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Title: Cape Verde Frontal Zone in summer 2017: Lateral transports of mass, dissolved oxygen and inorganic nutrients
Authors: Burgoa Gregorio, Nadia 
Machín, Francisco 
Rodríguez-Santana, Ángel 
Marrero Díaz, Ángeles 
Álvarez-Salgado, Xosé Antón
Fernández-Castro, Bieito
Gelado-Caballero, María Dolores 
Arístegui, Javier 
UNESCO Clasification: 2510 Oceanografía
Issue Date: 2021
Project: Flujos de Carbono en Un Sistema de Afloramiento Costero (Cabo Blanco, Nw de África); Modulación A Submesoscala de la Producción, Exportación y Consumo de Carbono 
e-IMPACT (PID2019-109084RB-C2)
Journal: Ocean Science 
Abstract: The circulation patterns in the confluence of the North Atlantic subtropical and tropical gyres delimited by the Cape Verde Front (CVF) were examined during a field cruise in summer 2017. We collected hydrographic data, dissolved oxygen (O2) and inorganic nutrients along the perimeter of a closed box embracing the Cape Verde Frontal Zone (CVFZ). The detailed spatial (horizontal and vertical) distribution of water masses, O2 and inorganic nutrients in the CVF was analyzed, allowing for the independent estimation of the transports of these properties in the subtropical and tropical domains down to 2000gm. Overall, at surface and central levels, a net westward transport of 3.76gSv was observed, whereas at intermediate levels, a net 3gSv transport northward was obtained. We observed O2 and inorganic nutrient imbalances in the domain consistent with O2 consumption and inorganic nutrient production by organic matter remineralization, resulting in a net transport of inorganic nutrients to the ocean interior by the circulation patterns.
ISSN: 1812-0784
DOI: 10.5194/os-17-769-2021
Source: Ocean Science [ISSN 1812-0784], v. 17 (3), p. 769-788, (Junio 2021)
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