A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Potential Application of LID Techniques to Reduce Urban Flooding in Different Rainfall Pattern, Case Study for Quy Nhon, Vietnam
Cities are more vulnerable to flooding due to the reducing of pervious areas influenced by urbanization and increases in extreme precipitation resulted from climate change. Conveying enlarging rainwater runoff requires an expansion of the draining system, which may cost a huge amount of grant investment. To deal with the problem, Low Impact Development (LID) techniques can be taken into consideration as a sustainable alternative option for urban drainage systems. However, the understanding of LID’s effects on urban flooding in different extreme rainfall characteristics is still limited. This study investigates potential performances of integration LID techniques (swale and infiltration trenches) in a drainage system by simulations EPA-SWMM models under different rainfall patterns for Quy Nhon, Vietnam. These performances have shown the effectiveness of the techniques in reducing the risks of flooding because of climate change. It also demonstrates that swales work more effectively in reducing flood probabilities which are caused by long duration and small peak rainfall compared to infiltration trenches. Whereas, infiltration trenches are more effective in reducing surface flooding but less efficient in cutting down the peak of generated runoff.
Potential Application of LID Techniques to Reduce Urban Flooding in Different Rainfall Pattern, Case Study for Quy Nhon, Vietnam
Cities are more vulnerable to flooding due to the reducing of pervious areas influenced by urbanization and increases in extreme precipitation resulted from climate change. Conveying enlarging rainwater runoff requires an expansion of the draining system, which may cost a huge amount of grant investment. To deal with the problem, Low Impact Development (LID) techniques can be taken into consideration as a sustainable alternative option for urban drainage systems. However, the understanding of LID’s effects on urban flooding in different extreme rainfall characteristics is still limited. This study investigates potential performances of integration LID techniques (swale and infiltration trenches) in a drainage system by simulations EPA-SWMM models under different rainfall patterns for Quy Nhon, Vietnam. These performances have shown the effectiveness of the techniques in reducing the risks of flooding because of climate change. It also demonstrates that swales work more effectively in reducing flood probabilities which are caused by long duration and small peak rainfall compared to infiltration trenches. Whereas, infiltration trenches are more effective in reducing surface flooding but less efficient in cutting down the peak of generated runoff.
Potential Application of LID Techniques to Reduce Urban Flooding in Different Rainfall Pattern, Case Study for Quy Nhon, Vietnam
Springer Water
Gourbesville, Philippe (editor) / Caignaert, Guy (editor) / Vo, Nguyen Duc Phuoc (author) / Huynh, Thi Thu Tram (author) / Vo, Trung Dung (author)
2020-07-26
10 pages
Article/Chapter (Book)
Electronic Resource
English
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