Assessment of the spatial and temporal hydrochemical facies variation in the flood plains of North-West Delhi using integrated approach |
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Authors: | Aditya Sarkar Shashank Shekhar S. P. Rai |
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Affiliation: | 1.Department of Geology,University of Delhi,Delhi,India;2.National Institute of Hydrology,Roorkee,India |
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Abstract: | Assessment of change in major ion chemistry of groundwater, manifested by hydrochemical facies, is a necessity for sustainable use of the groundwater resources. In this perspective, this article estimates spatial and temporal hydrochemical facies variation in the study area using an integrated approach. The geochemical, isotopic and sedimentary data from the North West Delhi has been used to achieve the objective of the study. It is seen that the spatial groundwater facies variation in the study area correlates with the change in geomorphologic units. Distinct hydrochemical facies for younger and older alluvial plains has been observed. It is seen that geomorphic features such as palaeochannels also influence the groundwater quality of the study area. Further, the temporal hydrochemical facies variations indicate that with time, anthropogenic factors have also impacted the evolution of facies in the study area . |
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