基于龙王庙断面水质达标的城南河流域水环境容量
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摘要
为保证南京市浦口区城南河龙王庙断面水质稳定达标,综合考虑水文、水质和污染源现状,对研究区域入城南河的污染源进行排污口概化,构建水环境数学模型,计算得到基于龙王庙断面水质达标的城南河水环境容量,以此与现状入河的污染物量比较,确定污染物的削减比例。结果表明:在保证龙王庙断面水质达标的情况下,城南河COD、NH+4-N和TP的水环境容量分别为2 183 t/a、201 t/a和154 t/a,污染物削减率与水质超标率的差距在20%以内。
In order to ensure the water quality of Longwangmiao Section of Chengnan River in Pukou District of Nanjing City to reach the standard,considering the hydrology,water quality,and pollution source status,the pollution source of the Chengnan River into the study area was generalized and the water environment mathematical model was established. The water environmental capacity of Chengnan River was calculated based on the water quality of Longwangmiao Section,and the reduction ratio of pollutants was determined by comparing with the pollutant quantity entering the river. The results show that the environmental capacity of COD,NH3-N,and TP is2 183 t/a,201 t/a,and 154 t/a,respectively,under the condition that the water quality of Longwangmiao Section reaches the standard. And the difference between pollutant reduction rate and water quality exceeding standard rate is less than 20%.
In order to ensure the water quality of Longwangmiao Section of Chengnan River in Pukou District of Nanjing City to reach the standard,considering the hydrology,water quality,and pollution source status,the pollution source of the Chengnan River into the study area was generalized and the water environment mathematical model was established. The water environmental capacity of Chengnan River was calculated based on the water quality of Longwangmiao Section,and the reduction ratio of pollutants was determined by comparing with the pollutant quantity entering the river. The results show that the environmental capacity of COD,NH3-N,and TP is2 183 t/a,201 t/a,and 154 t/a,respectively,under the condition that the water quality of Longwangmiao Section reaches the standard. And the difference between pollutant reduction rate and water quality exceeding standard rate is less than 20%.
引文
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[2]戴正德,王蕾,马生伟,等.杞麓湖水污染总量控制和工程治理的效益分析[J].云南大学学报(自然科学版),2000,22(1):18-19.(DAI Zhengde,WANG Lei,MA Shengwei,et al. Water pollution control system of Luliang County[J]. Journal of Yunnan University(Natural Sciences),2000,22(1):18-19.(in Chinese))
[3]赵军.浅论污染物排放总量控制[J].山东环境,2000(增刊1):28-29.(ZHAO Jun. Discussion on total amount control of pollutant discharge[J]. Shandong Environment,2000(Sup1):28-29.(in Chinese))
[4]林国强.南流江玉林城区段污染物总量控制及方案[J].广西水利水电,2002(1):54-57.(LIN Guoqiang.Pollutant total control and its scheme of the Yulin proper section of the Nanliujiang River[J]. Guangxi Water Resources&Hydropower Engineering,2002(1):54-57(in Chinese))
[5]周刚,雷坤,富国,等.河流水环境容量计算方法研究[J].水利学报,2014,45(2):227-234.(ZHOU Gang,LEI Kun,FU Guo,et al. Calculation method of river water environmental capacity[J]. Journal of Hydraulic Enqineering,2014,45(2):227-234.(in Chinese))
[6]张茜,韩龙喜.基于水质响应系数的浅水湖泊水环境容量计算方法[J].四川环境,2017(1):47-52.(ZHANG Xi,HAN Longxi. A water environmental capacity calculation method of the shallow lake based on water quality response coefficient[J]. Sichuan Environment,2017(1):47-52.(in Chinese))
[7]韩梓流,逄勇.基于京杭运河五牧断面水质达标的水环境容量计算研究[J].水资源与水工程学报,2016(4):81-87.(HAN Ziliu,PANG Yong. Water environment capacity calculation based on water quality standards at Wumu section in the Grand Canal[J]. Journal of Water Resources&Water Engineering,2016(4):81-87.(in Chinese))
[8]花月,王金龙,刘洋,等.阳澄湖入湖河流张家港河控制断面水质达标分析[J].污染防治技术,2016,29(1):30-34.(HUA Yue,WANG Jinlong,LIU Yang,et al.Analysis of water quality control sections of Zhangjiagang River in Yangcheng Lake Region[J]. Pollution Control Technology,2016,29(1):30-34.(in Chinese))
[9]王雪,逄勇,谢蓉蓉,等.基于控制断面水质达标的秃尾河流域总量控制[J].北京工业大学学报,2015,41(1):123-130.(WANG Xue,PANG Yong,XIE Rongrong,et al. Total amount control of water quality standard at the control section in Tuwei River Basin[J]. Journal of Beijing University of Technology,2015,41(1):123-130.(in Chinese))
[10]于雷,吴舜泽,范丽丽,等.河流水环境容量一维计算方法[J].水资源保护,2008,24(1):39-41.(YU Lei,WU Shunze,FAN Lili,et al. One-dimensional calculation method for river water environmental capacity[J]. Water Resources Protection,2008,24(1):39-41.(in Chinese))
[11]逄勇,陆桂华.水环境容量计算理论及应用[M].北京:科学出版社,2010.
[12]程声通.河流环境容量与允许排放量[J].水资源保护,2003,19(2):8-10.(CHENG Shengtong. Environmental capacity and permissible discharge of rivers[J]. Water Resources Protection,2003,19(2):8-10.(in Chinese))
[13]阎非,苏保林,贾海峰.基于排污口权重的一维河流水环境容量计算[J].水资源保护,2006,22(2):16-18.(YAN Fei,SU Baolin,JIA Haifeng. Calculation of water environmental capacity for one-dimensional river based on weight of sewage outfall[J]. Water Resources Protection,2006,22(2):16-18.(in Chinese))
[14]陈玥,李一平,高小孟,等.山丘区水环境容量计算及限制排污总量分析:以临海市“五水共治”规划为例[J].水资源保护,2016,32(2):123-128.(CHEN Yue,LI Yiping,GAO Xiaomeng,et al. Calculation of water environmental capacity and analysis of total quantity control of pollution discharge in hilly area:a case study of co-governance on five water categories in Linhai City[J].Water Resources Protection,2016,32(2):123-128.(in Chinese))