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9/95 - 9/99 |
Scripps Institution of Oceanography,
UCSD
|
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9/89 - 6/93 |
|
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9/85 - 6/89 |
La |
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1/02 - present |
National Center for Atmospheric Research
Boulder, Colorado |
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2/09 – present |
National Institute of Water and Atmospheric Research Wellington,
New Zealand |
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Coop. Inst. for Research in Environmental Sciences
|
|
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7/99 - 10/99 |
Scripps Institution of Oceanography,
UCSD
La Jolla, |
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7/93 - 1/95 |
United States Geological Survey
Woods Hole, |
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Summer '92 |
|
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Summer '91 |
|
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9/98 - 7/99 |
Achievement Rewards for College Scientists Scholar |
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9/95 - 8/98 |
NSF Graduate Research Fellow |
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12/08 |
UCAR Outstanding
Publication Award |
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Winston, G.C., B.B. Stephens, E.T. Sundquist, J.P. Hardy, and R.E. Davis, Seasonal variability in CO2 transport through snow in a boreal forest, Biogeochemistry of Seasonally Snow-Covered Catchments, IAHS publ. no. 228, 61-70, 1995. [PDF] |
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Winston, G.C., E.T. Sundquist, B.B. Stephens, and S. E. Trumbore, Winter CO2 fluxes in a boreal forest, Journal of Geophysical Research, 102, 28795-28804, 1997. [PDF] |
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Keeling, R.F., B.B. Stephens, R.G. Najjar, S.C. Doney, D. Archer, and M. Heimann, Seasonal variations in the atmospheric O2/N2 ratio in relation to the kinetics of air-sea gas exchange, Global Biogeochemical Cycles, 12, 141-163, 1998. [PDF] |
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Stephens, B.B., R.F. Keeling, M. Heimann, K.D. Six, and R. Murnane, Testing global biological ocean models using measurements of atmospheric O2 and CO2 concentrations, Global Biogeochemical Cycles, 12, 213-230, 1998. [PDF] |
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Stephens, B.B., Field-based atmospheric oxygen
measurements and the ocean carbon cycle, Ph.D. thesis, 221 pp., |
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Stephens, B.B., S.C. Wofsy, R.F. Keeling, P.P. Tans, and M.J. Potosnak, The CO2 Budget and Rectification Airborne Study: Strategies for measuring rectifiers and regional fluxes, Inverse Methods in Global Biogeochemical Cycles, Geophysical Monograph 114, AGU 2000. [PDF] |
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Stephens, B.B. and R.F. Keeling, The influence of Antarctic sea ice on glacial-interglacial CO2 variations, Nature, 404, 171-174, 2000. [PDF] |
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Keeling, R.F. and B.B. Stephens, Antarctic sea ice and the control of Pleistocene climate instability, Paleoceanography, 16, 112-131, 330-334, 2001. [PDF] |
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Stephens, B.B. and P.P. Tans, Atmospheric Observations
(Chapter 2), in A Large-Scale CO2 Observing Plan: In |
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Stephens, B.B., R.F. Keeling, and W.J. Paplawsky, Shipboard measurements of atmospheric oxygen using a vacuum-ultraviolet absorption technique, Tellus Series B, 55, 857-878, 2003. [PDF] |
