巢湖东部水源区及入湖河流无机氮形态特征及影响研究
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摘要
[目的]对我国巢湖东部水源区及入湖河流无机氮的形态特征及其影响进行研究。[方法]研究巢湖东部水源区及入湖河流溶解性无机氮(DIN)的形态组成和分布特征,并探讨它们对水质的影响。[结果]NH3-N、NO2--N平均浓度在汛期较高,非汛期较低,NO3--N正好相反;双桥河口NH3-N浓度远高于其他各点,污染最为严重。柘皋河口、小柘皋河口DIN主要为生活污水及工业废水污染所致;双桥河口地表径流、船舶污染等对DIN含量贡献较大。[结论]该研究为巢湖富营养化控制和治理提供了基础数据和理论依据。
[Objective] To study the characteristics and effects of inorganic nitrogen in east water-source and inflow rivers of Chaohu Lake.[Method] The speciation and distribution characteristics of dissolvable inorganic nitrogen(DIN) in east water-source and inflow rivers of Chaohu Lake were investigated,and their effects on water quality were examined.[Result] The mean concentrations of NH3-N and NO2——N are high in flood season,and low in non-flood season,while the concentration of NO3——N presents the opposite trend;the concentration of NO3-N is the highest in Shuangqiao estuary,where the pollution is the worst.DIN in Zhegao estuary and Xiaozhegao estuary is mainly caused by domestic sewage and industrial wastewaters;surface runoff and pollution from ships contribute the most to the DIN content in Shuangqiao estuary.[Conclusion] This study provides basic data and theoretical basis for the control and management of eutrophication in Chaohu Lake.
[Objective] To study the characteristics and effects of inorganic nitrogen in east water-source and inflow rivers of Chaohu Lake.[Method] The speciation and distribution characteristics of dissolvable inorganic nitrogen(DIN) in east water-source and inflow rivers of Chaohu Lake were investigated,and their effects on water quality were examined.[Result] The mean concentrations of NH3-N and NO2——N are high in flood season,and low in non-flood season,while the concentration of NO3——N presents the opposite trend;the concentration of NO3-N is the highest in Shuangqiao estuary,where the pollution is the worst.DIN in Zhegao estuary and Xiaozhegao estuary is mainly caused by domestic sewage and industrial wastewaters;surface runoff and pollution from ships contribute the most to the DIN content in Shuangqiao estuary.[Conclusion] This study provides basic data and theoretical basis for the control and management of eutrophication in Chaohu Lake.
引文
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[26]张自杰.排水工程[M].北京:中国建筑工业出版社,2000:308.
[27]贾海燕,雷阿林,叶闽,等.三峡水库水位消落区典型土壤磷释放特征及其环境效应[J].水科学进展,200,718(3):433-436.
[28]储茵,朱江,夏守先,等.巢湖典型直流柘皋河水质污染时空变化特征[J].水土保持学报,201,125(4):443-448.
[29]胡雪峰,高效江,陈振楼.上海市郊河流底泥氮磷释放规律的初步研究[J].上海环境科学,200,120(2):66-70.
[30]郑丙辉,曹承进,秦延文,等.三峡水库主要入库河流氮营养盐特征及其来源分析[J].环境科学,2008,29(1):1-6.
[2]俞盈,陈繁忠,盛彦清,等.污染水体中三氮转化过程的模拟研究[J].环境工程,200,725(3):35-37.
[3]冯绍元,黄冠华.试论水环境中的氮污染行为[J].灌溉排水,199,716(2):34-36.
[4]夏星辉,周劲松,杨志峰,等.黄河流域河水氮污染分析[J].环境科学学报,200,121(5):563-568.
[5]李恭臣,夏星辉.黄河无机氮形态组成影响因素的灰色关联度分析[J].北京师范大学学报,20054,1(6):632-636.
[6]孟伟,秦延文,郑丙辉,等.长江口水体中氮、磷含量及其化学耗氧量的分析[J].环境科学,2004,25(6):65-68.
