Magnetotail Plasma and Magnetospheric Substorms
One of the most discussed questions in connection with magnetospheric models in the past few years has been that of merging of magnetic field lines, both at the magnetopause and in the magnetotail, and of what role merging may play in driving magnetospheric convection. The plasma sheet in the magnetotail enters strongly in all such discussions and investigations of its properties and variations are of utmost importance in resolving the differences among the various models. This paper deals with two features of the plasma sheet as observed with the Vela satellites: (a) its time variations during magnetospheric substorms, and (b) the pressure of the magnetotail plasma as related to the dynamic pressure of the solar wind.
KeywordsSolar Wind Plasma Sheet Auroral Zone Sudden Commencement Electron Precipitation
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