Reports

Growth of Greenland Ice Sheet: Measurement

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Science  22 Dec 1989:
Vol. 246, Issue 4937, pp. 1587-1589
DOI: 10.1126/science.246.4937.1587

Abstract

Measurements of ice-sheet elevation change by satellite altimetry show that the Greenland surface elevation south of 72° north latitude is increasing. The vertical velocity of the surface is 0.20 ± 0.06 meters per year from measured changes in surface elevations at 5906 intersections between Geosat paths in 1985 and Seasat in 1978, and 0.28 ± 0.02 meters per year from 256,694 intersections of Geosat paths during a 548-day period of 1985 to 1986.

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