario modeling (Geo clutter project).
Research interests: Programming and GIS applied to Earth science
issues. Supervisor: James Syvitski. Project
Web Page | Personal
Web Page
Meredith Knauf
Primary duties: . Research interests: . Supervisor: Mark Williams.
Richard Kraemer
Primary duties: . Research interests: . Supervisor: James White.
Julia Larson
Primary duties: . Research interests: . Supervisor: Tim Seastedt.
Mark Losleben
Primary duties: Long term climatic database management, atmospheric
and precipitation measurements. Research interests: long term climatic
trends and related processes effecting Niwot Ridge. Supervisor: Bill
Bowman.
Jeff Lukas
Primary Duties: Tree-ring sample collection, dating, measuring, and data analysis.
Research interests: Climate variability in the interior West and its effects
on human activities and ecosystems. Supervisor: Connie Woodhouse.
David Mixon
Primary duties: Develop terrain analysis techniques to calculate
and visualize long-term coastal sedimentation trends using existing
numerical models. Research interests: Application of geographic information
systems (GIS) to problems relating to erosion and sediment movement.
Specifically: sedimentation in man-made reservoirs, post-wildfire
erosion processes, and the effects of climate and land-use change
on erosion and sedimentation. Supervisor: James Syvitski.
Sean Pack
Primary duties: . Supervisor: Bruce Vaughn.
Eric Parrish
Primary duties: Create graphics and GIS based products,
Information and image management, Scientific illustration, and support.
Research interests: Scientific illustration, ArcGIS, Remote Sensing
and graphic software applications. Supervisor: E. James Dixon.
Jan Pollmann
Primary duties: . Supervisor: Detlev Helmig
Christine Seibold
Primary duties: Environmental Chemistry Laboratory Manager. Research
interests: Long-term ecological research chemistries. Supervisor:
Tim Seastedt. Personal
Web Page
Steve Seibold
Primary duties: Manager Mountain Research Station. Supervisor:
Bill Bowman.
Jocelyn Turnbull
Primary duties: Manages Laboratory for AMS Radiocarbon Preparation
and Research which provides radiocarbon dating services to the NSF-ESH
community as well as in house research. Research interests: improved
radiocarbon dating techniques. Supervisor: Scott Lehman. Lab
Web Page
Joanne Turner
Primary duties: Geoarchaeological assistant. Research Interests: Earliest peopling
of the Americas and sources of raw materials for stone tools. Supervisor:
James Syvitski.
Bruce Vaughn
Primary duties: Oversees the operation of the Stable Isotope
Lab that performs isotopic analyses on atmospheric CO2, CH4, polar
ice cores, water, and organic materials. The facility is comprised
of several labs, and houses multiple prep systems, off line extraction
systems, computing facilities, and six mass spectrometers. Research
interests: collaborative isotopic studies in ice cores, glaciers,
atmospheric gases, and global change in general. Supervisor: Jim
White. Lab
Web Page
Kris White
Primary duties: Research assistant providing support to
Townsend and White for the Carbon, Climate, and Society Initiative
IGERT Program. Supervisor: Alan Townsend.
Chad Wolak
Primary duties: Laboratory manager, Sediment Geochemistry Lab.
Research interests: Climate reconstruction using alkenone-derived
sea-surface temperatures. Supervisor: Scott Lehman.
Melanie Zauscher
Primary duties: . Supervisor: Bruce Vaughn.
![]()
![]() |
A group of INSTAAR Administrative and Classified Staff, 2003. |
Kathryn Clegg
Accounting Technician III, provides grants and contract management.
Mary Fentress
Accounting Technician III, provides grants and contract management.
Sedrick Frazier
Accounting Technician III, provides grants and contract management.
Jenifer Hall-Bowman
Administrative Assistant II, provides assistance for Journal and Information Center.
Julie Hughes
Chief Financial Officer, acts as main financial officer for the institute and its faculty.
Martha LaForge
Administrative Assistant I, provides administrative support for the Institute.
Wesley Mendez
Accounting Technician III, provides grants and contract management.
Vicky Nelson
Assistant to Director, provides administrative support to the Director of the Institute, the Chief Financial Officer, Institute Committees, and Institute Members.
Wendy (Freeman) Roth
Sediment Lab Coordinator.
James Syvitski
Director.
David Lubinski
Webmaster (10-15% time).
Chad Stoffel
System/Network Administrator (full time)
Connie Oehring
Managing editor of INSTAAR's interdisciplinary journal: Arctic, Antarctic, and Alpine Research (AAAR). Journal web page
Shelly Sommer
Manager of INSTAAR's Information Center. Information Center web page
![]()
Chris Jenkins
PhD, Cambridge, UK, Personal Web Page
![]()
![]() |
A group of INSTAAR Professional Scientists and Research Support Personnel, 2003. |
Todd Ackerman
Primary duties: LTER data and information management. Research interests: Data management and information technology. Supervisor: Tim Seastedt.
Kathy Anderson
Primary duties: Paleoclimatological studies on a continental scale in North America, using pollen, plant macrofossils, and modern vegetation to look at past and future climate and vegetation changes. Supervisor: Jonathan Overpeck.
Jon Arnarson
Primary duties: . Research interests: . Supervisor: Wendy Roth.
Florence Bocquet
Primary duties: Assistant laboratory manager of the Atmospheric Research Laboratory. Development, testing and application of analytical tools for field measurements. Research interests: Arctic/Antarctic snow-atmosphere gas exchange. Supervisor: Detlev Helmig.
Kurt Chowanski
Primary duties: Maintaining and operating instruments measuring Total Disolved Nitrogen and Carbon. Research interests - Dissolved Organic Matter. Supervisor: Mark Williams.
Valerie Claymore
Primary duties: Operating and maintaining mass spectometers, analyzing air samples for stable isotopes in collaboration with NOAA. Research interests: Carbon cycling through all systems. Supervisor: Bruce Vaughn.
Stephen DeVogel
Primary Duties: Laboratory manager, Amino Acid Lab. Research Interests: Supervisor: Gifford Miller.
Mark Dreier
Primary Duties: Assistant laboratory manager in Stable Isotope Laboratory. Provide technical expertise with the hardware, develop new systems, maintain old systems,and rebuild mass spectrometers and vacuum pumps. Supervisor: Bruce Vaughn.
Charles Hart
Primary duties: Data collection, information management for the Amino Acid Geochronology Laboratory, Center for Geochronological Research. Supervisor: Giff Miller.
Eric Hutton
Primary duties: maintain and develop numerical models that predict the spatial and temporal distribution of marine sediments. Research interests: sediment transport, computational fluid dynamics, and geophysics. Supervisor: Scott Peckham.
Chris Jaros
Primary duties: . Research interests: . Supervisor: Diane McKnight.
Albert Kettner
Primary duties: Develop numerical code of hydrological process model HYDROTREND, develop and maintain web-based GIS applications, collect paleo-climate data for scenario modeling (Geo clutter project). Research interests: Programming and GIS applied to Earth science issues. Supervisor: James Syvitski. Project Web Page | Personal Web Page
Julia Larson
Primary duties: . Research interests: . Supervisor: Tim Seastedt.
Mark Losleben
Primary duties: Long term climatic database management, atmospheric and precipitation measurements. Research interests: long term climatic trends and related processes effecting Niwot Ridge. Supervisor: Bill Bowman.
Jeff Lukas
Primary Duties: Tree-ring sample collection, dating, measuring, and data analysis. Research interests: Climate variability in the interior West and its effects on human activities and ecosystems. Supervisor: Connie Woodhouse.
David Mixon
Primary duties: Develop terrain analysis techniques to calculate and visualize long-term coastal sedimentation trends using existing numerical models. Research interests: Application of geographic information systems (GIS) to problems relating to erosion and sediment movement. Specifically: sedimentation in man-made reservoirs, post-wildfire erosion processes, and the effects of climate and land-use change on erosion and sedimentation. Supervisor: James Syvitski.
