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Science 16 March 2007:
Vol. 315. no. 5818, pp. 1508 - 1510
DOI: 10.1126/science.1140469
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Perspectives

CLIMATE CHANGE:
Rethinking Ice Sheet Time Scales

Martin Truffer1 and Mark Fahnestock2

Satellite data show that ice sheets can change much faster than commonly appreciated, with potentially worrying implications for their stability.

1M. Truffer is at the Geophysical Institute, University of Alaska, Fairbanks, AK 99775, USA. E-mail: truffer{at}gi.alaska.edu

2M. Fahnestock is at the Institute for the Study of Earth, Oceans and Space, University of New Hampshire, Durham, NH 03824, USA.

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