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Annales Geophysicae An interactive open-access journal of the European Geosciences Union
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Volume 29, issue 5
Ann. Geophys., 29, 851-863, 2011
https://doi.org/10.5194/angeo-29-851-2011
© Author(s) 2011. This work is distributed under
the Creative Commons Attribution 3.0 License.
Ann. Geophys., 29, 851-863, 2011
https://doi.org/10.5194/angeo-29-851-2011
© Author(s) 2011. This work is distributed under
the Creative Commons Attribution 3.0 License.

ANGEO Communicates 18 May 2011

ANGEO Communicates | 18 May 2011

Study of oblique whistlers in the low-latitude ionosphere, jointly with the C/NOFS satellite and the World-Wide Lightning Location Network

A. R. Jacobson1, R. H. Holzworth1, R. F. Pfaff2, and M. P. McCarthy1 A. R. Jacobson et al.
  • 1Earth and Space Sciences, University of Washington, Seattle WA 98195, USA
  • 2Laboratory for Space Weather, NASA Goddard Space Flight Center Greenbelt, MD 20771, USA

Abstract. We use the C/NOFS satellite's Vector Electric Field Instrument (VEFI) to study the relationship of impulsive electron whistlers in the low-latitude ionosphere to lightning strokes located by the World-Wide Lightning Location Network (WWLLN). In order to systematize this work, we develop an automated algorithm for recognizing and selecting the signatures of electron whistlers amongst many Very Low Frequency (VLF) recordings provided by VEFI. We demonstrate the application of this whistler-detection algorithm to data mining of a ~ two-year archive of VEFI recordings. It is shown that the relatively simple oblique electron whistler adequately accounts of the great majority of low-latitude oscillatory VLF waves seen in this study.

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