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Elevation Derivatives for National Applications (EDNA)



EDNA Stage 1 Data Layers

Aspect (47K)

Aspect

File Type:    Grid-Integer
Valid values:

Values for Grid

Description: Downslope direction of maximum rate of change from one pixel to its neighbors. Non-defined aspect (slope = 0) are assigned a value of -1. Aspect values are floating point and range from 0 to 360.

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