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Sea Level Fluctuation in West Taiwan

W.J. Chen and C.T. Kuo
Journal of Coastal Research
Special Issue 34. International Coastal Symposium (ICS 2000): CHALLENGES FOR THE 21ST CENTURY IN COASTAL SCIENCES, ENGINEERING AND ENVIRONMENT (August 2001), pp. 665-670
Stable URL: http://www.jstor.org/stable/25736332
Page Count: 6
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Sea Level Fluctuation in West Taiwan
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Abstract

If sea level rises significantly around Taiwan, it would cause many devastating impacts to its western coastal area, such as flooding, wave overtopping, beach erosion, etc. The purpose of this paper is to discuss the apparent sea level fluctuation in Western Taiwan by analyzing tidal data at all tidal sites along the west coastline. The result shows that the relative sea levels at most west coastal locations have a rising trend except around Taichung Harbor. The largest sea level rise rates are 1.92 cm/year in Wenkung and 1.1 cm/year in Junjung. Sea levels for both Keelung Harbor and Kaohsiung Harbor areas also show a rising tendency, but their rates are rather small, just 0.35 mm/year and 0.58 mm/year, respectively. Sea level fluctuation for Taichung Harbor shows a falling trend of 0.52 cm/year. Because almost all those tidal sites on the west coast are affected by some degree of ground subsidence, the regional sea level rise requires further more thorough study.

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