S-290 Unit 2: Topographic Influences on Wildland Fire Behavior provides an overview of how topography affects fuels and the direction and spread of wildland fires. Information on features of topographic maps and estimating slope is also presented. This module is part of the Intermediate Wildland Fire Behavior Course.
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Upon completion of this unit, students will be able to: 1. Identify standard features on a topographic map. 2. Describe how topography affects fuels and their availability for combustion. 3. Describe how topography can affect the direction and rate of spread of wildfires. 4. Describe how changes in fuels and topography can provide full and partial barriers to the spread of wildland fires. 5. Describe how slope percent can be determined or estimated in the field and understand its effects on fire behavior.
fire, fire behavior, fire weather, topography, fuels, slope, aspect, map, slope meter, clinometer, barrier, ridge, peak, valley, canyon, drainage, slope reversal, chimney
April 2020 - The lesson was updated to current internet standards (mp4/html5), with no changes to content.