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7 December 2022 Mechanisms of gas formation in eruptive clouds
E. I. Malkin, N. V. Cherneva, D. V. Sannikov, R. R. Akbashev, G. I. Druzhin
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Proceedings Volume 12341, 28th International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics; 123416E (2022) https://doi.org/10.1117/12.2644898
Event: 28th International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics, 2022, Tomsk, Russia
Abstract
Continuous monitoring of electromagnetic radiation of natural origin in VLF range (3-30 kHz) allowed us to collect a long-term data base of thunderstorm activity in Kamchatka peninsula. The collected data base also includes lightning cells determined by «dirty thunderstorms» generated during volcanic explosive eruptions. The earlier analysis showed that two-stage scenario of development is typical for all «dirty thunderstorms». The first stage is accompanied by eruptive column formation and depends on eruption power and ash cloud height. The second stage, depending on eruption power and on eruptive cloud interaction during its propagation with meteorological clouds, is associated with eruptive cloud formation and propagation. The paper shows the mechanism of gas formation in eruptive clouds. It explains the sequence of two stages.
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E. I. Malkin, N. V. Cherneva, D. V. Sannikov, R. R. Akbashev, and G. I. Druzhin "Mechanisms of gas formation in eruptive clouds", Proc. SPIE 12341, 28th International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics, 123416E (7 December 2022); https://doi.org/10.1117/12.2644898
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KEYWORDS
Clouds
Radio propagation
Electromagnetic radiation
Explosives
Meteorology
Data centers
Wave propagation
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