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LOFAR Lightning Imaging: Mapping Lightning With Nanosecond Precision
Univ Groningen, Netherlands.
Univ Groningen, Netherlands;Vrije Univ Brussel, Belgium.
Radboud Univ Nijmegen, Netherlands.
Vrije Univ Brussel, Belgium.
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2018 (English)In: Journal of Geophysical Research - Atmospheres, ISSN 2169-897X, E-ISSN 2169-8996, Vol. 123, no 5, p. 2861-2876Article in journal (Refereed) Published
Abstract [en]

Lightning mapping technology has proven instrumental in understanding lightning. In this work we present a pipeline that can use lightning observed by the LOw-Frequency ARray (LOFAR) radio telescope to construct a 3-D map of the flash. We show that LOFAR has unparalleled precision, on the order of meters, even for lightning flashes that are over 20km outside the area enclosed by LOFAR antennas (approximate to 3,200km(2)), and can potentially locate over 10,000 sources per lightning flash. We also show that LOFAR is the first lightning mapping system that is sensitive to the spatial structure of the electrical current during individual lightning leader steps.

Place, publisher, year, edition, pages
American Geophysical Union (AGU), 2018. Vol. 123, no 5, p. 2861-2876
Keyword [en]
lightning, lightning mapping, LOFAR, time of arrival, leader propagation
National Category
Physical Sciences
Research subject
Natural Science, Physics
Identifiers
URN: urn:nbn:se:lnu:diva-72691DOI: 10.1002/2017JD028132ISI: 000428437100028OAI: oai:DiVA.org:lnu-72691DiVA, id: diva2:1197686
Available from: 2018-04-13 Created: 2018-04-13 Last updated: 2018-04-13Bibliographically approved

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Thoudam, Satyendra

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Department of Physics and Electrical Engineering
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