globalchange  > 过去全球变化的重建
DOI: 10.1061/(ASCE)HE.1943-5584.0001793
WOS记录号: WOS:000464572000004
论文题名:
Evaluating Metropolitan Flood Coping Capabilities under Heavy Storms
作者: Gao, Liang; Zhang, Limin; Li, Xueyou; Zhou, Shengyang
通讯作者: Zhang, Limin
刊名: JOURNAL OF HYDROLOGIC ENGINEERING
ISSN: 1084-0699
EISSN: 1943-5584
出版年: 2019
卷: 24, 期:6
语种: 英语
英文关键词: Metropolitan flooding ; Stormwater ; Drainage network ; Hydrologic modeling ; Climate change impact
WOS关键词: RIVER ; MODEL
WOS学科分类: Engineering, Civil ; Environmental Sciences ; Water Resources
WOS研究方向: Engineering ; Environmental Sciences & Ecology ; Water Resources
英文摘要:

A large city surrounded by mountains like Hong Kong is susceptible to both flash floods in midmountain areas and local flooding in low-lying areas when a large rainstorm occurs. Severe rainstorms tend to be more frequent under a changing climate. Hence, it is essential to simulate rainfall-runoff processes in the urban area and evaluate flood coping strategies. This paper presents a model that is capable of simulating the overland flow process and underground drainage hydraulics simultaneously, based on detailed topographic, rainfall, and drainage network information about the northern Hong Kong Island. The model was calibrated with a flood-extent map and further validated with a flood event in June 2008. Using the model, the flood hazards associated with flood coping projects in three phases were simulated. Although these flooding control measures were intended to meet a major societal need for alleviating flooding problems and are shown to be effective in alleviating local flooding, the densely urbanized area may still suffer flooding when severe storm events occur. Hence, new strategies are needed to cope with the urban flood risk under more critical storms.


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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/139860
Appears in Collections:过去全球变化的重建

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作者单位: Hong Kong Univ Sci & Technol, Dept Civil & Environm Engn, Clear Water Bay, Hong Kong, Peoples R China

Recommended Citation:
Gao, Liang,Zhang, Limin,Li, Xueyou,et al. Evaluating Metropolitan Flood Coping Capabilities under Heavy Storms[J]. JOURNAL OF HYDROLOGIC ENGINEERING,2019-01-01,24(6)
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