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Title: Bomb fall-out 236U as a global oceanic tracer using an annually resolved coral core.
Authors: Winkler, SR
Steler, P
Carilli, JE
Keywords: Nuclear explosions
Global fallout
Uranium 236
Mass spectroscopy
Issue Date: 15-Dec-2012
Publisher: Elsevier
Citation: Winkler, S. R., Steler, P., & Carilli, J. (2012). Bomb fall-out 236U as a global oceanic tracer using an annually resolved coral core. Earth and Planetary Science Letters, 359-360, 124-130. doi:10.1016/j.epsl.2012.10.004
Abstract: Anthropogenic 236U (t½=23.4 My) is an emerging isotopic ocean tracer with interesting oceanographic properties, but only with recent advances in accelerator mass spectrometry techniques is it now possible to detect the levels from global fall-out of nuclear weapons testing across the water column. To make full use of this tracer, an assessment of its input into the ocean over the past decades is required. We captured the bomb-pulse of 236U in an annually resolved coral core record from the Caribbean Sea. We thereby establish a concept which gives 236U great advantage – the presence of reliable, well-resolved chronological archives. This allows studies of not only the present distribution pattern, but gives access to the temporal evolution of 236U in ocean waters over the past decades. © 2012, Elsevier Ltd.
Gov't Doc #: 4745
ISSN: 0012-821X
Appears in Collections:Journal Articles

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