Clear explanations about Russel-McPherron Effect chapter

Russel-McPheron Effect shortly summaries about behaviours based on semiannual variation of Geomagnetic Activity.In this mean,routine observers underline that about role of this effect for equinox type periods!!!

You know about a 'crack opening condition' into Magnetic Field of Earth .Thus,Solar Wind poured through to fuel the luminous outburst.So,this time period of year for cracks into Earth's Magnetic Field thus summarying as 'Russel-McPherron Effect'!!!




Mechanism:

For this periods as equinoxes,Interplanetary Magnetic Field(IMF) connects to Earth's Magnetic Field(prying open cracks where the Solar Wind can penetrate).





As conclusion,March is most geometrically active month of the year!!!(Thus,October is as second)

In the other hand,a information about semiannual variation of geomagnetic activity on Russel-McPherron Effect ;

https://agupubs.onlinelibrary.wiley.com/doi/abs/10.1029/JA078i001p00092


Also,research efforts show that Russel-McPherron Effect is summarying about relationship of condition with 'Ring Current Injection' chapter;

https://www.researchgate.net/publication/258662306_Seasonal_and_diurnal_variation_of_geomagnetic_activity_Russell-McPherron_effect_during_different_IMF_polarity_andor_extreme_solar_wind_conditions


You are right!!!'Ring Current Injection' chapter again remember about August 12,2000 storm!!!!!



Thus,I present about some explanations;



I will wait for your appreciated replies


Thanks...

Ekrem,Geophysicist

















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