Radionuclides in the Weddell Sea, supplement to: Rutgers van der Loeff, Michiel M (1994): 228Ra and 228Th in the Weddell Sea. In: Johannessen, O M; Muench, R D & Overland, J E (eds.), The polar oceans and their role in shaping the global environment. Geophysical Monograph Series, American Geophysical Union, 540 pages, ISBN 0-87590-042-9, 85, 177-186

Michiel M Rutgers van der Loeff
228Ra and its granddaughter 228Th were measured on a N-S transect from 45's to the Antarctic continent across the Antarctic Circumpolar Current (ACC) and the Weddell Sea. The distributions of 230Th, 228Th and 228Ra show that southward transport across the ACC of Circumpolar Deep Water (CDW), the source of Warm Deep Water (WDW) in the Weddell Sea, occurs on a time scale between 8 and 30 years, in qualitative agreement with estimates of the upwelling...
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