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Abstract
The present study assesses the climate change impact on local storm surges along the coasts of the Korean Peninsula and Tottori Prefecture, Japan. A series of storm surge simulations are conducted on a physical process-based storm surge model using direct forcing from general circulation model output data in the two periods of 1979–2008 and 2075–2099. It is found that the typhoon intensity is enhanced and its number increases under the future climate condition in the area of the Korean Peninsula (32° to 40° N and 120° to 138° E). In addition, the typhoon approach course moves by 0.523° westward in the future climate. From a series of storm surge simulations, the statistical analysis showed that the climate change influences the storm surge height regionally and locally; it decreases on the west coast of the Korean Peninsula in the future, whereas it increases on the south coast of the Korean Peninsula and on the coast of Tottori Prefecture, Japan.