Possible weekly variations in the thunderstorm activity
By using observation data at the Yakutsk station (East Siberia) and the superposed epoch technique it has been obtained that there is a weekly cycle in thunderstorm activity variations which can be related to the industrial activities. To estimate a degree of thunderstorm activity variations, the ob...
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Veröffentlicht in: | Journal of atmospheric and solar-terrestrial physics 2005-03, Vol.67 (4), p.397-403 |
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Hauptverfasser: | , , , |
Format: | Artikel |
Sprache: | eng |
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Zusammenfassung: | By using observation data at the Yakutsk station (East Siberia) and the superposed epoch technique it has been obtained that there is a weekly cycle in thunderstorm activity variations which can be related to the industrial activities. To estimate a degree of thunderstorm activity variations, the observation data of VLF-radionoises and electromagnetic impulses of thunderstorm nature are used. In weekly distributions of the day level of the VLF-noises and electromagnetic impulse flux in summer, when their intensity is determined by the local thunderstorm activity, there is a main maximum in the middle of the week. The night distributions of VLF-noises and impulses caused by more distant thunderstorm sources at the time are turned out to be shifted by 1 day later relative to day distributions. |
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ISSN: | 1364-6826 1879-1824 |
DOI: | 10.1016/j.jastp.2004.11.006 |