Physics
Scientific paper
May 2004
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004agusm.g51a..03p&link_type=abstract
American Geophysical Union, Spring Meeting 2004, abstract #G51A-03
Physics
1223 Ocean/Earth/Atmosphere Interactions (3339), 1227 Planetary Geodesy And Gravity (5420, 5714, 6019), 1239 Rotational Variations, 1243 Space Geodetic Surveys, 3339 Ocean/Atmosphere Interactions (0312, 4504)
Scientific paper
Although the classical oxygen isotope derived inference of the rise of eustatic sea level across the glacial-interglacial transition of ~120m has been confirmed by direct observations of the LGM depression of relative sea level at several locations, the validity of this inference has been questioned recently by several authors. The basis for the suggestion that the ice-equivalent eustatic depression of RSL at LGM must be greater than the Del-18O dervided estimate has been provided by an implementation of the theory of post glacial relative sea level change. In this paper I will employ the refined model of planetary deglaciation denoted ICE-5G(VM2) together with an extremely detailed analysis of the impact of changing coastline upon the theoretical predictions of RSL history, to show that these suggestions of the existence of a significant error in the oxygen isotope derived estimate of LGM land ice volume (eustatic sea level depression) are unfounded. These analyses demonstrate that the LGM depression of eustatic sea level was very near the classical estimate of ~120m. This result provides strong support for the newly developed ICE-5G model of planetary deglaciation.
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