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Summary
The National Oceanic and Atmospheric Administration's (NOAA) Climate
Monitoring and Diagnostics Laboratory (CMDL) has collected
hydrofluorocarbons (HFCs) from flask samples and in situ instruments
located at monitoring stations and 3 ship cruises. The Halocarbons and
other Trace Species Group (HATS)of NOAA/CMDL collected flask pair
measurements for HFC-134a ... (1,1,1,2-tetrafluoroethane) from network
stations, from shipboard instruments, and archived air samples.
NOAA/CMDL/NOAH stations are at Point Barrow, Alaska (BRW); Mauna Loa,
Hawaii (MLO); Cape Matatula, American Samoa (SMO); and, South Pole,
Antarctica (SPO). Cooperative stations are at Niwot Ridge, Colorado
(NWT); Alert, Canada (ALT); and Cape Grim, Australia (CGO).

Principal investigators for the HFC flask measurements are:
S. Montzaka, J. Elkins, and J. Butler (NOAA/CMDL)

The NOAA/CMDL data are available via anonymous ftp as follows:
ftp://ftp.cmdl.noaa.gov/hats/

or

ftp://ftp.cmdl.noaa.gov/hats/hfcs


For more information on the NOAA/CMDL/HATS program see:

http://www.cmdl.noaa.gov/hats/

A subset of this data is available from the Carbon Dioxide Information
Analysis Center (CDIAC) as part of the Trends collection.

http://cdiac.esd.ornl.gov

Geographic Coverage Spatial coordinates   

N: 83.0

S: -90.0

E: 180.0

W: -180.0

Data Set Citation

Dataset Creator: Montzka, Butler, Elkins, Myers Dataset Title: Atmospheric Measurements of HFC-134a from NOAA/CMDL Dataset Release Place: NOAA/CMDL/HATS Dataset Publisher: NOAA/CMDL/HATS Online Resource: ftp://ftp.cmdl.noaa.gov/hats/hfcs/hfc134a/134A_MS.DAT

Temporal Coverage

Start Date: 1987-01-01

Location Keywords

OCEAN > PACIFIC OCEAN > CENTRAL PACIFIC OCEAN > AMERICAN SAMOA > Cape Matatula CONTINENT > ANTARCTICA OCEAN > ARCTIC OCEAN CONTINENT > AUSTRALIA/NEW ZEALAND > AUSTRALIA > Cape Grim CONTINENT > AUSTRALIA/NEW ZEALAND > AUSTRALIA CONTINENT > NORTH AMERICA > CANADA > Alert CONTINENT > NORTH AMERICA OCEAN > PACIFIC OCEAN CONTINENT > NORTH AMERICA > UNITED STATES OF AMERICA > ALASKA > Point Barrow CONTINENT > NORTH AMERICA > UNITED STATES OF AMERICA > COLORADO > Niwot Ridge CONTINENT > NORTH AMERICA > UNITED STATES OF AMERICA > HAWAII > Mauna Loa GEOGRAPHIC REGION > POLAR

Science Keywords

ATMOSPHERE > ATMOSPHERIC CHEMISTRY > HALOCARBONS AND HALOGENS > HYDROFLUOROCARBONS > HFC-134A ATMOSPHERE > ATMOSPHERIC CHEMISTRY > TRACE GASES/TRACE SPECIES

ISO Topic Category

CLIMATOLOGY/METEOROLOGY/ATMOSPHERE

Platform

CMDL > NOAA Climate Monitoring Diagnostics Laboratory Stations GROUND STATIONS SHIPS

Instrument

FLASKS GAS CHROMATOGRAPHS

Access Constraints
None

Use Constraints
If you use these data in a publication or report, NOAA and CDIAC
policy require that you contact the principal investigators first and
discuss your interests. By including these data in electronic form,
CMDL is trying to encourage scientific interaction. Furthermore, if
the data is used in any presentation or publication, you must give
credit to the National Oceanic and Atmospheric Administration
(NOAA)/Climate Monitoring and Diagnostics Laboratory (CMDL) in
Boulder, CO as a source of the data.

