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Volume 13, issue 8
Biogeosciences, 13, 2563–2578, 2016
https://doi.org/10.5194/bg-13-2563-2016
© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.

Special issue: Catastrophic reduction of sea ice in the Arctic Ocean...

Biogeosciences, 13, 2563–2578, 2016
https://doi.org/10.5194/bg-13-2563-2016
© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.

Research article 29 Apr 2016

Research article | 29 Apr 2016

Water mass characteristics and their temporal changes in a biological hotspot in the southern Chukchi Sea

Shigeto Nishino et al.

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Aoyama, M. and Hydes, D. J.: How do we improve the comparability of nutrient measurements?, in: Comparability of Nutrients in the World's Ocean, edited by: Aoyama, M., Dickson, A. G., Hydes, D. J., Murata, A., Oh, J. R., Roose, P., and Woodward E. M. S., Mother Tank, Tsukuba, Japan, 1–10, 2010.
Ardyna, M., Babin, M., Gosselin, M., Devred, E., Bélanger, S., Matsuoka, A., and Tremblay, J.-É.: Parameterization of vertical chlorophyll a in the Arctic Ocean: impact of the subsurface chlorophyll maximum on regional, seasonal, and annual primary production estimates, Biogeosciences, 10, 4383–4404, https://doi.org/10.5194/bg-10-4383-2013, 2013.
Ardyna, M., Babin, M., Gosselin, M., Devred, E., Rainville, L., and Tremblay, J.-É.: Recent Arctic Ocean sea ice loss triggers novel fall phytoplankton blooms, Geophys. Res. Lett., 41, 6207–6212, https://doi.org/10.1002/2014GL061047, 2014.
Arrigo, K. R. and van Dijken, G. L.: Continued increases in Arctic Ocean primary production, Prog. Oceanogr., 136, 60–70, https://doi.org/10.1016/j.pocean.2015.05.002, 2015.
Arrigo, K. R., van Dijken, G. L., and Pabi, S.: Impact of a shrinking Arctic ice cover on marine primary production, Geophys. Res. Lett., 35, L19603, https://doi.org/10.1029/2008GL035028, 2008.
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We analysed mooring and ship-based data obtained from a biological hotspot in the southern Chukchi Sea. Mooring data were collected for the first time in this site and were captured during spring and autumn blooms with high chlorophyll a concentrations. The data suggest that a dome-like structure of the bottom water and nutrient regeneration at the bottom play important roles in maintaining the autumn bloom of the biological hotspot.
We analysed mooring and ship-based data obtained from a biological hotspot in the southern...
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