Shoreline response to a sequence of typhoon and monsoon events

Rafael Almar, Patrick Marchesiello, Luis Pedro Almeida, Duong Hai Thuan, Hitoshi Tanaka, Nguyen Trung Viet

Research output: Contribution to journalArticlepeer-review

19 Citations (Scopus)


Shoreline continuously adapts to changing multi-scale wave forcing. This study investigates the shoreline evolution of tropical beaches exposed to monsoon events and storms with a case study in Vietnam, facing the South China Sea, over the particularly active 2013-2014 season, including the Cat-5 Haiyan typhoon. Our continuous video observations show for the first time that long-lasting monsoon events have more persistent impact (longer beach recovery phase) than typhoons. Using a shoreline equilibrium model, we estimate that the seasonal shoreline behavior is driven by the envelope of intra-seasonal events rather than monthly-averaged waves. Finally, the study suggests that the interplay between intra-seasonal event intensity and duration on the one hand and recovery conditions on the other might be of key significance. Their evolution in a variable or changing climate should be considered.

Original languageEnglish
Article number364
JournalWater (Switzerland)
Issue number6
Publication statusPublished - 2017 May 23


  • Erosion
  • Recovery
  • South China Sea
  • Storminess
  • Typhoons
  • Vietnam
  • Winter monsoon


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