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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 8, NUMBER 10, OCTOBER 1995

NEWS...
RESEARCH NEWS

Item #d95oct135

New evidence of warming? A new study finds evidence that in some parts of the world, characteristics of temperature and precipitation fluctuations have changed in a manner predicted by computer models for greenhouse warming. (See Karl article, Prof. Pubs./Gen. Interest/Trend Analyses in this Digest issue--Oct. 1995, and The New York Times, p. C4, Sep. 26, 1995.)

Item #d95oct136

Sun-climate relationships. "Natural Antidote to Global Warming?" J. Maddox, Nature, p. 193, Sep. 21, 1995. A comment citing several recent studies. The condition of the Sun in the seventeenth century suggests that reduced radiation could have accounted for the Little Ice Age, but there is only a small chance that a recurrence will head off global warming.

Item #d95oct137

"A Fickle Sun Could Be Altering Earth's Climate After All," R.A. Kerr, Science, p. 633, Aug. 4, 1995. At the latest meeting of the International Union of Geodesy and Geophysics, climate modelers added support to the correlation between atmospheric fluctuations and the 11-year sunspot cycle proposed by Karin Labitzke in 1987. There is still little evidence that a brightening sun drove the last century's global warming, as some greenhouse skeptics argue, but the interest in finding sun-climate connections continues.

Item #d95oct138

UV impacts on amphibians: Work by Andrew Blaustein and colleagues at Oregon State University suggesting that amphibians are suffering from elevated UV radiation is discussed in an article on the scientific rigor of ecological experiments by W. Roush (Science, pp. 313-315, July 21, 1995). A number of comments on the article, including a response by Blaustein, appear on pp. 1201-1204 of the Sep. 1 issue.

Item #d95oct139

NIGEC request for proposals: The National Institute for Global Environmental Change, operated at six regional centers in the U.S. for the Department of Energy, has issued a request for proposals on a wide range of research related to global change, for academic years 1996-1997. Proposals are due Nov. 28, 1995. The RFP is available on the Internet at http://nigec.ucdavis.edu, or from the regional centers.

Item #d95oct140

"SST Emissions Cut Stratospheric Ozone," R. Lipkin, Science, p. 229, Oct. 7, 1995. Estimates of the impact of a fleet of 500 new high-speed civil transport planes proposed by NASA by 2015 have been made based on measurements taken in the wake of the Concorde supersonic aircraft. (See Fahey article in Prof. Pubs./Gen. Interest/Ozone Depletion in this Digest issue--Oct. 1995.)

Item #d95oct141

"Iron Versus the Greenhouse: Oceanographers Cautiously Explore a Global Warming Therapy," R. Monastersky, Science News, pp. 220-222, Sep. 30, 1995. Summarizes recent experiments involving the stimulation of plankton growth in the ocean by iron fertilization. (See Res. News, GLOBAL CLIMATE CHANGE DIGEST, Aug. 1995) Also discusses growing concerns among scientists and others over "geoengineering" schemes as solutions to environmental problems.

Item #d95oct142

"Ocean Flip Puts Modellers on Med Alert," D. MacKenzie, New Scientist, p. 8, Sep. 2, 1995. A striking shift in the deep water current of the Mediterranean discovered by German scientists is the first hard evidence that climate change may cause stable ocean currents, such as the Gulf Stream, to switch into a new mode, a possibility predicted by climate models. (Related correspondence appears on p. 70, Oct. 7.)