A global climate model is a
representation of the interactions between and
within the , , , and .
Each of these components is distinct withinthe
model.

To construct models, scientists divide each
of the Earth's components spatially into a set of .
Simple models may have only a boxes.
The most complex models may have more than a

The following are parameters that scientists use in climate models:
****HIT PLAY for TAB 3...and use the animation

1. Radiative Exchange
2. and Water Vapor
3. Evapotranspiration
4.
5. Melt
6. Water in ice and snow
7. Surface
8. Exchange of and gases between
atmosphere, sea ice and ocean.
9. circulation
10. , condensation, Convection.