Case study:Blauwe Kamer

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Location: 51° 56' 57.64" N, 5° 36' 28.20" E

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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

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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

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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)	300300 m <br />0.3 km <br />30,000 cm <br />
Average bankfull channel depth category	5 - 10 m
Average bankfull channel depth (m)	88 m <br />0.008 km <br />800 cm <br />
Mean discharge category	more than 1000 m³/s
Mean annual discharge (m3/s)	20002,000 m³/s <br />2,000,000 l/s <br />
Average channel gradient category	Less than 0.001
Average channel gradient	0.00001
Average unit stream power (W/m2)	0.65380.654 W/m² <br />

Project background

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Cost for project phases

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Reasons for river restoration

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Mitigation of a pressure
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Measures

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Structural measures
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Monitoring

Hydromorphological quality elements

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quality elements

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