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作 者:李丰琇 周金龙[1] LI Feng-xiu ZHOU Jin-long(Institute of Hydrogeology and Environmental Geology, Chinese Academy of Geological Sciences, Shijiazhuang 050061, China)
机构地区:[1]中国地质科学院水文地质环境地质研究所,石家庄050061
出 处:《中国农村水利水电》2016年第11期38-43,47,共7页China Rural Water and Hydropower
基 金:中国地质调查局项目"西北地区主要城市地下水污染调查评价"(1212011220982);新疆自治区水文学及水资源重点学科基金项目(xjswszyzdxk20101202)
摘 要:研究区域地下水的水化学特征、水文地球化学过程对地下水开发利用及保护有着重要的意义。运用离子比值法结合水文地质条件对新疆巴里坤县汉水泉洼地承压水中的主要离子比值变化特征进行了分析,并用单因子评价法对汉水泉洼地承压水质量进行评价。结果表明:汉水泉洼地承压水沿地下水流向,水动力条件逐渐变差,水交替程度逐渐变弱,总溶解固体逐渐升高;汉水泉洼地承压水不是海相沉积水;汉水泉洼地承压水质量属于Ⅴ类,水质较差。Study on regional groundwater chemical characteristics and hydrogeochemical processes are of great significance on exploitation and protection of groundwater. We analyzed the changes of the main ions ratio in confined groundwater in Hanshuiquan depression of Balikun Country of Xinjiang by ion ratio method combined with hydrogeological conditions. Confined groundwater quality of Hanshuiquan depression were assessed by single-factor assessment method. Results showed that hydrodynamic condition of the confined groundwater belong groundwa- ter flow direction gradually becomes poor, groundwater exchange intensity gradually becomes weaker, total dissolved solid gradually increased in Hanshuiquan depression. Confined groundwater in Hanshuiquan depression is not marine deposit groundwater. The confined groundwater quality ranks in class V, the confined groundwater quality is worse in Hanshuiquan depression.
关 键 词:承压水 离子比值 地下水质量评价 新疆汉水泉洼地
分 类 号:P314.1[天文地球—固体地球物理学]
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