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Found Drainage 4 times.

Displaying results 1 to 10.

1. Drainage
* The basin (or its area) tributary to a stream. * The removal of excess surface water or groundwater from an area by means of surface or subsurface drains.

2. Drainage area
Total land area draining to any point in a stream, as measured on a map, aerial photo or other horizontal, two-dimensional projection. (See also catchment area ; watershed ; basin .)

3. Drainage basin
A large surface area whose waters are drained off into a principal river system.

4. Drainage density
Total length of natural drainage channels in a given area, expressed as kilometers of stream channel per square kilometer of drainage area.

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