It is also known as watershed area, drainage area, drainage basin or simply basin or catchment. Catchment area may be defined as the area from which the surface runoff is derived. Google earth is a computer program that renders a 3d representation of earth based primarily.
11. Topography And Freshwater Fish Culture from www.fao.org
A dial or other readout registers the area being measured.
Determining Catchment Area Contour Map This Study Is Very Important In Locating Bunds, Dams And Also To Find Out Flood Levels.
Thus, it is always perpendicular to the contour lines. The catchment area contained between the. Steps to create catchment area on arcgis.
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