太滆运河氨氮污染时空特征及来源研究
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摘要
[目的]研究太滆运河氨氮污染的时空特点及主要来源。[方法]对2013—2017年太滆运河水质监测数据进行时空变化分析,并利用环境统计数据对氨氮污染来源进行研究。[结果]太滆运河氨氮污染在时间上表现为逐年减轻,在空间上表现为沿程递增,其中运村断面氨氮汇入明显。支流污染是太滆运河氨氮污染的主要来源,其次为农业污染与生活污染。[结论]防治太滆运河氨氮污染首先需要控制支流氨氮输入。
[Objective]The research aimed to study the spatial-temporal features and source of ammonia-nitrogen pollution of Taige Canal.[Method]Through the detailed temporal and spatial variation analysis of water quality monitoring from 2013 to 2017 in Taige Canal,and using the environmental statistics to study the pollution sources of ammonia-nitrogen.[Result]The ammonia-nitrogen pollution in Taige Canal reduced year by year and increased along the way in space,and ammonia-nitrogen concentration in Yuncun section was especially obvious. The tributary pollution was the main source of ammonia-nitrogen pollution in Taige Canal,followed by agricultural pollution and domestic pollution. [Conclusion] To prevent ammonia-nitrogen pollution in Taige Canal,first need to control the input of ammonia-nitrogen from tributaries.
[Objective]The research aimed to study the spatial-temporal features and source of ammonia-nitrogen pollution of Taige Canal.[Method]Through the detailed temporal and spatial variation analysis of water quality monitoring from 2013 to 2017 in Taige Canal,and using the environmental statistics to study the pollution sources of ammonia-nitrogen.[Result]The ammonia-nitrogen pollution in Taige Canal reduced year by year and increased along the way in space,and ammonia-nitrogen concentration in Yuncun section was especially obvious. The tributary pollution was the main source of ammonia-nitrogen pollution in Taige Canal,followed by agricultural pollution and domestic pollution. [Conclusion] To prevent ammonia-nitrogen pollution in Taige Canal,first need to control the input of ammonia-nitrogen from tributaries.
引文
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[2]潘晨,谢文理,刘岩,等.太滆运河总氮污染物排放限值研究[J].环境保护科学,2013,39(3):5-8.
[3]顾谢军,徐东炯,蔡焕兴,等.洮滆水系湖库富营养化生态风险的特点与比较[J].环境监控与预警,2011,3(3):13-17.
[4]王哲,戴宝成.黄河内蒙古包头段水体氨氮污染状况分析[J].安徽农业科学,2011,39(13):8044-8045.
[5]魏学东,高飞,刘鹏,等.渭河干流宝鸡至咸阳段氨氮污染现状分析[J].西北大学学报(自然科学版),2011,41(5):913-916.
[6]陈小威,刘文华,文新宇,等.湘江株洲段氨氮污染变化趋势及规律研究[J].中国环境监测,2012,28(1):17-19.
[7]陈亚平,岳艾儒,韦娅俪,等.岷江大桥控制单元水体氨氮和总磷源解析[J].四川环境,2018,37(1):44-50.
[8]嵇晓燕,孙宗光,聂学军,等.黄河流域近10a地表水质变化趋势研究[J].人民黄河,2016,38(12):99-102.