高店子幅水化学特征及水质评价Hydrochemical Characteristics and Water Quality Assessment of Surface Water and Groundwater in Gaodianzi Map-Area
杨森;李义连;姜凤成;杨国栋;
摘要(Abstract):
为查明高店子幅地表水和地下水的水化学特征及水环境质量现状,为区域水资源保护与开发提供理论依据,运用数理统计分析、模糊综合评价和灌溉水水质评价方法对研究区地表水和地下水进行了分析与评价。研究结果表明:研究区地表水水化学组分波动较大,地下水水化学组分相对较为稳定。地表水水化学类型主要为重碳酸硫酸-钙镁型水和重碳酸-钙镁型水;地下水水化学类型主要为重碳酸-钙镁型水和重碳酸硫酸-钠钙镁型水。研究区地表水和地下水水力联系密切,水中主要离子组分来自于盐岩、石膏和碳酸盐的风化溶滤,另外还存在阳离子交换作用、蒸发浓缩作用和人类活动的共同影响。饮用水水质评价表明,54.5%的地表水和71.4%的地下水适于饮用或基本适于饮用,地下水水质稍好于地表水水质;灌溉水水质评价表明,研究区地表水和地下水均适于灌溉,合理灌溉不会造成盐害和碱害。
关键词(KeyWords): 水化学特征;数理统计分析;模糊综合评价;高店子幅
基金项目(Foundation): 中国地质调查局兰州-西宁经济区综合地质调查(0733-166213010307)
作者(Author): 杨森;李义连;姜凤成;杨国栋;
Email:
DOI: 10.19509/j.cnki.dzkq.2019.0226
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