The impact of typhoons on the hydro-morphodynamics of sandy barriers

Projet en cours

Project leader GLADYS (Groupe LAnguedoc-Roussillon d'étude de l'hydrodynamique et de la DYnamique Sédimentaire littorale : UMR Géoscience Montpellier 2, LEGEM de Perpignan, Institut de Mathématiques et de Modélisation de Montpellier, Laboratoire d'Océanographie Biologiq
Research partners Tainan Hydraulic Laboratory
Budget 415 K€
Cofinanceur publics ANR
Year of labeling 2008
Year of co-financing 2008

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Taiwan is located in a subtropical region exposed to extreme weather events, and is on the path of many major typhoons. As a result of this more than 38 typhoons have crossed Taiwan over the past 10 years. In addition, the south-west side of the island of Taiwan has unique lagoon systems. The sandy barrier islands are well developed and morphological structures such as flood deposits and openings to shallow saline lakes are clearly marked. In the province of Tainan, the CIGU lagoon and the sandy Liao Wan-Tzy lido form part of the world's most important coastal systems. The ANR-Shen Kun project aims to identify little known phenomena during events such as typhoons and their impact on hydro-sedimentary processes on the CIGU coastline. The challenge of this project is to combine a land based approach with physical experiments, numerical modelling, and a more general naturalist point of view with theoretical physics.