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Bakwin, P.S., P.P. Tans, B.B. Stephens, S.C. Wofsy, C.H. Gerbig, and A. Grainger, Strategies for measurement of atmospheric column means of carbon dioxide from aircraft using discrete sampling, Journal of Geophysical Research, 108(D16), 4514, doi:10.1029/2002JD003306, 2003. [PDF] |
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Dilling, L., S.C. Doney, J. Edmonds, K.R. Gurney, R. Harriss, D. Schimel, B. Stephens, and G. Stokes, The role of carbon cycle observations and knowledge in carbon management, Annual Review of Environment and Resources, 28, 521-558, doi:10.1146/annurev.energy.28.011503.163443, 2003. [PDF] |
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Gerbig, C., J.C. Lin, S.C. Wofsy, B.C. Daube, A.E. Andrews, B.B. Stephens, P.S. Bakwin, and A. Grainger, Toward constraining regional-scale fluxes of CO2 with atmospheric observations over a continent: 1. Observed spatial variability from airborne platforms, Journal of Geophysical Research, 108(D24), 4756, doi:10.1029/2002JD003018, 2003. [PDF] |
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Gerbig, C., J.C. Lin, S.C. Wofsy, B.C. Daube, A.E. Andrews, B.B. Stephens, P.S. Bakwin, and A. Grainger, Toward constraining regional-scale fluxes of CO2 with atmospheric observations over a continent: 2. Analysis of COBRA data using a receptor-oriented framework, Journal of Geophysical Research, 108(D24), 4757, doi: 10.1029/2003JD003770, 2003. [PDF] |
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Doney, S.C., R. Anderson, J. Bishop, K. Caldeira, C. Carlson, M.-E. Carr, R. Feely, M. Hood, C. Hopkinson, R. Jahnke, D. Karl, J. Kleypas, C. Lee, R. Letelier, C. McClain, C. Sabine, J. Sarmiento, B. Stephens, and R. Weller, 2004: Ocean Carbon and Climate Change (OCCC): An Implementation Strategy for U. S. Ocean Carbon Cycle Science, UCAR, Boulder, CO, 108pp. [PDF] |
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Lin, J.C., C. Gerbig, S.C. Wofsy, A.E. Andrews, B.C. |
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Stephens, B., A. Watt, and G. Maclean, An autonomous inexpensive robust CO2 analyzer (AIRCOA). 13th WMO/IAEA Meeting of Experts on Carbon Dioxide Concentration and Related Tracers Measurement Techniques, WMO TD 1359, 95-99, 2006. [PDF] |
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Stephens, B.B., P.S. Bakwin, P.P. Tans, R.M. Teclaw, and D.D. Baumann, Application of a differential fuel-cell analyzer for measuring atmospheric oxygen variations, Journal of Atmospheric and Oceanic Technology, 24, 82–94, doi: 10.1175/JTECH1959.1, 2007. [PDF] |
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Sun, J., S.P. Burns, A.C. Delany, S.P. Oncley,
A.A. Turnipseed, B.B. Stephens, D.H. Lenschow, M.A. LeMone, |
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Stephens, B.B., K.R. Gurney, P.P. Tans, C. Sweeney, W. Peters, L. Bruhwiler, P. Ciais, M. Ramonet, P. Bousquet, T. Nakazawa, S. Aoki, T. Machida, G. Inoue, N. Vinnichenko, J. Lloyd, A. Jordan, M. Heimann, O. Shibistova, R.L. Langenfelds, L.P. Steele, R.J. Francey, A.S. Denning, Weak northern and strong tropical land carbon uptake from vertical profiles of atmospheric CO2, Science, 316, 1732-1735, doi: 10.1126/science.1137004, 2007. [PDF] |
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Obrist, D., Hallar,
A.G., McCubbin, I., Stephens, B.B., Rahn, T., Atmospheric mercury concentrations at Storm
Peak Laboratory in the Rocky Mountains: Evidence for long-range transport
from Asia, boundary layer contributions, and plant mercury uptake, Atmos. Environ., 42, 7579-7589, doi: 10.1016/j.atmosenv.2008.06.051, 2008. [PDF] |
