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An isolated thunderstorm that occurred on August 6, 2009, in Datong, Qinghai province, China, was studied using a three-dimensional (3D) lightning mapping system distributed at seven stations. This thunderstorm exhibited a dominant positive electric field (corresponding to an overhead positive charge) at the ground. The 3D mapping results show that the thunderstorm took on an inverted dipole charge structure during its developing and mature stages from 09:08 UTC to 09:35 UTC when positive electric field was dominant. During the thunderstorm dissipating stage from 09:35 UTC to 09:58 UTC, the charge structure changed into four layers of positive, negative, positive and negative charges with heights of 5 km (height from the ground), 4 km, 3 km and 1.8 km, respectively. A comparison between the location of the lightning radiation sources and the radar echo shows that the radiation sources of the negative charge region corresponded to the region with radar reflectivity about 40 dBZ in both the developing and mature stages, while for the positive charge radiation sources, they were located in the region with relative weak radar echo in the developing stage but in the mature stage they corresponded to the region with radar reflectivity greater than the 40 dBZ.

Titel:	Electrical structure of a Qinghai―Tibet Plateau thunderstorm based on three-dimensional lightning mapping
Autor/in / Beteiligte Person:	YAJUN, LI ; GUANGSHU, ZHANG ; JUN, WEN ; DAOHONG, WANG ; YANHUI, WANG ; TONG, ZHANG ; XIANGPENG, FAN ; BIN, WU
Link:	E-Journal im Bestand der UB Hagen? View record from PASCAL Archive
Zeitschrift:	Atmospheric research, Jg. 134 (2013), S. 137-149
Veröffentlichung:	Amsterdam: Elsevier, 2013
Medientyp:	academicJournal
Umfang:	print, 3/4 p
ISSN:	0169-8095 (print)
Schlagwort:	Asie Asia Chine China Extrême Orient Far East Extremo Oriente Plateau Tibet Qinghai-Xizang Plateau Climatology, meteorology Climatologie, météorologie Sciences exactes et technologie Exact sciences and technology Terre, ocean, espace Earth, ocean, space Geophysique externe External geophysics Météorologie Meteorology Electricité atmosphérique Atmospheric electricity Cartographie cartography Cartografía Champ tridimensionnel Three dimensional field Campo tridimensional Champ électrique electrical field Campo eléctrico Eclair Lightning Rayo Electricidad atmosférica Orage Thunderstorm Tormenta Charge structure of thunderstorm Negative charge region Positive charge region Three-dimensional lightning mapping Subject Geographic: Asie Asia Chine China Extrême Orient Far East Extremo Oriente Plateau Tibet Qinghai-Xizang Plateau
Sonstiges:	Nachgewiesen in: PASCAL Archive Sprachen: English Original Material: INIST-CNRS Document Type: Article File Description: text Language: English Author Affiliations: Key Laboratory of Land Surface Process and Climate Change in Cold and Arid Regions, Cold and Arid Regions Environmental and Engineering Research Institute, Chinese Academy of Sciences, Lanzhou, Gansu 730000, China ; Department of Electrical, Electronic and Computer Engineering, Gifu University, Yanagito 1-1, Gifu, Japan Rights: Copyright 2015 INIST-CNRS ; CC BY 4.0 ; Sauf mention contraire ci-dessus, le contenu de cette notice bibliographique peut être utilisé dans le cadre d’une licence CC BY 4.0 Inist-CNRS / Unless otherwise stated above, the content of this bibliographic record may be used under a CC BY 4.0 licence by Inist-CNRS / A menos que se haya señalado antes, el contenido de este registro bibliográfico puede ser utilizado al amparo de una licencia CC BY 4.0 Inist-CNRS Notes: External geophysics

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Electrical structure of a Qinghai―Tibet Plateau thunderstorm based on three-dimensional lightning mapping