Curtis Nepstad-Thornberry
Primary Duties: Tree-ring preparation, dating, measuring, and chronology compilation. Research interests: Settlement Ecology, New World Paleobotany, Geographic Information Systems,Quantitative Methods. Supervisor: Connie Woodhouse.
Andy O'Reilly
Primary duties: LTER Field Technician. Research interests: Snow science, Mountain Climatology, Structural Geology, Glaciology, DC Power Systems. Supervisor: Tim Seastedt.
Eric Parrish
Primary duties: Create graphics and GIS based products, Information and image management, Scientific illustration, and support. Research interests: Scientific illustration, ArcGIS, Remote Sensing and graphic software applications. Supervisor: E. James Dixon.
Christine Seibold
Primary duties: Environmental Chemistry Laboratory Manager. Research interests: Long-term ecological research chemistries. Supervisor: Tim Seastedt. Personal Web Page
Steve Seibold
Primary duties: Manager Mountain Research Station. Supervisor: Bill Bowman.
Jocelyn Turnbull
Primary duties: Manages Laboratory for AMS Radiocarbon Preparation and Research which provides radiocarbon dating services to the NSF-ESH community as well as in house research. Research interests: improved radiocarbon dating techniques. Supervisor: Scott Lehman. Lab Web Page
Joanne Turner
Primary duties: Geoarchaeological assistant. Research Interests: Earliest peopling of the Americas and sources of raw materials for stone tools. Supervisor: James Syvitski.
Bruce Vaughn
Primary duties: Oversees the operation of the Stable Isotope Lab that performs isotopic analyses on atmospheric CO2, CH4, polar ice cores, water, and organic materials. The facility is comprised of several labs, and houses multiple prep systems, off line extraction systems, computing facilities, and six mass spectrometers. Research interests: collaborative isotopic studies in ice cores, glaciers, atmospheric gases, and global change in general. Supervisor: Jim White. Lab Web Page
Kris White
Primary duties: Research assistant providing support to Townsend and White for the Carbon, Climate, and Society Initiative IGERT Program. Supervisor: Alan Townsend.
Chad Wolak
Primary duties: Laboratory manager, Sediment Geochemistry Lab. Research interests: Climate reconstruction using alkenone-derived sea-surface temperatures. Supervisor: Scott Lehman.
Melanie Zauscher
Primary duties: . Supervisor: Bruce Vaughn.
![]()
![]() |
A group of INSTAAR Administrative and
Classified Staff, 2003. |
Kathryn Clegg
Accounting Technician III, provides grants and contract management.
Mary Fentress
Accounting Technician III, provides grants and contract management.
Sedrick Frazier
Accounting Technician III, provides grants and contract management.
Jenifer Hall-Bowman
Administrative Assistant II, provides assistance for Journal and Information
Center.
Julie Hughes
Chief Financial Officer, acts as main financial officer for the
institute and its faculty.
Martha LaForge
Administrative Assistant I, provides administrative support for the Institute.
Wesley Mendez
Accounting Technician III, provides grants and contract management.
Vicky Nelson
Assistant to Director, provides administrative support to the Director
of the Institute, the Chief Financial Officer, Institute Committees,
and Institute Members.
Wendy (Freeman) Roth
Sediment Lab Coordinator.
James Syvitski
Director.
David Lubinski
Webmaster (10-15% time).
Chad Stoffel
System/Network Administrator (full time)
Connie Oehring
Managing editor of INSTAAR's interdisciplinary journal: Arctic,
Antarctic, and Alpine Research (AAAR). Journal
web page
Shelly Sommer
Manager of INSTAAR's Information Center. Information
Center web page
![]()
Chris Jenkins
PhD, Cambridge, UK, Personal
Web Page
![]()
![]() |
A group of INSTAAR Professional Scientists
and Research Support Personnel, 2003. |
Todd Ackerman
Primary duties: LTER data and information management. Research
interests: Data management and information technology. Supervisor:
Tim Seastedt.
Kathy Anderson
Primary duties: Paleoclimatological studies on a continental scale
in North America, using pollen, plant macrofossils, and modern vegetation
to look at past and future climate and vegetation changes. Supervisor:
Jonathan Overpeck.
Heather Bechtold
Primary duties: Lab and Field Manager. Research interests:
Plant-Soil interactions, competitive stragety, and community dynamics.
Supervisor: Tim Seastedt and Bill Bowman.
Florence Bocquet
Primary duties: Assistant laboratory manager of the Atmospheric
Research Laboratory. Development, testing and application of analytical
tools for field measurements. Research interests: Arctic/Antarctic
snow-atmosphere gas exchange. Supervisor: Detlev Helmig.
Kurt Chowanski
Primary duties: Maintaining and operating instruments measuring
Total Disolved Nitrogen and Carbon. Research interests - Dissolved
Organic Matter. Supervisor: Mark Williams.
Briana Christine Constance
Primary Duties: Manage Terrestrial Biogeochemistry lab. Research
Interests: Soil biogeochemistry. Supervisor: Alan Townsend.
Stephen DeVogel
Primary Duties: Laboratory manager, Amino Acid Lab. Research Interests:
Supervisor: Gifford Miller.
Mark Dreier
Primary Duties: Assistant laboratory manager in Stable Isotope
Laboratory. Provide technical expertise with the hardware, develop
new systems, maintain old systems,and rebuild mass spectrometers and
vacuum pumps. Supervisor: Bruce Vaughn.
Charles Hart
Primary duties: Data collection, information management for the
Amino Acid Geochronology Laboratory, Center for Geochronological Research.
Supervisor: Giff Miller.
Eric Hutton
Primary duties: maintain and develop numerical models that predict
the spatial and temporal distribution of marine sediments. Research
interests: sediment transport, computational fluid dynamics, and geophysics.
Supervisor: Scott Peckham.
Chris Jaros
Primary duties: . Research interests: . Supervisor: Diane McKnight.
Albert Kettner
Primary duties: Develop numerical code of hydrological process
model HYDROTREND, develop and maintain web-based GIS applications,
collect paleo-climate data for scenario modeling (Geo clutter project).
Research interests: Programming and GIS applied to Earth science issues.
Supervisor: James Syvitski. Project
Web Page | Personal
Web Page
Mark Losleben
Primary duties: Long term climatic database management, atmospheric
and precipitation measurements. Research interests: long term climatic
trends and related processes effecting Niwot Ridge. Supervisor: Bill
Bowman.
Jeff Lukas
Primary Duties: Tree-ring sample collection, dating, measuring, and data analysis.
Research interests: Climate variability in the interior West and its effects
on human activities and ecosystems. Supervisor: Connie Woodhouse.
David Mixon
Primary duties: Develop terrain analysis techniques to calculate
and visualize long-term coastal sedimentation trends using existing
numerical models. Research interests: Application of geographic information
systems (GIS) to problems relating to erosion and sediment movement.
Specifically: sedimentation in man-made reservoirs, post-wildfire erosion
processes, and the effects of climate and land-use change on erosion
and sedimentation. Supervisor: James Syvitski.
Valerie Morris
Primary duties: Operating and maintaining mass spectometers,
analyzing air samples for stable isotopes in collaboration with NOAA.
Research interests: Carbon cycling through all systems. Supervisor:
Bruce Vaughn.
Curtis Nepstad-Thornberry
Primary Duties: Tree-ring preparation, dating, measuring,
and chronology compilation. Research interests: Settlement Ecology,
New World Paleobotany, Geographic Information Systems,Quantitative
Methods. Supervisor: Connie Woodhouse.
Andy O'Reilly
Primary duties: LTER Field Technician. Research interests: Snow
science, Mountain Climatology, Structural Geology, Glaciology, DC Power
Systems. Supervisor: Tim Seastedt.