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Kort, E.A., Eluszkiewicz,
J., Stephens, B.B., Miller, J.B., Gerbig, C., Nehrkorn, T., Daube, B.C.,
Kaplan, J.O., Houweling, S., Wofsy,
S.C., Emissions of CH4 and N2O over the United States
and Canada based on a receptor-oriented modeling framework and COBRA-NA
atmospheric observations, Geophys. Res. Lett., 35,
L18808, doi:10.1029/2008GL034031, 2008. [PDF] |
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Burns, S.P., Delany, A.C., Stephens, B.B., Maclean, G.D., Semmer, S.R., Oncley, S.P.,
Sun, J., Schröter, J., and Ruppert,
J., A programmable portable trace-gas measuring system and an evaluation of calibration
techniques for in-situ carbon dioxide measurements, J. Atmos. Oceanic
Technol., 26, 291, doi:10.1175/2008JTECHA1080.1, 2009. [PDF] |
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De Wekker, S.F.J., Ameen, A., Song, G., Stephens, B.B., Hallar, A.G., McCubbin, I.B., A preliminary investigation of boundary layer effects on daytime atmospheric CO2 concentrations at a Mountaintop Location in the Rocky Mountains, Acta Geophys, 57, 904, doi: 10.2478/s11600-009-0033-6, 2009. [PDF] |
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Graven, H., Stephens, B., Guilderson, T., Campos, T., Schimel, D., Campbell, J., Keeling, R., Vertical profiles of biospheric and fossil fuel-derived CO2 and fossil fuel CO2:CO ratios from airborne measurements of D14C, CO2, and CO above Colorado, USA, Tellus Series B, 61, 536, doi: 10.1111/j.1600-0889.2009.00421.x, 2008. [PDF] |
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Sun, J., Oncley, S., Burns, S., Stephens, B., Watt, A., Campos, T., Lenschow, D., Monson, R., Hu, J., Tschudi, M., Schimel, D., Aulenbach, S., Sacks, W., de Wekker, S., Lai, C.-T., Lamb, B., Allwine, E., Coons, T., Ojima, D. Ellsworth, P., Sternberg, L., Zhong, S., Clements, C., and Anderson, D., A multi-scale and multi-disciplinary investigation of ecosystem-atmosphere CO2 exchange over the rocky mountains of Colorado, Bull. Amer. Meteor. Soc., submitted 2009. |
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Kort, E.A., Andrews, A.E., Dlugokencky, E., Sweeney, C., Hirsch, A., Eluszkiewicz, J., Nehrkorn, T., Michalak, A., Stephens, B., Gerbig, C., Miller, J., Kaplan, J., Houweling, S., Daube, B.C., Tans, P., and Wofsy, S.C., Atmospheric constraints on 2004 emissions of methane and nitrous oxide in North America from atmospheric measurements and a receptor-oriented modelling framework, J. Integrative Env. Sci., submitted 2009. |
|
"Measurement of soil surface gas fluxes using
closed-chamber techniques: Are they accurate and scalable?" American
Geophysical Union Fall Meeting, |
|
"Remote continuous CO2 measurements from commercial aircraft," Commercial Aviation Atmospheric Measurement Program (CAAMP) Meeting, Boulder, CO, October, 1996. |
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"Seasonal variations in the atmospheric O2/N2
ratio in relation to the kinetics of air-sea gas exchange," American Geophysical Union Spring Meeting, |
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"Strategies for measuring rectifiers," Third Carbon Modelers Consortium Meeting, |
|
"Testing global ocean carbon cycle models using
measurements of atmospheric O2 and CO2
concentrations," Fifth International
Carbon Dioxide Conference, |
|
"CO2 Budget and Rectification Airborne
Study - North America (COBRA-NA)," Workshop
on Inverse Methods in Global Biogeochemical Cycles, |
|
"Carbon cycle constraints from recent field-based
atmospheric O2 measurements," UCI
Earth System Science Seminar Series, |
|
"Field-based Atmospheric O2 Measurements
and the Ocean Carbon Cycle," |
|
