Difference between revisions of "River Typology in The Netherlands"

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(Classification system)
(Classification system)
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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 14:30, 24 March 2010

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)