Home > Explore Data & Reports > The dynamics of Cuba Anticyclones (CubANs) and interaction with the Loop Current/Florida Current system

Citation:

Kourafalou, V., Y. Androulidakis, M. Le Henaff, and H.S. Kang. 2017. The dynamics of Cuba Anticyclones (CubANs) and interaction with the Loop Current/Florida Current system. Journal of Geophysical Research: Oceans, 122(10):7897-7923. https://doi.org/10.1002/2017JC012928

Data/Report Type:

Sponsored Research

Description

Mesoscale anticyclonic eddies along the northern Cuban coast (CubANs) have been identified in the Straits of Florida, associated with the northward shift of the Florida Current (FC) and the anticyclonic curvature of the Loop Current (LC) at the western entrance of the Straits. The dynamics of CubAN eddies and their interaction with the LC/FC system are described for the first time using satellite, drifter and buoy data, and a high‐resolution model. It is shown that the evolution of CubANs to the south of the FC front complements the evolution of cyclonic eddies to the north of the FC, advancing previous studies on synergy between FC meandering and eddy activity. Two types of CubAN eddies are characterized: (a) a main anticyclonic cell (type “A”) within the core of the LC during retracted phase conditions, associated with the process of LC Eddy (LCE) shedding from an extended LC, and (b) an individual, distinct anticyclonic eddy that is released from the main LC core and is advected eastward, along the northern Cuban coast (type “B”). There are also mixed cases, when the process of LCE shedding has started, so a type “A” CubAN is being formed, in the presence of one or more eastward progressing type “B” eddies. CubAN evolution is associated with an increased mixed layer and weaker stratification of the upper ocean along the eddy’s track. The cyclonic activity along the Cuban coast and wind‐induced upwelling events also contribute to the evolution and fate of the CubAN eddies.

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