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DIGITAL.CSIC
Article . 2022 . Peer-reviewed
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Surface circulation patterns above the coastal shelf between El Uno bay and Las Vacas spit, Gulf of Urabá, Colombian Caribbean

Authors: Hernández Morales, Dannys Paola; Romaña Torres, Yorlenys; Jaramillo-Vélez, Alfredo; Pelegrí, Josep L.; Toro, Vladimir G.;

Surface circulation patterns above the coastal shelf between El Uno bay and Las Vacas spit, Gulf of Urabá, Colombian Caribbean

Abstract

[ES] Conocer los patrones de circulación costera es fundamental para gestionar adecuadamente la franja litoral, especialmente en áreas con alta presión antrópica. Con el objetivo de determinar las características de las corrientes costeras en el golfo de Urabá, se midieron y analizaron los patrones estacionales de circulación superficial durante las épocas de mucha y poca lluvia a lo largo de 6 km de costa, entre las espigas litorales de punta de Las Vacas y punta Yarumal del municipio de Turbo, Antioquia. Estas mediciones se realizaron con derivadores superficiales, que fueron lanzados en diversos estadios de la marea y rastreados durante periodos cercanos al ciclo semidiurno. Las mediciones in situ se analizaron considerando la evolución de la marea y los vientos observados en una estación climática ubicada cerca del golfo. Los patrones de circulación mostraron un comportamiento diferente durante las dos estaciones del año. La temporada de mucha lluvia, con vientos del sur, presentó trayectorias hacia el norte y la temporada de poca lluvia, con vientos del norte, las trayectorias fueron hacia el sur. Aunque los patrones de circulación mostraron una fuerte relación con la marea y el viento, las trayectorias de algunos derivadores se modificaron localmente por la presencia de geoformas como las bahías de Turbo y El Uno

[EN] Good knowledge of the coastal circulation patterns is essential for a proper management of the coastline, especially in areas with a high anthropic pressure. In order to determine the main characteristics of the coastal currents in the Gulf of Urabá, the seasonal patterns of surface circulation were measured and analyzed during times of high and low rainfall along 6 km of coastline, between the Punta de Las Vacas and Punta Yarumal coastal spit systems, in the municipality of Turbo, Antioquia. These measurements were made with surface drifters, which were launched at different tide stages and tracked for time periods based on the semi-diurnal cycle. The in-situ measurements were analyzed alongside tide and wind data from a climatic station located near the gulf. The circulation patterns behaved differently depending on the season of the year. In the rainy season, with southerly winds, the drifters moved mainly towards the north while during the dry season, with northerly winds, all the drifters moved to the south. Although the circulation patterns showed a strong relationship with the tidal cycle and wind conditions, the Turbo and El Uno Bays modified some of the drifter’s paths

Part of this research was carried out within the framework of the project “Collaboration for the development of an oceanographic, atmospheric and environmental observatory project for the Gulfs of Darién and Urabá, Colombia”, reference COOPB20337, financed by the State Agency: Consejo Superior de Investigaciones Científicas, Spain (CSIC)

With the institutional support of the ‘Severo Ochoa Centre of Excellence’ accreditation (CEX2019-000928-S)

22 pages, 11 figures, 1 table

Peer reviewed

Country
Spain
Keywords

Surface circulation, Drifters, coastal currents., Coastal currents, Tide, Marea, viento, marea, Wind, drifters, circulación superficial, Viento, tide, Derivadores, wind, Circulación superficial, surface circulation, derivadores, corrientes costeras., Corrientes costeras

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popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
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This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
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