ISSN 1006-8775CN 44-1409/P

    ON PROBLEMS OF HIGHLY TRUNCATED LOW-SPECTRAL MODEL IN STUDIES OF MULTIPLE EQUILIBRIA IN THE ATMOSPHERE

    • The multiple atmospheric equilibria are studied by using a barotropic vorticity equation with thermal forcing and dissipative effects. Different low-spectral models are used to discuss the variations of theequilibrium states, with the results that the multiple features of equilibrium states depend heavily on thetruncations of the spectra, and the low-spectral model has obvious shortcomings in solving non-linear equations,suggesting that one has to be very Careful to employ highly truncated low-spectral model in approximating partial differential equations.
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