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1 May 2005 Typhoon Induced Extreme Coastal Surge: A Case Study at Northeast Taiwan in 1994
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During the typhoon season, storm surges often instigate serious damages to the coastal areas of Taiwan. In August 1994, typhoon Doug almost completely destroyed the breakwaters and docking facilities in the Lungtung harbor at the northeast tip of Taiwan. The estimated maximum sea level rise was about 3m. Analyses of tide, wave and meteorological records indicate that the amplitude and spatial pattern of storm surges are related to the local wind speed, direction and duration as well as the local geometry. A linear two-dimensional numerical model is used to quantify the storm surge structure. The model results indicate that sea levels reached a maximum of about 2 m at the peak of the storm. The largest surge, however, does not occur at where the most severe damage was located. This suggests that the wave run-up could be an important contribution to the storm surge.

Yu-Huai Wang, I-Huan Lee, and Dong-Ping Wang "Typhoon Induced Extreme Coastal Surge: A Case Study at Northeast Taiwan in 1994," Journal of Coastal Research 2005(213), 548-552, (1 May 2005).
Received: 3 April 2003; Accepted: 9 July 2003; Published: 1 May 2005

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