Catchment

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Catchment

General description

A catchment is an area of land that is drained by a river and its tributaries. Delineation can be made based on the topographic divide (watershed) using digital terrain models (DTM) and a Geographic Information System (GIS). DTMs are freely available online from a variety of sources, such as the 30 m resolution ASTER GDEM from NASA and Japan Space Systems (http://asterweb.jpl.nasa.gov/gdem.asp).

Case studies where this River Characterisation is relevant

    No case studies apply to this River Characterisation.

Tools where this River Characterisation is relevant

    No tools apply to this River Characterisation.

Other relevant information