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Ice Sheet and Solid Earth Influences on Far-Field Sea-Level Histories

Bassett, S.E; Milne, G.A; Mitrovica, J.X; Clark, P.U

Authors

S.E Bassett

G.A Milne

J.X Mitrovica

P.U Clark



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.

Journal Article Type Article
Publication Date Aug 1, 2005
Deposit Date Jul 19, 2007
Journal Science
Print ISSN 0036-8075
Electronic ISSN 1095-9203
Publisher American Association for the Advancement of Science
Peer Reviewed Peer Reviewed
Volume 309
Pages 925-928
DOI https://doi.org/10.1126/science.1111575
Public URL https://durham-repository.worktribe.com/output/1599599