River Typology

River Typology

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

Altitude typology

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

Size typology based on 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 typology

1. calcareous
2. siliceous
3. organic

Typology based on Ecoregion

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