Experimental study of the mechanisms of the impact of large tropical cyclones on the ionosphere

V. I. Zakharov

doi:10.1117/12.2574814

12 November 2020 Experimental study of the mechanisms of the impact of large tropical cyclones on the ionosphere

V. I. Zakharov

Proceedings Volume 11560, 26th International Symposium on Atmospheric and Ocean Optics, Atmospheric Physics; 115607Y (2020) https://doi.org/10.1117/12.2574814
Event: 26th International Symposium on Atmospheric and Ocean Optics, Atmospheric Physics, 2020, Moscow, Russian Federation

Abstract

The paper discusses the transfer to the ionosphere of disturbances, that are produced by powerfull events in the atmosphere - tropical typhoons or cyclones. As experimental results, the electron density measurements carried out on ESA SWARM satellites were used. All the largest events in 2014 (typhones of categories 4 and 5 on the Saffir-Simpson scale) were processed. The used methods distinguish two type of the response. We can detect both wave-like responses from the cyclone in the ionosphere and disturbances that can be associated with the electric field mechanisms. The second type responses manifest themselves in the form of electrostatic noise or magnetic field variations, that are often recorded by the onboard equipment of modern satellites.

Citation Download Citation

V. I. Zakharov "Experimental study of the mechanisms of the impact of large tropical cyclones on the ionosphere", Proc. SPIE 11560, 26th International Symposium on Atmospheric and Ocean Optics, Atmospheric Physics, 115607Y (12 November 2020); https://doi.org/10.1117/12.2574814

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