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A stratigraphically controlled multi-proxy chronostratigraphy for the Eastern Mediterranean.

Casford, J. S. L. and Abu-Zied, R. and Rohling, E. J. and Cooke, S. and Fontanier, C. and Leng, M. and Millard, A. and Thomson, J. (2007) 'A stratigraphically controlled multi-proxy chronostratigraphy for the Eastern Mediterranean.', Paleoceanography., 22 . PA4215.

Abstract

An Accelerator Mass Spectrometry (AMS) 14C dated multiparameter event stratigraphy is developed for the Aegean Sea on the basis of highly resolved (centimeter to subcentimeter) multiproxy data collected from four late glacial to Holocene sediment cores. We quantify the degree of proportionality and synchroneity of sediment accumulation in these cores and use this framework to optimize the confidence levels in regional marine, radiocarbon-based chronostratigraphies. The applicability of the framework to published, lower-resolution records from the Aegean Sea is assessed. Next this is extended into the wider eastern Mediterranean, using new and previously published high-resolution data from the northern Levantine and Adriatic cores. We determine that the magnitude of uncertainties in the intercore comparison of AMS 14C datings based on planktonic foraminifera in the eastern Mediterranean is of the order of ±240 years (2 SE). These uncertainties are attributed to synsedimentary and postsedimentary processes that affect the materials dated. This study also offers a background age control that allows for vital refinements to radiocarbon-based chronostratigraphy in the eastern Mediterranean, with the potential for similar frameworks to be developed for any other well-studied region.

Item Type:Article
Keywords:Stratigraphy, Mediterranean, Radiocarbon.
Full text:PDF - Published Version (1052Kb)
Status:Peer-reviewed
Publisher Web site:http://dx.doi.org/10.1029/2007PA001422
Publisher statement:© 2007 American Geophysical Union. Casford, J. S. L., Abu-Zied, R., Rohling, E. J., Cooke, S., Fontanier, C., Leng, M., Millard, A., Thomson, J., (2007), 'A stratigraphically controlled multi-proxy chronostratigraphy for the Eastern Mediterranean', Paleoceanography, 22, PA4215, 10.1029/2007PA001422. To view the published open abstract, go to http://dx.doi.org and enter the DOI.
Record Created:06 Oct 2008
Last Modified:06 Sep 2011 16:31

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