234Th dynamics during a late spring phytoplankton bloom in the eastern Weddell Sea: a high temporal resolution study


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tbrey [ at ] awi-bremerhaven.de

Abstract

234Th is a naturally occurring radionuclide constantly produced in sea water by its soluble parent 238U. Due to its high reactivity to particles and relatively short half-life (T1/2 = 24.1 days), 234Th is used as an effective and suitable proxy for describing biogeochemical processes occurring over timescales of days to weeks in the upper water column.In a rapidly changing environment, akin to the water column during the Antarctic spring-summer transition, a study of short timescale alterations of the 234Th/238U equilibrium can significantly improve the understanding of the forces driving exceptional events such as an incipient phytoplankton bloom



Item Type
Conference (Poster)
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Peer revision
Not peer-reviewed
Publication Status
Published
Event Details
XXVIII SCAR Open Science Conference, 26-28 July, Bremen, Germany..
Eprint ID
10935
Cite as
Rodriguez y Baena, A. M. , Masqué, P. , Miquel, J. C. , Isla, E. , La Rosa, J. , Azemard, S. , Wyse, E. and Brey, T. (2004): 234Th dynamics during a late spring phytoplankton bloom in the eastern Weddell Sea: a high temporal resolution study , XXVIII SCAR Open Science Conference, 26-28 July, Bremen, Germany. .


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