Radionuclides measured on 27 water bottle profiles during POLARSTERN cruise ANT-XXIV/3, supplement to: Rutgers van der Loeff, Michiel M; Cai, Pinghe; Stimac, Ingrid; Bracher, Astrid; Middag, Rob; Klunder, Maarten B; van Heuven, Steven (2011): 234Th in surface waters: distribution of particle export flux across the Antarctic Circumpolar Current and in the Weddell Sea during the GEOTRACES expedition ZERO and DRAKE. Deep Sea Research Part II: Topical Studies in Oceanography, 58(25-26), 2749-2766

Michiel M Rutgers van der Loeff, Pinghe Cai, Ingrid Stimac, Astrid Bracher, Rob Middag, Maarten B Klunder & Steven van Heuven
As part of the GEOTRACES Polarstern expedition ANT XXIV/3 (ZERO and DRAKE) we have measured the vertical distribution of 234Th on sections through the Antarctic Circumpolar Current along the zero meridian and in Drake Passage and on an EW section through the Weddell Sea. Steady state export fluxes of 234Th from the upper 100m, derived from the depletion of 234Th with respect to its parent 238U, ranged from 621±105 dpm/m**2/d to 1773±90 dpm/m**2/d. This 234Th...
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