Abstract In a magnetic cloud, which is part of a sporadic solar wind on the Earth orbit, against the background of a constant solar wind velocity, abrupt jumps in the solar wind density and antiphase, highly correlated (correlation coefficient R∼−0.9) variations of the magnitude of the strength of the interplanetary magnetic field were detected. Analysis has shown that these jumps, which represent fibers or eruptive protuberances, result, when interacting with the Earth magnetosphere, in the development of a high-latitude magnetic disturbance, starting on the dayside and propagating into the morning and evening sides of the magnetosphere. The processes, developing in the auroral region during this disturbance, are similar to processes occurring during the substorm, but they are characterized by a shorter duration and lower value of released energy.


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    Title :

    Abrupt changes of density in sporadic solar wind and their effect on Earth magnetosphere


    Contributors:

    Published in:

    Cosmic Research ; 53 , 6 ; 411-422


    Publication date :

    2015-11-01


    Size :

    12 pages




    Type of media :

    Article (Journal)


    Type of material :

    Electronic Resource


    Language :

    English




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