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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 6, NUMBER 4, APRIL 1993

NEWS...
RESEARCH NEWS

Item #d93apr127

"Another Round for Noisy Ocean Temperature Test," Science, p. 1405, Mar. 5. Oceanographer Walter Munk has funding for a second acoustic temperature test, more limited in scope than the first, intended to more accurately measure Pacific Ocean temperatures. Possible harm to marine mammals from the acoustic sound waves used is considered even less likely than during the first test, because sound levels will be several orders of magnitude lower.

Item #d93apr128

"Back to the Future," G. Walker, Nature, p. 110, Mar. 11. Reviews the recent Royal Society discussion on the climate of the Mesozoic era, and how climate modelers and geologists hope to draw conclusions for future climate.

Item #d93apr129

"Measuring Methane from Bovine Burps," L. Dayton, New Scientist, p. 22, Mar. 6. Explains the experimental approach being used by Australian researchers to explore the factors that determine methane emissions from ruminants.

Item #d93apr130

"Euphotic Zone Study Moves Forward," K. Denman, Eos, p. 134, Mar. 23. The IGBP Scientific Committee recently gave the go-ahead to the Global Ocean Euphotic Zone Study (GOEZS), a potential IGBP core program.

Item #d93apr131

" Floods Flow from Small Climatic Shifts," D. Pendick, Sci. News, p. 86, Feb. 6. Geological evidence suggests that relatively modest shifts in global average annual temperature and precipitation may have dramatic regional effects on the frequency of catastrophic floods.

Item #d93apr132

"Stratospheric Project Studies Climate," Eos, p. 98, Mar. 2. Although the World Climate Research Program has emphasized the ocean-troposphere system, it implemented the Stratospheric Processes and Their Role in Climate (SPARC) project in March 1992. Research goals, organization and activities are described.

Item #d93apr133

"A Moss's Tale of Gassy Climate Burps," Sci. News, p. 429, Dec. 19-26. Study of ancient moss in Chile by James White of the University of Colorado shows that 12,700 years ago, CO₂ levels climbed by 80 parts per million in just a few decades, possibly as a result of abrupt changes in ocean circulation.