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Durham University

Department of Geography

Departmental Research Projects

Publication details

Bassett, S.E, Milne, G.A, Mitrovica, J.X & Clark, P.U Ice Sheet and Solid Earth Influences on Far-Field Sea-Level Histories. Science. 2005;309:925-928.

Author(s) from Durham

Abstract

Previous predictions of sea-level change subsequent to the last glacial maximum show significant, systematic discrepancies between observations at Tahiti, Huon Peninsula, and Sunda Shelf during Lateglacial time (14,000 to 9000 calibrated years before the present). We demonstrate that a model of glacial isostatic adjustment characterized by both a high-viscosity lower mantle (4 x 1022 Pa s) and a large contribution from the Antarctic ice sheet to meltwater pulse IA (15-meters eustatic equivalent) resolves these discrepancies. This result supports arguments that an early and rapid Antarctic deglaciation contributed to a sequence of climatic events that ended the most recent glacial period of the current ice age.

Department of Geography