Results 11 to 20 of about 18,323 (219)
Statistical study and corresponding evolution of plasmaspheric plumes under different levels of geomagnetic storms [PDF]
Annales Geophysicae, 2022 Using observations of Van Allen Probes, we present a statistical study of plasmaspheric plumes in the inner magnetosphere. Plasmaspheric plumes tend to occur during the recovery phase of geomagnetic storms.
H. Li +7 more
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A Statistical Study of the Correlation between Geomagnetic Storms and M ≥ 7.0 Global Earthquakes during 1957-2020. [PDF]
Entropy (Basel), 2020 In order to find out whether the geomagnetic storms and large-mega earthquakes are correlated or not, statistical studies based on Superposed Epoch Analysis (SEA), significance analysis, and Z test have been applied to the Dst index data and M ≥ 7.0 ...
Chen H +6 more
europepmc +2 more sources
DAYTIME ELECTRON DENSITY AT IONOSPHERIC F1-LAYER HEIGHTS DURING GEOMAGNETIC STORMS (IRKUTSK)
Solar-Terrestrial Physics, 2022 We have examined variations in electron density Ne at ionospheric F1-layer heights during geomagnetic storms at the Irkutsk ionospheric station (52° N, 104° E). We have selected geomagnetic storms of varying intensity as well as quiet days for each event
G.P. Kushnarenko +2 more
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Remote Sensing, 2023 Approaching the peak year of the 25th solar activity cycle, the frequency of strong geomagnetic storms is gradually increasing, which seriously affects the navigation and positioning performance of GNSS.
Yifan Wang +6 more
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Relations Among Sunspots, CMEs and Geomagnetic Storms in Solar Cycle 23 [PDF]
Journal of Astronomy and Space Sciences, 2009 We compare the relation among the annual distribution of sunspots: coronal mass ejections (CMEs) and geomagnetic storms and North-South asymmetry during solar cycle 23.
Su-Lyun Rho, Heon-Young Chang
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Space Weather, 2022 Nonrecurrent geomagnetic storms caused by Coronal Mass Ejection (CME) can induce serious impacts on space‐ and ground‐based equipment. However, these nonrecurrent geomagnetic storms are hard to predict since CMEs are not periodic.
Qian Ye +4 more
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Relation of Extreme Ionospheric Events with Geomagnetic and Meteorological Activity
Atmosphere, 2022 This paper studies extreme ionospheric events and their relations with geomagnetic and meteorological activity. With the long observation series at the Irkutsk (52° N, 104° E) and Kaliningrad (54° N, 20° E) ionosondes we obtained the datasets of ...
Konstantin G. Ratovsky +3 more
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A logistic regression model for predicting the occurrence of intense geomagnetic storms [PDF]
Annales Geophysicae, 2005 A logistic regression model is implemented for predicting the occurrence of intense/super-intense geomagnetic storms. A binary dependent variable, indicating the occurrence of intense/super-intense geomagnetic storms, is regressed against a series ...
N. Srivastava
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Space Weather, 2022 The responses of thermospheric densities to geomagnetic activity indices and Joule heating are analyzed during 265 geomagnetic storms and can be used to calibrate the model NRLMSISE‐00 with neutral mass density observed at 400 km based on the CHAMP ...
Xin Wang +11 more
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Ionosphere over Eastern North Atlantic Midlatitudinal Zone during Geomagnetic Storms
Atmosphere, 2023 The ionospheric response at middle latitudes to geomagnetic storms is not yet very well understood. Total electron content (TEC) variations associated with eight strong geomagnetic storms between 2015 and 2022 obtained from GNSS receivers in the eastern ...
Teresa Barata +4 more
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