Information on Fjords
A fjord is of a narrow inlet of the sea with steep sides, according to Microsoft Encarta. The movement of glaciers combined with erosion can result in geological formations like fjords.
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Glacial Action
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Gravity causes glaciers to move downhill. As a glacier moves, it scrapes up rocks and carries them at its bottom, abrading the terrain and changing the landscape, according to ScienceClarified. Sometimes a glacier scrapes out bowl-shaped depressions called cirques, in which smaller glaciers form.
Fjord Formation
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According to ScienceClarified, a cirque glacier can move downwards through a stream valley, resulting in erosion that turns a stream valley into narrow glacial trough. If the glacier carves its way to the coastline and melts, and the trough fills with seawater, a fjord results.
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Location
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Fjords are located in a number of countries around the world, including Alaska, British Columbia, Chile, Greenland, Norway, New Zealand and Scotland, according to ScienceClarified.
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References
- Photo Credit fjord scenery image by Svetlana Privezentseva from Fotolia.com