22-27 September 2019
Trade Fairs and Congress Center (FYCMA)
Europe/Madrid timezone

Geomorphic controls of arsenic pollution in groundwater of Ganga delta of West Bengal, India: an appraisal on medical geology

27 Sep 2019, 12:30
15m
Conference room 2.1 ()

Conference room 2.1

Oral Topic 8 - Groundwater quality and pollution processes Parallel

Speaker

Dr Tapas Acharya (Department of Geology, Presidency University, Kolkata, India)

Description

Pollution of arsenic in groundwater is a major problem in aquifers of Ganga delta in West Bengal, India. Consequently arsenicosis disease is one of the vital issues of public health in this region. In this aspect, determination of the spatial distribution of vulnerable zones for arsenic pollution in groundwater is essential to provide a better public health condition. Detailed study of concentration of arsenic in groundwater is studied spatially to get the hot-spot of such arsenic pollution in Malda district of West Bengal, India. Thematic maps of geomorphology, land-use, palaeo-channels and lithology are studied in details. Spatial correlation of these thematic parameters and distribution of hot-spots of arsenic pollution reveals close association of arsenicosis with newer and recent alluviums in such region. It is further influenced by presence of palae-channel to the proximity of newer alluviums. The study indicates the close spatial correlation of arsenicosis with the newer alluvium and palaeo-channels in the Ganga delta region of West Bengal, India. Such regions in the whole Ganga delta may be considered as the vulnerable zone to arsenicosis. These zones are susceptible to public health condition and close comprehensive monitoring of groundwater quality might provide better public health condition in Ganga deltaic region.

Keywords: Data processing, Data assimilation, Hydrogeology, Remote Sensing, Geographical Information Science & Systems, Geomorphology, Medical Geology.

Primary authors

Dr Tapas Acharya (Department of Geology, Presidency University, Kolkata, India) Dr Alokesh Chatterjee (Department of Geology, Hooghly Mohsin College, Chinsurah, India) Mr Tamoghno Basu (Department of Geology, Hooghly Mohsin College, Chinsurah, India) Mr Bikramaditya Mondal (Department of Earth and Atmospheric Sciences, National Institute of Technology Rourkela, India) Mrs Roshni Paul (Department of Geology, Asutosh College, Kolkata 700025. India) Mr Tanmay Sarkar (Department of Geology and Geophysics, Indian Institute of Technology, Kharagpur, Kharagpur 721302, India) Mrs Archita Bhattacharyya (Department of Geology and Geophysics, Indian Institute of Technology, Kharagpur, Kharagpur 721302, India) Mrs Debsmita Bose (Department of Geology, Hooghly Mohsin College, Chinsurah 712101, India)

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