Abstract
In the present work, the study of influence of solar activity, cosmic ray intensity and geomagnetic activity on Earth’s climate during solar cycles 22, 23 and 24 has been done. The change in Earth’s climate, specifically the change in the global mean temperature has been associated with the variation of some solar activity indices, cosmic ray intensity and geomagnetic activity indices in the period of 1986-2014 (Till Dec.). The important solar indices that are total solar irradiance (TSI), Sunspot Number (SSN), F10.7 index, Cosmic Ray Intensity (CRI) Kiel (NM), geomagnetic activity indices Auroral Electrojet Index (AE) and aa index, have been presented. The study of the Earth’s climate in relationship with solar activity, cosmic ray intensity and geomagnetic activity has been analysed with variations and correlations. The variations of SSN with CRI are in anti-phase; SSN with F10.7, SSN with TSI, SSN with AE, SSN with aa are in same phase. The correlation of SSN with CRI is strongly negatively correlated; SSN with F10.7, SSN with TSI is strongly positively and SSN with AE, SSN with aa positively correlated to averaging solar cycles 22, 23 and 24. The Earth’s climate will be affected by the solar activity, cosmic ray intensity and geomagnetic activity.
Highlights
The globally averaged yearly mean temperature increase in the long-term solar variation, registered in the 21st century, has risen to the observed changes and can be attributed to human influence and natural phenomena
We have studied the variations of cosmic ray intensity, solar activity (SSN, total solar irradiance (TSI), F10.7 index), geomagnetic activity (Auroral Electrojet and aa)
We have presented the relationship between solar activity (Sunspot Number) and Cosmic Ray Intensity (CRI) in the solar cycles 22, 23 and 24 till December 2014
Summary
The globally averaged yearly mean temperature increase in the long-term solar variation, registered in the 21st century, has risen to the observed changes and can be attributed to human influence and natural phenomena. (2016) Variations in Solar Cycles 22, 23 & 24 and Their Effect on Earth’s Climate. The reradiated (thermal) energy from the Earth’s surface may absorb radiation from space as well as from the various atmospheric constituents. The effect on Earth is caused by external sources related to the varying solar activity; variability including changes in the radiation [1] has been investigated possible effects on the height of constant pressure levels in the stratosphere and solar activity variations on the Earth’s temperature. The dynamics of the general circulation patterns of the solar cycles play a major role in the solar variability and influence the atmospheric response
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