“The influence of Antarctic sea ice on
glacial-interglacial CO2 variations,”
American Geophysical Union Fall Meeting, |
|
“What atmospheric oxygen measurements can tell us about ocean circulation and carbon cycling,” NOAA Climate Monitoring and Diagnostics Laboratory Seminar Series, Boulder, CO, March, 2000. |
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“Atmospheric O2 measurements in temperate forests,” NOAA Climate Monitoring and Diagnostics Laboratory Annual Meeting, Boulder, CO, May, 2000. |
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“Planned WLEF atmospheric O2 measurements and
COBRA summer campaign,” Third Chequamegon Ecosystem-Atmosphere Study Annual Meeting, |
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“Including atmospheric O2 in a fully coupled carbon system model,” Fifth Annual Community Climate System Model Workshop, Breckenridge, CO, June, 2000. |
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“The first measurements of atmospheric oxygen variations in forests: what they say about plant physiology, industrial emissions, continental boundary-layer mixing, and the global carbon cycle,” NCAR Biogeochemistry Seminar Series, Boulder, CO, April, 2001. |
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“Results from the first year of atmospheric O2 measurements at the WLEF tall-tower site,” NOAA Climate Monitoring and Diagnostics Laboratory Annual Meeting, Boulder, CO, May, 2001. |
|
“Using airborne and continental data to evaluate global
atmospheric CO2 inverse models,” Sixth
International Carbon Dioxide Conference, |
|
“Using airborne and continental data to evaluate global atmospheric CO2 inverse models,” TransCom 3 Science Meeting, Ft. Collins, CO, February, 2002. |
|
“The potential role of NCAR in the future carbon observing network,” NCAR Atmospheric Technology Division Seminar Series, Boulder, CO, May, 2002. [PDF] [PPT and embedded MPG, MPG] |
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“Goals,” [PDF] [PPT and embedded MPG] “Instruments and platforms for measuring atmospheric CO2 concentration,” [PDF] [PPT] “The Rules,” [PDF] [PPT] “Representativeness,” [PDF] [PPT] “Synthesis and next steps,” [PDF] [PPT] Model-data Integration and Network Design for Biogeochemical Research (CDAS) Advanced Study Institute, Boulder, CO, May, 2002. |
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“CO2 and O2 concentration measurements: Global carbon cycle,” [PDF] [PPT and embedded MPG, MPG] “CO2 and O2 concentration measurements: Results from the WLEF O2 measurement program,” [PDF] [PPT] Chequamegon Ecosystem-Atmosphere Study Workshop, Woodruff, WI, August, 2002. |
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“Carbon model-data fusion,” North American Carbon Program
Methane Workshop, |
|
“Atmospheric carbon observations,” Carbon Data
Assimilation Workshop, |
|
"Tradeoffs between measurement accuracy and cost,
vertical and horizontal sampling density, and signal strength and variability
in an expanded CO2 observing network," American
Meteorological Society Annual Meeting, |
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"Carbon cycle scaling issues," NCAR Biogeosciences Initiative Meeting, Boulder, CO, February, 2003. [PDF] [PPT and embedded AVI, AVI, AVI, AVI, AVI] |
|
"The vertical distribution of atmospheric CO2," NOAA CMDL Carbon Cycle Greenhouse Gases Group weekly meeting, Boulder, CO, August, 2003. [PDF] [PPT] |
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"Atmospheric oxygen in and above forests," Atmospheric Potential Oxygen Workshop, |
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"CME, ACME, and Regional Carbon Fluxes in the Mountain West," NOAA CMDL Modeling and Data Analysis Workshop, Boulder, CO, September, 2004. [PPT] |
