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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 7, NUMBER 10, OCTOBER 1994

NEWS... RESEARCH NEWS

Item #d94oct88

Carbon stored in roots: The first project to measure carbon storage in soils finds that deep-rooted pasture grasses in South America could be storing a substantial portion of the "missing" carbon sink. (See Science News, p. 180, Sep. 17, and Fisher paper in Prof. Pubs./Gen. Interest/Clim. Change Sci.)

Ancient world lead pollution: Greenland ice cores show evidence of global transport of lead in snow that fell at the time of the ancient Greeks and Romans. (See New Scientist, p. 14, Oct. 1, and Hong paper in Prof. Pubs./Gen. Interest/Paleoclim.)

Aircraft impacts on ozone in the lower stratosphere may not be as large as has been thought. New data show an inverse relation between NOx and ozone destruction at those altitudes. However, the study's lead author notes that NOx can move to higher altitudes where it more efficiently catalyzes ozone destruction. (See Science News, p. 260, Oct. 22, and Wennberg article, Prof. Pubs./Strat. Ozone.)

Submarines for science: Scientists and government officials are discussing the possibility of converting one of the U.S. Navy's nuclear submarines for research. This would revolutionize research on the Arctic ocean and its sea ice. Data collected on a submarine by oceanographer James Morison in September have changed the whole picture of how the Arctic ocean is influenced by the Atlantic and Pacific. (See Science, p. 2003, Sep. 30; Nature, p. 191, Sep. 15; New Scientist, P. 7, Oct. 1.)

Research opportunity: Applicants are sought for the 1995 Postdoctoral Program in Ocean Modeling. Contact Meg Austin, UCAR Prog. Office, POB 3000, Boulder CO 80307 (303-497-8649).