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Mobility of arsenic in two black shale areas in Sweden
KTH, School of Architecture and the Built Environment (ABE), Sustainable development, Environmental science and Engineering.
KTH, School of Architecture and the Built Environment (ABE), Sustainable development, Environmental science and Engineering.
2016 (English)In: Arsenic Research and Global Sustainability - Proceedings of the 6th International Congress on Arsenic in the Environment, AS 2016, CRC Press/Balkema , 2016, 127-128 p.Conference paper, Published paper (Refereed)
Abstract [en]

This study compares two black shale areas in Central and Northern Sweden with sulphidic black shales with elevated contents of trace metals and arsenic. In the Precambrian area arsenic is mobilized in wetlands and discharged into drains and streams where it is re-adsorbed onto ferric precipitates. The bottom fauna in streams is only pointwise enriched in arsenic while fish shows little or no accumulation of arsenic. contents. In the Cambrian area the arsenic released by oxidation is found in the soil profiles attached to ferric precipitates. Almost no arsenic is seen in ground- and surface water nor in plants. The reason seems to be differences in topography. 

Place, publisher, year, edition, pages
CRC Press/Balkema , 2016. 127-128 p.
Keyword [en]
Oil shale, Shale, Soils, Surface waters, Sustainable development, Trace elements, Black shales, Bottom faunas, Cambrians, Northern sweden, Point wise, Precambrian, Soil profiles, Trace metal, Arsenic
National Category
Earth and Related Environmental Sciences
Identifiers
URN: urn:nbn:se:kth:diva-207515Scopus ID: 2-s2.0-85016978168ISBN: 9781138029415 (print)OAI: oai:DiVA.org:kth-207515DiVA: diva2:1106108
Conference
6th International Congress on Arsenic in the Environment, AS 2016, 19 June 2016 through 23 June 2016
Note

Conference code: 175559; Export Date: 22 May 2017; Conference Paper. QC 20170607

Available from: 2017-06-07 Created: 2017-06-07 Last updated: 2017-06-07Bibliographically approved

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