Simulating Arctic climate warmth and icefield retreat in the last interglaciation
Science
By: Bette L. Otto-Bliesner, Shawn J. Marshall, Jonathan T. Overpeck, Gifford H. Miller, Aixue Hu, P. Anderson, O. Bennike, J. Brigham-Grette, M. Duvall, M. Edwards, B. Frechette, S. Funder, S. Johnsen, J. Knies, R. Koerner, A.V. Lozhkin, G. MacDonald, J. Matthiessen, M. Montoya, Daniel R. Muhs, N. Reeh, H.P. Sejrup, C. Turner, and A.A. Velichko
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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.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Simulating Arctic climate warmth and icefield retreat in the last interglaciation |
| Series title | Science |
| DOI | 10.1126/science.1120808 |
| Volume | 311 |
| Issue | 5768 |
| Year Published | 2006 |
| Language | English |
| Publisher | American Association for the Advancement of Science |
| Contributing office(s) | Geosciences and Environmental Change Science Center |
| Description | 3 p. |
| First page | 1751 |
| Last page | 1753 |