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Thesis

Variations in past and present ocean circulation assessed with U-series nuclides

Abstract:

This thesis considers the use of two U-series nuclides – 231 Pa and 230 Th – as proxies for studying ocean circulation. A total of six water-column profiles of 231 Pa, 230 Th, and 232 Th have been measured from two regions of the southwestern Indian Ocean: the Madagascar and Mascarene Basins; and the southeastern continental margin of South Africa. Measurement by MC-ICP-MS of 10 litre water samples is possible for samples with as little as 4 and 2 fg of 231 Pa and 230 Th and yields typical u...

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Institution:
University of Oxford
Division:
MPLS
Department:
Earth Sciences
Research group:
Isotopes and the Environment
Oxford college:
Hertford College
Role:
Author
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Division:
MPLS
Department:
Earth Sciences
Role:
Author

Contributors

Division:
MPLS
Department:
Earth Sciences
Role:
Supervisor
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Funding agency for:
Thomas, A
Grant:
NER/S/A/2002/10531
Publication date:
2006
Type of award:
DPhil
Level of award:
Doctoral
Awarding institution:
Oxford University, UK
Language:
English
Keywords:
Subjects:
UUID:
uuid:31d15cab-d817-438b-bba0-551921704fa7
Local pid:
ora:2866
Deposit date:
2009-07-06

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