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首页> 外文期刊>Water Science and Technology >Overland flow computations in urban and industrial catchments from direct precipitation data using a two-dimensional shallow water model
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Overland flow computations in urban and industrial catchments from direct precipitation data using a two-dimensional shallow water model

机译：使用二维浅水模型从直接降水数据计算城市和工业流域的陆上流量

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This paper presents the experimental validation and the application to a real industrial catchmentnof a two-dimensional depth-averaged shallow water model used for the computation of rainfall-nrunoff transformation from direct precipitation data. Instead of using the common approach innflood inundation modelling, which consists in computing the water depth and velocity fieldsngiven the water discharge, in this study the rainfall intensity is imposed directly in the model,nthe surface runoff being generated automatically. The model considers infiltration lossesnsimultaneously with flow simulation. Gullies are also included in the model, although the couplingnbetween the surface runoff and the sewer network is not considered. Experimental validation ofnthe model is presented in several simplified laboratory configurations of urban catchments, innwhich the surface runoff has been measured for different hyetographs. The application to a realnindustrial catchment includes a sewer network flow component, which is solved with the SWMMnmodel. The numerical predictions of the discharge hydrograph generated by a 12 hours stormnevent are compared with field measurements, providing encouraging results.
机译：本文给出了二维深度平均浅水模型的实验验证和在实际工业流域中的应用，该模型用于根据直接降水数据计算降雨-径流转换。代替使用通常的方法，即通过计算排水量的水深和流速来进行淹没模型，本研究将降雨强度直接施加到模型中，而不是自动产生地表径流。该模型与流量模拟同时考虑了渗透损失。尽管未考虑地表径流与下水道网络之间的耦合，但该模型中也包括了沟渠。该模型的实验验证在城市流域的几个简化的实验室配置中进行了介绍，其中针对不同的湿度记录仪测量了地表径流。实际工业流域的应用程序包括下水道网络流量组件，可通过SWMMn模型解决。将一个12小时的暴风雨事件产生的排放水位图的数值预测与实地测量进行了比较，提供了令人鼓舞的结果。

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