Groundwater Quality Analysis of an Emerging Part of Suburb of Pune Metropolitan Region Maharashtra India using GIS and Remote Sensing Techniques

Hydrospatial Analysis Pub Date : 2019-03-23 DOI:10.21523/GCJ3.18020202

S. Gaikwad, S. Gaikwad, D. Date, Somnath Borhade, A. Kandekar, A. Supekar, Ravindra S. Bhagat, Pravin Kambale, Ramdas B. Madale, Tushar Raut, O. Kadekar

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引用次数: 1

Abstract

Thirty (30) groundwater samples have been collected during Pre-monsoon season-2015 to analyze the groundwater quality of Shikrapur and Talegaon Dhamdhare area. Maps were prepared for major physicochemical elements in groundwater and geomorphologic aspects using GIS and Remote Sensing techniques. Trend in cations is Na>Ca>Mg>K while in anions is Cl>HCO3>NO3>SO4. The average, Na+Ca representing 61.37% of total cations denoting major supply from weathering of plagioclase feldspar while Ca+Mg values, 67.92 % of cations contributed from olivine and pyroxene. Anions like Cl, SO4 and NO3 in groundwater is contributed from anthropogenic activities. The results were compared with WHO norms and found higher values for Electrical Conductivity (EC), Calcium (Ca), Potassium (K), Magnesium (Mg), Chloride (Cl) and Nitrate (NO3). Other elements show low to optimum values indicating good quality for drinking purposes, excluding some pockets from lower reaches. Regular quality monitoring for groundwater with rainwater harvesting is suggested to improve the quality of groundwater in the region.

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基于GIS和遥感技术的印度马哈拉施特拉邦浦那都会区郊区新兴地区地下水水质分析

2015年季风前采集了30个地下水样本，分析了Shikrapur和Talegaon Dhamdhare地区的地下水质量。利用地理信息系统和遥感技术为地下水和地貌方面的主要物理化学元素制作了地图。阳离子表现为Na>Ca>Mg>K，阴离子表现为Cl>HCO3>NO3>SO4。平均而言，Na+Ca占总阳离子的61.37%，主要来自斜长石风化，Ca+Mg占67.92%，主要来自橄榄石和辉石。地下水中的Cl、SO4和NO3等阴离子是由人类活动贡献的。将结果与世卫组织标准进行比较，发现电导率(EC)、钙(Ca)、钾(K)、镁(Mg)、氯化物(Cl)和硝酸盐(NO3)的值更高。其他元素显示低至最佳值，表明饮用质量良好，不包括下游的一些口袋。建议定期进行雨水收集地下水水质监测，以改善该地区地下水水质。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Hydrospatial Analysis

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