Merle J,Arnault S.Seasonal variability of the surface dynamic topography in the tropical Atlantic Ocean[J].Journal of Marine Research,1985,43:267-288.
[2]
Xie S P,Carton J A.Tropical Atlantic variability:patterns,mechanisms,and impacts[A].Wang C,Xie S-P,Carton J A.Earth Climate:The Ocean-Atmosphere Interaction,Geophysical Monograph(147)[C].Washington D C:AGU,2004.121-142.
[3]
Richardson PL,Walsh D.Mapping climatological seasonal variations of surface currents in the tropical Atlantic using ship drifts[J].Journal of Geophysical Research,1986,91(C9):10 537-10 550.
[4]
Richardson P L,Mckee T K.Average seasonal variation of the Atlantic equatorial currents from histroical ship drifts[J].Journal of Physical Oceanography,1984,14:1 226-1 238.
[5]
Richardson P L,Reverdin G.Seasonal cycle of velocity in the Atlantic north equatorial countercurrent as measured by surface drifters,current meters,and ship drifts[J].Journal of Geophysical Research,1987,92(C4):3 691-3 708.
[6]
Arnault S,Cheney R E.Tropical Atlantic sea level variability from geosat (1985～1989)[J].Journal of Geophysical Research,1994,99(C9):18 207-18 223.
[7]
Arnault S,Morli(e)re A,Merle J Y,et al.Low-frequency variability of the tropical Atlantic surface topography:altimetry and model comparison[J].Journal of Geophysical Research,1992,97(C9):14 259-14288.
[8]
Huang N E.The empirical mode decomposition and the Hilbert spectrum for nonlinear and non-stationary time series analysis[J].Proc R Soc Lond,1998,454:903-995.
Zhao J P.Improvement of the mirror extending in empirical mode decomposition method and the technology for eliminating frequency mixing[J].High Technology Letters,2002,8(3):40-47.
