Diagnosis of stream sediment quality and assessment of toxic element contamination sources in East Attica, Greece

Alexakis, D

dc.contributor.author	Alexakis, D	en
dc.date.accessioned	2014-03-01T01:35:30Z
dc.date.available	2014-03-01T01:35:30Z
dc.date.issued	2011	en
dc.identifier.issn	1866-6280	en
dc.identifier.uri	https://dspace.lib.ntua.gr/xmlui/handle/123456789/21088
dc.subject	Arsenic	en
dc.subject	Attica	en
dc.subject	Chromium	en
dc.subject	Contamination degree	en
dc.subject	Greece	en
dc.subject	Stream sediment quality	en
dc.subject.other	Anthropogenic contamination	en
dc.subject.other	Anthropogenic inputs	en
dc.subject.other	Attica	en
dc.subject.other	Contamination degree	en
dc.subject.other	Contamination sources	en
dc.subject.other	Cumulative probabilities	en
dc.subject.other	Drainage basin	en
dc.subject.other	Factor analysis	en
dc.subject.other	Factor scores	en
dc.subject.other	GIS-database	en
dc.subject.other	Greece	en
dc.subject.other	Groundwater quality	en
dc.subject.other	Initial conditions	en
dc.subject.other	Multivariate statistics	en
dc.subject.other	Ni content	en
dc.subject.other	Potentially toxic elements	en
dc.subject.other	Quality standard	en
dc.subject.other	Reaction progress	en
dc.subject.other	Scanning Electron Microscope	en
dc.subject.other	Sediment contamination	en
dc.subject.other	Sediment content	en
dc.subject.other	Spatial relationships	en
dc.subject.other	Stream sediments	en
dc.subject.other	Toxic elements	en
dc.subject.other	Anoxic sediments	en
dc.subject.other	Arsenic	en
dc.subject.other	Catchments	en
dc.subject.other	Chemical analysis	en
dc.subject.other	Chromium	en
dc.subject.other	Contamination	en
dc.subject.other	Groundwater	en
dc.subject.other	Multivariant analysis	en
dc.subject.other	Ore deposit geology	en
dc.subject.other	Ore deposits	en
dc.subject.other	Scanning electron microscopy	en
dc.subject.other	Sedimentology	en
dc.subject.other	Toxic materials	en
dc.subject.other	Water quality	en
dc.subject.other	X ray diffraction	en
dc.subject.other	X ray diffraction analysis	en
dc.subject.other	River pollution	en
dc.subject.other	anthropogenic source	en
dc.subject.other	arsenic	en
dc.subject.other	chromium	en
dc.subject.other	database	en
dc.subject.other	drainage basin	en
dc.subject.other	factor analysis	en
dc.subject.other	fluvial deposit	en
dc.subject.other	GIS	en
dc.subject.other	multivariate analysis	en
dc.subject.other	nickel	en
dc.subject.other	ore deposit	en
dc.subject.other	pollutant source	en
dc.subject.other	sediment analysis	en
dc.subject.other	toxic substance	en
dc.subject.other	water quality	en
dc.subject.other	Attica	en
dc.subject.other	Greece	en
dc.title	Diagnosis of stream sediment quality and assessment of toxic element contamination sources in East Attica, Greece	en
heal.type	journalArticle	en
heal.identifier.primary	10.1007/s12665-010-0807-9	en
heal.identifier.secondary	http://dx.doi.org/10.1007/s12665-010-0807-9	en
heal.language	English	en
heal.publicationDate	2011	en
heal.abstract	Diagnosis of stream sediment quality, multivariate statistics and GIS database proved successful tools for assessing As, Cr and other potentially toxic element contamination in East Attica region. Stream sediments are mixtures of sediments, soils and rocks from the drainage basin upstream of the collection site. Stream sediment quality can be used as initial condition in reaction progress calculations to predict the groundwater quality. The type of methodology used in this study consists of chemical analysis, pH evaluation, X-ray diffraction analysis, scanning electron microscope analysis, cumulative probability plots, factor analysis, GIS database and comparison of the sediment contents with quality standards and levels recorded in the literature and quantification of sediment contamination. Relationships between various elements have been identified from factor analysis and reflect genetic associations. A GIS elaboration showed the spatial relationship between high positive factor scores and presence of ore deposits and anthropogenic contamination. There is both natural and anthropogenic input of As in East Attica streams. High Cr and Ni contents in East Attica stream sediments constitute a natural case of contamination. The contamination degree in East Attica streams follows the order: Keratea-Lavrio > Keratea-Artemis > Rafina > Erasinos. © 2010 Springer-Verlag.	en
heal.publisher	SPRINGER	en
heal.journalName	Environmental Earth Sciences	en
dc.identifier.doi	10.1007/s12665-010-0807-9	en
dc.identifier.isi	ISI:000292043100018	en
dc.identifier.volume	63	en
dc.identifier.issue	6	en
dc.identifier.spage	1369	en
dc.identifier.epage	1383	en