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Home > Publication > Memoirs of the Kakioka Magnetic Observatory > Memoirs of the Kakioka Magnetic Observatory Vol.18 No.01 >0n the Geomagnetic Pulsation Pc (Part III) -Spectral and Polarization Characteristics of Middle- and Low-Latitude Pc3-

Memoirs of the Kakioka Magnetic Observatory Vol.18 No.01, p.1, March, 1979


0n the Geomagnetic Pulsation Pc (Part III) -Spectral and Polarization Characteristics of Middle- and Low-Latitude Pc3-


Kuwashima, M., Sano, Y. & Kawamura, M.


Abstract

 Continuous observations of geomagnetic pulsations with periods from 1 to 100 sec have been carried out by induction magnetometers at the middle- and low-latitude stations in Japan. Some spectral and polarization characteristics of pc 3 pulsations are mainly investigated by means of both analog- and digital-dynamic spectrum methods. In the present paper, solar-cycle variations and seasonal changes of occurrence frequency and mean period of pc 3 are shown with relation to solar and geomagnetic activities on a statistical basis. Particularly, latitudinal dependencies of both horizontal powers and polarizations of pc 3 are described in more detail as an extensive study in some special intervals.



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