February 28, 2007
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A Guide to Information on Greenhouse Gases and Ozone Depletion
Published July 1988 through June 1999
FROM VOLUME 8, NUMBER 5, MAY 1995
Centre modeling report: At the recent climate convention meeting
in Berlin, researchers from the Hadley Centre of the U.K.
Meteorological Office presented recent results from its climate
model. The model includes the effects of sulfate aerosols as well
as greenhouse gases, and for the first time has accurately
simulated the observed changes in global temperature since 1860.
The accuracy of the simulation reportedly convinced John Gummer,
Britain's environment minister, of the likelihood of greenhouse
warming. A report is available describing the results (See
Reports/Climate Modeling; also Nature, p. 487, Apr. 6; New
Scientist, p. 4, Apr. 15; Global Environ. Change Rep.,
p. 5, Apr. 14.)
modeling report: In October 1994, climate researchers met at
the Forum on Global Change Modeling, organized in response
to requests from the Clinton administration to develop a
consensus statement on the credibility of projections of climate
change provided by general circulation models. The result (see
Reports/Climate Modeling), summarized extensively in Eos,
pp. 185, 189-190, May 2, has been used by the General Accounting
Office in developing national policy options.
role in warming: A new statistical analysis of instrumental
temperature records over the past three centuries concludes that
variations in solar output are a minor contribution to the
temperature increase of the last century. David Thompson, an
expert in time series analysis at AT&T Bell Laboratories,
considers this and other results of the analysis as support for
the existence of global warming by anthropogenic greenhouse
gases. The results attracted media attention when presented at a
meeting last December, and have now been published in Science.
(See Thompson paper in Prof. Pubs./Gen. Interest/Climate Change
Science; research news articles in Science, pp. 28-29,
April 7, New Scientist, p. 18, Apr. 22, and Science
News, Vol. 147, p. 214; and feature analysis in Global
Environ. Change Rep., pp. 1-3, Apr. 28.)
Methane developments: Australian CSIRO scientists have
developed a non-antibiotic compound that reduces methane
emissions from animals up to 100 percent (Chem. & Industry,
p. 928, Dec. 5).
Findings from a three-year study at India's National Physical
Laboratory show that the country's rice paddies release only a
tenth the amount of methane as is assumed in global climate
models (Science, p. 1482, Dec. 2).
"Rain Moves North in the Global Greenhouse," J.
Gribbin, New Scientist, p. 18, Mar. 4. A study by Mike
Hulme of the University of East Anglia provides evidence that
rising global temperatures are affecting regional patterns of
precipitation, and supports the climate model prediction that
global warming will make high latitudes wetter. (Hulme discusses
the difficulties of analyzing precipitation records in a paper
listed in Prof. Pubs./Gen. Interest/Climate Change Science.)
"Pacific Warming Unsettles Ecosystems," D.K. Hill, Science,
pp. 1911-1912, Mar. 31. An upward trend in ocean temperatures off
the California coast seems to have had an impact on the food
chain, offering a glimpse of potential impacts of future climate
change. (See Roemmich paper, GLOBAL CLIMATE CHANGE DIGEST,
PROF. PUBS./OF GEN. INTEREST/TREND ANALYSIS, April 1995.)
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