Using 226Ra and 228Ra isotopes to distinguish water mass distribution in the Canadian Arctic Archipelago

• Published in: Biogeosciences
• Main Authors: Mears, Chantal, Thomas, Helmuth, Henderson, Paul B., Charette, Matthew A., MacIntyre, Hugh, Dehairs, Frank, Monnin, Christophe, Mucci, Alfonso
• Format: Article in Journal/Newspaper
• Language: English
• Published: Copernicus Publications 2020
• Subjects: article; Verlagsveröffentlichung; Arctic; Arctic Ocean; Baffin Bay; Barrow Strait; Canadian Arctic Archipelago; Lancaster Sound; Pacific; Arctic Archipelago; Baffin
• Online Access: https://doi.org/10.5194/bg-17-4937-2020; https://noa.gwlb.de/receive/cop_mods_00054335; https://noa.gwlb.de/servlets/MCRFileNodeServlet/cop_derivate_00053986/bg-17-4937-2020.pdf; https://bg.copernicus.org/articles/17/4937/2020/bg-17-4937-2020.pdf

As a shelf-dominated basin, the Arctic Ocean and its biogeochemistry are heavily influenced by continental and riverine sources. Radium isotopes (226Ra, 228Ra, 224Ra, and 223Ra), are transferred from the sediments to seawater, making them ideal tracers of sediment–water exchange processes and ocean...