基于18.6年卫星高度计资料对南海潮汐的分析与研究

Marine Forecasts(2014)

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Abstract
利用TOPEX/Poseidon,Jason-1/2共18.6年卫星高度计资料(含变轨后资料),采用最小二乘调和分析法,提取南海12个分潮(Sa,Ssa,Mm,Mf,Q1,O1,P1,K1,N2,M2,S2和K2)调和常数,与沿岸及岛屿58个验潮站数据拟合较好.结果表明,采用更长时间序列的卫星高度计数据,尤其是增加变轨后的资料,分析所得结果得到明显改善.结合沿岸及岛屿264个验潮站数据,绘制4个主要分潮(M2,S2,K1和O1)的等振幅线和同潮时线,较好的展现了南海潮汐分布特征.
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Key words
the South China Sea,tides,satellite altimetry,interleaved data,18.6 years,harmonic analysis
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