Dust devil vortex generation from convective cellsстатьяИсследовательская статья
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Дата последнего поиска статьи во внешних источниках: 17 апреля 2018 г.
Аннотация:We have developed a hydrodynamic theory of the nonlinear stage of dust devil generation in a convectively unstable atmosphere with large-scale seed vertical vorticity. It is shown that convective motion in such an atmosphere transforms into dust devils extremely fast. The strong vortical structure of the dust devils can be formed in a few minutes or even in a fraction of a minute. The formation process strongly depends on the convective instability growth rate and horizontal vorticity.