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Various features of VLF waves generated by lightning discharge

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Il Nuovo Cimento C

Summary

Using the well-accepted features of lightning discharge, we have studied certain aspects of electromagnetic-wave generation, frequency spectrum and polar characteristics of these radiations. The effect of conducting ground and ionospheric layer on the attenuation of VLF signal is discussed. The likely role of the verticality of cloud-to-ground discharges and the horizontality of cloud-to-cloud discharges in launching of VLF waves and governing the occurrence and overall morphology of whistlers is discussed.

Riassunto

Usando le caratteristiche accettate della scarica del fulmine, sono stati studiati alcuni aspetti della generazione di onde elettromagnetiche, lo spettro di frequenza e le caratteristiche polari di queste radiazioni. Si discute l'effetto del terreno conduttore e dello strato ionosferico sull'attenuazione del segnale VLF. Si discute il ruolo probabile della verticalità delle scariche dalle nuvole alla terra e dell'orizzontalità della scariche tra nuvole nel lancio di onde VLF e nel regolare il verificarsi e la morfologia globale dei sibili.

Резюме

Используя хорошо известные особенности разряда молнии, мы исследуем некоторые аспекты образования тлектромагнитных волн, частотный слектр и характерисики поляры этого излучения. Обсуждается влияние проводимости земли и ионосферного слоя затухание VLF сигнала. Обсуждается роль вертикаляности разрядов между облаком и землей и горизонтальностью разрядов между облаками при возбуждении VLF волн и при определении появления и полной морфологии свистящнх атмосфериков.

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Prasad, R., Singh, R.N. Various features of VLF waves generated by lightning discharge. Il Nuovo Cimento C 5, 462–476 (1982). https://doi.org/10.1007/BF02561651

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  • DOI: https://doi.org/10.1007/BF02561651

PACS. 94.30

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