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Study of Solar Interplanetary and Geomagnetic Disturbances in Solar Cycle 23

Author(s):

Dr. B. K. Tiwari , Deparment of Physics , A.P.S.University Rewa M.P.

Keywords:

Galactic Cosmic ray (GCR), Interplanetary magnetic field (IMF), Solar activity, sunspot number (SSN)

Abstract

The most specific of solar cycle 23, sun enters a period of intermediate and weak solar activity in terms of sunspot number. Based on the observation from Omniweb data centre for solar- interplanetary data, geomagnetic activity and monthly mean count rate of cosmic ray intensity (CRI) variation data taken from neutron monitors during solar activity period 23/24. The phase of minimum solar activity began in May 2005 and lasted for 4.5 years the unprecedented duration of the relative sunspot numbers falls. It is observed that the strength of the interplanetary magnetic field has been falling off to new low levels, and reduces the GCR entering inner- heliosphere and it is also found that SSN positive correlated with Kp and Ap and sunspot number, 10.7 cm solar radio flux, were inverse correlated with monthly mean count rate of cosmic ray intensity.

Other Details

Paper ID: IJSRDV2I8069
Published in: Volume : 2, Issue : 8
Publication Date: 01/11/2014
Page(s): 53-55

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