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Speciation of trace metals in the Baltic Sea with focus on the Euphotic zone
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Geosciences and Environmental Engineering.
2009 (English)Doctoral thesis, comprehensive summary (Other academic)
Abstract [en]

Physicochemical speciation of iron (Fe) and the trace metals Cd, Cu, Co, Mn, Ni, and Zn were performed at four different locations in surface waters of the Baltic Sea. Measurements were performed during several months of the growth season at each station to obtain a detailed picture of the temporal variation in relation to phytoplankton growth. The main target was to understand the speciation of iron, and to evaluate if Fe was limiting in primary production. A methodological aim of the thesis work was focused on comparison between trace metal speciation methods; where the DGT method was calibrated to other methods and also to use the DGT method find out which mechanisms that control the labile fraction. Other methods, such as CSV, CL-FIA and Fe isotope measurements (MC-ICP-MS) were used to further evaluate the changes in the Fe fractions.Concentrations of Mn, Zn and Cd measured by DGT during 2003 and 2004 were similar to concentrations measured in

Place, publisher, year, edition, pages
Luleå: Luleå tekniska universitet, 2009. , p. 33
Series
Doctoral thesis / Luleå University of Technology 1 jan 1997 → …, ISSN 1402-1544
National Category
Geochemistry
Research subject
Applied Geology
Identifiers
URN: urn:nbn:se:ltu:diva-18188Local ID: 758e7970-9303-11de-8da0-000ea68e967bISBN: 978-91-86233-90-7 (print)OAI: oai:DiVA.org:ltu-18188DiVA, id: diva2:991195
Note

Godkänd; 2009; 20090827 (jgn); DISPUTATION Ämnesområde: Tillämpad geologi/Applied Geology Opponent: Dr Peter Croot, Leibniz Institut Für Meereswissenschaften, Tyskland Ordförande: Professor Johan Ingri, Luleå tekniska universitet Tid: Fredag den 25 september 2009, kl 10.00 Plats: F 341, Luleå tekniska universitet

Available from: 2016-09-29 Created: 2016-09-29 Last updated: 2018-03-13Bibliographically approved

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CiteExportLink to record
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Cite
Citation style
  • apa
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More languages
Output format
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