An enhancement of the ionospheric sporadic‐E layer in response to negative polarity cloud‐to‐ground lightning
Davis, C. J. and Lo , K. H. (2008) An enhancement of the ionospheric sporadic‐E layer in response to negative polarity cloud‐to‐ground lightning. Geophysical Research Letters, 35. L05815. ISSN 0094-8276
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To link to this article DOI: 10.1029/2007GL031909
Lightning data, collected using a Boltek Storm Tracker system installed at Chilton, UK, were used to investigate the mean response of the ionospheric sporadic-E layer to lightning strokes in a superposed epoch study. The lightning detector can discriminate between positive and negative lightning strokes and between cloud-to-ground ( CG) and inter-cloud ( IC) lightning. Superposed epoch studies carried out separately using these subsets of lightning strokes as trigger events have revealed that the dominant cause of the observed ionospheric enhancement in the Es layer is negative cloud-to-ground lightning.