- expansion of the flood plain area

- providing additional flood space by excavating the lateral river bed (flood plain area)

- main purpose: flood/water control and management

- creation of relatively flat and accessible bank areas

- new created space can be used for e.g. public purposes (relaxing, leisure activities) or agricultural purposes (farmland) during low water levels

Basic information

Type: 
Retrofitting + Creation

Performance

Evapotranspiration 1 1
Shading none none
Reflection (Albedo) none
Water Conveyance 1
Water Infiltration 1
Water Retention 2
Water Storage none
Water Reuse none
Water Filtering 1
Water Bio-remediation 1
Deposition none
Bio-filtration none
Habitat Provision 2
Connectivity 2
Beauty / Appearance 1
Usability / Functionality 2
Social Interaction 2
Role of Nature / Mode of Action: 
- replication of: - natural river courses with relatively flat banks and natural floodplains - natural river landscapes without sealed and cultivated areas - temporary water storage and infiltration into the ground - water filtration
Technical & Design Parameters: 
- Technical effort depends on project/design considerations and natural conditions of the channel - Different designs are possible (see picture below) focusing e.g. on ecosystem development or human recreation (or both)
Conditions for Implementation: 
- Infrastructure near the river or other types of land use can be seen as an limitation for river restoration, if there is an need for preservation (limited space)
Benefits & Limitations: 
Benefits: - Flood control - water storage - Water conveyance - Ecological benefits (habitat for wildlife; vegetation) - Human recreation; Amenity value Potential limitations/disservices: - An intensive use of the new floodplain area for recreation (e.g. leisure activity) may restrict the establishment of animals and plants and therefore limits the provision of ecosystems for wildlife - Inversely: if the floodplain area is reserved for the development of ecosystems, the area does not serve (primarily) for human recreation

This project has received funding from the European Union’s Horizon 2020 research and innovation programme under Grant Agreement No. 730052 Topic: SCC-2-2016-2017: Smart Cities and Communities Nature based solutions