Dec 1 2004
From The Space Library
A NASA-funded study revealed evidence of newly discovered relationships between climate change, ice sheets, and sea-level rise. Researchers led by Ian R. Joughin of NASA's JPL found that, between 1992 and 2003, the speed of the ice movements of Greenland's Jakobshavn Isbræ glacier ~ which has the fastest flow of ice from land to ocean of any glacier ~ had doubled. The increased ice flow from this single glacier had led to nearly a 4 percent increase in the rate of global sea-level rise during the 20th century. Furthermore, remote-sensing data from Canadian, European, and NASA satellites indicated that the glacier's accelerated ice flow was largely the result of the warming of Earth's climate. (NASA, “NASA Study Finds Glacier Doing Double Time,” news release M04-192, 1 December 2004; Ian Joughin, Waleed Abdalati, and Mark Fahnestock, “Large Fluctuations in Speed on Greenland's Jakobshavn Isbræ Glacier,” Nature 432, no. 7017 (2 December 2004): 608-610.
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