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14C Sources and Distribution in the Vicinity of La Hague Nuclear Reprocessing Plant: Part Ii—Marine Environment

Published online by Cambridge University Press:  18 July 2016

D Maro ,
M Fontugne ,
C Hatté ,
D Hebert  and
M Rozet
D Maro*
Affiliation:
Laboratoire de Radioécologie de Cherbourg-Octeville (IRSN/DEI/SECRE/LRC), F-50130 Cherbourg-Octeville, France
M Fontugne*
Affiliation:
Laboratoire des Sciences du Climat et de l'Environnement, UMR 1572-CEA/CNRS, Domaine du CNRS, F-91198-Gif sur Yvette cedex, France
C Hatté
Affiliation:
Laboratoire des Sciences du Climat et de l'Environnement, UMR 1572-CEA/CNRS, Domaine du CNRS, F-91198-Gif sur Yvette cedex, France
D Hebert
Affiliation:
Laboratoire de Radioécologie de Cherbourg-Octeville (IRSN/DEI/SECRE/LRC), F-50130 Cherbourg-Octeville, France
M Rozet
Affiliation:
Laboratoire de Radioécologie de Cherbourg-Octeville (IRSN/DEI/SECRE/LRC), F-50130 Cherbourg-Octeville, France
*
Corresponding author. Email: Michel.Fontugne@lsce.cnrs-gif.fr.
Corresponding author. Email: Michel.Fontugne@lsce.cnrs-gif.fr.
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Abstract

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Carbon dioxide partial pressure and radiocarbon activity were measured in air and seawater in the Bay of Seine and around the COGEMA-La Hague nuclear reprocessing plant (northwest France) during 3 cruises in 2000 and 2002. Results clearly show that the sea is a source of CO2 and 14C to the atmosphere. High 14C concentrations in air and water related to the La Hague liquid waste are clearly recorded. For the restricted area of the Bay of Seine, CO2 carbon and 14C fluxes were estimated, indicating that less than 3% of the liquid 14C release is introduced in the atmosphere.

Type
Part II
Information
Radiocarbon , Volume 46 , Issue 2: Proceedings of the 18th International Radiocarbon Conference (Part 2 of 2), Conference Editors: Nancy Beavan Athfield, Rodger J Sparks , 2004 , pp. 831 - 839
Copyright
Copyright © The Arizona Board of Regents on behalf of the University of Arizona 

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