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Climate Science Glossary
Return to glossary listAGCM
Atmospheric General Circulation Model
General Circulation Models (GCM) refers to computer models that are used to simulate the movement of matter and energy in 3 dimensions throughout the various components of the climate system - Air, Sea, Land etc. AGCM refers to those models (or parts of models) that simulate the atmospheric part of this.
See here for a discussion.
Definition based on (revised from) IPCC AR4.
All IPCC definitions taken from Climate Change 2007: The Physical Science Basis. Working Group I Contribution to the Fourth Assessment Report of the Intergovernmental Panel on Climate Change, Annex I, Glossary, pp. 941-954. Cambridge University Press.
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