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Marine Reservoir Ages in Northern Senegal and Mauritania Coastal Waters

Published online by Cambridge University Press:  18 July 2016

Maurice Ndeye
Maurice Ndeye*
Affiliation:
Laboratoire Carbone 14, IFAN, Université Cheikh Anta Diop de Dakar, Senegal. Email: mndeye@ucad.sn
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Abstract

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In order to estimate the modern reservoir age of the seawater (R) and the corresponding local offset from the global marine radiocarbon calibration curve (δR) for coastal sites of Senegal and Mauritania, we analyzed pre-bomb mollusk shells collected between AD 1837 and 1945. In total, 27 shell samples were measured, including 19 from Senegal and 8 from Mauritania. The results for Senegal for the weighted mean of R is 511 ± 50 BP and δR is 176 ± 15 BP; for Mauritania, R is 421 ± 15 BP and δR is 71 ± 13 BP. While these values indicate a significant difference from the global mean value of R for Senegal, the R value for coastal Mauritania is close to the average ocean value R of ~400 yr (Stuiver and Braziunas 1993).

Information

Type
Articles
Information
Radiocarbon , Volume 50 , Issue 2 , 2008 , pp. 281 - 288
Copyright
Copyright © 2008 by the Arizona Board of Regents on behalf of the University of Arizona 

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