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dc.contributor.authorRao, V.T.
dc.contributor.authorSuneel, V.
dc.contributor.authorGulakaram, V.S.
dc.contributor.authorSravani, C.L.
dc.date.accessioned2024-10-03
dc.date.accessioned2024-10-10T11:45:59Z
dc.date.available2024-04-16
dc.date.available2024-10-10T11:45:59Z
dc.date.issued2024
dc.identifier.citationScientific Reports, vol.14(1); 2024; Article no: 8761
dc.identifier.issn2045-2322
dc.identifier.otherhttps://www.nature.com/articles/s41598-024-58783-4
dc.identifier.urihttps://doi.org/10.1038/s41598-024-58783-4
dc.identifier.urihttp://drs.nio.res.in/drs/handle/2264/9266
dc.descriptionIF2022= 4.6
dc.description.abstractLagrangian Coherent Structures (LCS) are the hidden fluid flow skeletons that provide meaningful information about the Lagrangian circulation. In this study, we computed the monthly climatological LCSs (cLCS) maps utilizing 24 years (1994-2017) of HYbrid Coordinate Ocean Model (HYCOM) currents and ECMWF re-analysis winds in the Bay of Bengal (BoB). The seasonal reversal of winds and associated reversal of currents makes the BoB dynamic. Therefore, we primarily aim to reveal the cLCSs associated with seasonal monsoon currents and mesoscale (eddies) processes over BoB. The simulated cLCS were augmented with the complex empirical orthogonal functions to confirm the dominant lagrangian transport pattern features better. The constructed cLCS patterns show a seasonal accumulation zone and the transport pattern of freshwater plumes along the coastal region of the BoB. We further validated with the satellite imagery of real-time oil spill dispersion and modelled oil spill trajectories that match well with the LCS patterns. In addition, the application of cLCSs to study the transport of hypothetical oil spills occurring at one of the active oil exploration sites (Krishna-Godavari basin) was described. Thus, demonstrated the accumulation zones in the BoB and confirmed that the persistent monthly cLCS maps are reasonably performing well for the trajectory prediction of pollutants such as oil spills. These maps will help to initiate mitigation measures in case of any occurrence of oil spills in the future.
dc.languageen
dc.publisherNature Publishing Group
dc.relation.isreferencedbySCI
dc.rightsOnly the author version of the copright reserved papers uploaded. Contact drs@nio.org for any complaints regarding copyright violations
dc.titleExtraction of persistent lagrangian coherent structures for the pollutant transport prediction in the Bay of Bengal
dc.typeJournal Article
dc.affiliation.authorCSIR-National Institute of Oceanography, Dona Paula, Goa, India


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