Difference between revisions of "River Typology"

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<tr>
 
<tr>
 
<td>
 
<td>
<h2>Altitude typology</h2>
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<h2>Altitude </h2>
 
# high: > 800 m
 
# high: > 800 m
 
# mid-altitude: 200 to 800 m
 
# mid-altitude: 200 to 800 m
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</td>
 
</td>
 
<td>
 
<td>
<h2>Size typology based on
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<h2>Catchment area</h2>
catchment area</h2>
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# small: 10 to 100 km2
 
# small: 10 to 100 km2
 
# medium: >100 to 1000 km2
 
# medium: >100 to 1000 km2
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</td>
 
</td>
 
<td>
 
<td>
<h2>Geology typology</h2>
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<h2>Geology </h2>
 
# calcareous
 
# calcareous
 
# siliceous
 
# siliceous

Revision as of 11:34, 11 May 2009

River Typology

River Typology has been defined applying System A of the Water Framework Directive (WFD 2000).

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


Typology based on Ecoregion