A survival analysis of the gulf stream warm core rings

dc.contributor.author Silva, E. Nishchitha S.
dc.contributor.author Gangopadhyay, Avijit
dc.contributor.author Fay, Gavin
dc.contributor.author Welandawe, Manushi K. V.
dc.contributor.author Gawarkiewicz, Glen G.
dc.contributor.author Silver, Adrienne M.
dc.contributor.author Monim, Mahmud-Ul-Hasan
dc.contributor.author Clark, Jenifer
dc.date.accessioned 2021-04-12T20:10:10Z
dc.date.available 2021-04-14T06:18:33Z
dc.date.issued 2020-10-14
dc.description Author Posting. © American Geophysical Union, 2020. This article is posted here by permission of American Geophysical Union for personal use, not for redistribution. The definitive version was published in Journal of Geophysical Research: Oceans 125(10),(2020): e2020JC016507, https://doi.org/10.1029/2020JC016507. en_US
dc.description.abstract Survival of Gulf Stream (GS) warm core rings (WCRs) was investigated using a census consisting of a total of 961 rings formed during the period 1980–2017. Kaplan‐Meier survival probability and Cox hazard proportional models were used for the analysis. The survival analysis was performed for rings formed in four 5° zones between 75° W and 55° W. The radius, latitude, and distance from the shelf‐break of a WCR at formation all had a significant effect on the survival of WCRs. A pattern of higher survival was observed in WCRs formed in Zone 2 (70°–65° W) or Zone 3 (65°–60° W) and then demised in Zone 1 (75°–70° W). Survival probability of the WCRs increased to more than 70% for those formed within a latitude band from 39.5° to 41.5° N. Survival probability is reduced when the WCRs are formed near the New England Seamounts. en_US
dc.description.embargo 2021-04-14 en_US
dc.description.sponsorship We are grateful for financial supports from NOAA (NA11NOS0120038), NSF (OCE‐1851242), SMAST, and UMass Dartmouth. G. G. was supported by NSF under grant OCE‐1851261. en_US
dc.identifier.citation Silva, E. N. S., Gangopadhyay, A., Fay, G., Welandawe, M. K. V., Gawarkiewicz, G., Silver, A. M., Monim, M., & Clark, J. (2020). A survival analysis of the gulf stream warm core rings. Journal of Geophysical Research: Oceans, 125(10), e2020JC016507. en_US
dc.identifier.doi 10.1029/2020JC016507
dc.identifier.uri https://hdl.handle.net/1912/26942
dc.publisher American Geophysical Union en_US
dc.relation.uri https://doi.org/10.1029/2020JC016507
dc.subject Gulf Stream en_US
dc.subject Warm core rings en_US
dc.subject Survival analysis en_US
dc.title A survival analysis of the gulf stream warm core rings en_US
dc.type Article en_US
dspace.entity.type Publication
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