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Response of stratospheric ozone during super storms
Asheesh Bhargawa - University of Lucknow
We are very much known to the importance of ozone without which life on the Earth would not have evolved in the way it has. Strong solar storms carried energetic protons into the Earth's upper atmosphere, where they boosted production of nitrogen oxides which are known as ozone killers. In the present study, we have estimated the effects of solar energetic protons over the total ozone column since last 30 years. To that end, we have selected total seven solar storm events having Dst index < -300 nT and occurred during solar cycle 22nd, 23rd and 24th. We have statistically analyzed the significance of the solar proton events on the quantitative variation of total ozone column during super storm events. Further, we have applied the superposed epoch analysis to verify the impact of storm events on solar protons and ultimately on total ozone content. During our analysis, we have established that the ozone column gets depleted significantly (15 - 20%) as proton density increased with the result of solar storm.
16 July 2020
Abstract submission opens:
16 July 2020
European Space Weather Medals:
6 September 2020
25 September 2020
Registration deadline: [extended]
10 October 2020
Abstract submission deadline:
4 September 2020