|
"Regional Scale Carbon Flux Estimates over Complex
Terrain and the Airborne Carbon in the Mountains Experiment," American Geophysical Union Fall Meeting, |
|
"Regional Scale Carbon Flux Estimates over Complex Terrain and the Airborne Carbon in the Mountains Experiment," NOAA CMDL Carbon Cycle Greenhouse Gases Group weekly meeting, Boulder, CO, January, 2005 [PPT] |
|
"A Regional Atmospheric Continuous CO2
Network in the |
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"An Autonomous Inexpensive Robust CO2 Analyzer (AIRCOA)," NOAA CMDL Carbon Cycle Greenhouse Gases Group weekly meeting, Boulder, CO, July, 2005 [PPT] |
|
"Southern Ocean Carbon Fluxes and Air-sea Gas-exchange from Past and Future Atmospheric O2 Measurements," Ocean Carbon and Climate Change (OCCC) Workshop, Woods Hole, MA, August, 2005 [PPT] |
|
"An Autonomous Inexpensive Robust CO2 Analyzer (AIRCOA)," 13th WMO/IAEA Meeting of Experts on Carbon Dioxide Concentration and Related Tracer Measurement Techniques, Boulder, CO, September, 2005 [PPT] |
|
"An Autonomous Inexpensive Robust CO2
Analyzer (AIRCOA)," CarboEurope Activity 2.7
Meeting, |
|
"Carbon Cycle Observation Advances at NCAR," National Science Board visit to NCAR, Boulder, CO, February, 2006 [PPT] |
|
"Carbon Cycle Observations and
Instrumentation," NCAR Directors’ Committee monthly meeting, |
|
"Preliminary Data and Reproducibility Metrics from Rocky RACCOON," North American Carbon Program Mid-Continent Intensive (MCI) Campaign 1st Science Team Meeting, Boulder, CO, February, 2006 [PPT] |
|
"Preliminary Data, Reproducibility Metrics, and Representivity from Rocky RACCOON," Workshop on Data Assimilation Techniques and the North American Carbon Budget, Boulder, CO, February, 2006 [PPT] |
|
"The Vertical Distribution of Atmospheric CO2
and the Latitudinal Partitioning of Global Carbon Fluxes," NCAR TIIMES
Management and Science Advisory Committee meeting, |
|
“Regional to Global Carbon Cycling,” lecture given to University of Nevada graduate field course in atmospheric sciences, Storm Peak Laboratory, CO, January, 2007 [PPT and embedded MPG, MPG] |
|
"Light Aircraft CO2 Observations and the Global Carbon Cycle," NCAR TIIMES and EOL Seminar Series, Boulder, CO, April, 2007 [PPT] |
|
"There's a Rectifier in my Closet: Vertical CO2
Transport and Latitudinal Flux Partitioning," TransCom
Meeting, |
|
"Regional Needs and Instrumentation for CO2 Observations," ASP Colloquium: Regional Biogeochemistry, Boulder, CO, June, 2007 [PPT] |
|
"Aircraft CO2 Observations and the Missing
Carbon Sink," NCAR Directors’ Committee monthly meeting, |
|
"Aircraft CO2 Observations and Global Carbon Budgeting," IMAGe/MSRI Summer Graduate Workshop on Data Assimilation for the Carbon Cycle, Boulder, CO, July, 2007 [PPT] |
|
“Closing in on the Missing Carbon Sink: Implications for
Climate Research and Mitigation,” U.N. Climate Change Conference, |
|
“HIPPO (HIAPER Pole-to-Pole Observations of Atmospheric
Tracers): Global Carbon Cycle,”
START-08 planning meeting, |
|
“HIAPER Pole-to-Pole Observations of Atmospheric Tracers
(HIPPO),” NCAR TIIMES Science Advisory Committee meeting, |
|
“Atmospheric Oxygen Measurements during HIPPO (HIAPER
Pole-to-Pole Observations of Atmospheric Tracers),” NCAR EOL Science Group
meeting, |
|
KEYNOTE: “Comparing global carbon cycle models to
observations is hard, but better than the alternative,” Berkeley Atmospheric
Sciences Symposium, |
|
“Carbon cycle observations, modeling, and analyses,” Drivers
and Mitigation of Global Change Programme Meeting, |
|
“Challenging global carbon cycle models with
