浑河流域沈抚段氮素污染综合溯源研究
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摘要
通过对浑河流域沈抚段水体样品和主要污染源样品采集及检测,结合氮氧双稳定同位素及SIAR模型,统计分析研究区域氮素污染现状及氮素污染来源,绘制典型污染源的δ15N、δ18O特征分布图并估算其贡献率,准确追踪和定量外来性氮,从而更好地控制进入浑河流域的氮负荷.结果表明,浑河流域沈抚段受排污口、支流输入、工业废水的影响较大,氮素污染严重.研究区域δ15N值在-5.23‰~33.8‰范围内波动,δ18O值变化范围较大,为-4.12‰~61.54‰.工业废水对氮素贡献率为20.6%~96.3%,贡献率最高,其次是生活污水与粪便、化学肥料、土壤,贡献率分布范围分别为0.3%~29.4%、1.2%~33.5%、1.7%~30.1%,大气沉降对氮素贡献率最低,为0~7.2%.考虑大气污染及污废水排放规律能更准确的确定氮素的污染来源.
Based on the analyses of the collected water samples in Shenyang-Fushun section of Hunhe River basin and the samples of major pollution sources,in combination with nitrogen and oxygen bi-stable Isotopes and statistic analysis of the SIAR model,the status of regional nitrogen pollution and its sources were studied.The characteristic distribution profiles of the δ15 N and δ18 O of the typical pollution sources were drawn to estimate their contribution and to precisely track and quantify the exogenous nitrogen,so that the nitrogen load into the Hunhe River basin could be effectively controlled. The results showed that the water quality of the Shenyang-Fushun section of Hunhe River basin was greatly affected by the sewage discharge outlet,tributary input,and industrial wastewater discharge,resulting in serious nitrogen pollution. Within the region,the δ15 N value fluctuated in the range of-5.23‰ ~ 33.8‰,and the δ18 O value ranged from-4.12‰ to 61.54‰. The contribution of industrial wastewater to nitrogen load was among the highest( 20.6% ~ 96.3%),followed by that of domestic sewage and manure( 0.3% ~ 29.4%),chemical fertilizer( 1.2% ~ 33.5%) and soil( 1.7% ~ 30.1%),while the contribution of atmospheric deposition was among the lowest( 0 ~ 7.2%). The pollution sources of nitrogen can be determined more accurately if air pollution and the rules of wastewater discharge are considered.
Based on the analyses of the collected water samples in Shenyang-Fushun section of Hunhe River basin and the samples of major pollution sources,in combination with nitrogen and oxygen bi-stable Isotopes and statistic analysis of the SIAR model,the status of regional nitrogen pollution and its sources were studied.The characteristic distribution profiles of the δ15 N and δ18 O of the typical pollution sources were drawn to estimate their contribution and to precisely track and quantify the exogenous nitrogen,so that the nitrogen load into the Hunhe River basin could be effectively controlled. The results showed that the water quality of the Shenyang-Fushun section of Hunhe River basin was greatly affected by the sewage discharge outlet,tributary input,and industrial wastewater discharge,resulting in serious nitrogen pollution. Within the region,the δ15 N value fluctuated in the range of-5.23‰ ~ 33.8‰,and the δ18 O value ranged from-4.12‰ to 61.54‰. The contribution of industrial wastewater to nitrogen load was among the highest( 20.6% ~ 96.3%),followed by that of domestic sewage and manure( 0.3% ~ 29.4%),chemical fertilizer( 1.2% ~ 33.5%) and soil( 1.7% ~ 30.1%),while the contribution of atmospheric deposition was among the lowest( 0 ~ 7.2%). The pollution sources of nitrogen can be determined more accurately if air pollution and the rules of wastewater discharge are considered.
