Unit 4

Upon completion of this unit, students will be able to:

1. Describe the structure and composition of the atmosphere.

2. Define weather and list its elements.

3. Describe the sun-earth radiation budget and the earth’s heat balance.

4. Describe factors affecting the temperature of the earth’s surface and the lower atmosphere.

5. Describe the greenhouse effect and its influence on air temperature.

6. Describe temperature lag and the effect daily and seasonal temperature lags have on wildland fire behavior.