期刊
WATER SCIENCE AND TECHNOLOGY
卷 76, 期 12, 页码 3392-3403出版社
IWA PUBLISHING
DOI: 10.2166/wst.2017.504
关键词
ediffusive overland-flow model; GIS; inundation simulation; SWMM; urban stormwater
资金
- National Natural Science Foundation of China [51739011]
- Science and Technology Planning Project of Guangdong Province, China [2016A020223003]
- Project for Creative Research from Guangdong Water Resources Department [2016-32]
With rapid urbanization, inundation-induced property losses have become more and more severe. Urban inundation modeling is an effective way to reduce these losses. This paper introduces a simplified urban stormwater inundation simulation model based on the United States Environmental Protection Agency Storm Water Management Model (SWMM) and a geographic information system (GIS)-based diffusive overland-flow model. SWMM is applied for computation of flows in storm sewer systems and flooding flows at junctions, while the GIS-based diffusive overland-flow model simulates surface runoff and inundation. One observed rainfall scenario on Haidian Island, Hainan Province, China was chosen to calibrate the model and the other two were used for validation. Comparisons of the model results with field-surveyed data and InfoWorks ICM (Integrated Catchment Modeling) modeled results indicated the inundation model in this paper can provide inundation extents and reasonable inundation depths even in a large study area.
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