Backwater effect caused by sea level rise in fluvial flood simulation
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- Ikeuchi Hiroaki
- Graduate School of Engineering, the University of Tokyo
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- Hirabayashi Yukiko
- Graduate School of Engineering, the University of Tokyo
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- Yamazaki Dai
- Japan Agency for Marine-Earth Science and Technology
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- Kiguchi Masashi
- Institute of Industrial Science, the University of Tokyo
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- Koirala Sujan
- Max Plank Institute for Biogeochemistry
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- Kanae Shinjiro
- Graduate School of Science and Engineering, Tokyo Institute of Technology
Bibliographic Information
- Other Title
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- 海水準上昇を伴う河川洪水氾濫解析における背水効果の分析
Description
Fluvial floods cause adverse effects on human beings. Recent studies have revealed that climate change would exacerbate flood damage due to increasing precipitation and runoff. Furthermore, sea level rise may be an additional risk for deltaic lowlands. Hence, projection of fluvial flood hazard with sea level rise taken into account has a large implication. In this study, we focused on the backwater effect caused by sea level rise in flood simulation. The target region was Ganges Delta located in Bangladesh. The effect of sea level rise can be represented as changes in pressure force term in a momentum equation. We conducted two types of simulation with/without backwater effect. Backwater effect was found to enhance flood extent in a wide area. In conclusion, a sophisticated hydrodynamic flow equation is required in flood simulation with the effect of sea level rise.
Journal
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- Proceeding of Annual Conference
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Proceeding of Annual Conference 28 (0), 100051-, 2015
THE JAPAN SOCIETY OF HYDROLOGY AND WATER RESOURCES
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Details 詳細情報について
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- CRID
- 1390282680688619648
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- NII Article ID
- 130005491821
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- Text Lang
- ja
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- Data Source
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- JaLC
- CiNii Articles
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- Abstract License Flag
- Disallowed
