Research Article
Wavelet Coherence Analysis of Plasma Beta, Alfven Mach Number, and Magnetosonic Mach Number during Different Geomagnetic Storms
Table 1
Selected event days with SYM-H values and storm types.
| S.N. | Event days | SYM-H value (nT) | Storm type |
| 1 | Event 1: 2004 November 07–09 | −373 | Super-intense | 2 | Event 2: 2015 June 21–23 | −195 | Intense | 3 | Event 3: 2017 September 06–09 | −122 | Intense | 4 | Event 4: 2021 March 19–21 | −45 | Weak |
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