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Topological Feature Tracking for Submesoscale Eddies

Publication ,  Journal Article
Voisin, S; Hineman, J; Polly, JB; Koplik, G; Ball, K; Bendich, P; D‘Addezio, J; Jacobs, GA; Özgökmen, T
Published in: Geophysical Research Letters
October 28, 2022

Current state-of-the art procedures for studying modeled submesoscale oceanographic features have made a strong assumption of independence between features identified at different times. Therefore, all submesoscale eddies identified in a time series were studied in aggregate. Statistics from these methods are illuminating but oversample identified features and cannot determine the lifetime evolution of the transient submesoscale processes. To this end, the authors apply the Topological Feature Tracking (TFT) algorithm to the problem of identifying and tracking submesoscale eddies over time. TFT identifies critical points on a set of time-ordered scalar fields and associates those points between consecutive timesteps. The procedure yields tracklets which represent spatio-temporal displacement of eddies. In this way we study the time-dependent behavior of submesoscale eddies, which are generated by a 1-km resolution submesoscale-permitting model. We summarize the submesoscale eddy data set produced by TFT, which yields unique, time-varying statistics.

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Published In

Geophysical Research Letters

DOI

EISSN

1944-8007

ISSN

0094-8276

Publication Date

October 28, 2022

Volume

49

Issue

20

Related Subject Headings

  • Meteorology & Atmospheric Sciences
 

Citation

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Voisin, S., Hineman, J., Polly, J. B., Koplik, G., Ball, K., Bendich, P., … Özgökmen, T. (2022). Topological Feature Tracking for Submesoscale Eddies. Geophysical Research Letters, 49(20). https://doi.org/10.1029/2022GL099416
Voisin, S., J. Hineman, J. B. Polly, G. Koplik, K. Ball, P. Bendich, J. D‘Addezio, G. A. Jacobs, and T. Özgökmen. “Topological Feature Tracking for Submesoscale Eddies.” Geophysical Research Letters 49, no. 20 (October 28, 2022). https://doi.org/10.1029/2022GL099416.
Voisin S, Hineman J, Polly JB, Koplik G, Ball K, Bendich P, et al. Topological Feature Tracking for Submesoscale Eddies. Geophysical Research Letters. 2022 Oct 28;49(20).
Voisin, S., et al. “Topological Feature Tracking for Submesoscale Eddies.” Geophysical Research Letters, vol. 49, no. 20, Oct. 2022. Scopus, doi:10.1029/2022GL099416.
Voisin S, Hineman J, Polly JB, Koplik G, Ball K, Bendich P, D‘Addezio J, Jacobs GA, Özgökmen T. Topological Feature Tracking for Submesoscale Eddies. Geophysical Research Letters. 2022 Oct 28;49(20).
Journal cover image

Published In

Geophysical Research Letters

DOI

EISSN

1944-8007

ISSN

0094-8276

Publication Date

October 28, 2022

Volume

49

Issue

20

Related Subject Headings

  • Meteorology & Atmospheric Sciences