引文
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刘强,陈琳.2015.MIKE11 HD模型在浑河流域沈抚段区域的应用[J].科技展望,(29):64-65
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孙明辉.2008.水体硝态氮稳定同位素分析方法研究[D].青岛:中国海洋大学.7-10
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徐志伟,张心昱,于贵瑞,等.2014.中国水体硝酸盐氮氧双稳定同位素溯源研究进展[J].环境科学,35(8):3230-3238
Yang Y Y,Gurpal S T.2016.δ15N andδ18O Reveal the Sources of Nitrate-Nitrogen in Urban Residential StormwaterRunoff[J].Environmental Science&Technology,50(6):2881-2889
张俊萍.2015.利用N.O同位素技术研究太鬲运河中氮的分布特征及来源[D].安徽:安徽理工大学
张俊萍,宋晓梅.2014.稳定同位素追踪水体中的氮来源的研究现状[J].环境科技,(6):71-75
Zhi J H,Ding A Z,Zhang S R.2016.Nitrate sources and nitrogen biogeochemical processes in the Feng River in West China inferred from the nitrogen and oxygen dual isotope measurements of nitrate[J].Desalination and Water Treatment,57:8243-8251
赵庆良,马慧雅,任玉芬,等.2016.利用δ15N-NO-3和δ18O-NO-3示踪北京城区河流硝酸盐来源[J].环境科学,37(5):1692-1698
Zhang Y,Li F D,Zhang Q Y,et al.2014.Tracing nitrate pollution sources and transformation in surface and ground waters using environmental isotopes[J].Science of the Total Environment,490:213-222
Chen F J,Li X H,Jia G D.2007.The application of nitrogen and oxygen isotopes in the study of nitrate in rivers[J].Advances in Earth Science,22(12):1251-1257
Chen Z X,Liu G,Liu W G,et al.2012.Identification of nitrate sources in Taihu Lake and its major inflow rivers in China,usingδ15N-NO3-andδ18O-NO3-values[J].Water Science and Technology,66(3):536-542
陈自祥.2012.利用水体中溶解性硝酸根离子中的氮氧同位素组成来识别中国太湖和巢湖水体中氮污染源的研究[D].合肥:中国科学技术大学
陈琳.2015.基于MIKE的浑河流域沈抚段区域水量水质模型研究[D].沈阳:沈阳建筑大学
El Gaouzi F Z J,Sebilo M,Ribstein P,et al.2013.Usingδ15N andδ18Ovalues to identify sources of nitrate in karstic springs in the Paris basin(France)[J].Applied Geochemistry,35:230-243
Frank D A,Evans R D,Tracy B F.2004.The role of ammonia volatilization in controlling the natural 15N abundance of a grazed grassland[J].Biogeochemistry,68:169-178
皇甫超申,史齐.2010.亚硝酸盐对人体健康的利害分析[J].环境与健康杂志,27(8):733-736
Kohl D H,Shearer G B,Commoner B.1971.Fertilizer nitrogen:contribution to nitrate in surface water in a corn belt watershed[J].Science,174:1331-1334
Li S L,Liu C Q,Xiao H Y.2002.Microbial effect on nitrogen cy-cleaned nitrogen isotope fractionation on the earth's surface-a review[J].Geology Geochemistry,30(4):40-45
刘强,陈琳.2015.MIKE11 HD模型在浑河流域沈抚段区域的应用[J].科技展望,(29):64-65
Parnell A C,Inger R,Bearhop S,et al.2010.Source partitioning using stable isotopes:Coping with too much variation[J].PLo S One,5(3):5
Parnell A C,Phillips D L,Bearhop S.2013.Bayesian stable isotope mixing models[J].Environmetrics,24(6):387-399
Phillips D L,Inger R,Bearhop S.2014.Best practices for use of stable isotope mixing models in food-web studies[J].Can J Zool,92(10):823-835
孙明辉.2008.水体硝态氮稳定同位素分析方法研究[D].青岛:中国海洋大学.7-10
Viviana R,Elisa S,Enrico A.2013.The use of nitrate to identify contamination sources in the Bou-Aregaquifer[J].Earth and Planetary Science,7:729-732
王婧宇.2016.应用氮氧同位素以及同位素模型识别天津水体中硝酸盐的潜在来源[D].天津:天津师范大学
吴文欢,何小娟,苏跃龙,等.2016.基于氮氧稳定同位素识别水体氮源的研究进展[J].环境科学与技术,39(08):77-84
Xue D,Boeckx P,Wang Z.2014.Nitrate sources and dynamics in a salinized river and estuary-a deltaδ15N-NO-3and deltaδ18O-NO-3isotope approach[J].Biogeosciences,11:5957-5967
邢萌,刘卫国.2016.浐河、灞河硝酸盐端元贡献比例-基于硝酸盐氮、氧同位素研究[J].地球环境学报,7(1):27-36
徐志伟,张心昱,于贵瑞,等.2014.中国水体硝酸盐氮氧双稳定同位素溯源研究进展[J].环境科学,35(8):3230-3238
Yang Y Y,Gurpal S T.2016.δ15N andδ18O Reveal the Sources of Nitrate-Nitrogen in Urban Residential StormwaterRunoff[J].Environmental Science&Technology,50(6):2881-2889
张俊萍.2015.利用N.O同位素技术研究太鬲运河中氮的分布特征及来源[D].安徽:安徽理工大学
张俊萍,宋晓梅.2014.稳定同位素追踪水体中的氮来源的研究现状[J].环境科技,(6):71-75
Zhi J H,Ding A Z,Zhang S R.2016.Nitrate sources and nitrogen biogeochemical processes in the Feng River in West China inferred from the nitrogen and oxygen dual isotope measurements of nitrate[J].Desalination and Water Treatment,57:8243-8251
赵庆良,马慧雅,任玉芬,等.2016.利用δ15N-NO-3和δ18O-NO-3示踪北京城区河流硝酸盐来源[J].环境科学,37(5):1692-1698
Zhang Y,Li F D,Zhang Q Y,et al.2014.Tracing nitrate pollution sources and transformation in surface and ground waters using environmental isotopes[J].Science of the Total Environment,490:213-222