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 6, JUNE 1992
GCM comparison: A comparison of 19 global climate models shows that
their results vary mainly because of differences in the way moisture is
represented. See Sci. News (p. 212, Apr. 4, 1992) or Randall et al.,
Prof. Pubs./Gen. Interest--Science, this GLOBAL CLIMATE CHANGE DIGEST issue--June
CO2 fertilization limited: Data from long-term experiments now in
progress, funded by the Electric Power Research Institute, fail to show a CO2
fertilization effect on tree growth. Instead, they are consistent with studies
and theory indicating that the rate of biomass production is limited by the
availability of nutrients. (From the EPRI newsletter Environment Update,
p. 10, Apr. 1992)
OH levels may be rising: A recent paper estimates that the hydroxyl
radical (OH) may be increasing in the atmosphere by about one percent per year.
As discussed in an article in Global Environ. Change Rep. (pp. 5-6, Mar.
27, 1992), one of the many roles of OH is to remove HCFCs, methyl chloroform,
and methane. (See Prinn et al., J. Geophys. Res., Feb. 20, in Prof.
Pubs./Trend Analysis, this GLOBAL CLIMATE CHANGE DIGEST issue--June
"Haze Clouds the Greenhouse," R. Monastersky, Sci. News,
pp. 232-233, Apr. 11, 1992. A lengthy discussion of recent developments on the
effect of sulfur particle haze on climate, focusing on the work of Robert
Charlson and colleagues.
Guide to Publishers
Index of Abbreviations