Model of the mid-latitude ionospheric trough on the base of Cosmos-900 and Intercosmos-19 satellites data
作者： A.T. Karpachev , M.G. Deminov , V.V. Afonin
DOI: 10.1016/0273-1177(95)00928-0
关键词: Longitude 、 Polar coordinate system 、 Equinox 、 Geodesy 、 Trough (meteorology) 、 Topside ionosphere 、 Meteorology 、 Geology 、 Ionosphere 、 Middle latitudes
摘要: A new model of the mid-latitude ionospheric trough is developed on base Intercosmos-19 and Cosmos-900 satellites data (over 1500 orbits). It valid for nighttime (18 to 06 MLT), winter equinox, Kp-indices from 0 8. covers topside ionosphere up 1000 km describes minimum position ΛT depending longitude λ, altitude h, local magnetic time MLT Kp-index. Model presented in analytical form, as well a nomogram versus Kp segment circle (in polar coordinate system) with radius The effective Kp-index taken preceding 4.4 hours used model. Agreement between other equatorial boundary auroral oval discussed.
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