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The Forest Canopy Cover (CC) layer 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.
CC 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.
CC supplies information to fire behavior models to determine surface fuel shading for calculating dead fuel moisture and for calculating wind reductions.