The formation of a cavity in the night-time midlatitude ionospheric E-region above a thundercloud

The influence of the thundercloud electrostatic field on the night-time midlatitude ionospheric E-region is theoretically studied. It is shown that for some degree of thundercloud electrization a cavity is formed in the upper part of the E-region above the cloud. The electron density inside the cavi...

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Veröffentlicht in:	Planetary and space science 1990-06, Vol.38 (6), p.703-707
Hauptverfasser:	Hegai, V.V., Kim, V.P., Illich-Svitych, P.V.
Format:	Artikel
Sprache:	eng
Schlagworte:	Earth, ocean, space Exact sciences and technology External geophysics Ionospheric disturbances Physics of the ionosphere
Online-Zugang:	Volltext
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Beschreibung
Zusammenfassung:	The influence of the thundercloud electrostatic field on the night-time midlatitude ionospheric E-region is theoretically studied. It is shown that for some degree of thundercloud electrization a cavity is formed in the upper part of the E-region above the cloud. The electron density inside the cavity is several (up to 10) times smaller than the background electron density. The horizontal dimension of the cavity is about 200 km. The E-region maximum electron density decreases appreciably above the thundercloud as well.
ISSN:	0032-0633 1873-5088
DOI:	10.1016/0032-0633(90)90030-T