Comparison of dissolved and particulate arsenic distributions in shallow aquifers of Chakdaha, India, and Araihazar, Bangladesh |
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| Authors: | Jerome Métral Laurent Charlet Sara Bureau Sukumar Basu Mallik Sudipta Chakraborty Kazi M Ahmed MW Rahman Zhongqi Cheng and Alexander van Geen |
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| Institution: | (1) Environmental Geochemistry Group, LGIT-OSUG, University of Grenoble, BP 53, F-38041 Grenoble, Cedex 9, France;(2) Department of Geological Sciences, Jadavpur University, Calcutta, India;(3) Department of Chemistry, Kalyani University, West Bengal, India;(4) Department of Geology, University of Dhaka, Dhaka, 1000, Bangladesh;(5) Lamont-doherty EarthObservatory of Columbia University, Palisades, NY 10964, USA |
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| Abstract: | Background The origin of the spatial variability of dissolved As concentrations in shallow aquifers of the Bengal Basin remains poorly
understood. To address this, we compare here transects of simultaneously-collected groundwater and aquifer solids perpendicular
to the banks of the Hooghly River in Chakdaha, India, and the Old Brahmaputra River in Araihazar, Bangladesh. |
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