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  • Presentation | NH51D: Compound, Consecutive, and Cascading Events: Challenges for Risk Assessment and Management II Poster
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  • NH51D-0218: Understanding Compound and Cascading Hazards During Cyclone Remal in Coastal Bangladesh
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  • Board 0218‚ Hall EFG (Poster Hall)
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Author(s):
Md. Hasanur Rahman, Bangladesh University of Engineering and Technology (First Author, Presenting Author)
Ferdousi Akter Mishu, Bangladesh University of Engineering and Technology (BUET)
Nazifa Tabassum, Bangladesh University of Engineering and Technology
Md Rajibul Islam, Bangladesh University of Engineering and Technology (BUET)
. Shampa, Bangladesh University of Engineering and Technology (BUET)
Sonia Murshed, Bangladesh University of Engineering and Technology (BUET)
Shammi Haque, Bangladesh University of Engineering and Technology
Lamia Tahsin Kamal Purnata, Bangladesh University of Engineering and Technology
Ferdousi Rahman, Institute of Water and Flood Management (IWFM), BUET
Mashfiqus Salehin, Bangladesh University of Engineering and Technology


The coastal areas of Bangladesh face serious risks from multiple, connected hazards during cyclones—like storm surges, heavy rain, and strong winds—that can combine and worsen the damage. These events can lead to severe flooding and problems like saltwater entering farmland and water supplies, which affects agriculture, ecosystems, and people's health.


This study looked at Cyclone Remal (2024) and how it affected two areas: Gabura (high saline prone area but less exposed) and Moudubi (less saline prone area but more exposed). Researchers used detailed flood and salinity models along with community surveys to understand the impacts.


Findings showed that Moudubi had deeper flooding (up to 1.4 meters) and higher salinity (over 8 ppt for a month), while Gabura had less flooding (0.8 meters) but still serious impacts. Surveys revealed that many people in Moudubi (61.8%) and even in Gabura (17.2%) suffered from salinity problems.


Overall, the study shows how combined hazards can make cyclone damage worse and last longer, and it emphasizes the need for better planning that considers multiple risks together.




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