Please use this identifier to cite or link to this item: http://hdl.handle.net/10553/48034
Title: Temporal variability of mass transport in the Canary Current
Authors: Hernández-Guerra, A. 
Machín, F. 
Antoranz, A.
Cisneros-Aguirre, J. 
Gordo, C. 
Marrero-Díaz, A. 
Martínez Marrero, Antonio 
Ratsimandresy, A. W.
Rodríguez-Santana, A. 
Sangrá Inciarte, Pablo 
López-Laazen, F.
Parrilla, G.
Pelegrí Llopart,José Luis 
UNESCO Clasification: 251007 Oceanografía física
Keywords: Phytoplankton Pigment Patterns
Sub-Tropical Gyre
North-Atlantic
Azores Current
Islands Area
Sea-Surface
Circulation
Africa
Boundary
Zone
Issue Date: 2002
Publisher: 0967-0645
Journal: Deep-Sea Research Part II: Topical Studies in Oceanography 
Abstract: The variability of the Canary Current is investigated using bimonthly expandable bathythermograph sections from Gran Canaria Island to the African coast between November 1996 and September 1998. The geostrophic transport of the easternmost branch of the Canary Current is estimated by integrating the thermal wind equation using the layer of neutral density 27.3 (roughly depth) as the layer of no motion. The yearly average geostrophic transport of this branch of the Canary Current is southward. Approximately half of the transport flows through the channel between the islands of Gran Canaria and Fuerteventura, and the other half through the channel between Fuerteventura and the African coast. The total southward geostrophic transport shows significant seasonal variability, ranging from in May to in January, although November is the only month with considerable differences in geostrophic transport between 1996 and 1997. There is seasonal northward transport in both channels, during May in the Gran Canaria–Fuerteventura channel and during November in the Fuerteventura–African coast channel. This seasonal pattern is probably linked to autumn weakening of upwelling in the Canary Islands area and the offshore diversion of this flow at Cape Ghir.
URI: http://hdl.handle.net/10553/48034
ISSN: 0967-0645
DOI: 10.1016/S0967-0645(02)00092-9
Source: Deep-Sea Research Part II: Topical Studies in Oceanography [ISSN 0967-0645] ,v. 49, p. 3415-3426
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