Eric Parrish
Primary duties: Create graphics and GIS based products, Information
and image management, Scientific illustration, and support. Research
interests: Scientific illustration, ArcGIS, Remote Sensing and graphic
software applications. Supervisor: E. James Dixon.
Christine Seibold
Primary duties: Environmental Chemistry Laboratory Manager. Research
interests: Long-term ecological research chemistries. Supervisor: Tim
Seastedt. Personal
Web Page
Steve Seibold
Primary duties: Manager Mountain Research Station. Supervisor:
Bill Bowman.
Jocelyn Turnbull
Primary duties: Manages Laboratory for AMS Radiocarbon Preparation
and Research which provides radiocarbon dating services to the NSF-ESH
community as well as in house research. Research interests: improved
radiocarbon dating techniques. Supervisor: Scott Lehman. Lab
Web Page
Joanne Turner
Primary duties: Geoarchaeological assistant. Research Interests: Earliest
peopling of the Americas and sources of raw materials for stone tools.
Supervisor: James Syvitski.
Erin van Matre
Primary duties: Research interests: Supervisor: Diane McKnight.
Bruce Vaughn
Primary duties: Oversees the operation of the Stable Isotope Lab
that performs isotopic analyses on atmospheric CO2, CH4, polar ice
cores, water, and organic materials. The facility is comprised of several
labs, and houses multiple prep systems, off line extraction systems,
computing facilities, and six mass spectrometers. Research interests:
collaborative isotopic studies in ice cores, glaciers, atmospheric
gases, and global change in general. Supervisor: Jim White. Lab
Web Page
Kris White
Primary duties: Research assistant providing support to Townsend
and White for the Carbon, Climate, and Society Initiative IGERT Program.
Supervisor: Alan Townsend.
Chad Wolak
Primary duties: Laboratory manager, Sediment Geochemistry Lab.
Research interests: Climate reconstruction using alkenone-derived sea-surface
temperatures. Supervisor: Scott Lehman.
Melanie Zauscher
Primary duties: . Supervisor: Bruce Vaughn.
![]()
![]() |
|
A group of INSTAAR Administrative and
Classified Staff, 2003.
|
Kathryn Clegg
Accounting Technician III, provides grants and contract management.
DeLynna Dari
Administrative Assistant II, provides administrative support for the Institute.
Mary Fentress
Accounting Technician III, provides grants and contract management.
Sedrick Frazier
Accounting Technician III, provides grants and contract management.
Jenifer Hall-Bowman
Administrative Assistant II, Supervisor: Connie Oehring, Martha Andrews.
Julie Hughes
Chief Financial Officer, acts as main financial officer for the
institute and its faculty.
Wesley Mendez
Accounting Technician III, provides grants and contract management.
Vicky Nelson
Assistant to Director, provides administrative support to the Director
of the Institute, the Chief Financial Officer, Institute Committees,
and Institute Members.
Wendy (Freeman) Roth
Sediment Lab Coordinator.
James Syvitski
Director.
David Lubinski
Webmaster (10-15% time).
Chad Stoffel
System/Network Administrator (full time)
Connie Oehring
Managing editor of INSTAAR's interdisciplinary journal: Arctic,
Antarctic, and Alpine Research (AAAR). Journal
web page
![]()
Chris Jenkins
PhD, Cambridge, UK, Personal
Web Page
![]()
![]() |
|
A group of INSTAAR Professional Scientists
and Research Support Personnel, 2003.
|
Todd Ackerman
Primary duties: LTER data and information management. Research
interests: Data management and information technology. Supervisor:
Tim Seastedt.
Kathy Anderson
Primary duties: Paleoclimatological studies on a continental
scale in North America, using pollen, plant macrofossils, and modern
vegetation to look at past and future climate and vegetation changes.
Supervisor: Jonathan Overpeck.
Heather Bechtold
Primary duties: Lab and Field Manager. Research interests:
Plant-Soil interactions, competitive stragety, and community dynamics.
Supervisor: Tim Seastedt and Bill Bowman.
Florence Bocquet
Primary duties: Assistant laboratory manager of the Atmospheric
Research Laboratory. Development, testing and application of analytical
tools for field measurements. Research interests: Arctic/Antarctic
snow-atmosphere gas exchange. Supervisor: Detlev Helmig.
Kurt Chowanski
Primary duties: Maintaining and operating instruments measuring
Total Disolved Nitrogen and Carbon. Research interests - Dissolved
Organic Matter. Supervisor: Mark Williams.
Briana Christine Constance
Primary Duties: Manage Terrestrial Biogeochemistry lab. Research
Interests: Soil biogeochemistry. Supervisor: Alan Townsend.
Andrew Crotwell
Primary Duties: Laboratory manager, Sediment Geochemistry Lab.
Research Interests: Climate reconstruction using alkenone-derived
sea-surface temperatures. Supervisor: Scott Lehman.
Mark Dreier
Primary Duties: Assistant laboratory manager in Stable Isotope
Laboratory. Provide technical expertise with the hardware, develop
new systems, maintain old systems,and rebuild mass spectrometers
and vacuum pumps. Supervisor: Bruce Vaughn.
Charles Hart
Primary duties: Data collection, information management for the
Amino Acid Geochronology Laboratory, Center for Geochronological
Research. Supervisor: Giff Miller.
Eric Hutton
Primary duties: maintain and develop numerical models that predict
the spatial and temporal distribution of marine sediments. Research
interests: sediment transport, computational fluid dynamics, and
geophysics. Supervisor: Scott Peckham.
Albert Kettner
Primary duties: Develop numerical code of hydrological process
model HYDROTREND, develop and maintain web-based GIS applications,
collect paleo-climate data for scenario modeling (Geo clutter project).
Research interests: Programming and GIS applied to Earth science
issues. Supervisor: James Syvitski. Project
Web Page | Personal
Web Page
Mark Losleben
Primary duties: Long term climatic database management, atmospheric
and precipitation measurements. Research interests: long term climatic
trends and related processes effecting Niwot Ridge. Supervisor: Bill
Bowman.
Jeff Lukas
Primary Duties: Tree-ring sample collection, dating, measuring, and data analysis.
Research interests: Climate variability in the interior West and its effects
on human activities and ecosystems. Supervisor: Connie Woodhouse.
David Mixon
Primary duties: Develop terrain analysis techniques to calculate
and visualize long-term coastal sedimentation trends using existing
numerical models. Research interests: Application of geographic information
systems (GIS) to problems relating to erosion and sediment movement.
Specifically: sedimentation in man-made reservoirs, post-wildfire
erosion processes, and the effects of climate and land-use change
on erosion and sedimentation. Supervisor: James Syvitski.
Valerie Morris
Primary duties: Operating and maintaining mass spectometers,
analyzing air samples for stable isotopes in collaboration with NOAA.
Research interests: Carbon cycling through all systems. Supervisor:
Bruce Vaughn.
Curtis Nepstad-Thornberry
Primary Duties: Tree-ring preparation, dating, measuring,
and chronology compilation. Research interests: Settlement Ecology,
New World Paleobotany, Geographic Information Systems,Quantitative
Methods. Supervisor: Connie Woodhouse.
Andy O'Reilly
Primary duties: LTER Field Technician. Research interests: Snow
science, Mountain Climatology, Structural Geology, Glaciology, DC
Power Systems. Supervisor: Tim Seastedt.
Eric Parrish
Primary duties: Create graphics and GIS based products,
Information and image management, Scientific illustration, and support.
Research interests: Scientific illustration, ArcGIS, Remote Sensing
and graphic software applications. Supervisor: E. James Dixon.
Christine Seibold
Primary duties: Environmental Chemistry Laboratory Manager. Research
interests: Long-term ecological research chemistries. Supervisor:
Tim Seastedt. Personal
Web Page
Steve Seibold
Primary duties: Manager Mountain Research Station. Supervisor:
Bill Bowman.
