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Analysis on the Estimation Error of the Lowest and Highest Astronomical Tides using the Wido Tidal Elevation Data
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 Title & Authors
Analysis on the Estimation Error of the Lowest and Highest Astronomical Tides using the Wido Tidal Elevation Data
Jeong, Shin Taek; Yoon, Jong Tae; Cho, Hongyeon; Ko, Dong Hui; Kang, Keum Seok;
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In designing of the wind power facilities, the highest and lowest astronomical tides (HAT and LAT) are needed in terms of an international design tidal water levels. The AHHW and ALLW, however, have been used as the design tidal levels in Korea. The HAT and LAT in the Wido coastal sea should be estimated to satisfy the standard because the pilot wind power facilities will be located in the adjacent Wido coastal sea. In this study, the HAT and LAT are estimated using the 31-years hourly tidal elevation data of the Wido tidal gauging station and the nodal variation patterns of the major lunar components, such as , , and , are analysed to check the expected long-term lunar cycle, i.e., 18.61-year`s nodal variation patterns. The temporal amplitude variations of the , , and clearly show the 18.61-years periodic patterns in case of the no-nodal correction condition. In addition, the suggested HAT and LAT elevations, estimated as the upper and lower confidence limits of the yearly HAT and LAT elevations, show 40 cm greater than AHHW and 35 cm lower than ALLW, respectively.
wido tidal elevation data;highest astronomical tide(HAT);lowest astronomical tide(LAT);AHHW and ALLW;nodal correction;
 Cited by
한국 연안의 노출 및 침수 양상 분석,고동휘;정신택;조홍연;

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