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Global Climate Change Digest
A Guide to Information on Greenhouse Gases and Ozone Depletion
Published July 1988 through June 1999

FROM VOLUME 6, NUMBER 1, JANUARY 1993

PROFESSIONAL PUBLICATIONS...
ARCTIC TROPOSPHERIC CHEMISTRY

Item #d93jan30

J. Geophys. Res., 97(D15), Oct. 30, 1992 (Amer. Geophys. Union, 2000 Florida Ave. NW, Washington DC 20009), contains 24 papers on the Arctic Boundary Layer Experiment (ABLE 3A) of July-August 1988. Measurements from the ground, aircraft and satellites were used to investigate the magnitude and variability of methane emissions from the tundra ecosystem, and to elucidate factors controlling ozone production and destruction in the Arctic troposphere. A summary paper by R.C. Harriss (Inst. Study Earth, Oceans & Space, Univ. New Hampshire, Durham NH 03824), S.C. Wofsy et al. (pp. 16,383-16,394) concludes that atmospheric chemical changes in the northern high latitudes may serve as unique early warning indicators of the rates and magnitude of global environmental change.