Jocelyn Turnbull
Primary duties: Manages Laboratory for AMS Radiocarbon Preparation
and Research which provides radiocarbon dating services to the NSF-ESH
community as well as in house research. Research interests: improved
radiocarbon dating techniques. Supervisor: Scott Lehman. Lab
Web Page
Joanne Turner
Primary duties: Geoarchaeological assistant. Research Interests:
Earliest peopling of the Americas and sources of raw materials
for stone tools. Supervisor: James Syvitski.
Erin van Matre
Primary duties: Research interests: Supervisor: Diane McKnight.
Bruce Vaughn
Primary duties: Oversees the operation of the Stable Isotope
Lab that performs isotopic analyses on atmospheric CO2, CH4, polar
ice cores, water, and organic materials. The facility is comprised
of several labs, and houses multiple prep systems, off line extraction
systems, computing facilities, and six mass spectrometers. Research
interests: collaborative isotopic studies in ice cores, glaciers,
atmospheric gases, and global change in general. Supervisor: Jim
White. Lab
Web Page
Megan Walsh
Primary duties: Research Interests: Supervisor: Tim Seastedt.
Nancy Weiner
Primary duties: micropaleontology laboratory technician, supervises
students and conducts foraminiferal analysis. Research Interests:
micropaleontology. Supervisor: Anne Jennings.
Kris White
Primary duties: Research assistant providing support to
Townsend and White for the Carbon, Climate, and Society Initiative
IGERT Program. Supervisor: Alan Townsend.
Chad Wolak
Primary duties: Laboratory manager, Sediment Geochemistry Lab.
Research interests: Climate reconstruction using alkenone-derived
sea-surface temperatures. Supervisor: Scott Lehman.
Chi Yang
Primary duties: Data Manager for McMurdo Dry Valleys Long-Term
Ecological Research (MCMLTER). Supervisor: Diane McKnight.(* will
soon start a graduate student position).
![]()
![]() |
|
A group of INSTAAR Administrative Staff,
2001.
|
Kathryn Clegg
Accounting Technician III, provides grants and contract management.
DeLynna Dari
Administrative Assistant II, provides administrative support for the Institute.
Mary Fentress
Accounting Technician III, provides grants and contract management.
Sedrick Frazier
Accounting Technician III, provides grants and contract management.
Hall-Bowman, Jenifer
Administrative Assistant II, Supervisor: Connie Oehring, Martha Andrews.
Julie Hughes
Chief Financial Officer, acts as main financial officer for the
institute and its faculty.
Wesley Mendez
Accounting Technician III, provides grants and contract management.
Vicky Nelson
Assistant to Director, provides administrative support to the Director
of the Institute, the Chief Financial Officer, Institute Committees,
and Institute Members.
James Syvitski
Director.
David Lubinski
Webmaster (10-15% time).
Chad Stoffel
System/Network Administrator (full time)
Connie Oehring
Managing editor of INSTAAR's interdisciplinary journal: Arctic,
Antarctic, and Alpine Research (AAAR). Journal
web page
![]()
Chris Jenkins
PhD, Cambridge, UK, Personal
Web Page
![]()
![]() |
|
A group of INSTAAR Research and Support
Personnel, 2001.
|
Todd Ackerman
Primary duties: LTER data and information management. Research
interests: Data management and information technology. Supervisor:
Tim Seastedt.
Kathy Anderson
Primary duties: Paleoclimatological studies on a continental scale
in North America, using pollen, plant macrofossils, and modern vegetation
to look at past and future climate and vegetation changes. Supervisor:
Jonathan Overpeck.
Heather Bechtold
Primary duties: Lab and Field Manager. Research interests:
Plant-Soil interactions, competitive stragety, and community dynamics.
Supervisor: Tim Seastedt and Bill Bowman.
Florence Bocquet
Primary duties: Assistant laboratory manager of the Atmospheric
Research Laboratory. Development, testing and application of analytical
tools for field measurements. Research interests: Arctic/Antarctic
snow-atmosphere gas exchange. Supervisor: Detlev Helmig.
Kurt Chowanski
Primary duties: Maintaining and operating instruments measuring
Total Disolved Nitrogen and Carbon. Research interests - Dissolved
Organic Matter. Supervisor: Mark Williams.
Briana Christine Constance
Primary Duties: Manage Terrestrial Biogeochemistry lab. Research
Interests: Soil biogeochemistry. Supervisor: Alan Townsend.
Andrew Crotwell
Primary Duties: Laboratory manager, Sediment Geochemistry Lab.
Research Interests: Climate reconstruction using alkenone-derived sea-surface
temperatures. Supervisor: Scott Lehman.
Mark Dreier
Primary Duties: Assistant laboratory manager in Stable Isotope
Laboratory. Provide technical expertise with the hardware, develop
new systems, maintain old systems,and rebuild mass spectrometers and
vacuum pumps. Supervisor: Bruce Vaughn.
Charles Hart
Primary duties: Data collection, information management for the
Amino Acid Geochronology Laboratory, Center for Geochronological Research.
Supervisor: Giff Miller.
Zhengjun Hu
Primary duties: Data manager/analyst and computer programmer for
the NSF Konza soil biodiversity research project. Develop a database-driven,
web-based information management system and write statistical programs
to analyze research data. Research interests: scientific computer programming,
development of information management systems and dynamic simulation
modeling in applied sciences. Supervisor: Tim Seastedt.
Eric Hutton
Primary duties: maintain and develop numerical models that predict
the spatial and temporal distribution of marine sediments. Research
interests: sediment transport, computational fluid dynamics, and geophysics.
Supervisor: Scott Peckham.
Albert Kettner
Primary duties: Develop numerical code of hydrological process
model HYDROTREND, develop and maintain web-based GIS applications,
collect paleo-climate data for scenario modeling (Geo clutter project).
Research interests: Programming and GIS applied to Earth science issues.
Supervisor: James Syvitski. Project
Web Page | Personal
Web Page
Mark Losleben
Primary duties: Long term climatic database management, atmospheric
and precipitation measurements. Research interests: long term climatic
trends and related processes effecting Niwot Ridge. Supervisor: Bill
Bowman.
Jeff Lukas
Primary Duties: Tree-ring sample collection, dating, measuring, and data analysis.
Research interests: Climate variability in the interior West and its effects
on human activities and ecosystems. Supervisor: Connie Woodhouse.
David Mixon
Primary duties: Develop terrain analysis techniques to calculate
and visualize long-term coastal sedimentation trends using existing
numerical models. Research interests: Application of geographic information
systems (GIS) to problems relating to erosion and sediment movement.
Specifically: sedimentation in man-made reservoirs, post-wildfire erosion
processes, and the effects of climate and land-use change on erosion
and sedimentation. Supervisor: James Syvitski.
Valerie Morris
Primary duties: Operating and maintaining mass spectometers,
analyzing air samples for stable isotopes in collaboration with NOAA.
Research interests: Carbon cycling through all systems. Supervisor:
Bruce Vaughn.
Curtis Nepstad-Thornberry
Primary Duties: Tree-ring preparation, dating, measuring,
and chronology compilation. Research interests: Settlement Ecology,
New World Paleobotany, Geographic Information Systems,Quantitative
Methods. Supervisor: Connie Woodhouse.
Andy O'Reilly
Primary duties: LTER Field Technician. Research interests: Snow
science, Mountain Climatology, Structural Geology, Glaciology, DC Power
Systems. Supervisor: Tim Seastedt.
Eric Parrish
Primary duties: Create graphics and GIS based products, Information
and image management, Scientific illustration, and support. Research
interests: Scientific illustration, ArcGIS, Remote Sensing and graphic
software applications. Supervisor: E. James Dixon.
