Articles | Volume 20, issue 10
https://doi.org/10.5194/nhess-20-2823-2020
https://doi.org/10.5194/nhess-20-2823-2020
Research article
 | 
28 Oct 2020
Research article |  | 28 Oct 2020

Investigating beach erosion related with tsunami sediment transport at Phra Thong Island, Thailand, caused by the 2004 Indian Ocean tsunami

Ryota Masaya, Anawat Suppasri, Kei Yamashita, Fumihiko Imamura, Chris Gouramanis, and Natt Leelawat

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Latest update: 13 Jun 2024
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Short summary
This study examines the sediment transport during the 2004 Indian Ocean tsunami event on Phra Thong Island, Thailand. We use numerical simulations and sediment transportation models, and our modelling approach confirms that the beaches were significantly eroded predominantly during the first backwash phase. Although 2004 tsunami deposits are found on the island, we demonstrate that most of the sediment was deposited in the shallow coastal area, facilitating quick recovery of the beach.
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