Articles | Volume 12, issue 16
https://doi.org/10.5194/bg-12-5103-2015
https://doi.org/10.5194/bg-12-5103-2015
Research article
 | 
28 Aug 2015
Research article |  | 28 Aug 2015

Downward particle flux and carbon export in the Beaufort Sea, Arctic Ocean; the role of zooplankton

J.-C. Miquel, B. Gasser, J. Martín, C. Marec, M. Babin, L. Fortier, and A. Forest

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Cited articles

Amiel, D., Cochran, J. K., and Hirschberg, D. J.: 234Th/238U disequilibrium as an indicator of the seasonal export flux of particulate organic carbon in the North Water, Deep-Sea Res. Pt. II, 49, 5191–5209, 2002.
Andersen, V. and Prieur, L.: One-month study in the open NW Mediterranean Sea (DYNAPROC experiment, May 1995): overview of the hydrobiogeochemical structures and effects of wind events, Deep-Sea Res. Pt. I, 47, 397–422, 2000.
Archer, D., Winguth, A., Lea, D., and Mahowald, N.: What caused the glacial/interglacial atmospheric pCO2 cycles?, Rev. Geophys., 38, 159–189, 2000.
Baskaran, M., Swarzenski, P. W., and Porcelli, D.: Role of colloidal material in the removal of 234Th in the Canada basin of the Arctic Ocean, Deep-Sea Res. Pt. I, 50, 1353–1373, 2003.
Beaumont, K. L., Plummer, A. J., Hosie, G. W., and Ritz, D. A.: Production and fate of faecal pellets during summer in an East Antarctic fjord, Hydrobiologia, 453/454, 55–65, 2001.
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Short summary
POC fluxes obtained in the Eastern Beaufort Sea in August 2009 from drifting sediment traps were low (1-15 mg C m-2d-1), compared to long-term data which show higher but variable fluxes (10-40 mg C m-2d-1). Composition of sinking particles, especially faecal pellets, highlighted the role of the zooplankton community and its trophic structure in the transition of carbon from the productive surface zone to the deep ocean. Carbon flux at this season results from a heterotrophic driven ecosystem.
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