observations,” National Institute of Water and Atmospheric Research, |
|
“Climate change and carbon on local to global scales,” Wallowa Mountain Institute, Joseph, OR, November, 2008 [PPT] |
|
“Global carbon cycle model-data
fusion,” NCAR Earth Observing Laboratory Seminar Series, Boulder, CO, March,
2009 [PPT] |
|
“Atmospheric CO2 and O2
Observations and the Global Carbon Cycle,” National Institute of Water and
Atmospheric Research, Lauder, New Zealand, May, 2009 [PPT] |
|
“Airborne Observations of Atmospheric O2 and CO2 on Regional to Global Scales,” 8th International Carbon Dioxide Conference, Jena, Germany, September, 2009 [PPT] |
|
“Seasonal variations in the atmospheric O2/N2 ratio in relation to kinetics of air-sea gas exchange,” Fifth International Carbon Dioxide Conference, Cairns, Australia, September, 1997 |
|
“Measurements of atmospheric O2 variations at
the WLEF tall-tower site,” Sixth International Carbon Dioxide
Conference, |
|
"An Autonomous Inexpensive Robust CO2 Analyzer (AIRCOA)," 13th WMO/IAEA Meeting of Experts on Carbon Dioxide Concentration and Related Tracer Measurement Techniques, Boulder, CO, September, 2005; 7th International Carbon Dioxide Conference, Broomfield, CO, September, 2005; AmeriFlux Annual Science Team Meeting, Boulder, CO, October, 2005 [PDF] |
|
"A Regional Atmospheric Continuous CO2 Network in the Rocky Mountains (Rocky RACCOON)," 13th WMO/IAEA Meeting of Experts on Carbon Dioxide Concentration and Related Tracer Measurement Techniques, Boulder, CO, September, 2005; 7th International Carbon Dioxide Conference, Broomfield, CO, September, 2005; AmeriFlux Annual Science Team Meeting, Boulder, CO, October, 2005 [PDF] |
|
"Biologically Driven Southern Ocean Carbon Fluxes as Observed by Atmospheric O2 and CO2 Concentrations," 7th International Carbon Dioxide Conference, Broomfield, CO, September, 2005 [PDF] |
|
"Vertical Profiles of CO2 and the
Latitudinal Partitioning of Carbon Fluxes," 50th Anniversary
of the Global Carbon Dioxide Record Symposium, |
|
“Atmospheric CO2 Measurements in Mountainous Terrain to Monitor Regional Fluxes and Local Disturbance,” 2nd Integrated Land Ecosystem-Atmosphere Study (iLEAPS) Science Conference, Melbourne, Australia, August, 2009 [PDF] |
|
“The Rocky Mountain Regional Atmospheric Continuous CO2 Network,” 15th WMO/IAEA Meeting of Experts on Carbon Dioxide Concentration and Related Tracer Measurement Techniques, Jena, Germany, September, 2009 [PDF] |
|
In Situ Large-Scale CO2 Observations Working Group (LSCOP), 1999 - 2002. [Full report: PDF] |
|
Carbon Cycle Science Ocean Interim Implementation Group (OCCC), 2002 - 2004. [Full report: PDF] |
|
NCAR Realignment Committee, 2003 - 2004. |
|
NCAR Biogeosciences Program Steering Committee, 2002 - present. |
|
NCAR Biocomplexity Program Steering Committee, 2004 - 2005. |
|
NCAR The Institute for Integrative and Multidisciplinary Earth Studies Science Advisory Committee, 2005 - 2006. |
|
The Surface Ocean - Lower Atmosphere Study (SOLAS) Implementation Group 3, 2003 - present. |
|
SOLAS/IMBER Carbon Group (SIC), 2005 - present. [Document: PDF] |
|
Local Organizing Committee, 7th International Carbon Dioxide Conference, 2004 - 2005. |
|
Organizing Committee, 13th WMO/IAEA Meeting of Experts on Carbon Dioxide Concentration and Related Tracer Measurement Techniques, 2004 - 2005. |
|
National Ecological Observatory Network (NEON) Fundamental Instrument Unit Tiger Team, 2007 - present. |
|
Scientific Steering Committee, 8th International Carbon Dioxide
Conference, 2008 - 2009. |
|
Advisory Board, Wallowa Mountain Institute,
2008 – present. |
|
Sigma Xi |
|
American Geophysical Union |
|
American Meteorological Society |
|
New Zealand Meteorological Society |