Groundwater chemistry and redox processes: Depth dependent arsenic release mechanism

► Geochemical process responsible for mobilization of As is depth dependent. ► Concentration of As in groundwater depends on single/combined release mechanism. ► Fe and Mn hydroxide reduction, responsible for mobilization of As, is microbially mediated. Patchy occurrences of elevated As are often en...

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Bibliographic Details
Published in:Applied geochemistry 2011-04, Vol.26 (4), p.516-525
Main Authors: Biswas, Ashis, Majumder, Santanu, Neidhardt, Harald, Halder, Dipti, Bhowmick, Subhamoy, Mukherjee-Goswami, Aishwarya, Kundu, Amit, Saha, Debasree, Berner, Zsolt, Chatterjee, Debashis
Format: Article
Language:English
Subjects:
Aquifers
arsenic
carbonate minerals
Dissolution
drinking water
Geochemistry
Groundwater
Iron
manganese
Mathematical models
Microorganisms
monitoring
solutes
temporal variation
water quality
Wells
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Summary:► Geochemical process responsible for mobilization of As is depth dependent. ► Concentration of As in groundwater depends on single/combined release mechanism. ► Fe and Mn hydroxide reduction, responsible for mobilization of As, is microbially mediated. Patchy occurrences of elevated As are often encountered in groundwater from the shallow aquifers (
ISSN:0883-2927
1872-9134
DOI:10.1016/j.apgeochem.2011.01.010