Abstract
A theoretical model is proposed for determining the inclination (tilt) of the ground surface when a convective vortex, e.g., a dust devil, passes near a seismometer. For the Lorentzian profile of the pressure drop in the vortex flow, an expression for the ground tilt is obtained, which is valid for all distances of the closest approach of the vortex to the seismometer (miss distances). It is shown that, in this case, the combined seismic and meteorological measurements allow the elastic properties of the soil to be determined provided additional knowledge of the miss distance is available. On the contrary, if the elastic properties of the soil are known in advance, the combined seismic and meteorological measurements make it possible to determine all the main parameters of the vortex, as well as the closest approach distance of the vortex to the sensors. This is illustrated with examples of convective vortices recorded during the InSight mission to Mars.
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