采用主成分分析和水质标识指数评价敖江流域水质
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摘要
根据2017年3月至2018年3月敖江流域的4个断面的水质监测数据,采用主成分分析法(PCA)识别流域水质时空变化特征,并采用水质标识指数法对敖江流域水质状况进行综合评价.PCA将8项水质指标转换为3种主成分,解释了原数据集83.144%的信息.分析结果表明:敖江流域水质受上游石板材工业、中下游农业、畜禽养殖业和下游人口分布影响较大,且污染呈现季节性变化;敖江流域整体水质较好,各监测断面水质情况受单项水质指标的影响显著,且流域整体污染呈现从上游往下游加重的趋势.
According to the water quality monitoring data of four sections in the Aojiang River Basin from March 2017 to March 2018,the principal component analysis(PCA)was used to identify the temporal and spatial variation characteristics of water quality in the basin,and the water quality identification index method was used to comprehensively evaluate the water quality of the Aojiang River.The method of PCA converted eight water quality indicators into three principal components and 83.144%of the original data information was explained.The analysis results showed that the water quality of the Aojiang River Basin was affected by the stone plate industry of the upstream,the agriculture and livestock and poultry breeding industry in the middle and lower reaches,and the population distribution of the downstream,furthermore,the pollution presented seasonal changes;and the overall water quality of the Aojiang River was relatively good,the water quality of each monitoring section was significantly affected by the single water quality index,and the overall pollution of the watershed showed an aggravating trend from upstream to downstream.
According to the water quality monitoring data of four sections in the Aojiang River Basin from March 2017 to March 2018,the principal component analysis(PCA)was used to identify the temporal and spatial variation characteristics of water quality in the basin,and the water quality identification index method was used to comprehensively evaluate the water quality of the Aojiang River.The method of PCA converted eight water quality indicators into three principal components and 83.144%of the original data information was explained.The analysis results showed that the water quality of the Aojiang River Basin was affected by the stone plate industry of the upstream,the agriculture and livestock and poultry breeding industry in the middle and lower reaches,and the population distribution of the downstream,furthermore,the pollution presented seasonal changes;and the overall water quality of the Aojiang River was relatively good,the water quality of each monitoring section was significantly affected by the single water quality index,and the overall pollution of the watershed showed an aggravating trend from upstream to downstream.
引文
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[17]杜乔乔,颜坤.基于PCA的于桥水库富营养化因子分析[J].水资源与水工程学报,2013,24(2):212-214.
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[19]李晓丰,李兴华,黄涛,等.PCA水质分类法在通济堰水质评价中的应用[J].四川环境,2016,35(3):41-45.DOI:10.3969/j.issn.1001-3644.2016.03.008.
[2]富天乙,邹志红,王晓静.基于多元统计和水质标识指数的辽阳太子河水质评价研究[J].环境科学学报,2014,34(2):473-480.DOI:10.13671/j.hjkxxb.2014.02.032.
[3]尹海龙,徐祖信.河流综合水质评价方法比较研究[J].长江流域资源与环境,2008,17(5):729-733.DOI:10.3969/j.issn.1004-8227.2008.05.012.
[4]周真明,沈春花,涂帆,等.山美水库综合水质标识指数评价[J].华侨大学学报(自然科学版),2010,31(2):215-217.DOI:10.11830/ISSN.1000-5013.2010.02.0215.
[5]王维,纪枚,苏亚楠.水质评价研究进展及水质评价方法综述[J].图书情报导刊,2012,22(13):129-131.DOI:10.3969/j.issn.1005-6033.2012.13.056.
[6]刘潇,薛莹,纪毓鹏,等.基于主成分分析法的黄河口及其邻近水域水质评价[J].中国环境科学,2015,35(10):3187-3192.DOI:10.3969/j.issn.1000-6923.2015.10.040.
[7]胡成,苏丹.综合水质标识指数法在浑河水质评价中的应用[J].生态环境学报,2011,20(1):186-192.DOI:10.3969/j.issn.1674-5906.2011.01.033.
[8]李国锋,刘宪斌,刘占广,等.基于主成分分析和水质标识指数的天津地区主要河流水质评价[J].生态与农村环境学报,2011,27(4):27-31.DOI:10.3969/j.issn.1673-4831.2011.04.005.
[9]张玉珍,黄文丹,王智苑,等.福建敖江流域水域生态系统健康评估[J].湖泊科学,2015,27(6):1079-1086.DOI:10.18307/2015.0612.
[10]吴春山.石板材行业环境问题及其对策:以敖江流域为例[J].海峡科学,2008(6):58-61.DOI:10.3969/j.issn.1673-8683.2008.06.028.
[11]李小梅,吴春山,庄一庭,等.石板材加工行业的水环境污染特征研究[J].福建师范大学学报(自然科学版),2006,22(4):67-71.DOI:10.3969/j.issn.1000-5277.2006.04.015.
[12]苏玉萍,赖寿辉,林佳,等.富营养化饮用水源地山仔水库限制性营养元素研究[J].环境科学学报,2015,35(10):3107-3113.DOI:10.13671/j.hjkxxb.2014.1080.
[13]程学宁,卢毅敏.基于SOM和PCA的闽江流域地表水水质综合评价[J].水资源保护,2017,33(3):59-67.DOI:10.3880/j.issn.1004-6933.2017.03.012.
[14] OUYANG Ying.Evaluation of river water quality monitoring stations by principal component analysis[J].Water Research,2005,39(12):2621-2635.DOI:10.1016/j.watres.2005.04.024.
[15]徐祖信.我国河流单因子水质标识指数评价方法研究[J].同济大学学报(自然科学版),2005,33(3):321-325.DOI:10.3321/j.issn:0253-374X.2005.03.008.
[16]徐祖信.我国河流综合水质标识指数评价方法研究[J].同济大学学报(自然科学版),2005,33(4):482-488.DOI:10.3321/j.issn:0253-374X.2005.04.012.
[17]杜乔乔,颜坤.基于PCA的于桥水库富营养化因子分析[J].水资源与水工程学报,2013,24(2):212-214.
[18]刘臣辉,吕信红,范海燕.主成分分析法用于环境质量评价的探讨[J].环境科学与管理,2011,36(3):183-186.DOI:10.3969/j.issn.1673-1212.2011.03.045.
[19]李晓丰,李兴华,黄涛,等.PCA水质分类法在通济堰水质评价中的应用[J].四川环境,2016,35(3):41-45.DOI:10.3969/j.issn.1001-3644.2016.03.008.
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