Results 41 to 50 of about 826 (151)

Ionospheric disturbances over South America related to Tonga volcanic eruption

Earth, Planets and Space, 2023
On January 15, 2022, we observed various unusual atmospheric wave events over South America: Atmospheric pressure waves (Lamb mode) around 12:30 to 17:30 UT, tsunamis along the Chilean coast at around 17:00 to 19:00 UT, and ionospheric disturbances ...
H. Takahashi, C. A. O. B. Figueiredo, D. Barros, C. M. Wrasse, G. A. Giongo, R. H. Honda, L. F. R. Vital, L. C. A. Resende, P. K. Nyassor, T. T. Ayorinde, C. S. Carmo, M. B. Padua, Y. Otsuka   +12 more
doaj   +1 more source

Direct Connection Between Auroral Oval Streamers/Flow Channels and Equatorward Traveling Ionospheric Disturbances

Frontiers in Astronomy and Space Sciences, 2021
We use simultaneous auroral imaging, radar flows, and total electron content (TEC) measurements over Alaska to examine whether there is a direct connection of large-scale traveling ionospheric disturbances (LSTIDs) to auroral streamers and associated ...
Larry R. Lyons, Yukitoshi Nishimura, Shunrong Zhang, Anthea Coster, Jiang Liu, Jiang Liu, William A. Bristow, Ashton S. Reimer, Roger H. Varney, Don L. Hampton   +9 more
doaj   +1 more source

Climatology of Mid-latitude Ionospheric Disturbances from the Very Large Array Low-frequency Sky Survey

, 2012
The results of a climatological study of ionospheric disturbances derived from observations of cosmic sources from the Very Large Array (VLA) Low-frequency Sky Survey (VLSS) are presented.
Borries, Cohen, Cohen, Condon, Cornwell, Cosgrove, Cosgrove, Cotton, Dymond, Foster, Helmboldt, Helmboldt, Helmboldt, Hernández-Parajes, Hoogeveen, J. F. Helmboldt, Jacobson, Jacobson, Kassim, Kelley, Kolmogorov, Kolmogorov, Lane, Perkins, Rengelink, Shiokawa, Tatarski, Tsugawa, Vadas, W. D. Cotton, W. M. Lane, Yokoyama   +31 more
core   +1 more source

Dataset of Quiet Space Weather Periods for Ionospheric Studies

Earth and Space Science, Volume 13, Issue 4, April 2026.
Abstract The ionosphere is a dynamic environment regularly affected from above and from below. This study identifies periods within the years 2000–2023 when the impact from above, driven by space weather, was minimal. The quiet space weather periods have wide usage for two types of ionospheric studies. At first, studies of isolated space weather events
Šimon Mackovjak, Silvia Kostárová, Jaroslav Chum, Carsten Schmidt, Patrick Hannawald, Sabine Wüst, Lisa Küchelbacher, Vladimír Truhlík, Petra Koucká Knížová, Jaroslav Urbář, Lukáš Randuška, Filip Štempel, Ján Kubančák   +12 more
wiley   +1 more source

The increase of the ionospheric activity as measured by GPS [PDF]

, 2000
peer ...
Warnant, René, Pottiaux, Eric
core   +2 more sources

Ionospheric Response to the 8 April 2024 Total Solar Eclipse: Plasma Depletion and Eclipse‐Driven MsTIDs

Space Weather, Volume 24, Issue 4, April 2026.
Abstract The total solar eclipse on 8 April 2024 provided a unique opportunity to investigate the three‐dimensional (3‐D) ionospheric response under enhanced solar activity over North America. In this study, we processed high‐density GNSS observations from ∼1,700 stations to derive vertical total electron content and applied a multi‐term sinusoidal ...
Wenbin Liang, Xiyan Sun, Yuanfa Ji, Xiaodong Ren   +3 more
wiley   +1 more source

Unraveling Super Equatorial Plasma Bubbles (EPBs) Evolution During the 23 April 2023 Storm: Multi‐Instrument Observations and GITM‐SAMI3 Simulation

Space Weather, Volume 24, Issue 4, April 2026.
Abstract Storm‐time equatorial plasma bubble (EPB) dynamics play a critical role in space weather impacts on communication and navigation systems, yet the mechanisms governing their formation and evolution under storm conditions remain poorly understood.
Shasha Zou, Yulu Peng, Mary Smirnova, Grace Kwon, Zihan Wang, Joseph Huba, Aaron Ridley   +6 more
wiley   +1 more source

Investigation of Large Scale Traveling Atmospheric/Ionospheric Disturbances Using the Coupled SAMI3 and GITM Models

Geophysical Research Letters
We present simulation results of the vertical structure of Large Scale Traveling Ionospheric Disturbances (LSTIDs) during synthetic geomagnetic storms.
A. Bukowski, A. Ridley, J. D. Huba, C. Valladares, P. C. Anderson   +4 more
doaj   +1 more source

N-dimensional Lomb Scargle Periodogram analysis of traveling ionospheric disturbances using ionosonde data

Frontiers in Astronomy and Space Sciences
There is a multitude of wave-like phenomena in Earth’s ionosphere and thermosphere such as acoustic waves, gravity waves, planetary waves, tides, and Traveling Ionospheric Disturbances (TIDs) which are the ionospheric manifestation of atmospheric waves ...
Joe Hughes, Ian Collett, Anastasia Newheart, Ryan Kelly, Walter Junk Wilson, Ken Obenberger, Russell Landry, Jonah Colman, Joe Malins   +8 more
doaj   +1 more source

Probing ionospheric structures using the LOFAR radio telescope [PDF]

, 2016
LOFAR is the LOw-Frequency Radio interferometer ARray located at midlatitude (52°53′N). Here we present results on ionospheric structures derived from 29 LOFAR nighttime observations during the winters of 2012/2013 and 2013/2014.
A. G. de Bruyn, A. Ghosh, A. H. Patil, A. R. Offringa, B. Ciardi, Chulliat, Cohen, Cotton, E. Chapman, E. R. Fernandez, F. B. Abdalla, G. Harker, H. K. Vedantham, Haarlem, Helmboldt, I. T. Iliev, Intema, J. D. Bregman, J. E. Noordam, Jacobson, K. M. B. Asad, Koopmans, L. V. E. Koopmans, Loi, Loi, M. A. Brentjens, M. Mevius, Narayan, Offringa, Offringa, Pandey, Pearson, R. J. van Weeren, Rufenach, S. Bus, S. Kazemi, S. van der Tol, S. Wijnholds, S. Yatawatta, S. Zaroubi, Singleton, Smirnov, Spencer, Spoelstra, V. Jelić, V. N. Pandey, Vedantham, W. N. Brouw, Wandzura, Wheelon, Wijnholds   +50 more
core   +4 more sources