[7]潘胜军,沈志良.长江口及其邻近水域溶解无机氮的分布变化特征[J].海洋环境科学,2010,29(2):205-211.
[8]邓建才,陈桥,翟水晶,等.太湖水体中氮、磷空间分布特征及环境效应[J].环境科学,2008,29(12):3382-3386.
[9]潘成荣,汪家权,郑志侠,等.巢湖沉积物中氮与磷赋存形态研究[J].生态与农村环境学报,200,723(1):43-47.
[10]周志华,刘丛强,李军,等.巢湖沉积物D13Corg和D15N记录的生态环境演化过程[J].环境科学,200,728(6):1338-1343.
[11]姜霞,钟立香,王书航,等.巢湖水华爆发期水-沉积物界面溶解性氮形态的变化[J].中国环境科学,2009,29(11):1158-1163.
[12]钟立香,王书航,姜霞,等.连续分级提取法研究春季巢湖沉积物中不同结合态氮的赋存特征[J].农业环境科学学报,2009,28(10):2132-2137.
[13]王书航,姜霞,钟立香,等.巢湖沉积物不同形态氮季节性赋存特征[J].环境科学,2010,31(4):946-953.
[14]王振祥,朱晓东,孟平,等.巢湖富营养化年度尺度变化分析及对策[J].环境保护,2009(6):33-36.
[15]傅振鹏,陶涛,孙世群,等.模糊评价在巢湖市饮用水水源地水质评价中的应用[J].安徽农业科学,2011,39(9):5235-5237.
[16]HAIDER S,NAITHANI V,VISWANATHAN P N,et al.Cyanobacterialtoxins:a growing environmental concern[J].Chemosphere,20035,2:1-21.
[17]江苏省环境监测站.GB 7479-8,7水质铵的测定纳氏试剂比色法[S].北京:中国标准出版社,1987.
[18]国家环境保护局.GB 7493-8,7水质亚硝酸盐氮的测定分光光度法[S/OL].(1987-03-14)http://www.docin.com/p-212751912.html.
[19]国家环境保护总局,水和废水监测分析方法编委会.水和废水监测分析方法[M].4版.北京:中国环境科学出版社,2002.
[20]王佳宁,晏维金,贾晓栋.长江流域点源氮磷营养盐的排放、模型及预测[J].环境科学学报,2006,26(4):658-666.
[21]中国环境科学研究院.GB3838-200,2地表水环境质量标准[S].北京:中国环境科学出版社,2002.
[22]BALCH W M.Exploring the mechanism of ammonium uptake in phyto-plankton with an ammonium analogue methylamine[J].Mar Biol,1986,92(2):163-171.
[23]BALCH W M.Kinetics of nitrate uptake by freshwater algae[J].Hydro-biologia,1984,114(3):209-214.
[24]WHEELER K,KOKKINAKIS D.Ammonium recycling limits nitrate usein the oceanic subarctic Pacific[J].Limnol Oceanogr,1990,35:1267-1278.
[25]DENG D G,XIE P,ZHOU Q,et al.Temporal and spatial variations ofphytop lank ton in a large shallow Chinese lake with dense cyanobacte ri-al blooms[J].Journal of Integrative Plant Biology,20074,9:409-418.
[26]张自杰.排水工程[M].北京:中国建筑工业出版社,2000:308.
[27]贾海燕,雷阿林,叶闽,等.三峡水库水位消落区典型土壤磷释放特征及其环境效应[J].水科学进展,200,718(3):433-436.
[28]储茵,朱江,夏守先,等.巢湖典型直流柘皋河水质污染时空变化特征[J].水土保持学报,201,125(4):443-448.
[29]胡雪峰,高效江,陈振楼.上海市郊河流底泥氮磷释放规律的初步研究[J].上海环境科学,200,120(2):66-70.
[30]郑丙辉,曹承进,秦延文,等.三峡水库主要入库河流氮营养盐特征及其来源分析[J].环境科学,2008,29(1):1-6.
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