瀬せ切ぎれ

noun

drying up of a riverbed surface

Refers to a river or stream becoming so shallow that the riverbed is exposed, often due to drought or water diversion. Used in geographical and environmental contexts.

• 今年ことしの夏なつは雨あめが少すくなく、あちこちで瀬せ切ぎれが起おきた。

  This summer there was little rain, and drying up of riverbeds occurred in many places.

• 瀬せ切ぎれのため、魚さかなが上じょう流りゅうに遡さかのぼれなくなった。

  Because the riverbed dried up, fish could no longer swim upstream.