Winter to summer oceanographic observations in the Arctic Ocean north of Svalbard.

Meyer, Amelie, Sundfjord, Arild, Fer, Ilker, Provost, Christine, Villacieros Robineau, Nicolas, Koenig, Zoe, Onarheim, Ingrid H., Smedsrud, Lars H., Duarte, Pedro, Dodd, Paul A., Graham, Robert M., Schmidtko, Sunke and Kauko, Hanna M. (2017) Winter to summer oceanographic observations in the Arctic Ocean north of Svalbard. Open Access Journal of Geophysical Research: Oceans, 122 (8). pp. 6218-6237. DOI 10.1002/2016JC012391.

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Oceanographic observations from the Eurasian Basin north of Svalbard collected between January and June 2015 from the N-ICE2015 drifting expedition are presented. The unique winter observations are a key contribution to existing climatologies of the Arctic Ocean, and show a ∼100 m deep winter mixed layer likely due to high sea ice growth rates in local leads. Current observations for the upper ∼200 m show mostly a barotropic flow, enhanced over the shallow Yermak Plateau. The two branches of inflowing Atlantic Water are partly captured, confirming that the outer Yermak Branch follows the perimeter of the plateau, and the inner Svalbard Branch the coast. Atlantic Water observed to be warmer and shallower than in the climatology, is found directly below the mixed layer down to 800 m depth, and is warmest along the slope, while its properties inside the basin are quite homogeneous. From late May onwards, the drift was continually close to the ice edge and a thinner surface mixed layer and shallower Atlantic Water coincided with significant sea ice melt being observed.

Document Type: Article
Funder compliance: info:eu-repo/grantAgreement/EC/FP7/603887
Keywords: N-ICE2015 Arctic winter; Yermak Plateau;
Research affiliation: OceanRep > GEOMAR > FB1 Ocean Circulation and Climate Dynamics > FB1-PO Physical Oceanography
Refereed: Yes
Open Access Journal?: No
DOI etc.: 10.1002/2016JC012391
ISSN: 2169-9275
Related URLs:
Projects: ICE-ARC
Date Deposited: 14 Aug 2017 13:16
Last Modified: 06 Feb 2020 09:17

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