Curtin University Homepage
  • Library
  • Help
    • Admin

    espace - Curtin’s institutional repository

    JavaScript is disabled for your browser. Some features of this site may not work without it.
    View Item 
    • espace Home
    • espace
    • Curtin Research Publications
    • View Item
    • espace Home
    • espace
    • Curtin Research Publications
    • View Item

    Hydrogeochemical contrast between brown and grey sand aquifers in shallow depth of Bengal Basin: Consequences for sustainable drinking water supply

    Access Status
    Fulltext not available
    Authors
    Biswas, A.
    Nath, B.
    Bhattacharya, P.
    Halder, D.
    Kundu, A.
    Mandal, U.
    Mukherjee, Abhijit
    Chatterjee, D.
    Mörth, C.
    Jacks, G.
    Date
    2012
    Type
    Journal Article
    
    Metadata
    Show full item record
    Citation
    Biswas, A. and Nath, B. and Bhattacharya, P. and Halder, D. and Kundu, A. and Mandal, U. and Mukherjee, A. et al. 2012. Hydrogeochemical contrast between brown and grey sand aquifers in shallow depth of Bengal Basin: Consequences for sustainable drinking water supply. Science of the Total Environment. 431: pp. 402-412.
    Source Title
    Science of the Total Environment
    DOI
    10.1016/j.scitotenv.2012.05.031
    ISSN
    0048-9697
    URI
    http://hdl.handle.net/20.500.11937/67300
    Collection
    • Curtin Research Publications
    Abstract

    Delineation of safe aquifer(s) that can be targeted by cheap drilling technology for tubewell (TW) installation becomes highly imperative to ensure access to safe and sustainable drinking water sources for the arsenic (As) affected population in Bengal Basin. This study investigates the potentiality of brown sand aquifers (BSA) as a safe drinking water source by characterizing its hydrogeochemical contrast to grey sand aquifers (GSA) within shallow depth ( < 70m) over an area of 100km 2 in Chakdaha Block of Nadia district, West Bengal, India. The results indicate that despite close similarity in major ion composition, the redox condition is markedly different in groundwater of the two studied aquifers. The redox condition in the BSA is delineated to be Mn oxy-hydroxide reducing, not sufficiently lowered for As mobilization into groundwater. In contrast, the enrichments of NH 4 + , PO 4 3- , Fe and As along with lower Eh in groundwater of GSA reflect reductive dissolution of Fe oxy-hydroxide coupled to microbially mediated oxidation of organic matter as the prevailing redox process causing As mobilization into groundwater of this aquifer type. In some portions of GSA the redox status even has reached to the stage of SO 4 2- reduction, which to some extent might sequester dissolved As from groundwater by co-precipitation with authigenic pyrite. Despite having low concentration of As in groundwater of the BSA the concentration of Mn often exceeds the drinking water guidelines, which warrants rigorous assessment of attendant health risk for Mn prior to considering mass scale exploitation of the BSA for possible sustainable drinking water supply. © 2012 Elsevier B.V..

    Related items

    Showing items related by title, author, creator and subject.

    • Elevated arsenic in deeper groundwater of the western Bengal basin, India: Extent and controls from regional to local scale
      Mukherjee, Abhijit; Fryar, A.; Scanlon, B.; Bhattacharya, P.; Bhattacharya, A. (2011)
      The deeper groundwater (depending on definition) of the Bengal basin (Ganges-Brahmaputra delta) has long been considered as an alternate, safe drinking-water source in areas with As-enrichment in near-surface groundwater. ...
    • Wide spread arsenic in deeper groundwater of western Bengal basin, West Bengal, India: Implications for sustainable alternate drinking water sources
      Mukherjee, Abhijit; Fryar, A.; Scanlon, B.; Bhattacharya, P.; Thunvik, R.; Bhattacharya, A. (2012)
      Availability of safe drinking water is a major concern in the delta plains of the major Himalayan-Tibetan rivers in southern and southeastern Asia. While indiscriminate use of rivers and other surface water bodies for ...
    • Influence of geology on groundwater–sediment interactions in arsenic enriched tectono-morphic aquifers of the Himalayan Brahmaputra river basin
      Verma, S.; Mukherjee, Abhijit; Mahanta, C.; Choudhury, R.; Mitra, K. (2016)
      The present study interprets the groundwater solute chemistry, hydrogeochemical evolution, arsenic (As) enrichment and aquifer characterization in Brahmaputra River Basin (BRB) involving three geologically and tectono-morphically ...
    Advanced search

    Browse

    Communities & CollectionsIssue DateAuthorTitleSubjectDocument TypeThis CollectionIssue DateAuthorTitleSubjectDocument Type

    My Account

    Admin

    Statistics

    Most Popular ItemsStatistics by CountryMost Popular Authors

    Follow Curtin

    • 
    • 
    • 
    • 
    • 

    CRICOS Provider Code: 00301JABN: 99 143 842 569TEQSA: PRV12158

    Copyright | Disclaimer | Privacy statement | Accessibility

    Curtin would like to pay respect to the Aboriginal and Torres Strait Islander members of our community by acknowledging the traditional owners of the land on which the Perth campus is located, the Whadjuk people of the Nyungar Nation; and on our Kalgoorlie campus, the Wongutha people of the North-Eastern Goldfields.