Difference between revisions of "River Typology"

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<h2>Catchment area</h2>
 
<h2>Catchment area</h2>
# small: 10 to 100 km2
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# small: 10 to 100 km<sup>2</sup>
# medium: >100 to 1000 km2
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# medium: >100 to 1000 km<sup>2</sup>
# large: >1000 to 10 000 km2
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# large: >1000 to 10 000 km<sup>2</sup>
# very large: > 10 000 km2
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# very large: > 10 000 km<sup>2</sup>
 
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Revision as of 11:21, 14 May 2009

River Typology

River Typology has been defined applying System A of the Water Framework Directive [1].

Altitude

  1. high: > 800 m
  2. mid-altitude: 200 to 800 m
  3. lowland: < 200 m

Catchment area

  1. small: 10 to 100 km2
  2. medium: >100 to 1000 km2
  3. large: >1000 to 10 000 km2
  4. very large: > 10 000 km2

Geology

  1. calcareous
  2. siliceous
  3. organic


Ecoregion


References

  1. WFD 2000 (original document)