Chemical composition and formation conditions of NaHCO<sub>3</sub> type of waters in the eastern Transbaikalia

Борзенко, С. В.; Drebot, V. V.; Fedorov, I. A.

doi:10.1051/e3sconf/20199801005

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“…On one hand, the massive extraction of groundwater to meet agricultural and domestic needs of urban population has led to lowering of groundwater table to around 45 mbgl (CGWB, 2022); and on the other, loose quaternary deposits of sand, silt, gravel and pebbles provide a suitable condition for infiltration and penetration of rainwater, irrigation flows and urban discharge. A part of this infiltrated water penetrates into the basement rocks of the discharge zone and interacts with aluminosilicates rocks present there, resulting in the formation of Na-HCO 3 types of groundwater (Borzenko et al, 2019).…”

Section: Physico-chemical Analysis and Groundwater Faciesmentioning

confidence: 99%

Hydrogeochemical characterization and quality assessment of groundwater resources in the Upper-Doab region of Uttar Pradesh, India

Gautam

Chand

2023

Front. Environ. Sci.

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The present study tries to delineate groundwater zones in the Upper-Doab region of Uttar Pradesh, India based on its suitability for the use of domestic and irrigation purposes considering the physico-chemical parameters of groundwater samples (n ∼ 70) using Weighted Arithmetic Water Quality Index (WAWQI) and Composite Groundwater Quality Index for Irrigation (CGQII) methods, respectively. The Upper-Doab region of Uttar Pradesh is bounded by the mighty rivers of Ganga and Yamuna in the east and west respectively. In the southwest, the region shares the boundary with the national capital of Delhi, which has led to an increase in the growth of urbanization and industrialization in the region. These factors have a visible negative impact on the groundwater scenario of the region. Hydrogeochemical investigation reveals that the ionic dominance in the groundwater samples is in the order of HCO3 > Cl > SO4 > NO3 > F and Na > Mg > Ca > K. Chemical history of groundwater samples using piper-trilinear diagram shows that Ca-Mg-HCO3 and Ca-Na-HCO3 type of groundwater is mostly found in this region. Gibb’s plot reveals that rock-water interaction was dominantly controlling the ionic composition of the groundwater in the unconfined aquifer environment. Further, the bivariate plot of (SO4 + HCO3) vs. (Ca + Mg) reveals that the weathering of calcite and dolomite minerals present in the aquifer environment has largely attributed chemical character to the groundwater of the region. The groundwater zoning concerning its domestic and agricultural use reveals that the groundwater of Meerut, Muzaffarnagar, Baghpat, Ghaziabad, and Gautam Buddha Nagar districts have poorer quality of groundwater due to high electrical conductivity and higher concentration of nitrate which has a higher anthropogenic link. The evaluation of groundwater quality for irrigation using a single index value i.e., CGQII makes this study different from the other hydrochemical investigations under similar hydrogeolocal aquifer conditions in the region. The study suggests that corrective measures like, strict implementation of untreated discharge of industrial effluents to the water or groundwater directly, creating awareness among farmers for lesser use of chemical fertilizers, and regular groundwater monitoring systems for quality analysis must be considered for a sustainable future of the region.

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Section: Physico-chemical Analysis and Groundwater Faciesmentioning

confidence: 99%

Hydrogeochemical characterization and quality assessment of groundwater resources in the Upper-Doab region of Uttar Pradesh, India

Gautam

Chand

2023

Front. Environ. Sci.

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Chemical composition and formation conditions of NaHCO₃ type of waters in the eastern Transbaikalia

Cited by 1 publication

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Hydrogeochemical characterization and quality assessment of groundwater resources in the Upper-Doab region of Uttar Pradesh, India

Hydrogeochemical characterization and quality assessment of groundwater resources in the Upper-Doab region of Uttar Pradesh, India

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Chemical composition and formation conditions of NaHCO3 type of waters in the eastern Transbaikalia

Cited by 1 publication

References 2 publications

Hydrogeochemical characterization and quality assessment of groundwater resources in the Upper-Doab region of Uttar Pradesh, India

Hydrogeochemical characterization and quality assessment of groundwater resources in the Upper-Doab region of Uttar Pradesh, India

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Chemical composition and formation conditions of NaHCO₃ type of waters in the eastern Transbaikalia