Transcription of Chapter 3. Modelling the climate system
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Chapter 3. Modelling the climate system
Introduction to climate dynamics and climate Modelling - Chapter 3. Modelling the climate system Introduction What is a climate model ? In general terms, a climate model could be defined as a mathematical representation of the climate system based on physical, biological and chemical principles (Fig. ). The equations derived from these laws are so complex that they must be solved numerically. As a consequence, climate models provide a solution which is discrete in space and time, meaning that the results obtained represent averages over regions, whose size depends on model resolution, and for specific times.
3.2 A hierarchy of models . 3.2.1 Energy balance models . As indicated by their name, energy balance models estimate the changes in the climate system from an analysis of the energy budget of the Earth. In their simplest form, they do not include any explicit spatial dimension, providing only globally averaged values for the computed variables.
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