Field observation and numerical simulation of past and future storm surges in the Bay of Bengal: case study of cyclone Nargis

Khandker Masuma Tasnim*, Tomoya Shibayama, Miguel Esteban, Hiroshi Takagi, Koichiro Ohira, Ryota Nakamura

*この研究の対応する著者

研究成果: Article査読

39 被引用数 (Scopus)

抄録

Storm surges are one of the most important risks to coastal communities around the Bay of Bengal, and it is feared that the threat they pose will increase with climate change in the future. To understand the threats that these events pose, a summary of the field surveys performed in Yangon River Basin after cyclone Nargis in Myanmar in 2008 is presented. Though due to government restrictions survey activities were limited to the area near Yangon city, it was found out that the tide due to the storm surge was probably between 3 and 4 m high and travelled around 50 km upstream of the river mouth of Yangon River. Cyclone Nargis could be accurately reproduced using a numerical model that integrated weather, wave, coastal ocean models, and tide prediction system. The application of such an integrated model is relatively new for storm surge simulation and has never been used for the Bay of Bengal storms. The model was then used to also simulate future cyclones over the Bay of Bengal considering a future climate change scenario.

本文言語English
ページ(範囲)1619-1647
ページ数29
ジャーナルNatural Hazards
75
2
DOI
出版ステータスPublished - 2015 12月 16

ASJC Scopus subject areas

  • 水の科学と技術
  • 大気科学
  • 地球惑星科学(その他)

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