不同赋权方法的综合水质标识指数法对比分析
【目的】明确宁夏清水河各水质监测断面的水质分布特征,为流域水质评价提供依据,基于清水河3个水质监测断面(二十里铺、三营、泉眼山)2014年—2016年的监测数据。【方法】采用主成分分析法对检测数据进行筛选,选择具有代表性的水质检测指标,应用综合水质标识指数法对该地区水质做出评价;结合3种赋权方法(超标倍数法、变异系数法、熵权法)对传统的综合水质标识指数法进行改进,并做进一步对比分析。【结果】综合水质标识指数分析法显示二十里铺断面水质评价结果为Ⅱ类且基本保持稳定;三营断面2014年、2015年评价结果满足Ⅲ类水质标准,2016年评价结果为Ⅳ类水质标准,且该断面水质有变差的趋势;泉眼山断面评价结果...
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          | Published in | Guanʻgai paishui xuebao Vol. 38; no. 11; pp. 93 - 99 | 
|---|---|
| Main Authors | , , , | 
| Format | Journal Article | 
| Language | Chinese | 
| Published | 
        Xinxiang City
          Chinese Academy of Agricultural Sciences (CAAS) Farmland Irrigation Research Institute Editorial Office of Journal of Irrigation and Drainage
    
        01.11.2019
     沈阳环境科学研究院,沈阳110167 辽宁省城市生态重点实验室,沈阳110167  | 
| Subjects | |
| Online Access | Get full text | 
| ISSN | 1672-3317 | 
| DOI | 10.13522/j.cnki.ggps.20180666 | 
Cover
| Abstract | 【目的】明确宁夏清水河各水质监测断面的水质分布特征,为流域水质评价提供依据,基于清水河3个水质监测断面(二十里铺、三营、泉眼山)2014年—2016年的监测数据。【方法】采用主成分分析法对检测数据进行筛选,选择具有代表性的水质检测指标,应用综合水质标识指数法对该地区水质做出评价;结合3种赋权方法(超标倍数法、变异系数法、熵权法)对传统的综合水质标识指数法进行改进,并做进一步对比分析。【结果】综合水质标识指数分析法显示二十里铺断面水质评价结果为Ⅱ类且基本保持稳定;三营断面2014年、2015年评价结果满足Ⅲ类水质标准,2016年评价结果为Ⅳ类水质标准,且该断面水质有变差的趋势;泉眼山断面评价结果为Ⅱ类水且逐年减小,该断面水质有进一步变好的趋势。【结论】应用不同赋权方法对3个断面水质进行评价,评价结果均达到水功能区划要求,但超标倍数法和熵权法计算过程中存在一定缺陷,变异系数法较其他2种赋权方法更为合理。 | 
    
|---|---|
| AbstractList | X522; [目的]明确宁夏清水河各水质监测断面的水质分布特征,为流域水质评价提供依据,基于清水河3个水质监测断面(二十里铺、三营、泉眼山)2014—2016年的监测数据.[方法]采用主成分分析法对检测数据进行筛选,选择具有代表性的水质检测指标,应用综合水质标识指数法对该地区水质做出评价;结合3种赋权方法(超标倍数法、变异系数法、熵权法)对传统的综合水质标识指数法进行改进,并做进一步对比分析.[结果]综合水质标识指数分析法显示二十里铺断面水质评价结果为Ⅱ类且基本保持稳定;三营断面2014、2015年评价结果满足Ⅲ类水质标准,2016年评价结果为Ⅳ类水质标准,且该断面水质有变差的趋势;泉眼山断面评价结果为Ⅱ类水且逐年减小,该断面水质有进一步变好的趋势.[结论]应用不同赋权方法对3个断面水质进行评价,评价结果均达到水功能区划要求,但超标倍数法和熵权法计算过程中存在一定缺陷,变异系数法较其他2种赋权方法更为合理. 【目的】明确宁夏清水河各水质监测断面的水质分布特征,为流域水质评价提供依据,基于清水河3个水质监测断面(二十里铺、三营、泉眼山)2014年—2016年的监测数据。【方法】采用主成分分析法对检测数据进行筛选,选择具有代表性的水质检测指标,应用综合水质标识指数法对该地区水质做出评价;结合3种赋权方法(超标倍数法、变异系数法、熵权法)对传统的综合水质标识指数法进行改进,并做进一步对比分析。【结果】综合水质标识指数分析法显示二十里铺断面水质评价结果为Ⅱ类且基本保持稳定;三营断面2014年、2015年评价结果满足Ⅲ类水质标准,2016年评价结果为Ⅳ类水质标准,且该断面水质有变差的趋势;泉眼山断面评价结果为Ⅱ类水且逐年减小,该断面水质有进一步变好的趋势。【结论】应用不同赋权方法对3个断面水质进行评价,评价结果均达到水功能区划要求,但超标倍数法和熵权法计算过程中存在一定缺陷,变异系数法较其他2种赋权方法更为合理。  | 
    
| Author | LI, Yabin CHENG, Weiguo WANG, Jian SU, Yan  | 
    
| AuthorAffiliation | 沈阳环境科学研究院,沈阳110167;辽宁省城市生态重点实验室,沈阳110167 | 
    
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| Author_FL | LI Yabin CHENG Weiguo WANG Jian SU Yan  | 
    
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| Keywords | 主成分分析 水质评价 综合水质标识指数法 清水河 权重  | 
    
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| Publisher | Chinese Academy of Agricultural Sciences (CAAS) Farmland Irrigation Research Institute Editorial Office of Journal of Irrigation and Drainage 沈阳环境科学研究院,沈阳110167 辽宁省城市生态重点实验室,沈阳110167  | 
    
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| Snippet | 【目的】明确宁夏清水河各水质监测断面的水质分布特征,为流域水质评价提供依据,基于清水河3个水质监测断面(二十里铺、三营、泉眼山)2014年—2016年的监测数据。【方法】采用主... X522; [目的]明确宁夏清水河各水质监测断面的水质分布特征,为流域水质评价提供依据,基于清水河3个水质监测断面(二十里铺、三营、泉眼山)2014—2016年的监测数据.[方法]采用主...  | 
    
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| SubjectTerms | Coefficient of variation Comparative analysis Data analysis Entropy (statistics) Evaluation Principal components analysis Quality assessment Quality control Rivers Water monitoring Water quality Water quality assessments Water quality management Weighting methods  | 
    
| Title | 不同赋权方法的综合水质标识指数法对比分析 | 
    
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