In the realm of space weather research, a team led by Rositsa Miteva from the Bulgarian Academy of Sciences has delved into the intricate relationship between solar energetic protons (SEPs) and various solar and geomagnetic activities. Their work, published in the Journal of Space Weather and Space Climate, offers valuable insights that could have practical implications for the energy sector, particularly in protecting infrastructure from space weather events.
The researchers analyzed SEPs across different energy channels, ranging from 10 to over 100 MeV, during solar cycles 23 and 24. They conducted a temporal association analysis to understand the connections between SEPs, solar flares (SFs), coronal mass ejections (CMEs), and geomagnetic storms (GSs). This comprehensive approach allowed them to evaluate the energy dependencies between SEPs and the intensity of space weather activity.
One of the key findings of the study is the strong correlation between high-energy SEPs and significant space weather events. The researchers observed that SEPs with energies above 30 MeV are often associated with powerful solar flares and CMEs, which can trigger severe geomagnetic storms. These storms, in turn, can induce geomagnetically induced currents (GICs) that pose a risk to power grids, pipelines, and other critical infrastructure.
Understanding the relationship between SEPs and space weather events is crucial for improving space weather forecasting and mitigation strategies. The findings of this study can help energy companies and grid operators better prepare for and respond to potential disruptions caused by space weather. For instance, they can implement protective measures, such as installing capacitors to limit GICs or adjusting grid operations during periods of heightened solar activity.
Moreover, the research highlights the importance of monitoring SEPs across a wide range of energy channels. By doing so, energy providers can gain a more comprehensive understanding of the space weather environment and make informed decisions to safeguard their infrastructure. This proactive approach can minimize the impact of space weather events on the energy sector and ensure the reliable delivery of power to consumers.
In conclusion, the work of Miteva and her colleagues sheds light on the complex interplay between SEPs and space weather activities, offering valuable insights for the energy industry. As we continue to rely on advanced technologies and interconnected systems, understanding and mitigating the risks posed by space weather will be increasingly important. This research published in the Journal of Space Weather and Space Climate contributes significantly to that effort.
This article is based on research available at arXiv.

