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 8, AUGUST 1992
CLIMATE CHANGE IMPACTS: AGRICULTURE
"A Method for Estimating the Direct and Climatic Effects of Rising
Atmospheric Carbon Dioxide on Growth and Yield of Crops," Agric.
Systems, 38(3), 1992.
"1. Modification of the EPIC Model for Climate Change Analysis,"
C.O. Stockle (Dept. Agric. Eng., Washington State Univ., Pullman WA 99164), J.R.
Williams et al., 225-238. EPIC, a comprehensive cropping system model, was
modified to account for the effects of change in CO2 concentration and water
vapor deficit on the radiation use efficiency, leaf resistance and transpiration
"2. Sensitivity Analysis at Three Sites in the Midwestern USA,"
C.O. Stockle, P.T. Dyke et al., 239-256. Applies the model to maize, soybean and
"Sustainability of the Great Plains in an Uncertain Climate,"
W.E. Riebsame (Dept. Geog., Univ. Colorado, Boulder CO 80309), Great Plains
Res., 1(1), 133-151, 1991.
Examines the potential for social adaptation to climate change on the Great
Plains, and offers a framework for sharpening the inquiry into regional
agricultural sustainability. A key characteristic is whether the system is
fundamentally adaptable, or resilient (likely to attempt to maintain "normal"
operations in future droughts). Adaptive strategies are likely to yield less
social dislocation, but debate over the sustainability of Plains agriculture
even in the absence of climate change shows the need for collaborative
examination of regional development trends by Plains researchers.
"Farmer Response to Changes in Climate--The Case of Corn Production,"
L.R. Hansen (Div. Resour. Technol., U.S. Econ. Res. Serv., Washington DC 20250),
J. Agric. Econ. Res., 43(4), 18-25, Fall 1991.
Considers whether minor production adaptations to climate significantly
affect corn yields. When both adaptations to climate and the direct effect of
weather are included, a 6.4° F change in temperature raised yields by 44%
in areas with average July temperatures of 67° F, and reduced yields by
70% in areas with average July temperatures of 76.5° F.
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