Equatorial ionization anomaly response to lunar phase and stratospheric sudden warming [PDF]
Scientific Reports, 2021 This study examines the ionosphere response to gravitational forces of the lunar phase and dynamical disturbances of the stratospheric sudden warmings (SSWs).
Tsung-Yu Wu +4 more
doaj +5 more sources
Global‐Scale Observations of the Equatorial Ionization Anomaly [PDF]
Geophysical Research Letters, 2019 The National Aeronautics and Space Administration Global‐scale Observations of the Limb and Disk ultraviolet spectrograph has been imaging the equatorial ionization anomaly (EIA), regions of the ionosphere with enhanced electron density north and south ...
R. W. Eastes +7 more
doaj +4 more sources
A brief review of equatorial ionization anomaly and ionospheric irregularities
Earth and Planetary Physics, 2018 Following a brief history and progress of ionospheric research, this paper presents a brief review of the recent developments in the understanding of two major phenomena in low and mid latitude ionosphere—the equatorial ionization anomaly (EIA) and ...
Nanan Balan, LiBo Liu, HuiJun Le
doaj +4 more sources
A Synoptic‐Scale Wavelike Structure in the Nighttime Equatorial Ionization Anomaly [PDF]
Earth and Space Science, 2021 Both ground‐ and satellite‐based airglow imaging have significantly contributed to understanding the low‐latitude ionosphere, especially the morphology and dynamics of the equatorial ionization anomaly (EIA).
J. Rodríguez‐Zuluaga +4 more
doaj +6 more sources
Observations of GPS ionospheric scintillations over Wuhan during geomagnetic storms [PDF]
Annales Geophysicae, 2006 During the two geomagnetic storms which occurred on 1 October 2002 and 22 January 2004, the strong ionospheric scintillations of the GPS L1 band were observed at Wuhan station (30.6° N, 114.4° E, 45.8° Dip), which is ...
G. Li +7 more
doaj +5 more sources
Equatorial scintillations in relation to the development of ionization anomaly [PDF]
Annales Geophysicae, 2006 The irregularities in the electron density distribution of the ionosphere over the equatorial region frequently disrupt space-based communication and navigation links by causing severe amplitude and phase scintillations of signals.
S. Ray +3 more
doaj +4 more sources
Airglow observations over the equatorial ionization anomaly zone in Taiwan [PDF]
Annales Geophysicae, 2011 Airglow imaging at mid-latitude stations often show intensity modulations associated with medium scale travelling ionospheric disturbances (MSTID), while those carried out near the equatorial regions reveal depletions caused by equatorial plasma ...
J. Y. Liu +4 more
doaj +3 more sources
Equatorial Ionization Anomaly Crest Position and Width Modeling
Space WeatherKnowing the locations and widths of the Northern and Southern Equatorial Ionization Anomaly (EIA) crests is essential for characterizing the spatiotemporal and solar activity variations of the low latitude ionosphere. The crest region is characterized by
Melessew Nigussie +2 more
doaj +2 more sources
Quasi-16-day periodic meridional movement of the equatorial ionization anomaly [PDF]
Annales Geophysicae, 2014 Based on the daytime location of the equatorial ionization anomaly (EIA) crest derived from GPS observations at low latitude over China during the 2005–2006 stratospheric sudden warming (SSW), a quasi-16-day periodic meridional movement of EIA crest ...
X. H. Mo +5 more
doaj +5 more sources
Effect of equatorial ionization anomaly on the occurrence of spread-F [PDF]
Annales Geophysicae, 1997 The unique geometry of the geomagnetic field lines over the equatorial ionosphere coupled with the E-W electric field causes the equatorial ionization anomaly (EIA) and equatorial spread-F (ESF).
P. T. Jayachandran +3 more
doaj +4 more sources