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Close electric field changes associated with upward-initiated lightning at the Gaisberg Tower
KTH, School of Electrical Engineering (EES), Electromagnetic Engineering. (EMC)
Austrian Electrotechnical Association (ÖVE), Vienna.
KTH, School of Electrical Engineering (EES), Electromagnetic Engineering. (EMC)ORCID iD: 0000-0002-1607-2493
Austrian Electrotechnical Association, Vienna, Austria..
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2011 (English)In: 2011 International Symposium on Lightning Protection, XI SIPDA 2011, 2011, 87-90 p.Conference paper (Other academic)
Abstract [en]

We examine in detail the simultaneous lightning current waveforms, close electric field changes, and lighting location system data for upward lightning discharges initiated from the Gaisberg Tower (GBT) from 2005 to 2009. Out of 205 upward flashes, we find that most of upward flashes (179/205 or 87%) are initiated at the tower top without any nearby preceding discharge activity, 26 flashes (13%) are initiated by nearby triggering lightning discharges, including 10 positive cloud-to-ground lightning, 1 negative cloud-to-ground lightning, and 15 cloud discharges. The possible reasons for self-triggered upward flashes dominating at the GBT would be the field enhancement due to the Gaisberg Mountain above 800 m of the surrounding terrain of the city of Salzburg and low cloud base during cold season.

Place, publisher, year, edition, pages
2011. 87-90 p.
Keyword [en]
cloud base height, field enhacement, other-triggered, self-triggered, upward lightning initiation
National Category
Engineering and Technology
URN: urn:nbn:se:kth:diva-82368DOI: 10.1109/SIPDA.2011.6088458ScopusID: 2-s2.0-84255193376ISBN: 978-145771897-7OAI: diva2:498187
2011 International Symposium on Lightning Protection (XI SIPDA). Fortaleza. 3 October 2011 - 7 October 2011
QC 20120214Available from: 2012-02-11 Created: 2012-02-11 Last updated: 2012-02-14Bibliographically approved

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Zhou, HelinThottappillil, Rajeev
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