Please use this identifier to cite or link to this item: https://doi.org/10.15480/882.412
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dc.contributor.authorCalmano, Wolfgang-
dc.contributor.authorWellershaus, Stefan-
dc.contributor.authorLiebsch, Heinrich-
dc.date.accessioned2008-09-15T12:11:08Zde_DE
dc.date.available2008-09-15T12:11:08Zde_DE
dc.date.issued1983de_DE
dc.identifier.citationVeröffentlichungen des Instituts für Meeresforschung in Bremerhaven 20 (1985), 151-82de_DE
dc.identifier.urihttp://tubdok.tub.tuhh.de/handle/11420/414-
dc.description.abstractIn continuation of fixed anchor stations the behaviour of heavy metals was also studied in longitudinal sections in the bottom sediments (Calmano et al. 1982) and in the water (this paper). There are changes in concentrations of dissolved metals in water and changes in contents of metals in seston (suspended matter) in dependence on tides (Duinker et al. 1982 b). These changes can be related to the passing of different water bodies and different seston types, respectively, at the place of observation. In addtition, more changes were found at various hydrographically defined "stretches" along the whole length of the estuary. These changes were attributed to dilution of estuarine water by coastal seawater in the lower estuary; but in the mud reach in the central estuary they were attributed to the interchange with mud (alternating settling and resuspension of loose sediment particles through tides). In the central and the upper estuary they could be attributed to the influence of very low salinity, to the predominance of either organic matter or clay or quartz in seston, to the state of aggregation of seston particles which depends on salinity, the nearness to the mud reach and perhaps the amount of the particles in water; and the changes could further be attributed to emissions from industrial sites, sewage outfalls and the dumping of dredge spoil. Relation to organic water quality criteria were not found. The bioavailability of particulate metals is discussed: it is comparatively high in Cd, Zn and Mn (80-95%) and lower in other elements.en
dc.language.isoende_DE
dc.rightsinfo:eu-repo/semantics/openAccess-
dc.rights.urihttp://doku.b.tu-harburg.de/doku/lic_ohne_pod.phpde
dc.titleThe Weser Estuary : a study on heavy metal behaviour under hydrographic and water quality conditionsde_DE
dc.typeArticlede_DE
dc.identifier.urnurn:nbn:de:gbv:830-tubdok-4878de_DE
dc.identifier.doi10.15480/882.412-
dc.type.diniarticle-
dc.subject.ddccode500-
dcterms.DCMITypeText-
tuhh.identifier.urnurn:nbn:de:gbv:830-tubdok-4878de_DE
tuhh.publikation.typarticlede_DE
tuhh.publikation.sourceVeröffentlichungen des Instituts für Meeresforschung in Bremerhaven 20 (1985), 151-82de_DE
tuhh.opus.id487de_DE
tuhh.oai.showtruede_DE
tuhh.pod.allowedfalsede_DE
dc.identifier.hdl11420/414-
tuhh.abstract.englishIn continuation of fixed anchor stations the behaviour of heavy metals was also studied in longitudinal sections in the bottom sediments (Calmano et al. 1982) and in the water (this paper). There are changes in concentrations of dissolved metals in water and changes in contents of metals in seston (suspended matter) in dependence on tides (Duinker et al. 1982 b). These changes can be related to the passing of different water bodies and different seston types, respectively, at the place of observation. In addtition, more changes were found at various hydrographically defined "stretches" along the whole length of the estuary. These changes were attributed to dilution of estuarine water by coastal seawater in the lower estuary; but in the mud reach in the central estuary they were attributed to the interchange with mud (alternating settling and resuspension of loose sediment particles through tides). In the central and the upper estuary they could be attributed to the influence of very low salinity, to the predominance of either organic matter or clay or quartz in seston, to the state of aggregation of seston particles which depends on salinity, the nearness to the mud reach and perhaps the amount of the particles in water; and the changes could further be attributed to emissions from industrial sites, sewage outfalls and the dumping of dredge spoil. Relation to organic water quality criteria were not found. The bioavailability of particulate metals is discussed: it is comparatively high in Cd, Zn and Mn (80-95%) and lower in other elements.de_DE
tuhh.publication.instituteUmwelttechnik und Energiewirtschaft V-9de_DE
tuhh.identifier.doi10.15480/882.412-
tuhh.type.opus(wissenschaftlicher) Artikel-
tuhh.institute.germanUmwelttechnik und Energiewirtschaft V-9de
tuhh.institute.englishEnvironmental Technology and Energy Economics V-9en
tuhh.institute.id2de_DE
tuhh.type.id2de_DE
tuhh.gvk.hasppnfalse-
dc.type.driverarticle-
dc.identifier.oclc930767891-
dc.type.casraiJournal Article-
item.languageiso639-1en-
item.fulltextWith Fulltext-
item.openairetypeArticle-
item.grantfulltextopen-
item.creatorOrcidCalmano, Wolfgang-
item.creatorOrcidWellershaus, Stefan-
item.creatorOrcidLiebsch, Heinrich-
item.openairecristypehttp://purl.org/coar/resource_type/c_6501-
item.creatorGNDCalmano, Wolfgang-
item.creatorGNDWellershaus, Stefan-
item.creatorGNDLiebsch, Heinrich-
item.cerifentitytypePublications-
crisitem.author.deptUmwelttechnik und Energiewirtschaft V-9-
crisitem.author.parentorgStudiendekanat Verfahrenstechnik-
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