Features and variability of the Cuban Countercurrent in the Yucatan Basin, Caribbean Sea

The Cuban Countercurrent (CCC), along with the Yucatan Current, forms part of the Yucatan Basin circulation system, but it has not been well described and its connection to the system of currents in the Caribbean Sea has not been studied. Based on altimetry data (1993–2009) and the MERCATOR three-di...

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Autores principales:	Pérez-Santos, Iván, Schneider, Wolfgang, Fernández-Vila, Lázaro
Formato:	info:eu-repo/semantics/article
Lenguaje:	eng
Publicado:	Iniversidad Autónoma de Baja California 2015
Acceso en línea:	https://www.cienciasmarinas.com.mx/index.php/cmarinas/article/view/2434
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id	repositorioinstitucional-20.500.12930-7462
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spelling	repositorioinstitucional-20.500.12930-74622023-05-09T14:30:49Z Features and variability of the Cuban Countercurrent in the Yucatan Basin, Caribbean Sea Variabilidad y características de la contracorriente Cubana en la cuenca de Yucatán, mar Caribe Pérez-Santos, Iván Schneider, Wolfgang Fernández-Vila, Lázaro The Cuban Countercurrent (CCC), along with the Yucatan Current, forms part of the Yucatan Basin circulation system, but it has not been well described and its connection to the system of currents in the Caribbean Sea has not been studied. Based on altimetry data (1993–2009) and the MERCATOR three-dimensional assimilation model (2007–2009), the CCC was observed flowing ~1000 km from the eastern Yucatan Channel to Jamaica and to have a width of ~150 km. Off southern Cuba, the mean velocity was 0.20 m s–1 at the surface and 0.05 m s–1 at 1000 m depth. The CCC transported ~3.5 Sv when it passed through the Yucatan Channel towards the Caribbean Sea, where ~1.6 Sv was recorded south of Cuba. During its annual cycle, the CCC weakened from December to February (0–250 m) and in the summer its magnitude intensified slightly, reaching 0.35 m s–1 in August, due to the increase in water temperature of the Atlantic warm pool. Consequently, the sea level rose in the center of the Yucatan Basin and the pressure gradient increased along the Cuban coast, producing an increase in zonal velocity (0.1 m s–1) and transport (2–3 Sv; r = 0.90). Its connection to the Caribbean current system demonstrated the importance of its study.  La contracorriente Cubana (CCC), junto con la corriente de Yucatán, forma parte del sistema de circulación de la cuenca de Yucatán. Sin embargo, la CCC ha sido poco descrita y se desconoce su conexión con el sistema de corrientes del mar Caribe. Los datos altimétricos (1993–2009) y del modelo tridimensional de asimilación MERCATOR (2007–2009) permitieron observar que la CCC recorrió ~1000 km desde el este del canal de Yucatán hasta Jamaica y tenía un ancho de ~150 km. Al sur de Cuba, la velocidad promedio fue de 0.20 m s–1 en la superficie y de 0.05 m s–1 a 1000 m de profundidad. La CCC transportó ~3.5 Sv cuando pasó por el canal de Yucatán en dirección hacia el mar Caribe, donde se registró un transporte de ~1.6 Sv al sur de Cuba. En el ciclo anual, la CCC se debilitó de diciembre a febrero en la superficie (0–250 m) y en el verano su magnitud se intensificó ligeramente hasta 0.35 m s–1 en agosto, debido al aumento en la temperatura de la alberca de agua cálida del Atlántico. Como consecuencia, el nivel del mar aumentó en el centro de la cuenca de Yucatán y se incrementó el gradiente de presión a lo largo de la costa de Cuba, lo cual produjo un incremento en la velocidad zonal (0.1 m s–1) y el transporte (2–3 Sv; r = 0.90). La conexión de la CCC con el sistema de corrientes del mar Caribe demostró la importancia de su estudió. 2015-03-27 2021-06-03T03:55:22Z 2021-06-03T03:55:22Z info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Peer-reviewed Article Artículo Arbitrado https://www.cienciasmarinas.com.mx/index.php/cmarinas/article/view/2434 10.7773/cm.v41i1.2434 https://hdl.handle.net/20.500.12930/7462 eng https://www.cienciasmarinas.com.mx/index.php/cmarinas/article/view/2434/1548 Copyright (c) 2015 Ciencias Marinas application/pdf Iniversidad Autónoma de Baja California Ciencias Marinas; Vol. 41 No. 1 (2015); 65-83 Ciencias Marinas; Vol. 41 Núm. 1 (2015); 65-83 2395-9053 0185-3880
institution	Repositorio Institucional
collection	DSpace
language	eng
description	The Cuban Countercurrent (CCC), along with the Yucatan Current, forms part of the Yucatan Basin circulation system, but it has not been well described and its connection to the system of currents in the Caribbean Sea has not been studied. Based on altimetry data (1993–2009) and the MERCATOR three-dimensional assimilation model (2007–2009), the CCC was observed flowing ~1000 km from the eastern Yucatan Channel to Jamaica and to have a width of ~150 km. Off southern Cuba, the mean velocity was 0.20 m s–1 at the surface and 0.05 m s–1 at 1000 m depth. The CCC transported ~3.5 Sv when it passed through the Yucatan Channel towards the Caribbean Sea, where ~1.6 Sv was recorded south of Cuba. During its annual cycle, the CCC weakened from December to February (0–250 m) and in the summer its magnitude intensified slightly, reaching 0.35 m s–1 in August, due to the increase in water temperature of the Atlantic warm pool. Consequently, the sea level rose in the center of the Yucatan Basin and the pressure gradient increased along the Cuban coast, producing an increase in zonal velocity (0.1 m s–1) and transport (2–3 Sv; r = 0.90). Its connection to the Caribbean current system demonstrated the importance of its study.
format	info:eu-repo/semantics/article
author	Pérez-Santos, Iván Schneider, Wolfgang Fernández-Vila, Lázaro
spellingShingle	Pérez-Santos, Iván Schneider, Wolfgang Fernández-Vila, Lázaro Features and variability of the Cuban Countercurrent in the Yucatan Basin, Caribbean Sea
author_facet	Pérez-Santos, Iván Schneider, Wolfgang Fernández-Vila, Lázaro
author_sort	Pérez-Santos, Iván
title	Features and variability of the Cuban Countercurrent in the Yucatan Basin, Caribbean Sea
title_short	Features and variability of the Cuban Countercurrent in the Yucatan Basin, Caribbean Sea
title_full	Features and variability of the Cuban Countercurrent in the Yucatan Basin, Caribbean Sea
title_fullStr	Features and variability of the Cuban Countercurrent in the Yucatan Basin, Caribbean Sea
title_full_unstemmed	Features and variability of the Cuban Countercurrent in the Yucatan Basin, Caribbean Sea
title_sort	features and variability of the cuban countercurrent in the yucatan basin, caribbean sea
publisher	Iniversidad Autónoma de Baja California
publishDate	2015
url	https://www.cienciasmarinas.com.mx/index.php/cmarinas/article/view/2434
_version_	1792609724001157120

Features and variability of the Cuban Countercurrent in the Yucatan Basin, Caribbean Sea

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