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What Is a General Circulation Model (GCM)?

April 26, 2017circulation GCM model

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What Is a General Circulation Model (GCM)?

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A GCM is a global, three-dimensional computer model of the climate system, which can be used to simulate the earth’s climate. GCMs are highly complex and represent the effects of such factors as reflective and absorptive properties of atmospheric water vapor, greenhouse gas concentrations, clouds, solar heating, sea temperatures and ice boundaries. The most advanced GCMs include global representations of the atmosphere, oceans, and land surface.