General Circulation Models (GCMs) of the Atmosphere

question 44

Multiple Choice

General circulation models (GCMs) of the atmosphere

• A) are pre-computer based models that estimated atmospheric and oceanic circulation and are now being used to study climate change.
• B) are highly simplistic models that use one or two variables to test the veracity of climate proxies, such as ice core and ocean sediment core samples.
• C) are based on statistical three-dimensional grids that characterize portions of the atmosphere and ocean in terms of climate-related variables.
• D) calculate the concentrations of greenhouse gases in the atmosphere based on data from weather stations located around the globe.

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Definitions:

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