Roth, Wendy (Freeman)
Primary duties: Sediment Lab Coordinator. Research interests:
Supervisor: John Andrews.
Christine Seibold
Primary duties: Environmental Chemistry Laboratory Manager. Research
interests: Long-term ecological research chemistries. Supervisor: Tim
Seastedt. Personal
Web Page
Steve Seibold
Primary duties: Manager Mountain Research Station. Supervisor:
Bill Bowman.
Jocelyn Turnbull
Primary duties: Manages Laboratory for AMS Radiocarbon Preparation
and Research which provides radiocarbon dating services to the NSF-ESH
community as well as in house research. Research interests: improved
radiocarbon dating techniques. Supervisor: Scott Lehman. Lab
Web Page
Joanne Turner
Primary duties: Geoarchaeological assistant. Research Interests: Earliest
peopling of the Americas and sources of raw materials for stone tools.
Supervisor: James Syvitski.
Erin van Matre
Primary duties: Research interests: Supervisor: Diane McKnight.
Bruce Vaughn
Primary duties: Oversees the operation of the Stable Isotope Lab
that performs isotopic analyses on atmospheric CO2, CH4, polar ice
cores, water, and organic materials. The facility is comprised of several
labs, and houses multiple prep systems, off line extraction systems,
computing facilities, and six mass spectrometers. Research interests:
collaborative isotopic studies in ice cores, glaciers, atmospheric
gases, and global change in general. Supervisor: Jim White. Lab
Web Page
Nancy Weiner
Primary duties: micropaleontology laboratory technician, supervises
students and conducts foraminiferal analysis. Research Interests: micropaleontology.
Supervisor: Anne Jennings.
Kris White
Primary duties: Research assistant providing support to Townsend
and White for the Carbon, Climate, and Society Initiative IGERT Program.
Supervisor: Alan Townsend.
Chad Wolak
Primary duties: Laboratory manager, Sediment Geochemistry Lab.
Research interests: Climate reconstruction using alkenone-derived sea-surface
temperatures. Supervisor: Scott Lehman.
Chi Yang
Primary duties: Data Manager for McMurdo Dry Valleys Long-Term
Ecological Research (MCMLTER). Supervisor: Diane McKnight.(* will soon
start a graduate student position).

Margaret Ahlbrandt, Accounting Technician III, provides grants and contract management.
Kathryn Clegg, Accounting Technician III, provides grants and contract management.
DeLynna Dari, Administrative Assistant II, provides administrative support for the Institute.
Mary Fentress, Accounting Technician III, provides grants and contract management.
Sedrick Frazier, Accounting Technician III, provides grants and contract management.
Julie Hughes, Chief Financial Officer, acts as main financial officer for the institute and its faculty.
Vicky Nelson, Assistant to Director, provides administrative support to the Director of the Institute, the Chief Financial Officer, Institute Committees, and Institute Members.
James Syvitski, Director.
David Lubinski, Webmaster (part time).
Chad Stoffel, System/Network Administrator (full time)
![]()

Todd Ackerman- Primary duties: LTER data and information management. Research interests: Data management and information technology. Supervisor: Tim Seastedt.
Kathy Anderson - Primary duties: Paleoclimatological studies on a continental scale in North America, using pollen, plant macrofossils, and modern vegetation to look at past and future climate and vegetation changes. Supervisor: Jonathan Overpeck.
Kurt Barnes - Primary duties: Research interests: Supervisor: Bruce Vaughn.
Heather Bechtold - Primary duties: . Research interests: . Supervisor: Tim Seastedt.
Gary Bolton - Supervisor: Connie Woodhouse.
Mariah Carbone - Supervisor: Tim Seastedt.
Briana Christine Constance - Primary Duties: Manage Terrestrial Biogeochemistry lab. Research Interests: Soil biogeochemistry. Supervisor: Alan Townsend.
Andrew Crotwell - Primary Duties: Laboratory manager, Sediment Geochemistry Lab. Research Interests: Climate reconstruction using alkenone-derived sea-surface temperatures. Supervisor: Scott Lehman.
Sara Jo Dickens - Primary Duties: Research Interests: Supervisor:
Mark Dreier - Primary Duties: Assistant laboratory manager in Stable Isotope Laboratory, provide technical expertise with the hardware, develop new systems, maintain old systems,and rebuild mass spectrometers and vacuum pumps. Supervisor: Bruce Vaughn.
Denise Dundon - Primary Duties: Data management and processing within G.I.S. for analysis of modern and past glacier-climate relationships. Supervisor: William Manley.
Hall-Bowman, Jenifer - Primary duties: Supervisor: Kathleen Salzberg, Martha Andrews.
Charles Hart -Primary duties: Data collection, information management for the Amino Acid Geochronology Laboratory, Center for Geochronological Research. Supervisor: Giff Miller.
Rachael Hilberman- Primary duties: . Research interests: . Supervisor: James Syvitski.
Zhengjun Hu - Supervisor: Tim Seastedt.
Eric Hutton- Primary duties: maintain and develop numerical models that predict the spatial and temporal distribution of marine sediments. Research interests: sediment transport, computational fluid dynamics, and geophysics. Supervisor : Scott Peckham.
Albert Kettner - Primary duties: Research interests: Supervisor: James Syvitski.
Mark Losleben - Primary duties: Long term climatic database management, atmospheric and precipitation measurements. Research interests: long term climatic trends and related processes effecting Niwot Ridge. Supervisor: Bill Bowman.
Jeff Lukas - Primary Duties: Tree-ring sample collection, dating, measuring, and data analysis. Research interests: Climate variability in the interior West and its effects on human activities and ecosystems. Supervisor: Connie Woodhouse.
Valerie Morris - Primary duties: Research interests: Supervisor: Bruce Vaughn.
Andy O'Reilly - Primary duties: . Research interests: . Supervisor: Tim Seastedt.
Eric Grant, Parrish - Primary duties: . Research interests: . Supervisor: E. James Dixon.
Roth, Wendy (Freeman) - Primary duties: Sediment Lab Coordinator. Research interests: Supervisor: John Andrews.
Christine Seibold - Primary duties: Environmental Chemistry Laboratory Manager. Research interests: Long-term ecological research chemistries. Supervisor: Tim Seastedt.
Steve Seibold - Primary duties: Manager Mountain Research Station. Supervisor: Bill Bowman.
Jocelyn Turnbull - Primary duties: Manages Laboratory for AMS Radiocarbon Preparation and Research which provides radiocarbon dating services to the NSF-ESH community as well as in house research. Research interests: improved radiocarbon dating techniques. Supervisor: Scott Lehman.
Joanne Turner- Primary duties: Geoarchaeological assistant. Research Interests: Earliest peopling of the Americas and sources of raw materials for stone tools. Supervisor: James Syvitski.
Bruce Vaughn - Primary duties: Oversees the operation of the Stable Isotope Lab that performs isotopic analyses on atmospheric CO2, CH4, polar ice cores, water, and organic materials. The facility is comprised of several labs, and houses multiple prep systems, off line extraction systems, computing facilities, and six mass spectrometers. Research interests: collaborative isotopic studies in ice cores, glaciers, atmospheric gases, and global change in general. Supervisor: Jim White.
Nancy Weiner - Primary duties: micropaleontology laboratory technician, supervises students and conducts foraminiferal analysis. Research Interests: micropaleontology. Supervisor: Anne Jennings.
Kevin Wheeler - Primary duties: . Research interests: . Supervisor: Diane McKnght.
Kris White - Primary duties: . Research interests: . Supervisor: Alan Townsend.
Chi Yang - Primary duties: . Research interests: Supervisor: Diane McKnght.

Margaret Ahlbrandt, Accounting Technician III, provides grants and contract management.
Kathryn Clegg, Accounting Technician III, provides grants and contract management.
DeLynna Dari, Administrative Assistant II, provides administrative support for the Institute.
