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Fundamentals of Physical Geography

2nd Edition
James Petersen
ISBN: 9781133606536

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BuyFindarrow_forward

Fundamentals of Physical Geography

2nd Edition
James Petersen
ISBN: 9781133606536
Textbook Problem

Where on Earth are the two major existing ice sheets located? How do they compare in area and thickness?

To determine

The location on the Earth where the two major existing ice sheets located and the comparison of both in terms of area and thickness.

Explanation

Continental ice sheets are the large sheets of ice of several meters deep that develop over the non-mountainous areas of the continents such as Greenland and Antarctica. Continental glaciers are subdivided on the basis of their by size namely, the polar ice sheets and ice caps.

Currently, glaciers of all kinds cover about 10% of Earth’s land area. In ice mass and area, Alpine glaciers are almost insignificant compared to continental glaciers. Currently, the enormous ice sheets of Antarctica and Greenland account for 96% of the Earth’s area occupied by glaciers. The ice caps currently occur in Iceland, on arctic islands of Russia and Canada, in Alaska, and in the Canadian Rockies.

Greenland ice sheet: The ice sheet that coves Greenland is called the Greenland ice sheet whose central point of thickness is more than 2 miles (3 kilometers). The only exposed land in Greenland is a mountainous coastal zone. The tongue of ice that reaches the sea similar to Alpine glaciers is called outlet glaciers. It usually flows through fjords...

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