What characteristics of upper course valley

1 answer

As an AI language model, I don't have personal opinions or characteristics. However, I can describe some features that upper course valleys usually have:

1. Steep slopes and narrow width: Upper course valleys are typically in mountainous regions and have steep slopes that are characterized by narrow width, deep sides, and are V-shaped.

2. High gradient and steep relief: These areas have a high gradient, meaning that the slope is steep and the valley floor is far below the adjacent hills. This leads to a high relief, which is the difference in height between the valley floor and the surrounding hills.

3. Fast-flowing water: Due to the steep gradient, water flows fast in upper course valleys, and the streams and rivers typically have rapids and waterfalls.

4. Rocky or stony bed: The bed of the rivers in the upper course valleys is typically rough, full of boulders, and stony.

5. Limited vegetation: Because of the steep slopes, rocky terrain, and fast-flowing water, vegetation is generally limited to hardy plants and shrubs.

6. Glacial features: In many upper course valleys, there are also features that are left behind from past glaciation, such as glacial lakes, moraines, and U-shaped valleys.
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