Modeling Climate

 Modeling Climate at Different Scales

The climate of the Earth is a complicated system with processes that take place on a variety of temporal and spatial scales. To achieve a faithful description, many processes must be taken into account, from the atomic scale, where chemical reactions occur in fractions of a second, to turbulent and convective processes in clouds, to long-term glacial cycles, where the atmospheric composition changes over thousands of years, and even beyond.

Climate projections can be made with more accuracy the more precisely these processes are understood. From a scientific standpoint, accurate climate models help us better understand the workings of the Earth system, which benefits the models themselves.

Equations in climate models that are discretized on a global grid describe the Earth system.

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