Results 131 to 140 of about 348 (165)

Statistical study of MSTIDs parameters using SuperDARN ground backscatter data

Statistical study of MSTIDs parameters using SuperDARN ground backscatter data
openaire  

A Case Study on the Interaction Between MSTIDs' Fronts, Their Dissipation, and a Curious Case of MSTID's Rotation Over Geomagnetic Low‐Mid Latitude Transition Region

Journal of Geophysical Research: Space Physics, 2022
AbstractThis paper reports a rare interaction between two fronts of nighttime medium scale traveling ionospheric disturbances (MSTIDs) and associated phenomena observed over geomagnetic low‐mid latitude transition region on a geomagnetically quiet night (Ap = 5) of 21 May 2020.
R Rathi, V Yadav, S Mondal
exaly   +3 more sources

Climatology of Medium-Scale Traveling Ionospheric Disturbances (MSTIDs) Observed with GPS Networks in the North African Region

Pure and Applied Geophysics, 2022
We present for the first time the climatology of medium-scale traveling ionospheric disturbances (MSTIDs) by using Global Positioning System (GPS) receiver networks on geomagnetically quiet days (Kp ≤ 3) over the North African region during 2008–2016 ...
Temitope Seun Oluwadare, N Jakowski, Oladipo E Abe   +2 more
exaly   +2 more sources

Evidence for simultaneous occurrence of periodic and single dark band MSTIDs over geomagnetic low-mid latitude transition region

Journal of Atmospheric and Solar-Terrestrial Physics, 2021
We report a unique simultaneous occurrence of two plasma structures using a 630.0 nm all-sky airglow imager in Hanle, India. The characteristics indicate that the observed structures are Medium Scale Travelling Ionospheric Disturbances (MSTIDs) of ...
R Rathi, V Yadav, S Mondal
exaly   +1 more source

First Conjugate Observations of Medium‐Scale Traveling Ionospheric Disturbances (MSTIDs) in the Europe‐Africa Longitude Sector [PDF]

Journal of Geophysical Research: Space Physics, 2019
All-sky imagers located in Asiago, Italy (45.87oN, 11.53oE; 40.7o magnetic latitude) and Sutherland, South Africa (32.37oS, 20.81oE; −40.7o magnetic latitude) are used to study magnetically conjugate medium scale traveling ionospheric disturbances ...
C Martinis, Jeffrey Baumgardner, Michael Mendillo   +2 more
exaly   +2 more sources

Self‐consistent generation of MSTIDs within the SAMI3 numerical model [PDF]

Journal of Geophysical Research: Space Physics, 2014
AbstractIn this study, we use the three‐dimensional, physics‐based numerical model, SAMI3 (Sami3 is Another Model of the Ionosphere), to self‐consistently generate nighttime, electrified, medium‐scale traveling ionospheric disturbances (MSTIDs) at midlatitudes. These are the first numerical simulations to use the fundamental, physics‐based equations in
J D Huba, Jonathan J Mäkelä
exaly   +2 more sources

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Investigations of conjugate MSTIDS over the Brazilian sector during daytime

Journal of Geophysical Research: Space Physics, 2017
AbstractThis study focuses on the daytime medium‐scale traveling ionospheric disturbances (MSTIDs) observed at conjugate hemispheres. It is the first time that the geomagnetical conjugate daytime MSTIDs are observed over the South America sector. To observe the MSTID characteristics, we used detrended total electron content (TEC) derived from Global ...
O F Jonah, E A Kherani, E R De Paula
exaly   +2 more sources

Seasonal dependence of MSTIDs obtained from 630.0 nm airglow imaging at Arecibo

Geophysical Research Letters, 2010
All‐sky imaging data of 630.0 nm airglow emissions are used to study the seasonal and solar activity dependence of medium‐scale traveling ionospheric disturbances (MSTIDs) over Arecibo, Puerto Rico (18.3° N, 66.7° W, 28° N mag lat). MSTIDs are typical F‐region signatures at midlatitudes, yet limited statistical results in the American sector hindered ...
C Martinis, Joei Wroten, Michael Mendillo   +2 more
exaly   +2 more sources

MHD nature of night‐time MSTIDs excited by the solar terminator

Geophysical Research Letters, 2009
We have obtained first experimental evidence in favour of the magnetohydrodynamic (MHD) nature of night‐time medium‐scale travelling ionospheric disturbances (MSTIDs). We used total electron content (TEC) measurement data from the dense GPS networks in California and in Japan for 2008–2009.
I K Edemskiy, A S Leonovich, L A Leonovich   +2 more
exaly   +2 more sources

MSTID extraction from more frequent ionograms

2017 XXXIInd General Assembly and Scientific Symposium of the International Union of Radio Science (URSI GASS), 2017
The paper shows the possibility of rapid extraction from more frequent ionograms not only strong medium-scale traveling ionospheric disturbances (MSTIDs) in the F region in the form of cusps and hooks, but also weak MSTIDs, whose form may differ from the cusp (hook) shaped. To isolate these MSTIDs will be enough to follow the slope of the F layer cusp (
Adel Akchurin, Gregory Smirnov
openaire   +1 more source