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Total lightning detections of lightning flashes recorded by means of high-speed videos

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J. Montanyà - Total lightning detections of lightning flashes recorded by means of high-speed videos.pdf (577,7Kb) (Restricted access)   Request copy 

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Montañá Puig, JuanMés informacióMés informacióMés informació
Van der Velde, Oscar ArnoudMés informacióMés informació
Romero Durán, DavidMés informacióMés informacióMés informació
March Nomen, Víctor
Solà de las Fuentes, GlòriaMés informacióMés informació
Pineda Ruegg, Nicolau
Document typeConference report
Defense date2011
Rights accessRestricted access - author's decision
All rights reserved. This work is protected by the corresponding intellectual and industrial property rights. Without prejudice to any existing legal exemptions, reproduction, distribution, public communication or transformation of this work are prohibited without permission of the copyright holder
ProjectATMOSPHERE-SPACE INTERACTIONS MONITOR. CONTRIBUCION DE LA UPC (MICINN-AYA2011-29936-C05-04)
Abstract
A detailed analysis of two lightning flashes is presented. High speed video, total lightning detections and electric field measurements are the basis of the study. In general, the observed negative cloud-to-ground flashes do not produced many VHF detections . In the negative flash, most of the detections are given in the fast increase of electric field at the beginning of the dart leader. An intriguing feature during negative leaders is the fast illumination of some branches especially at the time when the leader is approaching the ground. In the case of positive cloud-to-ground flashes, a frenetic recoil leader activity occurs before the return stroke. In the presented case, recoil leader rates increase before the return stroke. The VHF network reported a large amount of detections. Those detections are not correlated with recoil leaders but with continuous current transfer to the ground.
CitationMontaña, J., Van Der Velde, O., Romero, D., March, V., Sola, G., Pineda, N. Total lightning detections of lightning flashes recorded by means of high-speed videos. A: International Conference on Atmospheric Electricity. "ICAE 2011". Rio de Janeiro: 2011. 
URIhttp://hdl.handle.net/2117/85287
Publisher versionhttp://icae.jp/
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  • LRG - Lightning Research Group - Ponències/Comunicacions de congressos [55]
  • Departament d'Enginyeria Elèctrica - Ponències/Comunicacions de congressos [616]
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