International Journal of Astronomy and Astrophysics

Volume 6, Issue 1 (March 2016)

ISSN Print: 2161-4717   ISSN Online: 2161-4725

Google-based Impact Factor: 1  Citations  

Variations in Solar Cycles 22, 23 & 24 and Their Effect on Earth’s Climate

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DOI: 10.4236/ijaa.2016.61002    3,568 Downloads   5,655 Views  Citations

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.

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Singh, P. , Tiwari, C. and Saxena, A. (2016) Variations in Solar Cycles 22, 23 & 24 and Their Effect on Earth’s Climate. International Journal of Astronomy and Astrophysics, 6, 8-13. doi: 10.4236/ijaa.2016.61002.

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