Journal of Hazardous Materials, Nov 15, 2013, Vol.262, p.941(10)
To link to full-text access for this article, visit this link: http://dx.doi.org/10.1016/j.jhazmat.2013.01.044 Byline: Harald Neidhardt (a), Zsolt Berner (a), Dominik Freikowski (b), Ashis Biswas (c), Josef Winter (b), Debashis Chatterjee (d), Stefan Norra (e) Keywords: Arsenic; Groundwater; Bengal Delta Plain; Spatiotemporal trends; Monitoring; Pumping Abbreviations: m bls, meters below land surface; BDP, Bengal Delta Plain; TEA, terminal electron acceptor; FeRB, iron-reducing bacteria; DARPs, dissimilative arsenate respiring prokaryotes; As.sub.tot, total As concentration; K, coefficient of hydraulic conductivity; TA, total alkalinity; DOC, dissolved organic carbon; TOC, total organic carbon; GMWL, global meteoric water line; r, Pearson correlation coefficient; LMWL, local meteoric water line Abstract: a* Spatiotemporal trends occur in arsenic contents of shallow groundwater in West Bengal. a* We simulate pumping to record changes in the distribution of dissolved arsenic. a* Pumping induces enduring effects on hydrochemically stratified water columns. a* Arsenic-safe water resources are vulnerable toward anthropogenic disturbances. Author Affiliation: (a) Institute of Mineralogy and Geochemistry, Karlsruhe Institute of Technology, Adenauerring 20b, D-76133 Karlsruhe, Germany (b) Institute of Biology for Engineers and Biotechnology of Waste Water Treatment, Karlsruhe Institute of Technology, Am Fasanengarten, D-76133 Karlsruhe, Germany (c) Department of Land and Water Resource Engineering, Royal Institute of Technology, Teknikringen 76, SE-100 44 Stockholm, Sweden (d) Department of Chemistry, University of Kalyani, Nadia 741235, West Bengal, India (e) Institute of Geography and Geoecology, Karlsruhe Institute of Technology, Reinhard-Baumeister-Platz 1, D-76133 Karlsruhe, Germany Article History: Received 7 December 2011; Revised 29 December 2012; Accepted 21 January 2013
Hydrogeology -- Electric Properties ; Aquifers -- Electric Properties ; Bacteria -- Electric Properties ; Groundwater -- Electric Properties ; Water Resources -- India ; Water Resources -- Electric Properties ; Arsenic -- Electric Properties
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