摘要
为进行沂源县地下水水质评价及成因分析,选取沂源县15个监测点枯、丰水期水质资料中氟化物、碘化物、锰、铅等24项指标,运用改进的模糊综合评价法和内梅罗指数法进行水质评价、对比分析。改进的模糊综合评价法的结果考虑到不同因子在不同水质类别中的隶属度关系,在此基础上对结果进行算法上的改进,使结果具有连续性,改进的内梅罗指数法考虑了最大值对整体水质的影响,加入权重因子加以平衡,结果也有明显改观。沂源县枯、丰水期水质评价分区趋势大致相同,由于丰水期水量更新较快等因素,水质比枯水期较好。运用主成分分析法总结出沂源县地下水水质的主要影响因素,主要为地层自身含有的元素影响、人为农药化肥使用过量和动物粪便的处理不当影响、工厂废水和粉尘的不当排放影响等。研究区的水岩相互作用主要是溶解和沉淀作用以及少数的混合作用。
In order to evaluate and analyze the water quality of Yiyuan County,24indexes,including fluoride,iodide,manganese and plumbum,in the water quality data of 15monitoring points in Yiyuan county were selected,and the water quality evaluation and comparison are conducted by the improved fuzzy comprehensive evaluation method and Nemero index method.The results of the improved fuzzy comprehensive evaluation consider the degree of membership of different factors in different water quality categories.On this basis,the results are improved in algorithm to ensure that the results are continuous.The improved Nemero index method considers the effect of the maximum value on the overall water quality,and the weight factor is added to balance the results.There is an obvious change.The trend of water quality evaluation of Yiyuan County in wet season is basically the same as that in dry season.The main factors affecting the groundwater quality in Yiyuan County are summarized by principal component analysis,which are mainly the influence of the elements contained in the formation, the excessive use of artificial pesticides and chemical fertilizers,the improper treatment of animal manure,the improper discharge of factory waste water and dust,and so on.The water rock interaction in the study area is mainly the dissolution and sedimentation,and a few mixed effects.
作者
杨鹏
计量
朱伟
李小东
乔海峰
张大勇
YANG Peng;JI Liang;ZHU Wei;LI Xiao-dong;QIAO Hai-feng;ZHANG Da-yong(Shandong Eighth Geological and Mineral Exploration Institute,Rizhao 276826,Shandong;College of New Energy and Environment,Jilin University,Changehun 130021)
出处
《节水灌溉》
北大核心
2018年第12期65-69,76,共6页
Water Saving Irrigation
关键词
沂源县
地下水水质评价
模糊综合评价
内梅罗
主成分分析法
水化学模拟
Yiyuan county
groundwater quality evaluation
fuzzy comprehensive evaluation
Nemerow
Principal Component Analysis
hydrochemical simulation
