无率定情况下城市雨洪模拟的误差分析  

Error Analysis in Simulation of Urban Stormwater Runoff Using Default Parameters

作　　者：宫永伟[1] 戚海军[1] 宋瑞宁[1] 李俊奇[1] 

机构地区：[1]北京建筑工程学院城市雨水系统与水环境省部共建教育部重点实验室,北京100044

出　　处：《中国给水排水》2012年第23期46-50,共5页China Water & Wastewater

基　　金：国家自然科学基金资助项目(51109002);北京市城市雨水系统与水环境生态技术学术创新团队项目(PHR201106124)

摘　　要：为检验模型在无率定情况下可能造成的误差,选用SWMM、Mike Urban和InfoWorksICM这三种模型模拟北京建筑工程学院校园的降雨径流情况,模拟时各模型都采用各自的默认参数。结果表明,对于特定的模拟结果,各模型间均存在正相关,且都达到极显著水平;在默认参数下,模拟结果对于模型本身是精确的,默认参数的不同引起了各模型模拟结果的偏差。因此,当利用模型模拟研究区域时,参数率定和验证很有必要。To examine errors caused by using default parameters, three models SWMM, Mike Ur- ban and InfoWorks ICM were utilized to simulate the stormwater runoff in a campus. The models were run using their respective default parameters. The results showed that for a given simulation result, there was a significant positive correlation among the three models. When using the default parameters, the simula- tion result for the model itself was accurate, and the deviation between the simulation results was caused by different default parameters. Therefore, when using the model to simulate the study area, parameter calibration and validation are necessary.

关 键 词：雨洪控制利用 模型 参数 率定 

分 类 号：TU992.02[建筑科学—市政工程]