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 5, NUMBER 3, MARCH 1992
Nocturnal warming: Climatologists at the National Climatic Data
Center have found that much of the warming over the last 40 years in the
Northern Hemisphere has occurred at night. (See Karl et al., Prof. Pubs.--Gen.
Interest, this GLOBAL CLIMATE CHANGE DIGEST issue--Mar. 1992; "Hot
Nights in the Greenhouse," Science, p. 683, Feb. 7, 1992; "Industrial
Countries Warmed Most at Night," Sci. News, p. 4, Jan. 4.)
Warming and glacial growth: Geologists conclude from glacial
sediments that the growth of the ice-sheets in the most recent ice age began
under conditions similar to those of the present, and that future global warming
could possi-bly have the same effect. (See Miller et al., Prof. Pubs.--Gen.
Interest, this GLOBAL CLIMATE CHANGE DIGEST issue--Mar. 1992; New
York Times, p. C4, Jan. 21, 1992; Sci. News, p. 91, Feb. 8.)
Aerosols decrease UV: NOAA scientists have found that sulfate
particles from industrial activity have reduced ultraviolet radiation reaching
the ground by 5 to 8 percent in rural areas of the eastern U.S. (See Liu et al.,
Prof. Pubs.--UV Measurement, this GLOBAL CLIMATE CHANGE DIGEST issue--Mar.
1992; Eos, p. 595, Dec. 31, 1991; Sci. News, p. 5, Jan.
4, 1992; New Scientist, p. 18, Jan. 18, 1992.)
Sea temperature-ozone link: NOAA meteorologists have found a correlation between sea surface temperatures in the eastern Pacific and late
October stratospheric ozone levels in Antarctica, suggesting a possible
meteorological influence on ozone there in addition to chemical mechanisms. (See
Komhyr et al., Can. J. Phys., Prof. Pubs.--Gen. Interest, this GLOBAL
CLIMATE CHANGE DIGEST issue--Mar. 1992; New Scientist, p. 22, July
Antarctic UV intensifies: Ground measurements show that ultraviolet
radiation reaching the ground under the ozone hole is becoming more intense and
lasting longer over the past few years. (See Frederick and Alberts, Geophys.
Res. Lett., p. 1869, Oct. 1991; New Scientist, p. 19, Jan. 18, 1992;
GLOBAL CLIMATE CHANGE DIGEST, Prof. Pubs.--UV Measurement, Dec. 1991.)
"Federal Global Change Data Plan Reviewed," L.T. Simarski, Eos,
pp. 65-66, Feb. 11, 1992. Discusses a January workshop held in Washington to
review a plan (to be published this spring) for managing data among the various
federal agencies participating in the U.S. Global Change Research Program.
"GEWAX: The Global Energy and Water Cycle Experiment," M.T.
Chahine, Eos, pp. 9, 13-14, Jan. 14, 1992. Describes the organization
and current activities of this component of the World Climate Program, intended
to improve the ability to model global evaporation and precipitation, and to
provide an assessment of the sensitivity to climate change of atmospheric
radiation, clouds and the hydrologic cycle. (Intl. GEWAX Proj. Off., 409 Third
St. SW, S. 203, Washington DC 20024.)
"Assessing Climate Change," K. Fedra, IIASA Options, pp.
18-20, Dec. 1991 (Intl. Inst. Applied Systems Analysis, A-2361 Laxenburg,
Austria). A feature article describing IIASA's computer-based Climate Impact
Assessment Expert System (CLIMEX), that helps users sort through and compare
vast amounts of climate-related data, create climate change scenarios, and study
impacts on a region. It combines a global geographical information system and an
extensive climate data base with a rule-based expert system.
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Index of Abbreviations