The “S-290 Unit 4: Basic Weather Processes” distance learning module summarizes atmospheric structure and composition, the Sun-Earth radiation budget, weather elements used to describe the atmosphere, the greenhouse effect, and temperature lags observed both daily and seasonally. The content introduces the concepts of pressure, atmospheric heating, and temperature and provides a basis for understanding weather topics that are explored in more detail in other modules of the Intermediate Wildland Fire Behavior Course.
1) Describe the structure and composition of the atmosphere
2) Define weather and list its elements
3) Describe the Sun-Earth radiation budget and Earth’s heat balance
4) Describe factors affecting the temperature of Earth’s surface and lower atmosphere
5) Describe the greenhouse effect and its influence on air temperature
6) Describe temperature lag and how daily and seasonal temperature lags affect wildland fire behavior.
fire, weather processes, temperature, pressure, heat, radiation, cloud, water vapor, surface properties, atmosphere, fire environment, fire triangle
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