noun
river basin management; river basin flood control; river flood risk reduction
A policy and engineering concept for managing flood risk across an entire river basin, including upstream, midstream, and downstream measures.
流域治水の考え方では、ダムだけでなく森林や遊水地も活用する。
In the river basin management approach, not only dams but also forests and retarding basins are utilized.
近年、気候変動に対応するため流域治水が注目されている。
In recent years, river basin flood control has been attracting attention as a response to climate change.
Compound of 流域 (river basin) and 治水 (flood control). The term became prominent in Japanese water management policy in the 21st century.