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  Contribution of oxygen minimum zone waters to the coastal upwelling off Mauritania

Glessmer, M. S., Eden, C., & Oschlies, A. (2009). Contribution of oxygen minimum zone waters to the coastal upwelling off Mauritania. PROGRESS IN OCEANOGRAPHY, 83(1-4), 143-150. doi:10.1016/j.pocean.2009.07.015.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0017-CE99-A Version Permalink: http://hdl.handle.net/11858/00-001M-0000-0018-D935-7
Genre: Journal Article

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 Creators:
Glessmer, Mirjam S.1, Author
Eden, Carsten2, Author              
Oschlies, Andreas1, Author
Affiliations:
1external, ou_persistent22              
2B 3 - Marine and Coastal Systems, Research Area B: Climate Manifestations and Impacts, The CliSAP Cluster of Excellence, External Organizations, ou_1863483              

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Free keywords: OCEAN CIRCULATION; NORTHWEST AFRICA; EASTERN BOUNDARY; SEA-SURFACE; ATLANTIC; CYCLE; MODEL; AREA
 Abstract: The coastal upwelling off Mauritania and its connection with the oxygen minimum zone (OMZ) in the tropical Atlantic is investigated in an eddy-resolving general circulation model. Two main supply routes for the upwelling are identified. First a southern eastward pathway crossing 23 degrees W between 3 degrees N and 10 degrees N related to the equatorial zonal current system supplies up to 50% of the water upwelled in winter, and about 30% in summer. Second, another eastward pathway crossing 23 degrees W further north between 28 degrees N and 38 degrees N supplies 35% of the upwelled water in spring compared to 25% during the rest of the year. Most of the water of the northern pathway is entrained into the mixed layer already before reaching the upwelling region. Only the southern pathway contributes not recently ventilated waters to the upwelling. The connection with the OMZ is very weak, only about 1% of the upwelling waters originate here. On the other hand, if water from the OMZ reaches the surface mixed layer within 6 years, this mostly (71%) happens in the upwelling region. (C) 2009 Elsevier Ltd. All rights reserved.

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Language(s): eng - English
 Dates: 2009
 Publication Status: Published in print
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: Peer
 Degree: -

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Title: PROGRESS IN OCEANOGRAPHY
Source Genre: Journal
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Pages: - Volume / Issue: 83 (1-4) Sequence Number: - Start / End Page: 143 - 150 Identifier: ISSN: 0079-6611