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Journal of the Geological Society; 2007; v. 164; issue.5; p. 1059-1063;
DOI: 10.1144/0016-76492006-164
© 2007 Geological Society of London

Original Article

Relative sea-level changes from NE Ireland during the last glacial termination

A.M. McCabe1, J.A.G. Cooper1 & J.T. Kelley2

1 1School of Environmental Science, University of Ulster, Coleraine BT52 1SA, UK (e-mail: m.mccabe{at}ulster.ac.uk)
2 2Department of Earth Sciences, University of Maine, Orono, ME 04469-5790, USA

Deglacial sea-level records from NE Ireland between 21 and 11 cal. ka bp record marine transgressions and sensitive lithospheric responses to ice loading. The sawtooth sea-level curve contains four intervals characterized by: (1) strong net uplift, subaerial channelling and a global meltwater pulse (21–19 cal. ka bp); (2) ice loading, isostatic depression and high relative sea level (19–17.5 cal. ka bp); (3) ice loading, renewed isostatic depression and high relative sea level for >1000 years (17–14.5 cal. ka bp); (4) catastrophic ice wastage, rapid uplift and lowstand (14.5–13 cal. ka bp). Geophysical models do not capture these fluctuations.