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http://dx.doi.org/10.9765/KSCOE.2016.28.2.101

Analysis on the Estimation Error of the Lowest and Highest Astronomical Tides using the Wido Tidal Elevation Data  

Jeong, Shin Taek (Department of Civil and Environmental Engineering, Wonkwang University)
Yoon, Jong Tae (Department of Civil Engineering, Kyungsung University)
Cho, Hongyeon (Coastal & Environmental Engineering Division, Korea Institute of Ocean Science & Technology)
Ko, Dong Hui (Hae Poong Engineering Inc.)
Kang, Keum Seok (KEPCO Research Institute)
Publication Information
Journal of Korean Society of Coastal and Ocean Engineers / v.28, no.2, 2016 , pp. 101-108 More about this Journal
Abstract
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 $M_2$, $O_1$, and $K_1$, 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 $M_2$, $O_1$, and $K_1$ 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.
Keywords
wido tidal elevation data; highest astronomical tide(HAT); lowest astronomical tide(LAT); AHHW and ALLW; nodal correction;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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