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Satellite observation on coastal change in the Western Hunching Peninsula, Southern Taiwan

This study integrates multi-satellite images for investigating coastal erosion in the Western Hen-Chung peninsula, southern Taiwan. Coastal erosion was observed in the estuaries with erosion rate of 1.2 m/yr. Sediment slightly accumulated in the southern part the study area while a semi-closed bay was filed by inappropriate artificial construction. In addition, coastline erosion occurred in 2009 after typhoon passage, but it gradually silted through time. However, human activities and coastal engineering were mainly factors that change the coastal environment rather than nature weather dose. It is suggested that human actives and artificial constructions should be prohibited for the coastal zone development.