Impacts of Geomagnetic Activity on Atmosphere
A special issue of Atmosphere (ISSN 2073-4433). This special issue belongs to the section "Upper Atmosphere".
Deadline for manuscript submissions: 25 June 2026 | Viewed by 47
Special Issue Editors
Interests: cosmic rays; Forbush decreases; precursors; space weather; geomagnetic activity; human physiological parameters
Special Issues, Collections and Topics in MDPI journals
Special Issue Information
Dear Colleagues,
The Sun’s interaction with the interplanetary medium and the Earth’s magnetosphere and atmosphere results in the so-called Space Weather. Space Weather is manifested through a variety of geophysical phenomena/storms. For example, X-rays and radio bursts are due to solar flares, while solar radiation storms are related to energetic particles. Geomagnetic storms are caused by either coronal mass ejections or coronal holes (depending on their type, recurrent or non-recurrent). It takes 2–4 days for these storms to travel from the Sun to the Earth, and their effects can last for several days.
Geomagnetic storms are geophysical phenomena of great importance since they can affect technologies, i.e., space-borne and ground-based technological systems, and therefore human activities. Apart from satellite operations, geomagnetic storms can affect telecommunications, navigation systems, high-potential power grids and pipelines, etc., their impact ranging from a simple malfunction to disastrous breakdowns. Recent studies show that human health and life can also be influenced during the afore-mentioned Space Weather phenomena. More precisely, the enhanced radiation can pose a serious health threat to manned spaceflights outside the Earth’s magnetosphere (e.g., to the Moon or Mars) as well as to aircraft aviation at high latitudes (i.e., polar regions) with recurring itineraries. However, geomagnetic storms are also responsible for creating impressive aurora displays, which in cases of events of extreme intensity are visible worldwide.
Since 13 March 1989, when the strongest geomagnetic storm of the 20th century took place with unprecedented impacts on technological systems, a few more geomagnetic storms of similar intensity have been registered. The severe G5 (according to the NOAA Space Weather Scales) geomagnetic storms on 15–16 July 2000 (Bastille Day), on 29–30 October 2003 (Great Halloween Solar Storms) and on 11 May 2024 (Mother’s Day) are some of the most historic and significant examples.
The purpose of this Special Issue is to invite and gather the most recent and contemporary investigations concerning geomagnetic storms, to highlight unique and complex events that took place in the last two decades and to provide new results in the field of Space weather studies.
Dr. Maria-Christina Papailiou
Prof. Dr. Helen Mavromichalaki
Guest Editors
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Keywords
- geomagnetic storms
- space weather
- magnetosphere
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