Dataset S2: SEM-EDS spectra of groundwater TDS

Dataset S2: SEM-EDS spectra and reports (generated by Icon Labs Pvt. Ltd., Mumbai) for the elemental composition of total dissolved solids (TDS) obtained after drying groundwater samples from borewells 1-12. Water samples were collected from Chintamani village, Chikkaballapura district, Karnataka, India, during the period of August 2024 to December 2024.数据集S2：由印度孟买Icon Labs Pvt. Ltd.生成的SEM-EDS能谱与分析报告，对应1-12号钻井地下水样品经烘干处理后得到的总溶解固体（Total Dissolved Solids, TDS）的元素组成。本次采集的地下水样品取自印度卡纳塔克邦奇卡巴拉拉普尔区钦塔马尼村，采样时段为2024年8月至2024年12月。