Mary Fentress, Accounting Technician III, provides grants and contract management.
Sedrick Frazier, Accounting Technician III, provides grants and contract management.
Julie Hughes, Chief Financial Officer, acts as main financial officer for the institute and its faculty.
Vicky Nelson, Assistant to Director, provides administrative support to the Director of the Institute, the Chief Financial Officer, Institute Committees, and Institute Members.
James Syvitski, Director.
David Lubinski, Webmaster (part time).
Chad Stoffel, System/Network Administrator (full time)
![]()

Todd Ackerman- Primary duties: LTER data and information management. Research interests: Data management and information technology. Supervisor: Tim Seastedt.
Kathy Anderson - Primary duties: Paleoclimatological studies on a continental scale in North America, using pollen, plant macrofossils, and modern vegetation to look at past and future climate and vegetation changes. Supervisor: Jonathan Overpeck.
Nancy Auerbach - Primary duties:landscape-scale vegetation ecology statistical analysis for the Columbia River Basin. Research interests: vegetation ecology analysis using GIS and remote sensing, Arctic ecology. Supervisor: Patrick Bourgeron.
Jim Barber- Primary duties: Geographic Information System (GIS) Analyst. Research interests: prediction and modeling of ecosystem patterns using biophysical criteria. Supervisor: Patrick Bourgeron.
Tim Bardsley - Primary duties: field technician, collection of field data, maintenance of field equipment. Research interests: long-term ecological research. Supervisor: Tim Seastedt.
Gary Bolton - Supervisor: Connie Woodhouse.
Peter Brown- Primary duties: Drought reconstructions from the Central Plains region using tree-ring data. Research interests: using tree-ring data to reconstruct climate and forest dynamics. Supervisor: Connie Woodhouse.
Evan Burgess - Primary Duties: Data management and processing within G.I.S. for analysis of modern and past glacier-climate relationships. Supervisor: William Manley.
Mariah Carbone - Supervisor: Tim Seastedt.
Briana Christine Constance - Primary Duties: Manage Terrestrial Biogeochemistry lab. Research Interests: Soil biogeochemistry. Supervisor: Alan Townsend.
Travis Cornwell - Primary duties: Radiocarbon dating technician. Research interests: Method development for radiocarbon dating. Supervisor: Jocelyn Turnbull.
Andrew Crotwell - Primary Duties: Laboratory manager, Sediment Geochemistry Lab. Research Interests: Climate reconstruction using alkenone-derived sea-surface temperatures. Supervisor: Scott Lehman.
Mark Dreier - Primary Duties: Assistant laboratory manager in Stable Isotope Laboratory, provide technical expertise with the hardware, develop new systems, maintain old systems, and rebuild mass spectrometers and vacuum pumps. Supervisor: Bruce Vaughn.
Denise Dundon - Primary Duties: Data management and processing within G.I.S. for analysis of modern and past glacier-climate relationships. Supervisor: William Manley.
Matt Duvall - Primary duties: Develop a "living" electronic atlas of environmental change for the Beringian region of the Arctic, synthesizing as many lines of evidence as possible under the PALE Program within NSF. Supervisor: Giff Miller.
Nanette Elias- Primary duties: Assistant to the Managing Editor of Arctic, Antarctic, and Alpine Research Journal and Library Assistant for the INSTAAR Reading Room. Supervisors: Kathleen Salzberg & Martha Andrews.
Karen Erbe - Primary duties: Iceland Project, core splitting and sediment analysis. Research interests: sedimentology. Supervisor: John Andrews.
Charles Hart -Primary duties: Data collection, information management for the Amino Acid Geochronology Laboratory, Center for Geochronological Research. Supervisor: Giff Miller.
Chanda Herring- Primary duties: prepare samples for carbon 14 dating from a Cariaco core. Research interests: generate high resolution C14 plot to correlate with tree-ring and coral plots. Supervisor: Scott Lehman.
Jennifer Horsman - Primary duties: data manager for long-term ecological research conducted in McMurdo Dry Valleys, Antarctica. Research interests: ecology, ice core glaciochemistry, climate change, data management and visualization, and scientific applications of GIS. Supervisor: Diane McKnight.
Zhengjun Hu - Supervisor: Tim Seastedt.
Eric Hutton- Primary duties: maintain and develop numerical models that predict the spatial and temporal distribution of marine sediments. Research interests: sediment transport, computational fluid dynamics, and geophysics. Supervisor : Scott Peckham.
Katie Hyland - Primary duties: Field technician on Niwot LTER project, maintaining the automatic weather stations and collecting stream and soil solution samples for chemical analysis. Supervisor: Mark Williams.
Maggie Lefer - Supervisor: Alan Townsend.
Mark Losleben - Primary duties: Long term climatic database management, atmospheric and precipitation measurements. Research interests: long term climatic trends and related processes effecting Niwot Ridge. Supervisor: Bill Bowman.
Jeff Lukas - Primary Duties: Tree-ring sample collection, dating, measuring, and data analysis. Research interests: Climate variability in the interior West and its effects on human activities and ecosystems. Supervisor: Connie Woodhouse.
Steve Muller - Primary Duties: GIS and remote-sensing analyst. Supervisor: Tim Seastedt.
Andy O'Reilly - Supervisor: Tim Seastedt.
Trevor Popp - Primary duties: Analysis of ice-core samples for H/D, 18O/16O, and deuterium excess; processing of Antarctic and Greenland ice cores for NICL; deep drill operator at North-GRIP camp, Greenlan. Research interests: Paleoclimate via ice cores. Supervisor: Jim White.
Christine Seibold - Primary duties: Environmental Chemistry Laboratory Manager. Research interests: Long-term ecological research chemistries. Supervisor: Tim Seastedt.
Steve Seibold - Primary duties: Manager Mountain Research Station. Supervisor: Bill Bowman.
Charles Steele - Primary duties: Radiocarbon dating technician. Research interests: Method development for radiocarbon dating. Supervisor: Jocelyn Turnbull.
Jocelyn Turnbull - Primary duties: Manages Laboratory for AMS Radiocarbon Preparation and Research which provides radiocarbon dating services to the NSF-ESH community as well as in house research. Research interests: improved radiocarbon dating techniques. Supervisor: Scott Lehman.
Joanne Turner- Primary duties: Geoarchaeological assistant. Research Interests: Earliest peopling of the Americas and sources of raw materials for stone tools. Supervisor: James Syvitski.
Frank Urban- Primary duties: Operates mass spectrometers for analysis of greenhouse gases and carbonates, prepares samples and manages data storage and quality assurance. Supervisor: Jim White.
Bruce Vaughn - Primary duties: Oversees the operation of the Stable Isotope Lab that performs isotopic analyses on atmospheric CO2, CH4, polar ice cores, water, and organic materials. The facility is comprised of several labs, and houses multiple prep systems, off line extraction systems, computing facilities, and six mass spectrometers. Research interests: collaborative isotopic studies in ice cores, glaciers, atmospheric gases, and global change in general. Supervisor: Jim White.
Nancy Weiner - Primary duties: micropaleontology laboratory technician, supervises students and conducts foraminiferal analysis. Research Interests: micropaleontology. Supervisor: Anne Jennings.

Margaret Ahlbrandt, Accounting Technician III, provides grants and contract management.
Cynthia Beers, Administrative Assistant II, provides administrative support for the Institute.
Kathryn Clegg, Accounting Technician III, provides grants and contract management.
Mary Fentress, Accounting Technician III, provides grants and contract management.
Sedrick Frazier, Accounting Technician III, provides grants and contract management.
Julie Hughes, Chief Financial Officer, acts as main financial officer for the institute and its faculty.
Vicky Nelson, Assistant to Director, provides administrative support to the Director of the Institute, the Chief Financial Officer, Institute Committees, and Institute Members.
