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Mesoscale eddy variability in the CaribbeanSea
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Abstract
The spatial distribution, the monthly and seasonal variability of mesoscale eddy-observations derived from the AVISO eddy atlas are assessed in the Caribbean Sea for the period between 1993 and 2019 (both included). The average lifetime for the whole set of eddies is 61.8±37.1days, mean amplitude of 7.4±4.2cm for ciclonic and 6.7±3.7cm for anticyclonic and mean radius of99.5±31.2km for cyclonic and108.0±32.4km for anticiclonic. Ciclonic eddies are on average more non-linear than anticiclonic. The spatio-temporal variability in the number of eddy-observations is evaluated against the Mean Eddy KineticEnergy (MEKE) derived from geostrophic currents as well as from seasonal winds. Spatial distribution of eddy-observations are correlated with MEKE while the migration of the intertropical convergence zone explains the advection of eddies towards the southern part of the basin.
DOI
https://doi.org/10.31223/X5XS7C
Subjects
Engineering, Physical Sciences and Mathematics
Keywords
mesoscale eddies, Caribbean Sea, seasonal variability, self-organizing map (SOM), eddy-observation
Dates
Published: 2022-03-03 14:11
Last Updated: 2022-03-03 14:11
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