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http://dx.doi.org/10.9765/KSCOE.2013.25.3.165

Decomposition of Tidal Residual Data Using a Wavelet Method and Characteristic Analysis of Their Short-period Components  

Kang, Ju Whan (Dept. of Civil Engineering, Mokpo National University)
Kim, Yang-Seon (Dept. of Civil Engineering, Mokpo National University)
Cho, Hongyeon (Marine Environment and Conservation Research Division, Korea Institute of Ocean Science and Technology)
Publication Information
Journal of Korean Society of Coastal and Ocean Engineers / v.25, no.3, 2013 , pp. 165-171 More about this Journal
Abstract
The fact that tidal residuals are detected greatly at the tide-dominated region implies that tide component has still remained in the tidal residual. Auto-correlation function analysis also show that the auto-correlation coefficients are conspicuous near tidal periods at the Western Coast. A wavelet method was used to analyze characteristics of the short period or tide-relevant residuals. Considering the results that tidal period is prominent at the tide-dominated region, that seasonal variation is trivial at the short periods, and that shallow tidal period is conspicuous at Mokpo, the short period can be considered to be correlated with tide modulated surge. The result also shows short period components stem mainly from tide-forecasting error and tide-surge interaction. Thus tide modulated surge must be distinguished from meteorological surge.
Keywords
tidal residual; tide modulated surge; auto-correlation function; short period component; wavelet method;
Citations & Related Records
Times Cited By KSCI : 3  (Citation Analysis)
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