Variation Trend Analysis of Water Quality in Sand Lake of Ningxia Hui Autonomous Region

Luo Yan-zhu; Qu Xiang-ning

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Variation Trend Analysis of Water Quality in Sand Lake of Ningxia Hui Autonomous Region

- Variation Trend Analysis of Water Quality in Sand Lake of Ningxia Hui Autonomous Region
- Bulletin of Soiland Water Conservation Vol. 30, Issue 5, Pages: 246-249(2011)
- 作者机构：
  
  宁夏大学西部生态研究中心
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：2011
- 稿件说明：
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Luo Yan-zhu, Qu Xiang-ning. Variation Trend Analysis of Water Quality in Sand Lake of Ningxia Hui Autonomous Region[J]. Bulletin of Soiland Water Conservation, 2011, 30(5): 246-249.
DOI：

Luo Yan-zhu, Qu Xiang-ning. Variation Trend Analysis of Water Quality in Sand Lake of Ningxia Hui Autonomous Region[J]. Bulletin of Soiland Water Conservation, 2011, 30(5): 246-249. DOI：

摘要

水质污染是中国面临的最为严重的环境问题之一

防治水质污染已成为中国环境保护的一项紧迫的任务。以宁夏沙湖为研究对象

运用主分量分析法和模糊综合评价法对其2000—2009年的水质变化情况进行了评价。绳索果发现:(1)2000—2009年沙湖水质整体上呈现逐渐好转的趋势;(2)模糊综合评价法能够反映水质污染级别

主分量分析法则可以反映水质污染程度

将2种评价方法相结合

可以使水质评价结果更加准确、客观。

Abstract

Water pollution is one of the most serious environmental problems in China

and its control has become the urgent task for our environmental conservationists.In order to improve the ecological environment of the northwest of China

it is of great importance to study and protect the lakes in the area.The Sand Lake of Ningxia Hui Autonomous Region was chosen as the study object and principal component analysis and fuzzy comprehensive evaluation method were applied to evaluate its water quality variations from 2000to 2009.We found that the water quality was getting better during the study period.Specifically

the fuzzy comprehensive evaluation method illustrated well the water pollution levels and principal component analysis adequately detected the water pollution degrees.The results were more objective with combination of principal component analysis and fuzzy comprehensive evaluation.

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