Results 141 to 150 of about 348 (165)

Dynamics of EPBs and MSTIDs interaction during the post-midnight sector over the Indian low-latitude region

Advances in Space Research
We present evidence of the merging of Equatorial Plasma Bubbles (EPBs) with Medium-Scale Travelling Ionospheric Disturbances (MSTIDs) during the post-midnight sector over the Indian region, observed on the night of 28th January 2011, a typical spread F ...
O B Gurav, R N Ghodpage, A Taori
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Multi-Instrument Observations of MSTIDs and Source Determination

2018 2nd URSI Atlantic Radio Science Meeting (AT-RASC), 2018
A multi-day (6–8 May 2013), apparently medium-scale traveling ionospheric disturbance (MSTID) event with an ∼1 hour period was recorded using both the vertical-looking and steerable Millstone Hill incoherent scatter radar (ISR) systems during quiet geomagnetic activity.
Ross Dinsmore, J. D. Mathews, Anthea Coster, Sumanta Sarkhel   +3 more
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A case study on multiple self-interactions of MSTID bands: New insights

Advances in Space Research, 2023
In this study, we report a special event of nighttime southwestward propagating medium scale traveling ionospheric disturbances (MSTIDs) observed in O(1D) 630.0 nm airglow images from an all-sky imager at Hanle (32.7°N, 78.9°E; Mlat. ~24.1°N), Ladakh, India on a geomagnetically quiet (Ap = 7) night of 15 September 2018.
Dipjyoti Patgiri, Rahul Rathi, Virendra Yadav, Sumanta Sarkhel, Dibyendu Chakrabarty, Subarna Mondal, M.V. Sunil Krishna, Arun K. Upadhayaya, Chiranjeevi G. Vivek, Suresh Kannaujiya, Surendra Sunda   +10 more
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The influence of ionospheric neutral wind variations on the propagation of a MSTID event

2021
<p>The event reports a special case of the propagation and morphology of medium scale travelling ionospheric disturbances (MSTIDs) over middle–latitude China. The MSTIDs were simultaneously observed by the all-sky imager, Swarm satellite, as well as the total electron content (TEC) from global positioning system (GPS).
Ji Luo, Jiyao Xu, Kun Wu, Wenbin Wang, Chao Xiong, Wei Yuan   +5 more
openaire   +1 more source

Statistical analysis of the occurrences of mstids observed by all-sky imager in low magnetic latitude

2017 IEEE International Geoscience and Remote Sensing Symposium (IGARSS), 2017
This research identified the occurrence of Medium-Scale Traveling Ionospheric disturbances (MSTIDs) during the ascending solar activity year 2010–2013 using the All-Sky Imager (ASI) mounted on Sirindhorn Observatory, Chiang Mai Thailand (18.8° N, 98.9° E, 13° dip latitude) to study the mechanism of the generation of irregularities in the ionosphere at ...
Falin Wu, Y Ōtsuka, Mamoru Ishii
exaly   +2 more sources

Analysis of MSTIDs triggered by dynamical events

It is well known that the ionosphere is a highly dynamic medium, and the electron density can vary significantly within a very short period of time at a given location. One of the reasons for the irregular variations are ionospheric signatures of Atmospheric Gravity Waves (AGWs) – Travelling Ionospheric Disturbances (TIDs).
Dalia Buresova, Jaroslav Chum, Sivakandan Mani, Jens Mielich, Jaroslav Urbar, Veronika Barta, Anna Belehaki, Tobias G.W. Verhulst, David Altadill, Antoni Segara, Daniel Kouba, Marco Guerra, Petra Koucka Knizova, Zbysek Mosna, Kitti A. Berényi, Claudio Cesaroni, Luca Spogli   +16 more
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Formation and evolution of nighttime MSTID modulated by the atmospheric tides

In this report, we utilize data from the multi-ground-based instruments of the Chinese Meridian Project (CMP) and public national websites, including red-line all-sky airglow imagers, digisondes, GNSS-TEC receivers, and so on, to conduct an in-depth investigation into the formation and evolution processes as well as the accompanying physical mechanisms
Longchang Sun, Jiyao Xu, Weiyuan Yuan, Yajun Zhu   +3 more
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Characteristics of daytime medium scale traveling ionospheric disturbances (MSTIDs) as observed by SWARM

2020
<p><span>This paper studies the daytime medium scale traveling ionospheric disturbances (MSTIDs) in the mid- and low-latitude ionosphere for a period of nearly half a solar cycle (2014-2019) using SWARM observations.
Chinmaya Nayak, Stephan Buchert
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Study of medium-scale traveling ionospheric disturbances (MSTID) with sounding rockets and ground observations

2014 XXXIth URSI General Assembly and Scientific Symposium (URSI GASS), 2014
Medium-scale traveling ionospheric disturbance (MSTID) is an interesting phenomenon in the F-region. The MSTID is frequent in summer nighttime over Japan, showing wave structures with wavelengths of 100–200 km, periodicity of about 1 hour, and propagation toward the southwest.
Mamoru Yamamoto, Tomohiro Kato, Keigo Ishisaka, Tatsuhiro Yokoyama, Naomoto Iwagami, Takao Takahashi, Makoto Tanaka, Ken Endo, Atsushi Kumamoto, Shigeto Watanabe, Masa-yuki Yamamoto, Takumi Abe, Susumu Saito, Takuya Tsugawa, Michi Nishioka, Paul Bernhardt, Miguel Larsen   +16 more
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Radar and Optical Observations of Irregular Midlatitude Sporadic E Layers Beneath MSTIDs

2011
An irregular sporadic E ionization layer was observed by the Arecibo incoherent scatter radar and a coherent scatter radar imager located on St. Croix during the passage of an MSTID observed by the Boston University all-sky camera in 630 nm imagery. The MSTID in question was not very intense and was barely detectable in the vertical F region plasma ...
David L. Hysell, Tatsuhiro Yokoyama, Elnana Nossa, Russell B. Hedden, Miguel F. Larsen, John Munro, Steven Smith, Michael P. Sulzer, Sixto A. González   +8 more
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