Analysis of flood vulnerability and assessment of the impacts in coastal zones of Bangladesh due to potential sea-level rise

The 4th IPCC report highlights the increased vulnerability of the coastal areas from floods due to sea-level rise (SLR). The existing coastal flood control structures in Bangladesh are not adequate to adapt these changes and new measures are urgently necessary. It is important to determine the impac...

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Bibliographic Details
Published in:Natural hazards (Dordrecht) 2012-03, Vol.61 (2), p.729-743
Main Authors: Bhuiyan, Md. Jabed Abdul Naser, Dutta, Dushmanta
Format: Article
Language:English
Subjects:
Assessments
Authority
Bangladesh
Civil Engineering
Coastal
Coastal zone
Coastal zone management
Computer simulation
Earth and Environmental Science
Earth Sciences
Earth, ocean, space
Economic impact
Emergency preparedness
Engineering and environment geology. Geothermics
Environmental impact
Environmental Management
Environmental policy
Exact sciences and technology
Flood control
Flood damage
Flood plain management
Floodplains
Floods
Geophysics/Geodesy
Geotechnical Engineering & Applied Earth Sciences
Hydrogeology
Infrastructure
Marine
Natural Hazards
Natural hazards: prediction, damages, etc
Natural resources
Original Paper
Population
Risk
Risk assessment
Rivers
Sea level
Transportation
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Summary:The 4th IPCC report highlights the increased vulnerability of the coastal areas from floods due to sea-level rise (SLR). The existing coastal flood control structures in Bangladesh are not adequate to adapt these changes and new measures are urgently necessary. It is important to determine the impacts of SLR on flooding to analyse the performance of the existing structures and corresponding impact to plan for suitable adaptation and mitigation measures to reduce the impacts of floods on coastal zone. The study aims to develop a comprehensive understanding of the possible effects of SLR on floods in the coastal zone of Bangladesh. A hydrodynamic model, which is a combination of surface and river parts, was utilized for flood simulation. The tool was applied under a range of future scenarios, and results indicate both spatial variability of risk and changes in flood characteristics between now and under SLR. Estimated impact on population, infrastructure and transportation is also exposed. These types of impact estimation would be of value to flood plain management authorities to minimize the socio-economic impact.
ISSN:0921-030X
1573-0840
DOI:10.1007/s11069-011-0059-3