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Online Published: 11 Feb 2019
 


CORRELATION BETWEEN SUNSPOT NUMBER AND GEOMAGNETIC STORM

Joshua B. W.; Oladipo O. M.; Adamu J. L.; Adebiyi S. J.; Ikubani S. O..


Abstract
Among the space weather subjects of research, geomagnetic storm and its effects on space and ground-based technologies has been of great interest to space scientists. For ages, geomagnetic storm has been observed after sunspot appearance, this in turn implies that there is a connection between the two. This study is aimed at finding the correlation between sunspot and geomagnetic storm over three solar cycles (i.e. solar cycle 21, 22, and 23). Our result shows a positive correlation between the two parameters with a correlation coefficient (r) of about 0.6. It was observed that severe geomagnetic storm is most likely around the solar maximum (The period when the sunspot numbers are most likely to be at the peak or high) and during declining years of sunspot cycle, it tends to halt at the sunspot minimum (Period when sunspot number is at its minimum). These findings are indicative of the interdependence of geomagnetic storms on the number of sunspot.

Key words: Sunspot number; Geomagnetic storm, Dst, CME, Solar cycle


 
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How to Cite this Article
Pubmed Style

W. JB, M. OO, L. AJ, J. AS, O. IS. CORRELATION BETWEEN SUNSPOT NUMBER AND GEOMAGNETIC STORM. Equijost. 2018; 5(1): 157-161.

Web Style

W. JB, M. OO, L. AJ, J. AS, O. IS. CORRELATION BETWEEN SUNSPOT NUMBER AND GEOMAGNETIC STORM. https://www.equijost.com/?mno=302644056 [Access: June 22, 2026].

AMA (American Medical Association) Style

W. JB, M. OO, L. AJ, J. AS, O. IS. CORRELATION BETWEEN SUNSPOT NUMBER AND GEOMAGNETIC STORM. Equijost. 2018; 5(1): 157-161.


Vancouver/ICMJE Style

W. JB, M. OO, L. AJ, J. AS, O. IS. CORRELATION BETWEEN SUNSPOT NUMBER AND GEOMAGNETIC STORM. Equijost. (2018), [cited June 22, 2026]; 5(1): 157-161.


Harvard Style

W., J. B., M., . O. O., L., . A. J., J., . A. S. & O., . I. S. (2018) CORRELATION BETWEEN SUNSPOT NUMBER AND GEOMAGNETIC STORM. Equijost, 5 (1), 157-161.


Turabian Style

W., Joshua B., Oladipo O. M., Adamu J. L., Adebiyi S. J., and Ikubani S. O.. 2018. CORRELATION BETWEEN SUNSPOT NUMBER AND GEOMAGNETIC STORM. Equity Journal of Science and Technology, 5 (1), 157-161.


Chicago Style

W., Joshua B., Oladipo O. M., Adamu J. L., Adebiyi S. J., and Ikubani S. O.. "CORRELATION BETWEEN SUNSPOT NUMBER AND GEOMAGNETIC STORM." Equity Journal of Science and Technology 5 (2018), 157-161.


MLA (The Modern Language Association) Style

W., Joshua B., Oladipo O. M., Adamu J. L., Adebiyi S. J., and Ikubani S. O.. "CORRELATION BETWEEN SUNSPOT NUMBER AND GEOMAGNETIC STORM." Equity Journal of Science and Technology 5.1 (2018), 157-161. Print.


APA (American Psychological Association) Style

W., J. B., M., . O. O., L., . A. J., J., . A. S. & O., . I. S. (2018) CORRELATION BETWEEN SUNSPOT NUMBER AND GEOMAGNETIC STORM. Equity Journal of Science and Technology, 5 (1), 157-161.




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