Halocarbons and other Atmospheric Trace Species

Active Scientific Collaborations

Atmospheric Environment Reseach (AER), Cambridge, MA

• Intercomparisons of observed high altitude tracer fields with 2-D photochemical models (Ko and Wiesenstein).
• Modeling of methyl bromide in the atmosphere and ocean (Rodrigues).
• Co-convenors (Sze and Ko), Organizing Committee (w/ Butler and Montzka), 1998 Methyl Bromide State of the Science Meeting
• Contacts: Drs. Dak Sze, Malcolm Ko, Jose Rodrigues, and Debra Wiesenstein
• Joint Publications: Wamsley et al., [1997]; Butler and Rodrigues [1996]

Atmospheric Environment Service (AES)-Canada

• Flask measurements of nitrous oxide, CFC-11, CFC-12, and selected halocarbons since 1989.
• Nitrous oxide and sulfur hexafluoride in situ measurements at Alert, NWT, Canada since 1996.
• Contacts: Dr. Neil Trivett and Mr. Doug Worthy

Brookhaven National Laboratory, NY

• Oceanic CCl₄ research
• Contacts: Dr. Douglas Wallace

Bureau of Meteorology-Australia

• Flask sampling since 1991 at Cape Grim Observatory, Tasmania (with CSIRO)
• Contacts: Mr. Lawrence Porter
• Joint publications: Butler et al., [1994]; Montzka et al., [1994]

California Institute of Technology

• Stratospheric chemistry and transport using airborne and tropospheric data
• Co-chair and organizing committee (Sander and Yung w/Butler), 1998 Methyl Bromide State of the Science Meeting
• Methyl halide sinks and sources at the Earth’s surface
• Contacts: Profs. Yuk Ling Yuk and Stanley Sander, and Bob Herman
• Joint Publications: L. Jaeglé et al., [1997]; Chang et al., [1996a, 1996b]

Cambridge University, UK

• Chapter Co-Author, 1998 Scientific Assessement on Ozone Depletion
• Contacts: Dr. David Lary

Commonwealth Science and Industry Research Organization (CSIRO)-Australia

• Flask sampling since 1991 at Cape Grim Observatory, Tasmania (with the Bureau of Meteorology)
• Operation of ACATS during STRAT and ASHOE/MAESA
• Transport and chemistry in the upper troposphere and lower stratosphere.
• Contacts: Drs. Paul Fraser and L. Paul Steele
• Joint Publications: Wamsley et al., [1997]; Elkins et al., [1996]

Georgia Institute of Technology

• Chapter co-author (w/ Montzka), 1998 Scientific Assessment on Ozone Depletion, Chapter 2
• Contacts: Prof. Dana Hartley

Harvard University

• In situ measurements of tracers at Harvard Forest since 1995. Co-P.I. (McElroy and Elkins) of DOE NIGEC research.
• Chemistry and transport in the stratosphere using airborne and ground-based data.
• Written Far East Asia proposal to establish ground-based stations and use airborne platforms to monitor pollution from this growing region (with McElroy).
• Total hydrogen budget in the stratosphere (with Anderson).
• Total chlorine and bromine budgets in the stratosphere.
• Modeling of CMDL background data (Spivakovsky)
• Contacts: Professors Steven C. Wofsy, James Anderson, and Michael B. McElroy, and Dr. Clarissa Spivakovsky
• Joint publications: Hinsta et al., [1997]; Kohn et al., [1997]; Wamsley et al., [1997]; Woodbridge et al., [1995]; Wofsy et al., [1994]

Jet Proplosion Laboratory; California Institute of Technology

• Stratospheric chemistry and transport using airborne and tropospheric data.
• Contacts: Drs. Ross J. Salawitch, Chris Webster, and James J. Margitan.
• Joint publications: Wamsley et al; [1997]; Volk et al., [1996]; Chang et al., [1996a,b], Woodbridge et al., [1995]; Salawitch et al., [1994a,b; 1993]; Webster et al., [1993]

Forschungszentrum Jülich GmbH (KFA), Institut fuer Atmosphaerische Chemie, Jülich, Germany

• Intercomparison of trace gas measurements in the atmosphere.
• Contacts: Dr. Ralph Koppmann

Laboratory of Ecogeochemistry and Geochemistry of Rare Earths (LEGRE Lab 775), The United Institute of Geology, Geophysics and Mineralogy, Russan Academy of Science

• Use of halocarbon data to examine transport of pollutants from Russia and China.
• Contacts: Dr. F.Sukhorukov, Dr. E.Malikov.\

Lamont Doherty Earth Observatory, Columbia University, NY

• Measurement of N₂O
• Air-Sea Exchange Cruise - 1998
• Contacts: Dr. David Ho

Massachusetts Institute of Technology

• Co-convenor (Prinn w/Elkins), Workshop on Source Gases for Ozone Depletion in Boulder CO, (jointly hosted by AGAGE-MIT/NOAA-CMDL/NASA-UARP) on May 14-16, 1997.
• Modeling of stratospheric transport using airborne tracer data [Plumb]
• Contacts: Prof. Ron Prinn and Alan Plumb
• Joint publications: Waugh et al., [1997, 1994]

M&D Consulting, Germany

• Co-author (with Elkins and Montzka), 1998 Scientific Assessment on Ozone Depletion Chapter 1 and 2.
• Contacts: Dr. Pauline Midgley

Monash University-Australia

• Stratospheric transport using airborne and tropospheric data. Age of air mass determinations.
• Contacts: Drs. Paul Fraser and Paul Steele (also at CSIRO)
• Joint publications: Waugh et al., [1997a,b; 1994]

