Application of sequency spectral method to ocean and atmosphere data analysis |
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| Authors: | Zhang Shuwen Sun Fu Tian Jiwei Zhou Faxiu |
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| Affiliation: | 1.Key Laboratory of Marine Science and Numerical Modelling, State Oceanic Administration, Qingdao 266003 and Qingdao University, Qingdao 266071, China2.Marine Environmental College, Ocean University of Qingdao, Qingdao 266003, China |
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| Abstract: | The chaotic systems of average monthly air temperature of Qingdao (SATQ) and the day SST of equatorial local area (DSSELA) are firstly studied by means of the sequency spectral method. It is shown that SATQ contains one-a period of predominant oscillation, two-a periods lower frepqency oscillation and 90-d, 63-d, 50-d, 40-d and 29-d lower frequency periods oscillation in DSSELA. Further more, the discrepancies between sequency spectrum and frequency spectrum are compared in this paper. |
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| Keywords: | Sequency spectrum frequency spectrum ocean and atmosphere time series analysis |
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