Articles | Volume 13, issue 16
https://doi.org/10.5194/bg-13-4659-2016
https://doi.org/10.5194/bg-13-4659-2016
Research article
 | 
19 Aug 2016
Research article |  | 19 Aug 2016

Inorganic carbon cycling and biogeochemical processes in an Arctic inland sea (Hudson Bay)

William J. Burt, Helmuth Thomas, Lisa A. Miller, Mats A. Granskog, Tim N. Papakyriakou, and Leah Pengelly

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Cited articles

AMAP: AMAP Assessment 2013: Arctic Ocean Acidification, Arctic Monitoring and Assessment Programme (AMAP), Oslo, Norway, 99 pp., 2013.
Azetsu-Scott, K., Starr, M., Mei, Z.-P., and Granskog, M.: Low calcium carbonate saturation state in an Arctic inland sea having large and varying fluvial inputs: The Hudson Bay system, J. Geophys. Res.-Oceans, 119, 6210–6220, https://doi.org/10.1002/2014JC009948, 2014.
Burt, W. J., Thomas, H., Hagens, M., Pätsch, J., Clargo, N. M., Salt, L. A., Winde, V., and Böttcher, M. E.: Carbon Sources in the North Sea Evaluated by means of Radium and Stable Carbon Isotope Tracers, Limnol. Oceanogr., 61, 666–683, https://doi.org/10.1002/lno.10243, 2016.
Chierici, M. and Fransson, A.: Calcium carbonate saturation in the surface water of the Arctic Ocean: undersaturation in freshwater influenced shelves, Biogeosciences, 6, 2421–2431, https://doi.org/10.5194/bg-6-2421-2009, 2009.
Cooper, L. W., McClelland, J. W., Holmes, R. M., Raymond, P. A., Gibson, J. J., Guay, C. K., and Peterson, B. J.: Flow-weighted values of runoff tracers (δ18O, DOC, Ba, alkalinity) from the six largest Arctic rivers, Geophys. Res. Lett., 35, L18606, https://doi.org/10.1029/2008GL035007, 2008.
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This study assesses the state of the carbon cycle in Hudson Bay, an ecologically important region of the Canadian Arctic. Results show that river input, sea-ice melt, biological activity, and general circulation patterns all have significant, and regionally dependent, impacts on the carbon cycle. The study also highlights the importance of detailed sampling procedures in highly stratified waters, and reveals that the deep Hudson Bay is primarily filled with waters of Pacific origin.
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