Drainage Index Grid (conterminous U.S.)

This raster contains the natural, inherent, soil wetness of the lower 48 states, as determined by the ordinally based Natural Soil Drainage Index (DI). The DI is intended to reflect the amount of water that a soil can supply to growing plants under natural conditions. It ranges from 0 for the very driest soils and exposed bedrock, to …Continue reading “Drainage Index Grid (conterminous U.S.)”

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