Case study:Blauwe Kamer

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Location: 51° 56' 58", 5° 36' 28"
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Project overview

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Status Complete
Project web site
Themes Habitat and biodiversity
Country Netherlands
Main contact forename Rogier
Main contact surname Vogelij
Main contact user ID User:InfoMan
Contact organisation Utrechts Landschap
Contact organisation web site http://www.utrechtslandschap.nl
Partner organisations
Parent multi-site project
This is a parent project
encompassing the following
projects
No
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Project summary

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The Blauwe Kamer (Blue Room, named after a farm that stood in the area) was one of the first projects, in 1992, in line with the ideas of Plan Ooievaar (http://nl.wikipedia.org/wiki/Plan_Ooievaar, Dutch), which can be seen as a predecessor for the Room for the River program.

The first measure that was taken was to take away part of the summer quay, restoring the natural dynamics of the floodplain, thereby bringing back the natural river landscape. The low-lying area now becomes inundated even with a slight increase of the water level. This, together with the introduction of large herbivores, konik horses and galloway cattle, has led to the emergence of a more diverse landscape. In 2002 the Grebbeberg, the south side of the Utrecht Hill Ridge is connected to the Blauwe Kamer. As part of the National Ecological Network is the Blauwe Kamer part of a project where the Utrecht Ridge, the Veluwe and the river banks of the Meuse and Waal get connected with each other. For this purpose a number of barriers such as the N225 provincial road still need to be resolved.

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Catchment and subcatchment

Catchment

River basin district Rhine
River basin Rhine

Subcatchment

River name Rhine
Area category 1000 - 10000 km²
Area (km2)
Maximum altitude category 1000 - 2000 m
Maximum altitude (m)
Dominant geology Siliceous
Ecoregion Central Plains
Dominant land cover Grassland, Urban
Waterbody ID



Other case studies in this subcatchment: Amerongse Bovenpolder, Bakenhof Dyke reconstruction, Room for the River, Ruppoldingen, Upper Main catchment restoration


Site

Name Blauwe Kamer
WFD water body codes
WFD (national) typology R7
WFD water body name Lower Rhine
Pre-project morphology Plane bed
Reference morphology Low gradient passively meandering
Desired post project morphology
Heavily modified water body Yes
National/international site designation
Local/regional site designations
Protected species present No
Invasive species present No
Species of interest Coypu (Myocastor coypus)
Dominant hydrology Artificially regulated
Dominant substrate Sand
River corridor land use Improved/semi-improved grassland/pasture
Average bankfull channel width category 5 - 10 m
Average bankfull channel width (m) 300
300 m
0.3 km
30,000 cm
Average bankfull channel depth category 5 - 10 m
Average bankfull channel depth (m) 8
8 m
0.008 km
800 cm
Mean discharge category more than 1000 m³/s
Mean annual discharge (m3/s) 2000
2,000 m³/s
2,000,000 l/s
Average channel gradient category Less than 0.001
Average channel gradient 0.00001
Average unit stream power (W/m2) 0.6538
0.654 W/m²


Project background

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Works started
Works completed
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Cost for project phases

Phase cost category cost exact (k€) Lead organisation Contact forename Contact surname
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Reasons for river restoration

Mitigation of a pressure
Hydromorphology
Biology
Physico-chemical
Other reasons for the project


Measures

Structural measures
Bank/bed modifications
Floodplain / River corridor
Planform / Channel pattern
Other
Non-structural measures
Management interventions
Social measures (incl. engagement)
Other


Monitoring

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Element When monitored Type of monitoring Control site used Result
Before measures After measures Qualitative Quantitative

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Supplementary Information

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