Influence of coronal mass ejection on geomagnetic activity during 1988–1993

Authors: Shrivastava P.K.1; Singh G.N.2

Source: Earth, Moon, and Planets, Volume 91, Number 1, September 2002 , pp. 1-8(8)

Publisher: Springer

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Abstract:

The most rapid and dramatic evolution in the solar corona occurs in events now known as Coronal Mass Ejections (CMEs). There have considerable importance for our understanding of the evolution of the mass and energy injected into the interplanetary medium. In this work, we have studied the relation of CMEs with geomagnetic activity for the period of 1988 to 1993. Not all CMEs are capable of producing geomagnetic disturbances. Our study indicates that the maximum chance of a geomagnetic disturbance occurs two to three days after a CME in association with B-type solar flares.

Keywords: Coronal mass ejections; geomagnetic activity; magnetic cloud; solar activity; solar flares; solar wind

Language: English

Document Type: Research article

Affiliations: 1: Department of Physics, Govt. New Science College, Rewa (M.P.) 486001, India E-mail: pankaj_in_2001@rediffmail.com 2: Department of Physics, Sudarshan Degree College, Lalgaon, Distt. Rewa (M.P.) 486115, India E-mail: gnsingh_ph_2001@rediffmail.com

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