James Syvitski, Director.
David Lubinski, Webmaster (part time).
Chad Stoffel, System/Network Administrator (full time)

Kathy Anderson - Primary duties: Paleoclimatological studies on a continental scale in North America, using pollen, plant macrofossils, and modern vegetation to look at past and future climate and vegetation changes. Supervisor: Jonathan Overpeck.
Nancy Auerbach - Primary duties:landscape-scale vegetation ecology statistical analysis for the Columbia River Basin. Research interests: vegetation ecology analysis using GIS and remote sensing, Arctic ecology. Supervisor: Patrick Bourgeron.
Jim Barber- Primary duties: Geographic Information System (GIS) Analyst. Research interests: prediction and modeling of ecosystem patterns using biophysical criteria. Supervisor: Patrick Bourgeron.
Tim Bardsley - Primary duties: field technician, collection of field data, maintenance of field equipment. Research interests: long-term ecological research. Supervisor: Tim Seastedt.
Peter Brown- Primary duties: Drought reconstructions from the Central Plains region using tree-ring data. Research interests: using tree-ring data to reconstruct climate and forest dynamics. Supervisor: Connie Woodhouse.
Evan Burgess - Primary Duties: Data management and processing within G.I.S. for analysis of modern and past glacier-climate relationships. Supervisor: William Manley.
Briana Christine Constance - Primary Duties: Manage Terrestrial Biogeochemistry lab. Research Interests: Soil biogeochemistry. Supervisor: Alan Townsend.
Travis Cornwell - Primary duties: Radiocarbon dating technician. Research interests: Method development for radiocarbon dating. Supervisor: Jocelyn Turnbull.
Andrew Crotwell - Primary Duties: Laboratory manager, Sediment Geochemistry Lab. Research Interests: Climate reconstruction using alkenone-derived sea-surface temperatures. Supervisor: Scott Lehman.
Mark Dreier - Primary Duties: Assistant laboratory manager in Stable Isotope Laboratory, provide technical expertise with the hardware, develop new systems, maintain old systems, and rebuild mass spectrometers and vacuum pumps. Supervisor: Bruce Vaughn.
Denise Dundon - Primary Duties: Data management and processing within G.I.S. for analysis of modern and past glacier-climate relationships. Supervisor: William Manley.
Matt Duvall - Primary duties: Develop a "living" electronic atlas of environmental change for the Beringian region of the Arctic, synthesizing as many lines of evidence as possible under the PALE Program within NSF. Supervisor: Giff Miller.
Nanette Elias- Primary duties: Assistant to the Managing Editor of Arctic, Antarctic, and Alpine Research Journal and Library Assistant for the INSTAAR Reading Room. Supervisors: Kathleen Salzberg & Martha Andrews.
Karen Erbe - Primary duties: Iceland Project, core splitting and sediment analysis. Research interests: sedimentology. Supervisor: John Andrews.
Charles Hart -Primary duties: Data collection, information management for the Amino Acid Geochronology Laboratory, Center for Geochronological Research. Supervisor: Giff Miller.
Michael Hartman - Primary duties: Data and information management. Research interests: Data management and information technology. Supervisor: Tim Seastedt.
Chanda Herring- Primary duties: prepare samples for carbon 14 dating from a Cariaco core. Research interests: generate high resolution C14 plot to correlate with tree-ring and coral plots. Supervisor: Scott Lehman.
Jennifer Horsman - Primary duties: data manager for long-term ecological research conducted in McMurdo Dry Valleys, Antarctica. Research interests: ecology, ice core glaciochemistry, climate change, data management and visualization, and scientific applications of GIS. Supervisor: Diane McKnight.
Eric Hutton- Primary duties: maintain and develop numerical models that predict the spatial and temporal distribution of marine sediments. Research interests: sediment transport, computational fluid dynamics, and geophysics. Supervisor : Scott Peckham.
Katie Hyland - Primary duties: Field technician on Niwot LTER project, maintaining the automatic weather stations and collecting stream and soil solution samples for chemical analysis. Supervisor: Mark Williams.
Maggie Lefer - Supervisor: Alan Townsend.
Mark Losleben - Primary duties: Long term climatic database management, atmospheric and precipitation measurements. Research interests: long term climatic trends and related processes effecting Niwot Ridge. Supervisor: Bill Bowman.
Jeff Lukas - Primary Duties: Tree-ring sample collection, dating, measuring, and data analysis. Research interests: Climate variability in the interior West and its effects on human activities and ecosystems. Supervisor: Connie Woodhouse.
Steve Muller - Primary Duties: GIS and remote-sensing analyst. Supervisor: Tim Seastedt.
Trevor Popp - Primary duties: Analysis of ice-core samples for H/D, 18O/16O, and deuterium excess; processing of Antarctic and Greenland ice cores for NICL; deep drill operator at North-GRIP camp, Greenlan. Research interests: Paleoclimate via ice cores. Supervisor: Jim White.
Christine Seibold - Primary duties: Environmental Chemistry Laboratory Manager. Research interests: Long-term ecological research chemistries. Supervisor: Tim Seastedt.
Steve Seibold - Primary duties: Manager Mountain Research Station. Supervisor: Bill Bowman.
Charles Steele - Primary duties: Radiocarbon dating technician. Research interests: Method development for radiocarbon dating. Supervisor: Jocelyn Turnbull.
Jocelyn Turnbull - Primary duties: Manages Laboratory for AMS Radiocarbon Preparation and Research which provides radiocarbon dating services to the NSF-ESH community as well as in house research. Research interests: improved radiocarbon dating techniques. Supervisor: Scott Lehman.
Joanne Turner- Primary duties: Geoarchaeological assistant. Research Interests: Earliest peopling of the Americas and sources of raw materials for stone tools. Supervisor: James Syvitski.
Frank Urban- Primary duties: Operates mass spectrometers for analysis of greenhouse gases and carbonates, prepares samples and manages data storage and quality assurance. Supervisor: Jim White.
Bruce Vaughn - Primary duties: Oversees the operation of the Stable Isotope Lab that performs isotopic analyses on atmospheric CO2, CH4, polar ice cores, water, and organic materials. The facility is comprised of several labs, and houses multiple prep systems, off line extraction systems, computing facilities, and six mass spectrometers. Research interests: collaborative isotopic studies in ice cores, glaciers, atmospheric gases, and global change in general. Supervisor: Jim White.
Nancy Weiner - Primary duties: micropaleontology laboratory technician, supervises students and conducts foraminiferal analysis. Research Interests: micropaleontology. Supervisor: Anne Jennings.

Margaret Ahlbrandt, Accounting Technician III, provides
grants and contract management.
Kathryn Clegg, Accounting Technician III, provides grants and contract
management.
Mary Fentress, Administrative Assistant II, provides administrative
support for the Institute.
Sedrick Frazier, Accounting Technician III, provides grants and contract
management.
Julie Hughes, Chief Financial Officer, acts as main financial officer
for the institute and its faculty.
Donivan Miller, Accounting Technician III, provides grants and contract
management.
Vicky Nelson, Assistant to Director, provides administrative support
to the Director of the Institute, the Chief Financial Officer, Institute Committees,
and Institute Members.
Scott Peckham, Systems Administrator (50% time).
David Lubinski, Webmaster (part time).

Kathy Anderson - Supervisor: Jonathan Overpeck.
Nancy Auerbach- Primary duties:landscape-scale vegetation ecology statistical analysis for the Columbia River Basin. Research interests: vegetation ecology analysis using GIS and remote sensing, Arctic ecology. Supervisor: Patrick Bourgeron.
Jim Barber- Primary duties: Geographic Information System (GIS) Analyst. Research interests: prediction and modelling of ecosystem patterns using biophysical criteria. Supervisor: Patrick Bourgeron.
