Persistent export of 231Pa from the deep central Arctic Ocean over the past 35,000 years

Sharon S. Hoffmann (), Jerry F. McManus, William B. Curry and L. Susan Brown-Leger
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Sharon S. Hoffmann: Lamont-Doherty Earth Observatory of Columbia University
Jerry F. McManus: Lamont-Doherty Earth Observatory of Columbia University
William B. Curry: Woods Hole Oceanographic Institution
L. Susan Brown-Leger: Woods Hole Oceanographic Institution

Nature, 2013, vol. 497, issue 7451, 603-606

Abstract: Ratios of the radionuclides thorium-230 and protactinium-231 in sediment record ongoing export of 231Pa from the deep central Arctic Ocean and may indicate continuous deep-water exchange between the Arctic and Atlantic oceans throughout the past 35,000 years.

Date: 2013
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DOI: 10.1038/nature12145

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