Articles | Volume 11, issue 3
Ocean Sci., 11, 361–371, 2015
https://doi.org/10.5194/os-11-361-2015
Ocean Sci., 11, 361–371, 2015
https://doi.org/10.5194/os-11-361-2015

Research article 12 May 2015

Research article | 12 May 2015

Eddy characteristics in the South Indian Ocean as inferred from surface drifters

S. Zheng et al.

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Short summary
Eddies in the South Indian Ocean (SIO) were statistically investigated based on 2082 surface drifters, and 19252 eddies were identified with 60% anticyclonic eddies. Mesoscale and submesoscale eddies show different spatial distributions. Large eddies mainly appear in regions with large eddy kinetic energy. The submesoscale anticyclonic eddies are densely distributed in the subtropical basin in the central SIO. The number of mesoscale eddies shows statistically significant seasonal variability.