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Anomalous Decimeter Radio Noise from the Region of the Atmospheric Front: II. On the Nonthermal Mechanism of UHF Noise

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Abstract

The intensity and spectrum of nonthermal radiation from a cloud of oppositely charged drops as a possible explanation for the anomalous UHF radio noise originating from frontal clouds have been considered. It has been shown that the noise intensity is determined by the dimensions of charged particles and the particle electrification rate, which must equal 0.1–0.3 C/s km3. The radiation spectrum in the UHF range strongly depends on the resistance of microdischarge channels between drops. The frequency dependence of the radiation agrees with experimental data if R ≤ 377 Ω, i.e., if oscillations of the discharge current appear.

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Authors and Affiliations

  1. Institute of Applied Physics, Russian Academy of Sciences, Nizhny Novgorod, 603950, Russia

    V. V. Klimenko & E. A. Mareev

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  1. V. V. Klimenko
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  2. E. A. Mareev
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Correspondence to V. V. Klimenko.

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Original Russian Text © V.V. Klimenko, E.A. Mareev, 2018, published in Izvestiya Rossiiskoi Akademii Nauk, Fizika Atmosfery i Okeana, 2018, Vol. 54, No. 4, pp. 446–452.

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Klimenko, V.V., Mareev, E.A. Anomalous Decimeter Radio Noise from the Region of the Atmospheric Front: II. On the Nonthermal Mechanism of UHF Noise. Izv. Atmos. Ocean. Phys. 54, 380–385 (2018). https://doi.org/10.1134/S0001433818040254

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  • DOI: https://doi.org/10.1134/S0001433818040254

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