Abstract
We have found a new type of large-scale instability in a rotating stratified moist atmosphere with small-scale turbulence. The turbulence is excited by an external small-scale force with a low Reynolds number. We have constructed the theory based on the method of multiscale asymptotic expansions. The nonlinear equations for large-scale motion have been derived in the third order of the perturbation theory. We have investigated the linear instability and stationary nonlinear regimes. Solutions in the form of localized vortex structures or kinks of a new type have been obtained.
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Original Russian Text © M.I. Kopp, A.V. Tur, V.V. Yanovsky, 2017, published in Zhurnal Eksperimental’noi i Teoreticheskoi Fiziki, 2017, Vol. 151, No. 6, pp. 1179–1192.
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Kopp, M.I., Tur, A.V. & Yanovsky, V.V. Nonlinear vortex dynamo in a rotating stratified moist atmosphere. J. Exp. Theor. Phys. 124, 1010–1022 (2017). https://doi.org/10.1134/S1063776117060127
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DOI: https://doi.org/10.1134/S1063776117060127