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Contribution to the study of thermal waters in Greece: chemical patterns and origin springs of thermal water in the thermal of Lesvos

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dc.contributor.author Lambrakis, NJ en
dc.contributor.author Stamatis, GN en
dc.date.accessioned 2014-06-06T06:48:14Z
dc.date.available 2014-06-06T06:48:14Z
dc.date.issued 2008 en
dc.identifier.issn 0885-6087 en
dc.identifier.uri http://62.217.125.90/xmlui/handle/123456789/4027
dc.subject hydrochemistry en
dc.subject boron isotopes en
dc.subject water radioactivity en
dc.subject.classification Water Resources en
dc.subject.other GEOTHERMOMETER en
dc.subject.other GROUNDWATER en
dc.subject.other VALLEY en
dc.subject.other BORON en
dc.title Contribution to the study of thermal waters in Greece: chemical patterns and origin springs of thermal water in the thermal of Lesvos en
heal.type journalArticle en
heal.language English en
heal.publicationDate 2008 en
heal.abstract The occurrence of thermal/spa waters on Lesvos Island is related to the presence of a major faulting system. Thermal waters are the result of mixing of meteoric and infiltrating seawater at great depth, and their total salinity depends on the percentage of seawater in their composition. According to the diagrams of main elements, trace elements and environmental isotopes, most of the components that determine the chemical composition of thermal waters such as sodium, chloride and sulphates originate from seawaters. On the other hand, the concentration of calcium, magnesium, boron, lithium, etc., was affected by water-rock interaction under high temperature conditions. Moving towards the surface, thermal waters may become polluted by influx of recent seawater, allowing their chemical composition to become similar to that of seawater. The thermal waters of Lesvos Island present relatively high concentrations of ammonia and redox sensitive metals because they are hosted in a reducing environment. They also exhibit low nitrate concentrations due to their mixture with recent fresh water. Finally, they show increased radon concentrations, ranging from 20 to 60 kBq m(-3) in the eastern and southern parts of the island, and about 230 kBq m(-3) in the north, in the area of Eftalou-Argenos. Copyright (c) 2007 John Wiley & Sons, Ltd. en
heal.publisher JOHN WILEY & SONS LTD en
heal.journalName HYDROLOGICAL PROCESSES en
dc.identifier.issue 2 en
dc.identifier.volume 22 en
dc.identifier.isi ISI:000252940000002 en
dc.identifier.spage 171 en
dc.identifier.epage 180 en


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