River Flooding on Taipei City Area Inundation


Owing to geographic location of Taiwan being on subtropical monsoon zone, so typhoons and storms occur frequently. Typhoons and storms during summer and fall always cause several flooding, flood damages, and human lives loss in Taiwan. The major factors that cause flooding, landslide, and debris-flow in Taiwan are typhoons and storms of monsoon rain season. The function of hydraulic structure has its limit, it must cooperate with urban flood improvement action to mitigate flood damages. The urban flood improvement action must improve the locations of flood area, flood depth, flood duration, and calculate flood damages in the floodplain when heavy rainfall happens and effective mitigately the flood disaster loss. We present a two-dimensional unsteady flow model bases on the TVD finite difference method with structured grids in basin system. The Digital Terrain Model (DTM) is employed to treat the input and output data for the model. The final global of this project is to simulate Taipei city (Shilin area) and provide the most important information, including the inundation range and depth for Shilin. As an important aid to the flood improvement action review and evaluation for warming policy, and prepare step of decision. Then, we test the suitability of this model on Taipei city (Shilin area), and present the result and discuss.

Author Information
Reui-Kuo Lin, Taipei College of Maritime Technology, Taiwan
Kwan Ouyang, Taipei College of Maritime Technology, Taiwan
Jen-Chieh Wu, Taipei College of Maritime Technology, Taiwan
Shi-Min Lee, Tamkang University, Taiwan

Paper Information
Conference: ACSEE2015
Stream: Environmental Sustainability and Environmental Management: Freshwater

This paper is part of the ACSEE2015 Conference Proceedings (View)
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