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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 5, MAY 1992

PROFESSIONAL PUBLICATIONS...
IMPACTS OF CLIMATE CHANGE: METEOROLOGY AND ATMOSPHERIC CHEMISTRY

Item #d92may20

"Greenhouse Warming May Moderate British Storminess," R.C. Balling (Off. Clim., Arizona State Univ., Tempe AZ 85287), R.S. Cerveny et al., Meteor. Atmos. Phys., 46(3-4), 181-184, 1991.

Analysis of data for the period 1861-1986 reveals that warmer air over or to the north of the British Isles has historically been associated with decreased cyclonic activity. These findings raise significant questions about the frequently claimed increase in world storminess expected with global warming.

Item #d92may21

"Surface Pressure Pattern Indicators of Mean Monthly Pollutant Concentrations in Southern Scandinavian Precipitation: A Test Using Case Studies of Months with High and Low Concentrations of Non-Marine Sulphate and Nitrate," T.D. Davies (Sch. Environ. Sci., Univ. E. Anglia, Norwich NR4 7TJ, UK), G. Farmer et al., Atmos. Environ., 26A(2), 261-278, 1992.

Comparison of monthly precipitation-weighted sulfate and nitrate concentrations with back trajectories and synoptic meteorology confirm that mean monthly circulation patterns provide useful information on the chemical character of precipitation. This result suggests a climatological approach to estimating future wet deposition from projections of climate models.

Item #d92may22

"Towards an Assessment of the Influence of Climate on Wet Acidic Deposition in Europe," T.D. Davies (addr. above), C.E. Pierce et al., Environ. Pollut., 75(2), 111-119, 1992.

The EMEP precipitation composition network was used to examine relationships between ionic content and a local zonal pressure index of atmospheric circulation. Results show that this index may be useful for assessing future deposition patterns based on climate projections.

Item #d92may23

"Climate Change and Isoprene Emissions from Vegetation," D.P. Turner (ManTech Environ. Technol. Inc., U.S. EPA, 200 SW 35th St., Corvallis OR 97333), Chemosphere, 23(1), 37-56, 1991.

A global model was developed for estimating spatial and temporal patterns of isoprene emission from vegetation, and used to evaluate potential emissions under doubled-CO₂ scenarios. Emissions were predicted to be about 25% higher, which would likely increase concentrations of ozone and methane, providing a positive climate feedback.