| 引用本文: | XIA Wen-wen,CHEN Li-ming,WANG Chen-bo,XU Yi-fan,LI Ti-lai, SI Wei.Analysis of the Response Relationship between the Pollution Load Flux and Water Quality of the Yincun Port River in Taihu Lake Basin[J].Environmental Monitoring and Forewarning,2021,13(4):14~17 |
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| 摘要: |
| 以2020年1—12月太湖主要入湖河流殷村港水质自动监测站的监测数据及2020年太湖水位资料为依据，构建了一维水量水质耦合数学模型，建立了入河污染负荷通量与入湖控制断面水质响应关系，以入太湖控制断面殷村港站达Ⅲ类水质水为目标，模拟计算了殷村港站主要污染物入湖水质变化过程。结果表明，殷村港站高锰酸盐指数、氨氮、总磷等水质指标浓度最大值均明显的降低，其中氨氮浓度降低幅度相对较大，主要集中于3—6月；高锰酸盐指数和总磷日均入河污染负荷通量变化相对较小，氨氮日均入河污染负荷通量降低幅度相对较大；殷村港站高锰酸盐指数、氨氮、总磷等水质指标年入河污染负荷削减量分别为24.17，41.43，3.87 t。提出，基于核算出的削减量需进一步结合污染负荷通量过程和污染源溯源分析，确定不同水质指标下入河污染负荷控制方向，为科学合理规划殷村港主要污染物的入河污染负荷总量控制提供科学依据。 |
| 关键词: 太湖 水质 数学模型 入河污染负荷通量 响应关系 |
| DOI： |
| 分类号:X524 |
| 基金项目:江苏省环境监测科研基金资助项目（1908）；“十三五”国家重点研发计划基金资助项目（2017YFC0405302）；生态环境管理与污染排放标准项目（JSZC-G2020-049） |
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| Analysis of the Response Relationship between the Pollution Load Flux and Water Quality of the Yincun Port River in Taihu Lake Basin |
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XIA Wen-wen,CHEN Li-ming,WANG Chen-bo,XU Yi-fan,LI Ti-lai, SI Wei1,2,3
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1.Jiangsu Environmental Monitoring Center，Nanjing，Jiangsu 210019，China;2. Nanjing Hydraulic Research Institute, State Key Laboratory of Hydrologywater Resource and Hydraulic Engineering，Nanjing，Jiangsu 210029，China;3. Nanjing Individual & Private Economic Association ，Nanjing，Jiangsu 210001，China
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| Abstract: |
| A one dimensional coupling numerical model of water quantity and quality was established for Yincun port rivers, one of the main river entering Taihu Lake, and the response relationship between the pollution load flux and the water quality of the control section was also established. Based on the water quality and pollution load of Yincun port river in 2020, in order to reach class III for water quality of Yincun port river, the water quality changes were simulated. The simulated results showed that the maximum concentrations of permanganate index, ammonia nitrogen, total phosphorus in Yincun port river have been significantly reduced, in which ammonia nitrogen concentration process are relatively large, and the reduction of ammonia nitrogen concentration was mainly concentrated in March to June; at the same time, combined with water quantity, the river pollution load of the permanganate index, ammonia nitrogen, total phosphorus into Yincun port river are further deduced, reducing 24.17, 41.43 and 3.87 t respectively. Based on the calculated reduction, it is necessary to further combine the pollution load flux process and pollution source traceability analysis to determine the control direction of pollution load into the river for different water quality indexes, so as to provide scientific basis for scientific and reasonable planning of total pollution load control of main pollutants into the river in Yincun port. |
| Key words: Taihu Lake Water quality Numerical model Pollution load flux into the river Response relationship |
