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Science. 2006 Mar 24;311(5768):1751-3.

Simulating Arctic climate warmth and icefield retreat in the last interglaciation.

Author information

  • 1Climate and Global Dynamics Division, National Center for Atmospheric Research (NCAR), Boulder, CO 80305, USA. ottobli@ucar.edu

Abstract

In the future, Arctic warming and the melting of polar glaciers will be considerable, but the magnitude of both is uncertain. We used a global climate model, a dynamic ice sheet model, and paleoclimatic data to evaluate Northern Hemisphere high-latitude warming and its impact on Arctic icefields during the Last Interglaciation. Our simulated climate matches paleoclimatic observations of past warming, and the combination of physically based climate and ice-sheet modeling with ice-core constraints indicate that the Greenland Ice Sheet and other circum-Arctic ice fields likely contributed 2.2 to 3.4 meters of sea-level rise during the Last Interglaciation.

Comment in

  • Ice sheets and sea level. [Science. 2006]
PMID:
16556838
[PubMed]
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