- insequent valley
- vallée inséquente
English-French dictionary of Geography . V.M. Kotlyakov, A.I. Komarova. 2007.
insequent valley
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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
