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Growth of Greenland ice sheet - Interpretation (1989)

Zwally, H. Jay

In: Other Sources

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Publication Date: 2011-08-19

Description: An observed 0.23 m/year thickening of the Greenland ice sheet indicates a 25 percent to 45 percent excess ice accumulation over the amount required to balance the outward ice flow. The implied global sea-level depletion is 0.2 to 0.4 mm/year, depending on whether the thickening is only recent (5 to 10 years) or longer term (less than 100 years). If there is a similar imbalance in the northern 60 percent of the ice-sheet area, the depletion is 0.35 to 0.7 mm/year. Increasing ice thickness suggests that the precipitation is higher than the long-term average; higher precipitation may be a characteristic of warmer climates in polar regions.

Keywords: GEOPHYSICS

Type: Science (ISSN 0036-8075); 246; 1589-159

Format: text

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