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AuthorsKutiev, I.* 
Samardjiev, T.* 
Bradley, P. A.* 
Dick, M. I.* 
Cander, L. R.* 
TitleThe ionospheric storm studies: further development of the mapping technique
Issue DateAug-1996
Series/Report no.39/4
KeywordsIonospheric storms
instantaneous maps
ionospheric plasma parameters
Subject Classification01. Atmosphere::01.02. Ionosphere::01.02.06. Instruments and techniques 
AbstractThe technique of using instantaneous maps for ionospheric storm studies is further developed. Integral parameters are introduced characterizing the main features of each map. These parameters are the net volumes of Δf0F2, ΔM(3000)F2and their gradients. The magnetic storm 1-2 March, 1982 was considered and it was found that before the storm commencement and in recovery phase the Net Gradient (NG) is directed steadily to the East, while in the main phase it turns southward. NG shows where the changes of the F-layer come from. The net volume of Δf0F2 (NF) correlates well with Dst and AE indices.
Appears in Collections:Annals of Geophysics

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