| Sumario: | The new Lorenz system of general circulation of the atmosphere, which exhibits an immense variety of bifurcation sequences, is studied by computer simulation. When the external heating varies, periodic and turbulent regions are found. In the periodic regions, period-doubling, period-halving and saddle-node bifurcations are observed. Also, at certain parameter intervals, hysteresis and coexistence of attractors is reported. The chaotic behavior in the turbulent region is discussed with the aid of Lyapunov analysis and correlation dimension calculations. © 1992.
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