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Volume 11, issue 2
The Cryosphere, 11, 707–722, 2017
https://doi.org/10.5194/tc-11-707-2017
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.

Special issue: International Partnerships in Ice Core Sciences (IPICS) Second...

The Cryosphere, 11, 707–722, 2017
https://doi.org/10.5194/tc-11-707-2017
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.

Research article 17 Mar 2017

Research article | 17 Mar 2017

Impact of icebergs on net primary productivity in the Southern Ocean

Shuang-Ye Wu and Shugui Hou

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Altiberg Project: Iceberg Database of the Merged Altimeters, ftp://ftp.ifremer.fr/ifremer/cersat/projects/altiberg/, last access: December 2016.
Arrigo, K. R. and van Dijken, G. L.: Annual cycles of sea ice and phytoplankton in Cape Bathurst polynya, southeastern Beaufort Sea, Canadian Arctic, Geophys. Res. Lett., 31, L08304, https://doi.org/10.1029/2003GL018978, 2004.
Behrenfeld, M. J. and Falkowski, P. G.: Photosynthetic rates derived from satellite-based chlorophyll concentration, Limnol. Oceanogr., 42, 1–20, 1997.
Bromwich, D. H., Nicolas, J. P., Monaghan, A. J., Lazzara, M. A., Keller, L. M., Weidner, G. A., and Wilson, A. B.: Central West Antarctica among the most rapidly warming regions on Earth, Nat. Geosci., 6, 139–145, 2013.
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The primary productivity in the Southern Ocean (SO) is limited by the amount of iron available for biological activities. Recent studies show that icebergs could be a main source of iron to the SO. Based on remote sensing data, our study shows that iceberg presence is associated with elevated levels of ocean productivity, particularly in iron-deficient regions. This impact could serve as a negative feedback to the climate system.
The primary productivity in the Southern Ocean (SO) is limited by the amount of iron available...
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