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The influence of time‐dependent ocean‐continent geometry on predictions of post‐glacial sea level change in Australia and New Zealand
Author(s) -
Milne Glenn A.,
Mitrovica Jerry X.
Publication year - 1998
Publication title -
geophysical research letters
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 2.007
H-Index - 273
eISSN - 1944-8007
pISSN - 0094-8276
DOI - 10.1029/98gl00498
Subject(s) - geology , holocene , sea level , glacial period , last glacial maximum , amplitude , post glacial rebound , oceanography , climatology , geodesy , mantle (geology) , geophysics , paleontology , physics , quantum mechanics
We describe predictions of post‐glacial relative sea level (RSL) variations in Australia and New Zealand that incorporate a realistic evolution of the ocean‐continent margin and compare these to predictions which assume that the ocean‐continent interface is fixed to the present‐day coastline geometry. We find that the predicted amplitude of Holocene sea level highstands in this region can be increased by more than 2 m when a time‐dependent ocean‐continent margin is incorporated into the modeling procedure. Future attempts to refine both mantle viscosity and Late Holocene melting events based on the prediction of a set of these highstands should adopt a theory that includes this extension.

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