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首先介绍模糊数学在国内水质评价中的应用及其优势,分析其在地下水水质评价中的原理和方法。然后以德阳市20组水样分析资料为基础,应用模糊数学原理对其地下水质进行模糊综合评价。结果表明,区内地下水水质无I级,Ⅱ级占15%,Ⅲ级占45%,Ⅳ级占10%,Ⅴ级占30%。工业排放、生活垃圾和原生铁锰超标是部分地区水质污染或超标的主要原因。
First of all, the application and advantage of fuzzy mathematics in domestic water quality evaluation are introduced, and its principles and methods in groundwater quality evaluation are analyzed. Then based on the data of 20 groups of water samples in Deyang City, the fuzzy comprehensive evaluation of the groundwater quality is made based on the principle of fuzzy mathematics. The results show that there is no grade I, grade Ⅱ, grade 15, grade Ⅲ 45%, grade Ⅳ 10%, grade Ⅴ 30%. Industrial emissions, household garbage and excessive native ferromanganese is the main reason for water pollution or over-standard in some areas.