Articles | Volume 17, issue 20
https://doi.org/10.5194/bg-17-4937-2020
https://doi.org/10.5194/bg-17-4937-2020
Research article
 | 
16 Oct 2020
Research article |  | 16 Oct 2020

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

Chantal Mears, Helmuth Thomas, Paul B. Henderson, Matthew A. Charette, Hugh MacIntyre, Frank Dehairs, Christophe Monnin, and Alfonso Mucci

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Cited articles

Aagaard, K. and Carmack, E. C.: The role of sea ice and other fresh water in the Arctic circulation, J. Geophys. Res., 94, 14485, https://doi.org/10.1029/JC094iC10p14485, 1989. 
Aagaard, K. and Carmack, E. C.: The Arctic Ocean and Climate: A Perspective, in The Polar Oceans and Their Role in Shaping the Global Environment, Geophys. Monogr. Ser., vol. 85, 5–20, AGU, Washington, D.C., USA, 1994. 
Aagaard, K., Coachman, L. K., and Carmack, E.: On the halocline of the Arctic Ocean, Deep-Sea Res. Pt. A, 28, 529–545, https://doi.org/10.1016/0198-0149(81)90115-1, 1981. 
Bacle, J., Carmack, E. C., and Ingram, R. G.: Water column structure and circulation under the North Water during spring transition: April–July 1998, Deep Sea Res. Part II Top. Stud. Oceanogr., 49(22–23), 4907–4925, https://doi.org/10.1016/S0967-0645(02)00170-4, 2002. 
Bauch, D., Schlosser, P., and Fairbanks, R. G.: Freshwater balance and the sources of deep and bottom waters in the Arctic Ocean inferred from the distribution of H218O, Prog. Oceanogr., 35, 53–80, https://doi.org/10.1016/0079-6611(95)00005-2, 1995. 
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Short summary
Major research initiatives have been undertaken within the Arctic Ocean, highlighting this area's global importance and vulnerability to climate change. In 2015, the international GEOTRACES program addressed this importance by devoting intense research activities to the Arctic Ocean. Among various tracers, we used radium and carbonate system data to elucidate the functioning and vulnerability of the hydrographic regime of the Canadian Arctic Archipelago, bridging the Pacific and Atlantic oceans.
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