- insequent valley
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диагональная долина
English-Russian dictionary of geology. 2011.
English-Russian dictionary of geology. 2011.
Headward erosion — is a fluvial process of erosion that lengthens a stream, a valley or a gully at its head and also enlarges its drainage basin. The stream erodes away at the rock and soil at its headwaters in the opposite direction that it flows. Once a stream… … Wikipedia