Downscaling general circulation model output: a review of methods and limitations

作者: R.L. Wilby , T.M.L. Wigley

DOI: 10.1177/030913339702100403

关键词: General Circulation ModelPrecipitationGreenhouse gasDownscalingEnvironmental scienceClimate changeClimatologyGlobal climate

摘要: General circulation models (GCMs) suggest that rising concentrations of greenhouse gases may have significant consequences for the global climate. What is less clear is the extent to which local (subgrid) scale meteorological processes will be affected. So-called'downscaling'techniques have subsequently emerged as a means of bridging the gap between what climate modellers are currently able to provide and what impact assessors require. This article reviews the present generation of downscaling tools under four main …

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