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dc.contributor.authorKatsaounos, C. Z.en
dc.contributor.authorGiokas, D. L.en
dc.contributor.authorLeonardos, I. D.en
dc.contributor.authorKarayannis, M. I.en
dc.date.accessioned2015-11-24T16:47:42Z-
dc.date.available2015-11-24T16:47:42Z-
dc.identifier.issn0043-1354-
dc.identifier.urihttps://olympias.lib.uoi.gr/jspui/handle/123456789/9224-
dc.rightsDefault Licence-
dc.subjectexplanatory data analysisen
dc.subjectfractionationen
dc.subjectphosphorusen
dc.subjectriver sedimentsen
dc.subjectspeciationen
dc.subjectmultivariate chemometricsen
dc.subjectphosphate fractionsen
dc.subjecttemporal variationsen
dc.subjectsoil-phosphorusen
dc.subjectwater-qualityen
dc.subjectbed-sedimentsen
dc.subjectlakeen
dc.subjectformsen
dc.subjectreleaseen
dc.subjectdiscriminationen
dc.titleSpeciation of phosphorus fractionation in river sediments by explanatory data analysisen
heal.typejournalArticle-
heal.type.enJournal articleen
heal.type.elΆρθρο Περιοδικούel
heal.identifier.primaryDOI 10.1016/j.watres.2006.10.028-
heal.identifier.secondary<Go to ISI>://000244108500016-
heal.identifier.secondaryhttp://ac.els-cdn.com/S0043135406005872/1-s2.0-S0043135406005872-main.pdf?_tid=2898545c-349d-11e3-a05c-00000aab0f6b&acdnat=1381733714_0aad4b64987e724294c687fae9f6eb52-
heal.languageen-
heal.accesscampus-
heal.recordProviderΠανεπιστήμιο Ιωαννίνων. Σχολή Θετικών Επιστημών. Τμήμα Χημείαςel
heal.publicationDate2007-
heal.abstractThis article investigates the controls on sediment phosphorus (P) speciation dynamics as a function of its fractionation into chemically defined operational pools along a river continuum. A total of 27 variables were analyzed in bed sediment samples collected for one year from six sampling points, along a 75 km river continuum (Louros River, NW Greece). Multivariate explanatory analysis of the complex experimental data matrix was performed in order to unravel the spatial pattern of P speciation. Non-parametric examinations were also applied in order to elucidate the temporal variations encountered in the speciation of P. The results suggest that inorganic P species control P bioavailability in space and time. Organic P was found to be very reactive among the various fractions thus changing its bioavailability but exhibited no temporal variation. The utility of the proposed approach in the differentiation of natural and anthropogenic P inputs and their classification to point and non-point sources is demonstrated presenting a significant improvement compared to mere fractionation analysis. (c) 2006 Elsevier Ltd. All rights reserved.en
heal.publisherElsevieren
heal.journalNameWater Resen
heal.journalTypepeer reviewed-
heal.fullTextAvailabilityTRUE-
Appears in Collections:Άρθρα σε επιστημονικά περιοδικά ( Ανοικτά). ΧΗΜ

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