Please use this identifier to cite or link to this item: http://hdl.handle.net/10553/52754
Title: The Canary Basin contribution to the seasonal cycle of the Atlantic Meridional Overturning Circulation at 26°N
Authors: Perez Hernandez, Maria Dolores 
McCarthy, G. D.
Vélez Belchí,Pedro 
Smeed, D. A.
Fraile Nuez,Eugenio 
Hernandez-Guerra, A. 
UNESCO Clasification: 251007 Oceanografía física
Keywords: AMOC
Canary Basin
Eastern boundary
North Atlantic Subtropical Gyre
RAPID, et al
Issue Date: 2015
Project: Variabilidad Estacional de la Amoc: la Corriente de Canarias 
Journal: Journal of geophysical research. Oceans 
Abstract: This study examines the seasonal cycle of the Atlantic Meridional Overturning Circulation (AMOC) and its eastern boundary contributions. The cycle has a magnitude of 6 Sv, as measured by the RAPID/MOCHA/WBTS project array at 26°N, which is driven largely by the eastern boundary. The eastern boundary variations are explored in the context of the regional circulation around the Canary Islands. There is a 3 month lag between maximum wind forcing and the largest eastern boundary transports, which is explained in terms of a model for Rossby wave generated at the eastern boundary. Two dynamic processes take place through the Lanzarote Passage (LP) in fall: the recirculation of the Canary Current and the northward flow of the Intermediate Poleward Undercurrent. In contrast, during the remaining seasons the transport through the LP is southward due to the Canary Upwelling Current. These processes are linked to the seasonal cycle of the AMOC.
URI: http://hdl.handle.net/10553/52754
ISSN: 2169-9275
DOI: 10.1002/2015JC010969
Source: Journal Of Geophysical Research-Oceans [ISSN 2169-9275], v. 120 (11), p. 7237-7252
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