Results 11 to 20 of about 197,251 (258)

Global investigation of the ionospheric irregularities during the severe geomagnetic storm on September 7–8, 2017

Geodesy and Geodynamics, 2020
In this study, the global effects of the severe geomagnetic storm on the Earth's ionosphere on September 5–9, 2017 with Coronal Mass Ejections (CMEs) associated with X-9.3 flares on September 6, 2017 were investigated by the Rate of Total Electron ...
Ramazan Atıcı, Selçuk Sağır
doaj   +2 more sources

IGS ROTI Maps: Current Status and Its Extension towards Equatorial Region and Southern Hemisphere [PDF]

Sensors, 2022
The International GNSS Service (IGS) diurnal ROTI maps ionospheric product was developed to characterize ionospheric irregularities occurrence over the Northern hemisphere and has been available for the community since 2014.
Iurii Cherniak, Irina Zakharenkova, Andrzej Krankowski   +2 more
doaj   +2 more sources

Spatial and Temporal Distributions of Ionospheric Irregularities Derived from Regional and Global ROTI Maps

Remote Sensing, 2021
Major advancements in the monitoring of both the occurrence and impacts of space weather can be made by evaluating the occurrence and distribution of ionospheric disturbances.
Chinh Thai Nguyen, Seun Temitope Oluwadare, Nhung Thi Le, Mahdi Alizadeh, Jens Wickert, Harald Schuh   +5 more
doaj   +2 more sources

Ionospheric Plasma IRregularities - IPIR - Data Product Based on Data From the Swarm Satellites. [PDF]

J Geophys Res Space Phys, 2022
Ionospheric plasma irregularities can be successfully studied with the Swarm satellites. Parameters derived from the in‐situ plasma measurements and from the topside ionosphere total electron content provide a comprehensive dataset for characterizing ...
Jin Y, Kotova D, Xiong C, Brask SM, Clausen LBN, Kervalishvili G, Stolle C, Miloch WJ.   +7 more
europepmc   +2 more sources

New advantages of the combined GPS and GLONASS observations for high-latitude ionospheric irregularities monitoring: case study of June 2015 geomagnetic storm

Earth, Planets and Space, 2017
Monitoring, tracking and nowcasting of the ionospheric plasma density disturbances using dual-frequency measurements of the Global Positioning System (GPS) signals are effectively carried out during several decades.
Iurii Cherniak, Irina Zakharenkova
doaj   +2 more sources

Nighttime ionospheric irregularity during intense geomagnetic storm events over the Europe-African longitudinal sector [PDF]

Heliyon
Radio communication and navigation systems can be severely impacted by irregularities in the ionosphere. There is still much to learn about how geomagnetic storms affect the occurrence of these irregularities.
Yibekal Kassa, Ambelu Tebabal, Baylie Damtie   +2 more
doaj   +2 more sources

A Retrospective of Global Navigation Satellite System Ionospheric Irregularities Monitoring Networks in Brazil

Journal of Aerospace Technology and Management, 2023
The use of Global Navigation Satellite System (GNSS) for air and terrestrial navigation and for many applications is increasing in the last decades. However, the Earth’s ionosphere causes GNSS signal delay due to the total electron content (TEC) and ...
E. R. Paula, J. Monico, Ítalo Tsuchiya, C. Valladares, S. Costa, L. Marini‐Pereira, B. Vani, A. Moraes   +7 more
semanticscholar   +1 more source

Relationship between geomagnetic storms and occurrence of ionospheric irregularities in the west sector of Africa during the peak of the 24th solar cycle

Frontiers in Astronomy and Space Sciences, 2022
The study of ionospheric irregularities is important since many technological systems might be influenced by the ionosphere. In this work, we use data from the Global Navigation Satellite Systems (GNSS) receiver installed in Abuja, Nigeria, GPS ...
George Ochieng Ondede, George Ochieng Ondede, A. B. Rabiu, A. B. Rabiu, Daniel Okoh, Daniel Okoh, Paul Baki, Joseph Olwendo, Kazuo Shiokawa, Yuichi Otsuka   +9 more
doaj   +1 more source

Climatology and Modeling of Ionospheric Irregularities over Greenland Based on Empirical Orthogonal Function Method

Journal of Space Weather and Space Climate, 2022
This paper addresses the long-term climatology (over two solar cycles) of total electron content (TEC) irregularities from a polar cap station (Thule) using rate of change of TEC index (ROTI).
Yaqi Jin, L. Clausen, W. Miloch, P. Høeg, W. Jarmołowski, P. Wielgosz, J. Paziewski, B. Milanowska, M. Hoque, J. Berdermann, Haixia Lyu, M. Hernández‐Pajares, Enric Monte‐Moreno, Alberto García Rigo   +13 more
semanticscholar   +1 more source

Investigating the Impacts of Ionospheric Irregularities on Precise Point Positioning Over China and Its Mechanism

Space Weather, 2022
The impacts of ionospheric irregularities on precise point positioning (PPP) have been commonly noticed in the field of the ionosphere and the precise application of the Global Navigation Satellite System.
Wei Li, Shuli Song, Weili Zhou, Na Cheng, Chao Yu   +4 more
doaj   +1 more source