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 1, NUMBER 1, JULY 1988
"Estimated Annual Regime of Energy-Balance Components,
Evapotranspiration and Soil Moisture for a Drainage Basin in the Case of a CO2
Doubling," F. Bultot (Hydrol. Sect., Roy. Meteor. Soc., 3 Ave. Circulaire,
B-1180 Brussels, Belg.), G.L. Dupriez, D. Gellens, Climatic Change, 12,
Information yielded by climate models about CO2 impacts is used to develop a
formula for daily net terrestrial radiation under the climatic conditions of
Belgium. The formula was used in a daily time-step, conceptual hydrological
model to estimate moisture parameters in a Belgian drainage basin. Results are
compared with present conditions.
"Losing Coastal Upland to Relative Sea-Level Rise: 3 Scenarios for
Massachusetts," G.S. Giese (State Univ. New York, Stonybrook N.Y.), D.G.
Aubrey, Oceanus, 30(3), 17-22, Fall 1987.
Describes an analysis of coastal retreat by passive submergence (as opposed
to erosion), based on hypsometric curves established for each coastal community,
for the present rate of relative sea level rise and two projected rates that
account for global warming. Even in regions subject to rapid erosion such as
Cape Cod, passive retreat accounts for most coastal upland loss under present
conditions. Up to 10,000 acres could be lost by 2025 for a projected sea level
rise of 1.57 feet. Future research should examine other types of climate change
impacts on Massachusetts, especially altered storm climatology.
"Host Suitability of Phaseolus lunatus for Trichoplusia
ni (Lepidoptera: Noctuidae) in Controlled Carbon Dioxide Atmospheres,"
W.L.A. Osbrink (Res. Educ. Ctr., Univ. Florida, 3205 College Ave., Ft.
Lauderdale FL 33314), J.T. Trumble, R.E. Wagner, Environ. Entymol., 16(3),
Elevated CO2 at 1,000 ppm increased the consumption of foliage by the insect
as well as plant growth, compared to the ambient level of 340 ppm. Effects of
high, medium and low fertilizer rates on host and pest were studied. Because
percent leaf area of plants consumed by T. ni larvae was not affected by CO2
concentration, increased plant growth resulting from elevated atmospheric CO2
may benefit the plant proportionally more than the insect.
"Ice Sheets and the CO2 Problem," C.J. Van Der Veen (Inst.
Meteor., State Univ., Utrecht, Neth.), Surv. Geophys., 9(1),
1-42, Mar. 1987.
Discusses the CO2 warming and its basic mechanisms, focusing on the effects
on the ice sheets of Greenland and Antarctica. A 2-4° C warming and
intensification of the hydrologic cycle are expected by the second half of the
next century. The Greenland ice sheet will diminish, but Antarctica's should
grow because of increased snowfall. The unstable West Antarctic ice sheet is
also considered; no dramatic changes are expected within the next century.
"Projected Increases in Municipal Water Use in the Great Lakes Due
to CO2-Induced Climate Change," S.J. Cohen (Can. Clim. Ctr., 4905 Dufferin
St., Downsview, Ont., Can.), Water Resour. Bull., 23(1), 91-101,
Scenarios of warmer climate produced for the region by two different general
circulation models were combined with a regression model of potential
evapotranspiration for individual Canadian and U.S. cities. Projected per capita
water use will increase by a small amount, which will probably have only a
marginal effect on water supplies in the Great Lakes basin. A similar approach
could be used to study impacts on water use by agriculture and the power
industry, as well as the effectiveness of water policy initiatives.
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