Weather Dictionary / Glossary of Terms

Drainage Density


   Weather TermDescription / Definition
   Drainage Density In hydrologic terms, the relative density of natural drainage channels in a given area. It is usually expressed in terms of miles of natural drainage or stream channel per square mile of area, and obtained by dividing the total length of stream channels in the area in miles by the area in square miles.


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Data courtesy of NOAA - National Oceanic and Atmospheric Administration