glaciers in greenland moves in high speed. give reason
Answers
Explanation:
As climate changes, these glacier are shrinking and the water contained in them is moving into the oceans, adding to the already rising sea level. ... A glacier's velocity is a measure of how fast the ice on the surface of the sheet is flowing toward the edges of the sheet.
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Answer and Explanation:
Different parts of a glacier move at different speeds. The flowing ice in the middle of the glacier moves faster than the base, which grinds slowly along its rocky bed.
The different speeds at which the glacier moves causes tension to build within the brittle, upper part of the ice. The top of the glacier fractures, forming cracks called crevasses. Crevasses are in the top 50 meters (160 feet) of the glacier. Crevasses can be very dangerous for mountaineers. They can open quickly and be very deep.
Greenland and Antarctica are home to the two biggest blocks of ice on Earth. As climate changes, these glacier are shrinking and the water contained in them is moving into the oceans, adding to the already rising sea level.
A glacier's velocity is a measure of how fast the ice on the surface of the sheet is flowing toward the edges of the sheet. This flow can be faster or slower, depending on how much the glacier is melting. The faster the flow, the more water and ice mass is lost from the glacier.
"You can think of the Greenland ice sheet as a really large lake that has hundreds of those little outlet streams that are acting like conveyor belts to move ice from the middle of the ice sheet, where it's getting added by precipitation, to the edges," study researcher Twila Moon, a graduate student at the University of Washington, told LiveScience. [Flowing Ice: Photos of Greenland Glaciers]