NASA AEAP HSRP Program

• Partial funding of operations and construction of ACATS and LACE airborne GCs
• Stratospheric chemistry and transport using airborne and tropospheric data
• Contacts: Dr. Howard Weskoy and Randy Kawa

NASA Ames Research Center

• Nitrous oxide and methane intercomparisons on airborne platforms.
• Stratospheric chemistry and transport using airborne and tropospheric data
• Contacts: Drs. Max Loewenstein, James Podoksle, and Roland Chan.
• Joint publications: Volk et al., [1996]; Woodbridge et al., [1995]

NASA Goddard Space Flight Center

• Stratospheric chemistry and transport using airborne and tropospheric data.
• Contacts: Dr. Paul Newman
• Joint publications: Newman et al., [1996]

NASA UARP Program

• Partial funding of operations and construction of ACATS and LACE airborne GCs.
• Co-Convener, Organizing Committee (w/ Butler and Montzka), 1998 Methyl Bromide State of the Science Meeting.
• Co-convenor (w/Elkins), Workshop on Source Gases for Ozone Depletion in Boulder CO, (jointly hosted by AGAGE-MIT/NOAA-CMDL/NASA-UARP) on May 14-16, 1997.
• Co-Author (w/Butler and Montzka), 1998 Scientific Assessement on Ozone Depletion, Chapter 2.
• Contacts: Drs. Michael Kurylo and Phil DeCola

National Center for Atmospheric Research (NCAR), CO

• Photochemistry and tracer measurements during MLOPEX experiments.
• Hydrocarbon measurements.
• Halocarbon standards intercomparison.
• Contacts: Drs. Elliot Atlas, Eric Apel, Chris. A Cantrell and Julia Lee-Taylor
• Joint Publications: Wamsley et al., [1997]; Atlas et al., [1996]; Woodbridge et al., [1995]; Cantrell et al., [1992]

Pennsylvania State University

• Trace gases in firn air (Co-Author and Collaborator)
• OMS Project Scientist (Brune)
• Contacts: Dr. Todd Sowers and Dr. William Brune

Physical Research Laboratory, India

• Co-Author, 1998 Scientific Assessement on Ozone Depletion, Chapter 2
• Contacts: Dr. Shyam Lal

Princeton University, NJ

• Measurement of trace gases in firn air.
• Contacts: Prof. Michael Bender and Dr. Mark Battle
• Joint Publications: Battle et al., [1996]

Purdue University, IL

• Oxygenated hydrocarbon research (w/ Montzka).
• Contacts: Dr. Paul Shepson

Scripps Institution of Oceanography, CA

• Intercomparison of trace gas measurements in the atmosphere.
• Trace gas research
• Contacts: Prof. Ray F. Weiss, Dr. Jürgen Lobert, and Mr. Ben Miller

Universitaet Frankfurt, Germany-- Institut fuer Meteorologie und Geophysik

• Mixing fractions and entrainment times in the tropical and extratropical stratosphere

• Contacts: Dr. C. Michael Volk, Prof. U. Schmidt, Dr. Andreas Engel

University of East Anglia, England

• Intercomparison of trace gas measurements in the atmosphere.
• Cooperative Research Cruises for 1998
• Methyl bromide research
• Contacts: Prof. S. A. Penkett, Drs. Claire Reeves, William T. Sturges, Wendy Broadgate, and Dave Oram.
• Joint Publications: Wamsley et al., [1997]

University of Bristol, England

• Chapter co-author (w/Montzka), 1998 Scientific Assessment on Ozone Depletion, Chapter 2
• Contacts: Dr. Peter Simmonds

University of Colorado, Mountain Research Station

• Measurement of trace gases using flasks and in situ GCs at Niwot Ridge, CO.
• Contacts: Mr. Mark Losleben

University of California at Irvine

• Total bromine and chlorine budget in the stratosphere.
• Intercomparison of trace gas measurements in the atmosphere.
• Methyl bromide research
• Hydrocarbon research
• Contacts: Profs. Sherwood Rowland, Darrin Toohey, and Michael Prather, Dr. Don Blake, Mr. Oliver Wingenter
• Joint publications: Wamsley et al., [1997]; Atlas et al., [1996]; Blake et al., [1992]

University of Dalhousie, Canada

• Methyl Bromide Research
• Air-Sea Exchange Cruise - 1998
• Contacts: Prof. Robert Moore

University of Goteburg, Sweden

• Oceanic CCl₄ research
• Contacts: Dr. Elisabet Fogeqvist

University of Miami, FL

• Analysis of trace gases in firn air.
• Co-investigator (w/Butler) in methyl bromide research grant.
• Theorectical modeling of stratosphere
• Contacts: Prof. Eric Saltzman and Prof.

University of New England, Maine

• Co-Investigator (w/Butler) in methyl bromide research grant
• Contacts: Dr. Paty Matrai

University of Rhode Island

• Analysis of trace gases in firn air.
• Contacts: Dr. Jeff Severinghouse
• Joint publications: Battle et al., [1996]

University of Southampton, UK

• Calibrations, Cooperative Research Cruises for 1998
• Contacts: Dr. Denise Smythe-Wright

University of Washington

• Air-Sea Exchange Cruise - 1998
• Contacts: Dr. William Asher

Woods Hole Oceanographic Institution

• Air-Sea Exchange Cruise - 1998
• Contacts: Drs. W.R. McGillis and J.B. Edson