Power, S., T. Casey, C. Folland, A. Coleman, and V. Mehta, 1999. Interdecadal modulation of the impact of ENSO upon Australia climate. Climate Dyn. (in press).
Preisendorfer, R.W. and C.D. Mobley, 1988. Principal Component Analysis in Meteorology and Oceanography, Elsevier, 425 pp.
Reynolds R.W. and D.C. Marsico, 1993. An improved real-time global sea surface temperature analysis. J. Clim., 6, 114-119.
Schopf, P.S., and M.J. Suarez, 1988. Vacillations in a coupled ocean-atmosphere model. J. Atmos. Sci., 45, 549-566.
Tourre, Y. and W.B. White, 1995. ENSO signals in global upper ocean temperature. J. Phys. Oceanogr., 25, 1317-1332.
Tourre, Y. and W.B. White, 1997. Evolution of the ENSO signal over the Indo-Pacific domain. J. Phys. Oceanogr., 27, 683-696.
Tourre, Y. and W.B. White, 1998. Evolution of the ENSO signal over the Pacific-Atlantic domain. J. Phys. Oceanogr. (in review).
von Storch, H, and F.W. Zwiers, 1999. Statistical Analysis in Climate Change Research. Cambridge Press, Camb, U.K., 484 pp.
Webster, P.J., 1994. The role of hydrological processes in ocean-atmosphere interactions. Rev. Geophys., 32, 427-476.
White, W.B., 1995. Design of a global observing system for basin-scale upper ocean temperature anomalies. Prog. Oceanogr. , 36, 169-217
White, W.B. and D.R. Cayan, 1998. Quasi-periodicity and global symmetries in interdecadal upper ocean temperature variability. J. Geophys. Res., 103, 21335-21354.
White, W.B. and D.R. Cayan, 1999. A global ENSO wave in surface temperature and pressure and its interdecadal modulation from 1900 to 1996. J. Geophys. Res., (in press).
White, W.B. and R. Allan, 1999. A global biennial wave in surface temperature and pressure and its interdecadal modulation from 1900 to 1996. J. Geophys. Res., (in review).

Zhang, Y., J. M. Wallace, and D.S. Battisti, ENSO-like interdecadal variability 1900-93, J. Clim., 10, 1004-1020, 1997.
List of Figures
Figure 1. (Top) Zonal wavenumber-frequency spectrum (Bendat and Piersol, 1986, pages 361-424) of GISST monthly SST anomalies computed from time-longitude diagrams extending across the Indian and Pacific oceans along the equator from 45。? to 80。? over the 98 years from January 1900 to December 1997.