Geological controls on groundwater chemistry and arsenic mobilization: Hydrogeochemical study along an E–W transect in the Meghna basin, Bangladesh

Hydrogeochemical investigations along an E–W transect in the middle Meghna basin show groundwater chemistry and redox condition vary considerably with the change in geology. Groundwater in the Holocene shallow ( 10 μg/l) and salinity. On the other hand, groundwater from the Pliocene Dupi Tila sandy...

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Veröffentlicht in:	Journal of hydrology (Amsterdam) 2009-11, Vol.378 (1), p.105-118
Hauptverfasser:	Aziz Hasan, M., Bhattacharya, Prosun, Sracek, Ondra, Ahmed, Kazi Matin, von Brömssen, Mattias, Jacks, Gunnar
Format:	Artikel
Sprache:	eng
Schlagworte:	alluvial aquifers Aquifers Arsenic Bangladesh Basins conditions Control equipment deep groundwater Dissolution Earth sciences Earth, ocean, space Exact sciences and technology ganges delta Geochemistry Geology Groundwater Groundwater chemistry Holocene and Pliocene aquifers Hydrogeology Hydrology. Hydrogeology india matlab Meghna basin Mineralogy quaternary stratigraphy Redox Redox conditions reducing conditions Salinity shallow Silicates southeastern bangladesh Transect upazila Water geochemistry western bengal basin
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Zusammenfassung:	Hydrogeochemical investigations along an E–W transect in the middle Meghna basin show groundwater chemistry and redox condition vary considerably with the change in geology. Groundwater in the Holocene shallow ( 10 μg/l) and salinity. On the other hand, groundwater from the Pliocene Dupi Tila sandy aquifer in the eastern part is fresh and low in As (
ISSN:	0022-1694 1879-2707 1879-2707
DOI:	10.1016/j.jhydrol.2009.09.016