Tim Bardsley- Primary duties: field technician, collection of field data, maintenance of field equipment. Research interests: long-term ecological research. Supervisor: Tim Seastedt.
Peter Brown- Primary duties: Drought reconstructions from the Central Plains region using tree-ring data. Research interests: using tree-ring data to reconstruct climate and forest dynamics. Supervisor: Connie Woodhouse.
Evan Burgess - Primary Duties: Data management and processing within G.I.S. for analysis of modern and past glacier-climate relationships. Supervisor: William Manley.
Briana Constance- Supervisor: Alan Townsend.
Travis Cornwell- Primary duties: Radiocarbon dating technician. Research interests: Method development for radiocarbon dating. Supervisor: Jocelyn Turnbull.
Andrew Crotwell- Supervisor: Scott Lehman.
Mark Dreier- Supervisor: Bruce Vaughn.
Denise Dundon Æ Primary Duties: Data management and processing within G.I.S. for analysis of modern and past glacier-climate relationships. Supervisor: William Manley.
Matt Duvall- Supervisor: Giff Miller.
Nanette Elias- Primary duties: Assitant to the Managing Editor of Arctic, Antarctic, and Alpine Research Journal and Assistant Librarian to the INSTAAR Reading Room. Supervisors: Kathleen Salzberg & Martha Andrews.
Kim Elkins- Supervisor: Jim White.
Karen Erbe - Primary duties: Iceland Project, core splitting and sediment analysis. Research interests: sedimentology. Supervisor: John Andrews.
Charles Hart -Primary duties: Data collection, information management for the Amino Acid Geochronology Laboratory, Center for Geochronological Research. Supervisor: Giff Miller.
Michael Hartman- Primary duties: Data and information management. Research interests: Data management and information technology. Supervisor: Tim Seastedt.
Chanda Herring- Primary duties: prepare samples for carbon 14 dating from a Cariaco core. Research interests: generate high resolution C14 plot to correlate with tree ring and coral plots. Supervisor: Scott Lehman.
Eric Hutton- Primary duties: maintain and develop numerical models that predict the spatial and temporal distribution of marine sediments. Research interests: sediment transport, computational fluid dynamics, and geophysics. Supervisor : Scott Peckham.
Katie Hyland- Supervisor: Mark Williams.
Maggie Lefer- Supervisor: Alan Townsend.
Mark Losleben- Primary duties: Long term climatic database, atmospheric and precipitation measurements. Research interests: long term climatic trends and related processes effecting Niwot Ridge. Supervisor: Bill Bowman.
Jeff Lukas - Primary Duties: Tree-ring sample collection, dating, measuring, and data analysis. Research interests: Climate variability in the interior West and its effects on human activities and ecosystems. Supervisor: Connie Woodhouse.
Steve Muller- Supervisor: Tim Seastedt.
Trevor Popp- Primary duties: Stable Isotope Laboratory Technician. Supervisior: Jim White.
Christine Seibold- Primary duties: Environmental Chemistry Laboratory Manager. Research interests: Long-term ecological research chemistries. Supervisor: Tim Seastedt.
Steve Seibold- Supervisor: Bill Bowman.
Charles Steele- Primary duties: Radiocarbon dating technician. Research interests: Method development for radiocarbon dating. Supervisor: Jocelyn Turnbull.
Jocelyn Turnbull- Primary duties: Manages Laboratory for AMS Radiocarbon Preparation and Research which provides radiocarbon dating services to the NSF-ESH community as well as in house research. Research interests: improved radiocarbon dating techniques. Supervisor: Scott Lehman.
Joanne Turner- Supervisor: James Syvitski.
Candice Urban-Evans- Supervisor: Jim White.
Bruce Vaughn- Primary duties: Oversees the operation of the Stable Isotope Lab that performs isotopic analyses on atmospheric CO2, CH4, polar ice cores, water, and organic materials. The facility is comprised of several labs, and houses multiple prep systems, off line extraction systems, computing facilities, and six mass spectrometers. Research interests: collaborative isotopic studies in ice cores, glaciers, atmospheric gases, and global change in general. Supervisor: Jim White.
Nancy Weiner- Primary duties: micropaleontology laboratory technician, supervises students and conducts foraminiferal analysis. Research Interests: micropaleontology. Supervisor: Anne Jennings.
Administrative Staff
Margaret Ahlbrandt, Accounting Technician III
Maria Cessna, Accounting Technician III
Kathryn Clegg, Accounting Technician III
Ashley Holladay, Assistant to Director
Julie Hughes, Chief Financial Officer
Donivan Miller, Accounting Technician III,
Vesper Tanaka, Administrative Assistant II
Research Personnel
Kathy Anderson - Supervisor: Jonathan Overpeck
Nancy Auerbach- Primary duties:landscape-scale vegetation ecology statistical analysis for the Columbia River Basin. Research interests: vegetation ecology analysis using GIS and remote sensing, Arctic ecology. Supervisor: Patrick Bourgeron
Jim Barber- Primary duties: Geographic Information System (GIS) Analyst. Research interests: prediction and modelling of ecosystem patterns using biophysical criteria. Supervisor: Patrick Bourgeron
Tim Bardsley- Primary duties: field technician, collection of field data, maintenance of field equipment. Research interests: long-term ecological research. Supervisor: Tim Seastedt
Peter Brown- Primary duties: Drought reconstructions from the Central Plains region using tree-ring data. Research interests: using tree-ring data to reconstruct climate and forest dynamics. Supervisor: Connie Woodhouse
Mark Dreier- Supervisor: Bruce Vaughn
Matt Duvall- Supervisor: Giff Miller
Nanette Elias- Primary duties: Assitant to the Managing Editor of Arctic, Antarctic, and Alpine Research Journal and Assistant Librarian to the INSTAAR Reading Room. Supervisors: Kathleen Salzberg & Martha Andrews
Karen Erbe - Primary duties: Iceland Project, core splitting and sediment analysis. Research interests: sedimentology. Supervisor: John Andrews
Williams Evans - Primary duties: Camp Cook, summer 2000. Supervisor: E. James Dixon.
John Gartner-
Charles Hart -Supervisor: Giff Miller
Michael Hartman- Primary duties: Data and information management. Research interests: Data management and information technology. Supervisor: Tim Seastedt
Chanda Herring- Primary duties: prepare samples for carbon 14 dating from a Cariaco core. Research interests: generate high resolution C14 plot to correlate with tree ring and coral plots. Supervisor: Scott Lehman
Eric Hutton- Supervisor: Scott Peckham
Katie Hyland- Supervisor: Mark Williams
Mark Losleben- Primary duties: long term climatic database, atmospheric and precipitation measurements. Research interests: long term climatic trends and related processes effecting Niwot Ridge. Supervisor: Bill Bowman
Helmut Mayer- Supervisor: Ute Herzfeld
Eric Metzger - Primary duties: Excavator, summer 2000. Supervisor: E. James Dixon
Steve Muller- Supervisor: Tim Seastedt
Christine Seibold- Primary duties: Environmental Chemistry Laboratory Manager. Research interests: Long-term ecological research chemistries. Supervisor: Tim Seastedt
Steve Seibold- Supervisor: Bill Bowman
Denise Steigerwald- Primary duties: data manager for long-term ecological research conducted in McMurdo Dry Valleys, Antacrtica. Research interests: ecology, human impact on global conditions. Supervisor: Diane McKnight
Joanne Turner- Supervisor: James Syvitski
Candice Urban- Supervisor: Jim White
Bruce Vaughn- Primary duties: manages the Stable Isotope Lab which houses six mass spectrometers. Research interests: collaborates in isotopic studies in ice cores, glaciers, atmospheric gases, and global change. Supervisor: Jim White
Nancy Weiner- Primary duties: micropaleontology laboratory technician, supervises students and conducts foraminiferal analysis. Research Interests: micropaleontology. Supervisor: Anne Jennings