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ホーム > 刊行物 > 地磁気観測所要報 第10巻 第01号 > 地磁気観測所要報 第10巻 第01号 >On the relation between Magnetic Storm and Ionospheric Dsiturbance on Sep. 13th 1957

地磁気観測所要報 第10巻 第01号, p.25, March, 1961


On the relation between Magnetic Storm and Ionospheric Dsiturbance on Sep. 13th 1957


Nagai, M., Sano, Y. & Hakura, Y.


Abstract

 An investigation was made on the relation between the world-wide patterns of ionospheric storms and corresponding current systems of geomagnetic storm for each stage of a severe upper atmospheric disturbance on Sept. 13th,1957. A close relation of the polar magnetic disturbances to the occurrences of polar blackouts and storm Es was certified,suggesting that the current of polar magnetic storm flowed on the conductive region of disturbed lower ionosphere.
  It was also found that polar cap current system was produced several hours before the SC of geomagnetic storm,coinciding with growth of polar cap blackout. After the SC,it developed its region to form the current system known as that of initial phase. At the main phase,ionospheric storm progressed to the world-wide scale the regions of polar blackouts and storm Es elongated towards lower latitudes as the Dst field developed. And it was shown that auroral currents of bay-like disturbances at that stage, flowed exactly over such disturbed regions of high conductivity.


Corrigenda is attached to this text.


[Full text (PDF; in Japanese; size:2392KB)]


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