Analysis of 19-year tidal data |
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| Authors: | Zuke Huang Zongyong Chen Hongye Si Lin Ye |
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| Institution: | (1) Ocean University of Qingdao, 266003 Qingdao, China;(2) National Marine Environmental Forecasting Centre, 100081 Beijing, China |
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| Abstract: | 19-year tidal data of the 3 stations, Huludao, Qinhuangdao and Kanmen, have totally been analysed, and the amplitudes and
phases of 472 tidal constituents have been calculated with a resolution of Δσ⩾ 0.002 2°/h. Based on the draconitic tide, the
anornalistic tide and pole tide obtained, the ultra-long-period variations of the mean sea level have been predicted. The
annual tidal analysis of 19-year data at the above-mentioned stations and at Tanggu, Longkou has been carried out. The stability
of the annual tidal analysis has been investigated with regard to the astronomical factors, the nonlinear effects and the
variations of sea-bottom topography. |
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| Keywords: | tidal analysis analysis of 19-year tidal data mean sea level |
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