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An appraisal of geohydrological status and assessment of groundwater quality of Indpur Block, Bankura District, West Bengal, India
Applied Water Science ( IF 5.5 ) Pub Date : 2021-03-17 , DOI: 10.1007/s13201-021-01389-2
Moumita Palmajumder , Susanta Chaudhuri , Vikas K. Das , Sisir K. Nag

The present work aimed to evaluate the overall hydro-geological status of Indpur block, Bankura district, West Bengal, India. Despite of having adequate annual precipitation, south-western districts of the state of West Bengal, India, are considered to be a significantly water-stressed area of the state. This is because of unfavorable geological setting near to subsurface occurrence of impervious lithology and inundated nature of surface drainage pattern. The study was carried out both in pre- and post-monsoon seasons of 2019 to obtain an updated current status on concentration and spatiotemporal fluctuations of controlling ions of the subsurface water. Estimation of major physicochemical parameters and specific qualitative chemical characterization of groundwater were rated through field and laboratory studies. Water samples were collected from twenty-two equidistantly scattered tube wells in the block. Seasonal variations of water table elevation heads and subsurface shift of predominant recharge zones of the block were also demarked. Drinking, domestic and irrigation suitability of the block water were measured by the estimation of parameters such as Sodium Adsorption Ratio (SAR), Magnesium Adsorption Ratio (MAR), Soluble Sodium Percentage (SSP), Residual Sodium Carbonate (RSC), Permeability Index (PI), Total Hardness (TH) and Kelly’s ratio (KR) and piper trilinear plots. Sustainable non-availability of groundwater seems to be the major problem of the studied area, which intern resulted in overexploitation, mostly for cultivation practices causing considerable depletion of its suitability as drinking and irrigation. Further, results show that suitability of the water both for domestic and irrigation of the studied area may be termed as ‘good’ to ‘moderate’ with a few exceptions on a local scale. Judging by every parameter, it can be stated that groundwater of Indpur block is not much suitable for drinking purposes.



中文翻译:

印度西孟加拉邦班库拉区Indpur Block的水文现状评估和地下水水质评估

目前的工作旨在评估印度西孟加拉邦班库拉地区Indpur区块的总体水文地质状况。尽管年降水量充足,但印度西孟加拉邦的西南地区被认为是该州水资源严重短缺的地区。这是由于靠近地下的不透水岩性的不利地质环境和地表排水模式的淹没性质所致。该研究在2019年季风前后的季节中进行,以获取有关地下水控制离子的浓度和时空波动的最新现状。通过现场和实验室研究对主要理化参数的估算和地下水的特定定性化学表征进行了评估。从该区块的22个等距分散的管井中收集水样。还标出了地下水位抬高头的季节性变化和该区块主要补给区的地下位移。通过估算诸如钠吸附率(SAR),镁吸附率(MAR),可溶性钠百分比(SSP),残留碳酸钠(RSC),渗透率指数( PI),总硬度(TH)和凯利比(KR)和吹笛者三线性图。可持续的地下水不可用性似乎是该研究区域的主要问题,实习生导致过度开采,主要是由于耕作方式导致其作为饮用水和灌溉的适用性大大减少。进一步,结果表明,除了局部规模的少数例外情况外,研究区域的生活用水和灌溉用水的适宜性可被称为“良好”至“中等”。从每个参数来看,可以说Indpur区块的地下水不太适合饮用。

更新日期:2021-03-18
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