Changes in the Velocity Structure of the Greenland Ice Sheet

Overview

Journal Science

Specialty Science

Date 2006 Feb 18

PMID 16484490

Citations 54

Authors

Eric Rignot

Pannir Kanagaratnam

Affiliations

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Abstract

Using satellite radar interferometry observations of Greenland, we detected widespread glacier acceleration below 66 degrees north between 1996 and 2000, which rapidly expanded to 70 degrees north in 2005. Accelerated ice discharge in the west and particularly in the east doubled the ice sheet mass deficit in the last decade from 90 to 220 cubic kilometers per year. As more glaciers accelerate farther north, the contribution of Greenland to sea-level rise will continue to increase.

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