Glacial U-Shaped Valley Landscape
Reference work entry
This landscape is also called a glacial trough landscape, and it is composed of U-shaped valleys that is formed by glacial erosion. This landform is most common in alpine glacier areas. The valleys are wide, flat and straight, and the cross-section looks like a U. They form when a glacier occupies a pre-glacial valley, and the erosive effect of the glacier considerably modifies its form to become deeper and wider with steep valley walls and a flat floor. Polished surfaces and striations often exist on the bedrock of the valley floors and walls (Fig. 15).
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