Difference between revisions of "River Typology in The Netherlands"

From REFORM wiki
Jump to: navigation, search
(Classification system)
Line 7: Line 7:
 
{| class="wikitable" border="1" cellpadding="5" cellspacing="0" align="center"
 
{| class="wikitable" border="1" cellpadding="5" cellspacing="0" align="center"
  
!Type ||  Name  ||  Slope (m/km)  ||  Flow velocity (cm/s)  ||  Geology (>50%)  ||  Width (m)  ||  Catchment (km<small>2</small>)
+
!Type ||  Name  ||  Slope (m/km)  ||  Flow velocity (cm/s)  ||  Geology (>50%)  ||  Width (m)  ||  Catchment (km<sup>2</sup>)
 
|-
 
|-
 
|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

Revision as of 14:31, 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 (km2)
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)