Polar solar daily geomagnetic variations on exceptionally quiet days.
Polar solar diurnal geomagnetic variations on quiet days noting polar field distribution
Engineering topics
Publications and source records attributed to Akasofu, S.-I..
Polar solar diurnal geomagnetic variations on quiet days noting polar field distribution
Growth and decay of geomagnetic storms of April 17-18, 1965 studied using data from 88 ground stations, Explorer XXVI and Vela satellites
Evening sector polar magnetic substorm disturbance field morphology in transition region
Intense negative bays occurring in auroral zone in early evening hours explained by westward extension of polar electrojet
Evening auroral activity characterized by westward traveling surges occurring not within auroral zone center
Abnormally early eastward auroral motion appearance in evening and associated magnetospheric plasma shell motion
Systematic clockwise rotation of asymmetry axis of main phase decrease during geomagnetic storm lifetime
Three-dimensional structure of solar plasma flow generated by solar flares, noting geometric factors in geomagnetic storm intensity decrease
Geomagnetic storms due to solar flares statistically analyzed to obtain configuration of solar plasma flow generated by solar flares
Normality of SD variation at dip-equatorial stations suggests origin beyond F layer
Auroral oval between outer boundary of trapping region and ionosphere and dynamical and atomic interactions between magnetospheric plasma and neutral atmosphere
Interpretation of multiple structure of auroral arc
Geomagnetic and auroral storms provide information on interaction of solar plasma flows and magnetosphere
Equatorward motions of auroras
Auroral oval, auroral substorm and relations with internal magnetospheric structure during growth and decay of ring current and neutral sheet current
Electrodynamics of interaction between solar plasma flow and magnetosphere producing geomagnetic storms
Polar magnetic substorms associated with westward traveling surge