Last Updated:2025/12/08

After the intense storm, the knick point migrated upstream, altering the river's channel profile.

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After the intense storm, the knick point migrated upstream, altering the river's channel profile.

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激しい嵐の後、河床の急激な勾配変化点が上流に移動し、河道の断面形状が変わった。

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