Steep, high velocity, no silting water flow conditions might cause a deep, narrow river channel to form in the stream table.
Explanation:
This shape is especially found in the early stages of rivers, c;lose to the watershed. This is because the geographical elevation of this part is high because the river source is mostly from mountainous regions. The steep gradient causes the water to flow at high speed due to gravity. The high-speed cases the water to have high kinetic energy. The river has a higher vertical erosion capacity than horizontal erosion. This is the reason the river is deep and narrow.
Learn More:
For more on stages of a river check out;
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