Write a short note on hanging valley.
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Hanging Valleys
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- Since the magnitude of the glacial erosion depends upon the thickness of the ice,main glaciers cut their valleys deeper than those of their tributaries.
- As a result,at the junction where a tributary joins the main glacier, the floors of their valleys do not meet at the same level.
- Such valleys are called Hanging Valleys.
- When the glaciers dissapear, the hanging valleys are occupied by streams which discharge into the main valley forming waterfalls.
- Where a glacier terminate on land, the streams of melt- water flowing on and under the glacier meet downstream to form a single river.
- The glaciers that end at the sea coast, they discharge huge cliffs of ice into the sea.
- Because ice is less dense than water,it floats.
- Such floating ice hills are called icebergs.
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