Opijnen - Side Channel
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Opijnen - Side Channel
Key features of the case study
Site description
The river Waal is a major tributary of the Rhine. Near the village of Opijnen a number of groyne fields were closed off in 1984 by the construction of a longitudinal dike. It was assumed at the time that this construction would improve navigation conditions for ship traffic on the Waal. The site is situated in the outer bend of a meander. By closing off these groyne fields the hydromorphological conditions were altered. Water flow was stopped, leading to static water bodies in the groynes. Also, sedimentation was influenced by the creation of the dike.
Measures selection
Success criteria
Ecological response
Hydromorphological response
Monitoring before and after implementation of the project
Socio-economic aspects
Contact person within the organization
Extra background information
References
Related Measures
- Lower river banks or floodplains to enlarge inundation and flooding
- Remove or modify in-channel hydraulic structures
- Develop riparian forest
- Reconnect backwaters and wetlands