Ancillary Keywords

ALASKA ALERT CANADA CAPE GRIM CAPE MATATULA CMDL COLORADO FLASK FTP GLOBAL WARMING GREENHOUSE EFFECT GREENHOUSE GAS HAWAII HFC MAUNA LOA NIWOT RIDGE NOAA NOAH POINT BARROW SAMOA SOUTH POLE TETRAFLUOROETHANE

Data Set Progress

IN WORK

Originating Center

NOAA/OAR/CMDL/HATS

Data Center

Halocarbons and other Atmospheric Trace Species Group, Global Monitoring Division, Earth System Research Laboratory, OAR, NOAA, U.S. Department of Commerce Data Center URL: http://www.cmdl.noaa.gov/hats/ Data Center Personnel Name: JAMES W. ELKINS Phone: 303-497-6224 Email: jelkins at cmdl.erl.gov Contact Address: NOAA/CMDL Halocarbons and other Atmospheric Trace Species Group 325 Broadway R/CMDL1 City: Boulder Province or State: CO Postal Code: 80303 Country: USA

Distribution

Distribution Media: on-line anonymous ftp

Personnel

JAMES H. BUTLER Role: INVESTIGATOR Phone: +1-303-497-6898 Fax: +1-303-497-6290 Email: jbutler at cmdl.noaa.gov Contact Address: NAT OCEANIC & ATMOSPHERIC ADMIN CLIMATE MONITORING & DIAGNOSTICS LABORATORY 325 BROADWAY City: BOULDER Province or State: COLORADO Postal Code: 80303 Country: USA VALERIE CHORNEY Role: INVESTIGATOR Contact Address: Atmospheric Environment Service, Environment Canada 4905 Dufferin Street City: Downsview Province or State: Ontario Postal Code: M3H 5T4 Country: Canada ANDREW D. CLARKE Role: INVESTIGATOR Contact Address: Cooperative Institute for Research in the Environmental Sciences (CIRES) University of Colorado City: Boulder Province or State: CO Postal Code: 80309 Country: USA JAMES W. ELKINS Role: INVESTIGATOR Phone: 303-497-6224 Email: jelkins at cmdl.erl.gov Contact Address: NOAA/CMDL Halocarbons and other Atmospheric Trace Species Group 325 Broadway R/CMDL1 City: Boulder Province or State: CO Postal Code: 80303 Country: USA DANIEL J. ENDRES Role: INVESTIGATOR Phone: 907-852-6500 Email: dendres at cmdl.noaa.gov Contact Address: National Oceanic and Atmospheric Administration NOAA/CMDL Point Barrow Observatory P.O. Box 888 City: Barrow Province or State: Alaska Postal Code: 99723 Country: USA PAUL J. FRASER Role: INVESTIGATOR Phone: 011 (613) 586-7666 Fax: 011 (613) 586-7600 Email: pjf at atmos.dar.csiro.au Contact Address: Division of Atmospheric Research CSIRO Private Bag No. 1, Mordialloc City: Aspendale Province or State: Victoria Postal Code: 3195 Country: Australia ALAN H. GOLSTEIN Role: INVESTIGATOR Phone: (510) 643-2451 Fax: (510) 643-5098 Email: ahg at nature.berkeley.edu Contact Address: Department of Environmental Science, Policy, and Management University of California 151 Hilgard Hall City: Berkeley Province or State: CA Postal Code: 94720-3110 Country: USA VICTORIA C. HUDEC Role: INVESTIGATOR Contact Address: Atmospheric Environment Service, Environment Canada 4905 Dufferin Street City: Downsview Province or State: Ontario Postal Code: M3H 5T4 Country: Canada LOREEN T. LOCK Role: INVESTIGATOR Contact Address: Cooperative Institute for Research in the Environmental Sciences (CIRES) University of Colorado City: Boulder Province or State: CO Postal Code: 80309 Country: USA MARK V. LOSLEBEN Role: INVESTIGATOR Phone: 303-492-8841 Email: mark.losleben at colorado.edu Contact Address: