Abstract
THE mid-latitude trough1,2 in electron density and the equatorward limit of small-scale F-region irregularity structure apparent in the scintillation of satellite and radio star signals, the scintillation boundary3,4, are both features of the transition region between the high and mid-latitude ionospheres. There are broad similarities between the morphology and statistical behaviour of the trough and the irregularity boundary5–7 and, although the individual behaviour of the scintillation boundary and the mid-latitude trough may be related to particle precipitation patterns or plasmapause movements, there is a definite local time variation in their mean relative latitudinal positions when simultaneous observations of the two phenomena are analysed8. We have examined this variation in more detail, using data from simultaneous observations of trough and scintillation boundary positions.
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KERSLEY, L., VAN EYKEN, A. & EDWARDS, K. Ionospheric mid-latitude trough and the abrupt scintillation boundary. Nature 254, 312–313 (1975). https://doi.org/10.1038/254312a0
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DOI: https://doi.org/10.1038/254312a0
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