Vol. 11, issue 12, article # 5

Gordov E.P., Rodimova O.B., Fazliev A.Z. On the dynamics of a simple system of reactions modeling the oxygen-hydrogen cycle in the mesosphere. // Atmospheric and oceanic optics. 1998. V. 11. No. 12. P. 1108-1111.
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Complete qualitative analysis of a few-variable model of the oxygen-hydrogen atmosphere (three reactions including oxygen constituents and a hypothetical combined reaction of ozone and hydrogen introduced by Syvorotkin and Sadovskii) is performed. Drastic difference in the concentration behavior has been revealed under definite combinations of the initial concentrations. The concentration behavior of the oxygen constituents found is similar to that which follows from a solution of the Young-Brasseur system describing processes in the mesosphere, the values of the corresponding parameters being comparable. Thus, it is shown that the phase portrait of the few-variable reaction system allows one to predict the regions of appearance of qualitative peculiarities in a more complicated model.