基于数值模拟的澄通感潮河段水源地预警站设置研究  

Study on setup of early warning station in Chengtong tidal reach based on numerical simulation

作　　者：徐振山[1] 王苏东 丁宏伟 杨柳俊[3] 陈永平[1] XU Zhenshan;WANG Sudong;DING Hongwei;YANG Liujun;CHEN Yongping(College of Harbor,Coastal and Offshore Engineering,Hohai University,Nanjing 210098,China;River Harbor Engineering Department,Nanjing Hydraulic Research Institute,Nanjing 210029,China;Nantong Branch of Jiangsu Province Hydrology and Water Resources Investigation Bureau,Nantong 226006,China)

机构地区：[1]河海大学港口海岸与近海工程学院,江苏南京210098 [2]南京水利科学研究院河流海岸研究所,江苏南京210029 [3]江苏省水文水资源勘测局南通分局,江苏南通226006

出　　处：《河海大学学报（自然科学版）》2024年第4期61-69,共9页Journal of Hohai University(Natural Sciences)

基　　金：国家自然科学基金项目(51979076)。

摘　　要：针对突发性水污染事件可能严重影响水源地取水,而现有研究针对感潮河段水源地预警站的确定方法尚无系统论述的问题,基于长江澄通感潮河段水动力-水质耦合数学模型,在厘清径潮共同作用下该河段污染物扩散输运规律的基础上,初步确定了长青沙和狼山水源地的预警站位置和数量;结合影响水源地的潜在污染源分布特征和污染物累积特征对预警站进行了空间校核,利用预警响应时效性对预警站进行了时间校核,最终确定了两水源地上下游共4个预警站的位置;基于预警站位置水质与水源地位置水质的相关性确定了长青沙和狼山水源地的应急响应方案,并给出了苯酚泄漏的风险响应限值。Sudden water pollution accidents may seriously affect the intake of water source,and the establishment of early warning stations is very important to protect the safety of water source.The existing research has not systematically discussed the determination method of early warning stations of water source in tidal river reach.Based on the coupled mathematical model of hydrodynamic and water quality in the Chengtong tidal reach of the Yangtze River,and on the basis of clarifying the law of diffusion and transport of pollutants in the reach under the combined action of channel and tide,the location and number of early warning stations in the Changqingsha and Langshan water sources were preliminarily established.Combined with the distribution characteristics of potential pollution sources and the accumulation characteristics of pollutants affecting the water source,the early warning station was checked in space,and the early warning station was checked in time by using the timeliness of early warning response.The locations of four early warning stations upstream and downstream of the two water sources were finally determined.Based on the correlation of water quality index between warning station and water source,the emergency response scheme of water source and the risk response limit value for phenol leakage in these two water sources were determined.

关 键 词：突发性水污染 感潮河段 数值模拟 预警站 澄通感潮河段 

分 类 号：TV132.1[水利工程—水力学及河流动力学]