GENERATION OF BURSTS OF GEOMAGNETIC PULSATIONS IN THE DAYTIME SECTOR AS A RESULT OF DRAMATIC AMPLIFICATION OF SOLAR WIND DYNAMIC PRESSURE
This paper investigates dynamics of bursts of geomagnetic pulsations recorded at mid-latitude observatories Mondy and Borok as well as at subauroral observatory Lovozero after a dramatic amplification of solar wind dynamic pressure in the daytime sector of the magnetosphere. We have studied possible connection between excitation of bursts of geomagnetic pulsations (re­corded by LANL geosynchronous satellites) in the range 1-3 Hz with variations of particle density in the energy range 0.03-45 keV per unit charge. Comparative analysis between dynamics of particle fluxes (measured at satellites) and bursts of pulsations on the Earth has revealed that the maximum increase in electron flux in the vicinity of local noon corresponds to the moment of generation of pulsations. Comparison between variations of electron fluxes at longitudinally spaced geosynchronous satellites and dynamics of bursts allows us to suppose that pulsations are excited in the vicinity of local noon and then propagated along the ionospheric waveguide.