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Hydrogeochemical evolution of groundwaters with excess fluoride concentrations from Dashtestan, South of Iran
KTH, School of Architecture and the Built Environment (ABE), Land and Water Resources Engineering, Environmental Geochemistry and Ecotechnology.
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2012 (English)In: Environmental Earth Sciences, ISSN 1866-6280, Vol. 67, no 4, 1173-1182 p.Article in journal (Refereed) Published
Abstract [en]

Hydrogeochemical investigations were carried out in the Dashtestan, the eastern part of Borazjan, with a focus on fluoride content. The study area is underlain by a complex geology that is dominated by three lithological units, namely marl, alluvial sediments, and carbonate rocks. To assess the major geochemical factors controlling the fluoride enrichment in water, 37 groundwater and 12 surface water samples were collected from the three lithological units. Fluoride concentrations ranged up to 3 mg/L, and average concentrations varied from 1.12 (in carbonate aquifers) to 1.73 (in alluvial aquifers) to 1.82 mg/L (in marl aquifers). To study the influence of rocks and soils on groundwater quality, an additional 41 soil and rock samples were also taken and analyzed for fluoride. The order of average fluoride content in both rocks and soils is: marl > alluvial sediments > limestone, which confirms that marl is a likely source of fluoride.

Place, publisher, year, edition, pages
2012. Vol. 67, no 4, 1173-1182 p.
Keyword [en]
Hydrogeochemistry, Endemic dental fluorosis, Groundwater, Dashtestan, Borazjan, Iran
National Category
Earth and Related Environmental Sciences
URN: urn:nbn:se:kth:diva-104367DOI: 10.1007/s12665-012-1560-zISI: 000309347200019ScopusID: 2-s2.0-84867099465OAI: diva2:564785

QC 20121105

Available from: 2012-11-05 Created: 2012-11-01 Last updated: 2013-01-09Bibliographically approved

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