February 28, 2007
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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
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.
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).
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