Using Climate Model Output to Assess the Impacts of Climate Change on Water Resourcesby Robert M. Cushman, Oak Ridge Natl Lab, Oak Ridge, United States,
Abstract: The use of general circulation models (GCMs) to provide climate data for regional assessments of the impacts of changing climate on water resources stretches the limits of what the models were designed for. Problems that must be addressed include disagreement on a regional scale among GCMs and between the modeled and observed climate; coarse spatial resolution of the models; and simplistic representation of surface hydrology. It is important that continued progress be made in developing the methodology for using GCM output in climate-impact assessments.
Subject Headings: Hydrologic models | Water resources | Climates | Water circulation | Scale models | Data processing | Terrain models
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