LANDFIRE-National Product Descriptions

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Forest Canopy Cover

Forest canopy cover describes the percent cover of the tree canopy in a stand. Specifically, canopy cover describes the vertical projection of the tree canopy onto an imaginary horizontal surface representing the ground’s surface. A spatially explicit map of canopy cover supplies information to fire behavior models, such as FARSITE (Finney 1998), to determine surface fuel shading for calculating dead fuel moisture and for calculating wind reductions. The Canopy Cover layer is generated using a predictive modeling approach that relates Landsat imagery and spatially explicit biophysical gradients to calculated values of average canopy cover from field training sites and digital orthophoto quadrangles. The units of measurement for the LANDFIRE Canopy Cover layer are percent.

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Finney, M. A. 1998. FARSITE: Fire Area Simulator-model development and evaluation. Res. Pap. RMRS-RP-4, Ogden, UT: U.S. Department of Agriculture, Forest Service, Rocky Mountain Research Station. 47 p.