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“More than any other environmental hazard, floods bring benefits as well as losses” (Smith, 1996).

Floods serve as ecological ‘reset’ buttons because of the drastic way they alter the landscape. Considerable volumes of sediment are moved during flood events: eroded from soils on the banks, sorted and transported sediments from the bed and deposited in floodplains and other areas where the flow velocity is low. These sedimentation processes serve to create and rejuvenate habitats.