Articles | Volume 14, issue 1
Ocean Sci., 14, 1–13, 2018

Special issue: Climate–carbon–cryosphere interactions in the...

Ocean Sci., 14, 1–13, 2018

Research article 02 Jan 2018

Research article | 02 Jan 2018

Bathymetry and oceanic flow structure at two deep passages crossing the Lomonosov Ridge

Göran Björk et al.

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Cited articles

Aksenov, Y., Ivanov, V. V., Nurser, A. J. G., Bacon, S., Polyakov, I. V., Coward, A. C., Naveira-Garabato, A. C., and Beszczynska-Moeller, A.: The Arctic Circumpolar Boundary Current, J. Geophys. Res., 116, C09017,, 2011. 
Biastoch, A., Treude, T., Rüpke, L. H., Riebesell, U., Roth, C., Burwicz, E. B., Park, W., Latif, M., Böning, C. W., Madec, G., and Wallmann, K.: Rising Arctic Ocean temperatures cause gas hydrate destabilization and ocean acidification, Geophys. Res. Lett., 38, L08602,, 2011. 
Björk, G., Jakobsson, M., Rudels, B., Swift, J. H., Anderson, L., Darby, D. A., Backman, J., Coakley, B., Winsor, P., Polyak, L., and Edwards, M.: Bathymetry and deep-water exchange across the central Lomonosov Ridge at 88–89 N, Deep-Sea Res. I, 54, 1197–1208, 2007. 
Björk, G., Anderson, L., Jakobsson, M., Antony, D., Eriksson, P. B., Eriksson, B., Hell, B., Hjalmarsson, S., Janzen, T., Jutterström, S., Linders, J., Löwemark, L., Marcussen, C., Olsson, K. A., Rudels, B., Sellén, E., and Sølvsten, M.: Flow of Canadian Basin Deep Water in the Western Eurasian Basin of the Arctic Ocean, Deep-Sea Res. I, 57, 577–586,, 2010. 
Short summary
This study presents detailed bathymetric data along with hydrographic data at two deep passages across the Lomonosov Ridge in the Arctic Ocean. The southern channel is relatively smooth with a sill depth close to 1700 m. Hydrographic data reveals an eastward flow in the southern part and opposite in the northern part. The northern passage is characterized by a narrow and steep ridge with a sill depth of 1470 m. Here, water exchange appears to occur in well-defined but irregular vertical layers.