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dc.contributor.authorDeshpande, R.D.
dc.contributor.authorMuraleedharan, P.M.
dc.contributor.authorSingh, R.L.
dc.contributor.authorKumar, B.
dc.contributor.authorRao, M.S.
dc.contributor.authorDave, M.
dc.contributor.authorSivakumar, K.U.
dc.contributor.authorGupta, S.K.
dc.date.accessioned2013-12-10T05:55:49Z
dc.date.available2013-12-10T05:55:49Z
dc.date.issued2013
dc.identifier.citationMarine Chemistry, vol.157; 2013; 144-161
dc.identifier.urihttp://drs.nio.org/drs/handle/2264/4403
dc.description.abstractIsotopic compositions ( delta<sup>18O</sup> and deltaD) and salinity (S) of 683 surface water samples from the Arabian Sea (AS) collected during 2008–2010, were measured to understand the factors controlling the spatio-temporal distribution of these parameters. From the distributions of delta<sup>18O</sup> and salinity (S), and the relationships between delta<sup>18O</sup>– deltaD and delta<sup>18O</sup>–S, the following inferences have been drawn: (1) there is a broad correspondence between the geographic distributions of the delta<sup>18O</sup> and S; (2) in spite of a large scatter, a statistically significant delta<sup>18O</sup>–S relationship can be identified in much of the investigated part of the AS; (3) the delta<sup>18O</sup>– deltaD regression line for all samples clumped together has a slope of 3.2 (± 0.16), much lower than that (7.37) for the global ocean surface water line (GOSWL), which in the case of the AS is seen only for samples with salinity < 34; (4) the linear relationship between delta<sup>18O</sup> and deltaD breaks down completely in the months of March–May; (5) contrary to the adjoining Bay of Bengal (BOB), both delta<sup>18O</sup> and S progressively increase from the equator northwards; (6) the delta<sup>18O</sup>– deltaD and the delta<sup>18O</sup>–d-excess relationships indicate strong kinetic fractionation due to evaporation from surface waters of the AS throughout the year, with enhancement during summer months.
dc.language.isoen
dc.publisherElsevier
dc.rightsAn edited version of this paper was published by Elsevier. Copyright [2013] Elsevier
dc.subjectgeographical distribution
dc.subjecttemporal distribution
dc.subjectsalinity
dc.subjectoxygen isotopes
dc.titleSpatio-temporal distributions of delta<sup>18</sup>O, delta D and salinity in the Arabian Sea: Identifying processes and controls
dc.typeJournal Article


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