Construction of dykes and levees along river banks to control the flow of water downstream.
Reforestation of water catchment areas and river banks to reduce quantity of silt brought in the river by surface run-off.
Dredging river channels to increase depth hence reduce overflow.
Straightening meanders to increase the velocity of water in the channel.
steve williams answered the question on November 7, 2017 at 09:42
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