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Water 2017, 9(6), 364; doi:10.3390/w9060364

Shoreline Response to a Sequence of Typhoon and Monsoon Events

1
LEGOS (Université de Toulouse/CNRS/CNES/IRD), 31400 Toulouse, France
2
Faculty of Marine and Coastal Engineering, Thuyloi University, Hanoi, Vietnam
3
Department of Civil and Environmental Engineering, Tohoku University, Sendai 980-8576, Japan
*
Author to whom correspondence should be addressed.
Academic Editor: Maurizio Barbieri
Received: 11 April 2017 / Revised: 16 May 2017 / Accepted: 18 May 2017 / Published: 23 May 2017
(This article belongs to the Special Issue Sediment Transport in Coastal Waters)
View Full-Text   |   Download PDF [658 KB, uploaded 23 May 2017]   |  

Abstract

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. View Full-Text
Keywords: Vietnam; South China Sea; erosion; recovery; storminess; winter monsoon; typhoons Vietnam; South China Sea; erosion; recovery; storminess; winter monsoon; typhoons
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Almar, R.; Marchesiello, P.; Almeida, L.P.; Thuan, D.H.; Tanaka, H.; Viet, N.T. Shoreline Response to a Sequence of Typhoon and Monsoon Events. Water 2017, 9, 364.

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