channels, most common in lower-gradient stream valleys that are not confined by valley walls, have a thick cover of sediment that shields the bedrock from active channel incision and allows channels to migrate laterally across valley bottoms.

Respuesta :

The bedrock from active channel incision and allows channels to migrate laterally across valley bottoms.In the downstream direction as one moves along a stream.

As was already indicated, the stream's discharge rises as a result of the groundwater and water from tributary streams being added to it.With discharge, the stream's width, depth, and average speed all rise. Despite this, the stream's angle will decrease.

Typically, a stream's beginning headwaters have steeper slopes than its mouth, when it empties into another body of water (like the ocean).Flooding in a valley in the spring is most usually caused by "rapid snow melt" in the upstream areas.

Rapid snowmelt has distinct implications in different places. But it is an issue in the upstream area. Many people throughout the world are concerned about how quickly the snow is melting in the spring. Snowmelt.

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