Greenland is Shrinking, Satellite Data Reveals
Summary
Scientists have discovered that Greenland is shrinking and drifting northwest due to melting ice sheets. This movement is measured using satellite data, which shows changes in Greenland's position and size over the past 20 years.Key Facts
- Greenland is the world's largest island, with an area of 2,175,600 square kilometers.
- The island is mostly covered by the Greenlandic ice sheet.
- Melting ice is reducing pressure on the land, causing Greenland to move northwest.
- Greenland has drifted about two centimeters each year in the last 20 years.
- Different parts of Greenland are experiencing changes, with some areas stretching and others compressing.
- Researchers used data from 58 GPS stations to track movements.
- The study provides a detailed account of Greenland's changes from 26,000 years ago to the present.
- Understanding these movements is important for geoscience as well as for surveying and navigation purposes.
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