University of Colorado Mountain Research Station 818 County Road 116 City: Nederland Province or State: CO Postal Code: 80466 Country: USA BERNARD G. MENDONCA Role: INVESTIGATOR Phone: 303-497-6733 Email: bmendonca at cmdl.noaa.gov Contact Address: National Oceanic and Atmospheric Administration NOAA/CMDL South Pole Observatory c/o Climate Monitoring and Diagnostics Laboratory 325 Broadway City: Boulder Province or State: CO Postal Code: 80303 Country: USA STEPHEN A. MONTZKA Role: INVESTIGATOR Role: TECHNICAL CONTACT Phone: 303-497-6657 Email: smontzka at cmdl.erl.gov Contact Address: NOAA/CMDL Halocarbons and other Atmospheric Trace Species Group 325 Broadway R/E/CG1 City: Boulder Province or State: CO Postal Code: 80303 Country: USA RICHARD C. MYERS Role: INVESTIGATOR Email: rmyers at cmdl.erl.gov Contact Address: NOAA/CMDL Halocarbons and other Trace Species Group 325 Broadway R/CMDL1 City: Boulder Province or State: CO Postal Code: 80303 Country: USA LAURENCE W. PORTER Role: INVESTIGATOR Phone: 011 61 04 521629 Fax: 011 61 04 522600 Email: /G=GRIM/S=BAPS/O=MET.BUREAU/ at telememo.au Contact Address: Cape Grim Baseline Air Pollution Station P.O. Box 346 City: SMITHTON Province or State: TASMANIA Postal Code: 7330 Country: AUSTRALIA RUSSELL C. SCHNELL Role: INVESTIGATOR Phone: 808-933-6965 Fax: 808-933-6967 Email: schnell at mloha.mlo.hawaii.gov Contact Address: National Oceanic and Atmospheric Administration NOAA/CMDL Mauna Loa Observatory P.O. Box 275 City: Hilo Province or State: Hawaii Postal Code: 96270 Country: USA NEIL TRIVETT Role: INVESTIGATOR Phone: (416)739-4447 Fax: (416)739-4664 Contact Address: EC / Atmospheric Environment Service Air Quality Measurement and Analysis Research Division 5904 Dufferin Street M3H 5T4 City: Downsview Province or State: Ontario Country: CANADA MARK A. WINEY Role: INVESTIGATOR Phone: 684-622-7455 Contact Address: National Oceanic and Atmospheric Administration NOAA/CMDL Samoa Observatory City: Pago Pago Province or State: American Samoa Postal Code: 96799 Country: USA DOUGLAS WORTHY Role: INVESTIGATOR Phone: +01-416-739-4683 Fax: +01-416-739-5704 Email: doug.worthy at ec.gc.ca Contact Address: Air Quality Measurement and Analysis Research Division 4905 Dufferin Street City: Downsview Province or State: Ontario Postal Code: M3H 5T4 Country: Canada ALAN M. YOSHINAGA Role: INVESTIGATOR Phone: 808-961-3788 Email: yoshinaga at mloha.mlo.hawaii.gov Contact Address: National Oceanic and Atmospheric Administration NOAA/CMDL Mauna Loa Observatory P.O. Box 275 City: Hilo Province or State: Hawaii Postal Code: 96270 Country: USA

Publications/References
Montzka, S. A., R. C. Myers, J. H. Butler, J. W. Elkins, L.T. Lock,
A.D. Clarke, and A.H. Goldstein Observations of HFC-134a in the remote
troposphere, Geophysical Research Letters, 23, 169-172, 1996.

S. A. Montzka, J. H. Butler, R. C. Myers, T. M. Thompson,
T. H. Swanson, A. D. Clarke, L. T. Lock, and J. W. Elkins, Decline in
the tropospheric abundance of halogen from halocarbons: Implications
for stratospheric ozone depletion, Science, 272, 1318-1322, 1996.

Creation and Review Dates

Last DIF Revision Date: 2007-06-29

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