From the correlation analysis, in the past, it is estimated that Vsw has quite a good correlation with IMF-Bz during the geomagnetic storm events; however, for some intense events, quite less correlation between Vsw and IMF-Bz was also observed, what could be the possible factors behind this?
Hi, Sujan. Scientists see magnetism everywhere. Not all of this really is magnetism, sorry.
Sujan Prasad Gautam
There are two different physical mechanisms of generation of the magnetospheric convection — quasi-viscous interaction between the solar wind and the magnetosphere in the low-latitude boundary layer [Axford, Hines, 1961] and IMF reconnection with the geomagnetic field at the dayside magnetopause with subsequent formation of open magnetotail lobes [Dungey, 1961].
IMF-Bz is just one of them.
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