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Assessment of Physico-Chemical Characteristics of Groundwater in Chennai

机译:钦奈地下水的理化特性评估。

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The present work is aimed to analyse physico-chemical characteristics of groundwater in a part area ofChennai, where agriculture is the main livelihood of rural and urban people and the groundwater is the mainsource for irrigation and drinking. It is noted that in Tamil Nadu, there is evidently much dependence ongroundwater due to scarce surface water. Overexploitation of groundwater might lead to complex environmentalsituation. Hence, a thorough investigation of quality parameters is necessary to ensure the potability ofwater. The area taken for study purpose is Karayanchavadi which is a part of Chennai in the vicinity of Bayof Bengal. Groundwater samples were collected from 30 wells in the study area and analysed for pH, EC,TDS, TA, TH, Ca 2+ , Mg 2+ , Na + , K + , Cl - , SO 4 -2 , NO 3 - and F - . A comparison of the groundwater quality inrelation to drinking water quality was made. It was found that pH of all the samples was neutral to slightlyalkaline. Fluorides, iron and calcium of 90% samples were within the permissible limits. Total dissolvedsolids, total hardness, sulphate and magnesium of all the samples were within the permissible limits.
机译:目前的工作旨在分析钦奈部分地区的地下水理化特征,该地区农业是城乡居民的主要生计,而地下水是灌溉和饮用水的主要来源。值得注意的是,在泰米尔纳德邦,由于地表水稀少,因此对地下水的依赖性很大。地下水的过度开采可能导致复杂的环境状况。因此,有必要对质量参数进行彻底研究以确保水的饮用性。用于研究目的的区域是Karayanchavadi,它是Chennai的一部分,在Bayof Bengal附近。从研究区域的30口井中收集地下水样品,并分析其pH,EC,TDS,TA,TH,Ca 2+,Mg 2+,Na +,K +,Cl-,SO 4 -2,NO 3-和F - 。对地下水质量与饮用水质量的关系进行了比较。发现所有样品的pH为中性至弱碱性。 90%的样品中的氟化物,铁和钙均在允许的范围内。所有样品的总溶解固体,总硬度,硫酸盐和镁均在允许的范围内。

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