Please use this identifier to cite or link to this item: http://hdl.handle.net/2122/2503
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dc.contributor.authorallManno, E.; Dipartimento di Chimica e Fisica della Terra (C.F.T.A.), Università di Palermoen
dc.contributor.authorallVassallo, M.; Dipartimento di Chimica e Fisica della Terra (C.F.T.A.), Università di Palermoen
dc.contributor.authorallVarrica, D.; Dipartimento di Chimica e Fisica della Terra (C.F.T.A.), Università di Palermoen
dc.contributor.authorallDongarrà, G.; Dipartimento di Chimica e Fisica della Terra (C.F.T.A.), Università di Palermoen
dc.contributor.authorallHauser, S.; Istituto Nazionale di Geofisica e Vulcanologia, Sezione Palermo, Palermo, Italiaen
dc.date.accessioned2007-09-19T08:51:14Zen
dc.date.available2007-09-19T08:51:14Zen
dc.date.issued2006en
dc.identifier.urihttp://hdl.handle.net/2122/2503en
dc.description.abstractIn the study area physical and chemical factors control the composition of surface and groundwaters, which in turn determine the water quality of the “Biviere di Gela” lake. These factors combine to create diverse water types which change their compositional character spatially as rainfall infiltrates the soil zone, moves down a topographically defined flow path, and interacts with bedrock minerals. Low-salinity waters, which represent the initial stage of underground circulation, start dissolving calcium carbonate from the local rocks. The progressive increase in salinity, characterized by substantially higher Ca, SO4, Na and Cl concentrations, suggests that dissolution of CaSO4 and NaCl is an important process during water–rock interactions. The “Biviere di Gela” lake is often separated into two units (Lago Grande and Lago Piccolo). “Lago Grande” water is generally of Na-SO4-Cl-type, whereas “Lago Piccolo” water is of Na-Cl-SO4-type. Their total content of dissolved salts varies with season, the amount of rainfall, and inflow of ground and drainage water. Over time, an increasing trend towards greater salinity and also sudden changes in the relative abundances of Cl and SO4 have been recorded for the “Lago Grande.” The isotope composition of the lake water appears to be affected by inflow of ground and surface waters and also by evaporative loss. The nitrate content of waters from the recharge basin is of particular concern because it contributes to lake eutrophication. The trace element contents do not evidence the presence of any significant metal contamination of lake waters, although a future potential hazard of metals bioaccumulation by the aquatic biota must be taken into consideration. Finally, a water balance for the basin shows that a drop in precipitation of about 20% might be critical for lake survival.en
dc.language.isoEnglishen
dc.publisher.nameSpringeren
dc.relation.ispartofWater, Air and Soil Pollutionen
dc.subjectwetland areaen
dc.subjecthydrogeochemistryen
dc.subjectenvironmental geochemistryen
dc.subjectisotope geochemistryen
dc.subjectwater balanceen
dc.titleHydrogeochemistry and water balance in the coastal wetland area of "Biviere di Gela" (Italy)en
dc.typearticleen
dc.description.statusPublisheden
dc.type.QualityControlPeer-revieweden
dc.subject.INGV03. Hydrosphere::03.02. Hydrology::03.02.02. Hydrological processes: interaction, transport, dynamicsen
dc.identifier.doi10.1007/s11270-006-9189-8en
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Savin (Eds.), Climate Change in Continental Isotopic Records (pp. 1–36), Geophysical Monograph 78, American Geophysical Union. Servizio Idrografico del Genio Civile. Annali idrologici Parte II, Regione Siciliana Ed. Palermo, (1980–2000) http:// www.uirsicilia.it/. Tennant, C. B., & White, M. L. (1959). Study of the distribution of some geochemical data. Economic Geology, 54, 1281–1290. Thornthwaite, C. W. (1948). An approach towards a rational classification of climate. Geographical Review, 38, 85–94.en
dc.description.journalTypeJCR Journalen
dc.description.fulltextreserveden
dc.contributor.authorManno, E.en
dc.contributor.authorVassallo, M.en
dc.contributor.authorVarrica, D.en
dc.contributor.authorDongarrà, G.en
dc.contributor.authorHauser, S.en
dc.contributor.departmentDipartimento di Chimica e Fisica della Terra (C.F.T.A.), Università di Palermoen
dc.contributor.departmentDipartimento di Chimica e Fisica della Terra (C.F.T.A.), Università di Palermoen
dc.contributor.departmentDipartimento di Chimica e Fisica della Terra (C.F.T.A.), Università di Palermoen
dc.contributor.departmentDipartimento di Chimica e Fisica della Terra (C.F.T.A.), Università di Palermoen
dc.contributor.departmentIstituto Nazionale di Geofisica e Vulcanologia, Sezione Palermo, Palermo, Italiaen
item.openairetypearticle-
item.cerifentitytypePublications-
item.languageiso639-1en-
item.grantfulltextrestricted-
item.openairecristypehttp://purl.org/coar/resource_type/c_18cf-
item.fulltextWith Fulltext-
crisitem.author.deptDipartimento di Chimica e Fisica della Terra (C.F.T.A.), Università di Palermo-
crisitem.author.deptIstituto Nazionale di Geofisica e Vulcanologia (INGV), Sezione Roma1, Roma, Italia-
crisitem.author.deptDipartimento di Chimica e Fisica della Terra (C.F.T.A.), Università di Palermo-
crisitem.author.deptDipartimento di Chimica e Fisica della Terra (C.F.T.A.), Università di Palermo-
crisitem.author.orcid0000-0001-8552-6965-
crisitem.author.parentorgIstituto Nazionale di Geofisica e Vulcanologia-
crisitem.classification.parent03. Hydrosphere-
crisitem.department.parentorgIstituto Nazionale di Geofisica e Vulcanologia-
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