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Lookup NU author(s): Dr Sophie Bassett
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Holocene data from the Caribbean and the Atlantic coast of South America have been critically assessed and a subset of the best quality data are presented. These data cover a large north–south geographic extent and display a distinct spatial variation. We make the first comparisons of this data set to predictions based on a realistic model of glaciation-induced sea-level change with the main aims of understanding the cause of the observed spatial trend and estimating a eustatic signal for the Holocene. The spatial variation is dominated by the influence of the ice and ocean mass redistribution on sea-level change, with the ice-induced effect dominating the observed north–south trend. A best-fitting model is applied to estimate a Holocene eustatic signal from the observations. We find that the model-corrected data are consistent with a relatively rapid rise of 7–8 mm/yr in the early Holocene with a marked reduction in this rate around 7 cal. kyr BP. From this time until present, the model-corrected data suggest that the volume of mass transfer between ice sheets and oceans was no more than (eustatic sea-level equivalent).
Author(s): Milne GA, Long AJ, Bassett SE
Publication type: Article
Publication status: Published
Journal: Quaternary Science Reviews
Year: 2005
Volume: 24
Issue: 10-11
Pages: 1183-1202
ISSN (print): 0277-3791
ISSN (electronic): 1873-457X
Publisher: Pergamon
URL: http://dx.doi.org/10.1016/j.quascirev.2004.10.005
DOI: 10.1016/j.quascirev.2004.10.005
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