Statistical study of different solar activity features with total column ozone at two hill stations of Uttarakhand

Pande, Bimal ; Bisht, Hema ; Chandra, Ramesh ; Pande, Seema

Abstract

This paper presents a statistical study of different solar activity features (DSAF) viz., sunspot number (SN), solar active prominences (SAP), solar flares (SF) and solar proton events (SPE) with total column ozone amount using 28 years (1986-2013) data. The ozone data has been taken for two hill stations of Uttarakhand i.e. Nainital (29º 23' N, 79º27' E) and Mussoorie (30° 27' N, 78° 06' E). Graphs are plotted between Total Column Ozone (TCO) and DSAF for months Jan to Dec, annually. We obtained a positive correlation coefficient (r) between TCO and DSAF. The value of r for TCO-Nainital with SN, SAP, SF and SPE is found to be 0.51, 0.30, 0.49, and 0.54 respectively and for TCO-Mussoorie with SN, SAP, SF, SPE is found to be 0.45, 0.27, 0.44, and 0.51.  This supports the fact that solar activity features contribute to the production of ozone.


Keyword(s)

Total column ozone; sunspot number; solar flare; solar active prominences

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