Difference between revisions of "Catchment"
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| + | 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]). | ||
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| + | File:Catchment3.jpg|The River Frome catchment is a medium-sized, lowland, calcareous catchment located in southern England. | ||
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==Case studies where this River Characterisation is relevant== | ==Case studies where this River Characterisation is relevant== | ||
Revision as of 09:54, 14 June 2013
Contents
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 ([1]).
The River Frome catchment is a medium-sized, lowland, calcareous catchment located in southern England.
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.
