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The mechanisms of initiation and interaction of wind-induced solitary waves in a circular aerohydrochannel are experimentally investigated. We study the influence of flotation (floating mass) and surface-active substances on the time of formation of a soliton and its parameters. It is shown that the increase in the concentration of surface-active substances and the amount of flotation leads to an increase in the time of initiation wind-induced solitary wave. It is shown that, in the case of small difference between the amplitudes of the interacting solitons, they behave as particles. In the case where the difference between the amplitudes is significant, the larger soliton passes through the smaller, which leads to the formation of a single soliton as a result of multiple interaction between the original solitons.