Expansion of the river floodplain area to temporarily increase the water storage capacity and increase infiltration to reduce the risk of river flooding. The expansion process could be through dechannelize the river in order to increase the floodplain which are the area on both sides of the river.
Benefits
(+) Provide additional flood space which increases the temporary water storage capacity during flood events
(+) Allows higher water
Limitation
(-) Significant land use changes (i.e. loss of agricultural land, resettlement etc.)
(-) Limitation for river restoration if there is a need for preservation of existing infrastructure
(-) Possible conflict between habitat provision for wildlife and human recreation.
Assessment
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