Difference between revisions of "River Typology in The Netherlands"
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|R4 || Permanent slow-flowing headwater on sandy soil || <1 || <50 || Silicious || 0-3 || 0-10 | |R4 || Permanent slow-flowing headwater on sandy soil || <1 || <50 || Silicious || 0-3 || 0-10 | ||
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| + | |R5 || Slow-flowing middle/lower course on sandy soil || <1 || <50 || Silicious || 8-25 || 100-200 | ||
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| + | |R6 || Slow-flowing rivulet on sandy/clay soil || <1 || <50 || Silicious || 8-25 || 100-200 | ||
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| + | |R7 || Slow-flowing river on sandy/clay soil || <1 || <50 || Silicious || >25 || >200 | ||
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| + | |R8 || Freshwater tidal river on sandy/clay soil || <1 || <50 || Silicious || >25 || >200 | ||
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| + | |R10 || Slow-flowing middle/lower course on calcareous soil || <1 || <50 || Calcareous || 3-8 || 10-100 | ||
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| + | |R12 || Slow-flowing middle/lower course on peaty soil || <1 || <50 || Organic || 3-8 || 10-100 | ||
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| + | |R14 || Fast-flowing middle/lower course on sandy soil || >1 || >50 || Silicious || 3-8 || 10-100 | ||
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| + | |R15 || Fast-flowing rivulet on siliceous soil || >1 || >50 || Silicious || 8-25 || 100-200 | ||
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| + | |R16 || Fast-flowing middle/lower course on sandy or gravel soil || >1 || >50 || Silicious || >25 || >200 | ||
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|R18 || Fast-flowing middle/lower course on calcareous soil || >1 ||>50|| Calcareous || 3-8 || 10-100 | |R18 || Fast-flowing middle/lower course on calcareous soil || >1 ||>50|| Calcareous || 3-8 || 10-100 | ||
Revision as of 15:30, 24 March 2010
Contents
River typology in The Netherlands
General description
Classification system
| Type | Name | Slope (m/km) | Flow velocity (cm/s) | Geology (>50%) | Width (m) | Catchment (km^2) |
|---|---|---|---|---|---|---|
| R4 | Permanent slow-flowing headwater on sandy soil | <1 | <50 | Silicious | 0-3 | 0-10 |
| R5 | Slow-flowing middle/lower course on sandy soil | <1 | <50 | Silicious | 8-25 | 100-200 |
| R6 | Slow-flowing rivulet on sandy/clay soil | <1 | <50 | Silicious | 8-25 | 100-200 |
| R7 | Slow-flowing river on sandy/clay soil | <1 | <50 | Silicious | >25 | >200 |
| R8 | Freshwater tidal river on sandy/clay soil | <1 | <50 | Silicious | >25 | >200 |
| R10 | Slow-flowing middle/lower course on calcareous soil | <1 | <50 | Calcareous | 3-8 | 10-100 |
| R12 | Slow-flowing middle/lower course on peaty soil | <1 | <50 | Organic | 3-8 | 10-100 |
| R14 | Fast-flowing middle/lower course on sandy soil | >1 | >50 | Silicious | 3-8 | 10-100 |
| R15 | Fast-flowing rivulet on siliceous soil | >1 | >50 | Silicious | 8-25 | 100-200 |
| R16 | Fast-flowing middle/lower course on sandy or gravel soil | >1 | >50 | Silicious | >25 | >200 |
| R18 | Fast-flowing middle/lower course on calcareous soil | >1 | >50 | Calcareous | 3-8 | 10-100 |
References
References and metrics for fish in rivers in The Netherlands, by Buise and Beers (2009)
