An integrated inundation model for highly developed urban areas
Resource
Water Science and Technology 51 (2): 221-229
Journal
Water Science and Technology
Journal Volume
51
Journal Issue
2
Pages
221-229
Date Issued
2005
Date
2005
Author(s)
Chen, A.S.
Hsu, M.H.
Chen, T.S.
Chang, T.J.
Abstract
A numerical model is developed in this study with various components for simulating the complex flow phenomena in urban drainage basins. The model integrates the HEC-1 model, a 1-D dynamic channel-flow model, a 2-D non-inertia overland-flow model and the SWMM model to reflect the hydraulic processes in areas with different characteristics. The inundation of underground infrastructure during flood is also considered in the model. The typhoon Nari event in 2001, which resulted in severe flood in downtown Taipei, is simulated by the model. The result is compared with the survey records of flooded areas, which reveals the storage effect of underground infrastrucures is significant to the simulation results of highly developed urban areas. © IWA Publishing 2005.
Subjects
Inundation model; Underground infrastructure; Urban drainage basin
SDGs
Other Subjects
Channel flow; Computer simulation; Floods; Hydraulics; Mathematical models; Underground structures; Urban planning; Flooded areas; Hydraulic processes; Underground infrastructure inundation; Urban drainage basins; Catchments; infrastructural development; runoff; urban drainage; article; catchment; flooding; geographic information system; mathematical model; river basin; short survey; Taiwan; urban area; water supply; water transport; water treatment; watershed management
Type
journal article
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