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【说明】并非潮汐相关专业,相关结果是在查阅相关资料后的理解,不对之处,敬请指正!
FES2014是一个全球潮汐模型,输出了34个潮汐分量(分潮,tide component),比较重要的有K1, O1, M2, S2等四个分量。
首先,计算form ration F = (K1 + O1)/(M2 + S2),对潮汐进行分类:
F = 0.00 - 0.25: semidiurnal tides
F = 0.25 - 1.50: mixed, dominantly semidiurnal tides
F = 1.50 - 3.00: mixed, dominantly diurnal tides
F > 3.00: diurnal tides
平均最大Tidal Range(潮差)可通过以下公式计算:
Tidal Range = 2*(M2 + S2) for semi-diurnal tides (F = 0.00 - 0.25);
Tidal Range = 2*(M2 + K1 + O1) for diurnal or semi-diurnal tides (F > 0.25);
以上K1, O1, M2, S2均为对应分潮的振幅(Amplitude)
参考文献:
https://byjus.com/free-ias-prep/tides/
https://wiki.baw.de/en/index.php/Harmonic_Analysis_of_Water_Level
https://cran.r-project.org/web/packages/TideHarmonics/vignettes/austides.pdf
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