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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 2, NUMBER 2, FEBRUARY 1989

PROFESSIONAL PUBLICATIONS...
GENERAL INTEREST AND POLICY

Item #d89feb25

"Are Global Cloud Albedo and Climate Controlled by Marine Phytoplankton?" S.E. Schwartz (Environ. Chem. Div., Brookhaven Nat. Lab., Upton NY 11973), Nature, 336(6198), 441-445, Dec. 1, 1988.

Examines the hypothesized link between gaseous precursors of aerosol sulfate, and global albedo and mean temperature. To test the effect of dimethylsulfide emissions by marine plankton on climate, research was done to determine the influence on climate of anthropogenic SO2 emissions, which are at least twice as great as marine DMS. No influence was found in the present cloud component or in the 100-year temperature records.

Item #d89feb26

Discussions on "CO₂ Reduction and Reforestation," Science, 242(4885), 1493-1494, Dec. 16, 1988.

Discusses difference between planting trees and reestablishment of forests as a tool in climate control. Explains that forestation of marginal lands in the tropics may require greater expenses and adjustment than planting of large areas with woody plants. Finally, examines benefits of kelp farms.

Item #d89feb27

"Prospects For Aircraft-Based Gas Exchange Measurements in Ecosystem Studies," P.A. Matson (NASA-Ames Res. Ctr., Moffett Field CA 94035), R.C. Harriss, Ecol., 69(5), 1318-1325, Oct. 1988.

Explains how aircraft sampling of the planetary boundary layer can determine trace gas distributions and fluxes on regional scales, providing a link between local and global-scale studies. Under stable atmospheric conditions, the combination of lidar and in situ atmospheric sampling allows estimates of gas exchange between the biosphere and atmosphere.

Item #d89feb28

"Adjusting Water Resources Management to Climate Change," W.E. Riebsame (Dept. Geog., Univ. Colorado, Boulder CO 80309), Clim. Change, 13(1), 69-97.

Discusses nature of climate impacts and adjustment in water supply and flood management. Presents a case study in California's Sacramento Basin of traditional approaches along with social constraints and climate extremes. Specific mechanisms for adjusting water management systems are identified. Suggests that excess capacity, the traditional mechanism for accommodating climatic variability, may prove less feasible in the future.

Item #d89feb29

"Atmospheric Trace Gas Studies in Antarctica," D.R. Cronn (Lab. Atmos. Res., Washington State Univ., Pullman WA 99164), K.J. Schilling, Rev. Geophys., 26(3), 497-518, Aug. 1988.

Trace gas studies have contributed to identification of circulation patterns and mixing mechanisms. Stratospheric-tropospheric air exchange over Antarctica occurs primarily as a result of general circulation patterns with subsidence over the polar regions; stratospheric air injection in the vicinity of jet streams and injection from tropopause folding upstream of troughs; and mountain waves of sufficient magnitude to displace air parcels across the tropopause.

Item #d89feb30

"The Significance of N₂O in Nitrogen Oxide Emissions," J. Jacobs, K.R.G. Hein, VGB Kraftwerkstechnik (West Germany), 68(8), 841-843, Aug. 1988. In German.

Describes influence on the greenhouse effect and the ozone layer by manmade N₂O emissions from power plants. Discusses the difficulties arising from differing observational information, and possible production mechanisms.

Item #d89feb31

"UNESCO's Man and the Biosphere Program," M.I. Dyer (Dept. Entomol., Univ. Georgia, Athens GA), M.M. Holland, BioScience, 38(9), 635-641, Oct. 1988.

Evaluates progress of the international Man and the Biosphere Program (MAB), that has focused on global environmental problems. Suggests that greater effectiveness can be achieved if developing countries collaborate with scientists and agencies in industrialized countries to understand local environmental factors vital for sustainable development.