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Reanalysis of ancient eclipse, astronomic and geodetic data: A possible route to resolving the enigma of global sea-level rise

Mitrovica, Jerry X.; Wahr, John; Matsuyama, Isamu; Paulson, Archie; Tamisiea, Mark E.. 2006 Reanalysis of ancient eclipse, astronomic and geodetic data: A possible route to resolving the enigma of global sea-level rise. Earth and Planetary Science Letters, 243 (3-4). 390-399. 10.1016/j.epsl.2005.12.029

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Abstract/Summary

Predictions of the Earth's response to the ice age appear to simultaneously reconcile a set of astronomical, geodetic and ancient eclipse observations related to changes in rotation, thus ruling out ice melting as a major contributor to 20th century sea-level rise. We demonstrate that the reconciliation disappears when an improved theory of rotational stability is applied. Furthermore, our reanalysis of longer satellite records renders previous estimates of the secular change in rotation rate suspect. The updated ice-age predictions and observations permit an anomalous 20th century ice flux of ∼1 mm/yr equivalent sea-level rise. Thus, the full suite of Earth rotation observations are consistent with a connection between climatic warming and recent melting of ice reservoirs.

Item Type: Publication - Article
Digital Object Identifier (DOI): 10.1016/j.epsl.2005.12.029
Programmes: POL Programmes
ISSN: 0012821X
Additional Keywords: ancient eclipses; polar wander; Earth rotation; global sea level; glacial rebound
NORA Subject Terms: Marine Sciences
Date made live: 20 Sep 2012 15:22
URI: http://nora.nerc.ac.uk/id/eprint/19674

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