Development of flood exposure and loss scenarios

Unprecedented climate change flags critical importance for low-lying nations, especially those in densely populated Asia, to conduct risk management against flooding. Flood loss is often exacerbated by the lack of cohesive risk assessment and understanding of interaction between assets destroyed and...

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Main Author: Chew, Charmaine Shi Yin
Other Authors: Lo Yat-Man, Edmond
Format: Final Year Project (FYP)
Language:English
Published: Nanyang Technological University 2021
Subjects:
Online Access:https://hdl.handle.net/10356/150168
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author Chew, Charmaine Shi Yin
author2 Lo Yat-Man, Edmond
author_facet Lo Yat-Man, Edmond
Chew, Charmaine Shi Yin
author_sort Chew, Charmaine Shi Yin
collection NTU
description Unprecedented climate change flags critical importance for low-lying nations, especially those in densely populated Asia, to conduct risk management against flooding. Flood loss is often exacerbated by the lack of cohesive risk assessment and understanding of interaction between assets destroyed and a country’s economy. The growth in infrastructure investments that boost regional connectivity for trade and economic growth within Asia are also raising concerns for such weather-related risks. This report analysed the hazard exposure and economic loss from the Laos-China railway in the event of a flood. Using an integrated approach of existing data selection and top-down processing, geo-referenced data of provinces in Lao PDR with flood history were determined. The results revealed expected loss from floods of various return period as well as maximum number of rail trips disrupted from a flood event. Through this study, a general transportation recovery readiness guideline from flooding loss was developed, with implication for proper land-use management suggested for infrastructure investment. This hazard assessment recognised the value of risk assessment to prepare for and minimise economic disruption from flood events. Additionally, results from the research can inform in future urban planning.
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spelling ntu-10356/1501682021-05-24T08:15:22Z Development of flood exposure and loss scenarios Chew, Charmaine Shi Yin Lo Yat-Man, Edmond School of Civil and Environmental Engineering cymlo@ntu.edu.sg Engineering::Civil engineering Unprecedented climate change flags critical importance for low-lying nations, especially those in densely populated Asia, to conduct risk management against flooding. Flood loss is often exacerbated by the lack of cohesive risk assessment and understanding of interaction between assets destroyed and a country’s economy. The growth in infrastructure investments that boost regional connectivity for trade and economic growth within Asia are also raising concerns for such weather-related risks. This report analysed the hazard exposure and economic loss from the Laos-China railway in the event of a flood. Using an integrated approach of existing data selection and top-down processing, geo-referenced data of provinces in Lao PDR with flood history were determined. The results revealed expected loss from floods of various return period as well as maximum number of rail trips disrupted from a flood event. Through this study, a general transportation recovery readiness guideline from flooding loss was developed, with implication for proper land-use management suggested for infrastructure investment. This hazard assessment recognised the value of risk assessment to prepare for and minimise economic disruption from flood events. Additionally, results from the research can inform in future urban planning. Bachelor of Engineering (Civil) 2021-05-24T08:15:21Z 2021-05-24T08:15:21Z 2021 Final Year Project (FYP) Chew, C. S. Y. (2021). Development of flood exposure and loss scenarios. Final Year Project (FYP), Nanyang Technological University, Singapore. https://hdl.handle.net/10356/150168 https://hdl.handle.net/10356/150168 en application/pdf Nanyang Technological University
spellingShingle Engineering::Civil engineering
Chew, Charmaine Shi Yin
Development of flood exposure and loss scenarios
title Development of flood exposure and loss scenarios
title_full Development of flood exposure and loss scenarios
title_fullStr Development of flood exposure and loss scenarios
title_full_unstemmed Development of flood exposure and loss scenarios
title_short Development of flood exposure and loss scenarios
title_sort development of flood exposure and loss scenarios
topic Engineering::Civil engineering
url https://hdl.handle.net/10356/150168
work_keys_str_mv AT chewcharmaineshiyin developmentoffloodexposureandlossscenarios