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Showing 1-20 of 2,272 results
  1. Ionospheric disturbance analysis of the January 15, 2022 Tonga eruption based on GPS data

    Hunga Tonga-Hunga Ha’apai climactic eruption on January 15, 2022, released enormous energy that affected the ionosphere over the Pacific Rim. We...

    Jiafeng Li, Kejie Chen, ... Mingzhe Lyu in Science China Earth Sciences
    Article 05 June 2023
  2. Using real GNSS data for ionospheric disturbance remote sensing associated with strong thunderstorm over Wuhan city

    Acoustic-gravity waves (AGWs) generated in the lower atmosphere can cause the ionosphere’s ionized plasma. Therefore, the electromagnetic signals...

    Mohamed Freeshah, Nahed Osama, **aohong Zhang in Acta Geodaetica et Geophysica
    Article 04 October 2023
  3. Preseismic Ionospheric Electric Field Irregularities Detected by the Double Probes Method

    Abstract

    Based on the double probe method, we investigated the ionospheric preseismic electric effects for the strong Chile earthquake of magnitude M...

    S. Makhlouf, M. Djebli in Geomagnetism and Aeronomy
    Article 01 December 2023
  4. IROTI: a new index to detect and identify traveling ionospheric disturbances and equatorial plasma bubbles

    The rate of total electron content index (ROTI), as the most common ionospheric disturbance index, is often used to detect equatorial plasma bubbles...

    **aodong Ren, Xuan Le, ... **aohong Zhang in GPS Solutions
    Article 12 October 2023
  5. Investigating Multiple Ionospheric Disturbances Associated with the 2020 August 4 Beirut Explosion by Geodetic and Seismological Data

    In this study, we investigated oscillatory disturbances in the atmosphere [from GNSS-derived ionospheric slant total electron content (STEC)] and in...

    Mohamed Freeshah, Erman Şentürk, ... Nahed Osama in Pure and Applied Geophysics
    Article 20 February 2024
  6. Relationship between GIX, SIDX, and ROTI ionospheric indices and GNSS precise positioning results under geomagnetic storms

    Ionospheric indices give information about ionospheric perturbations, which may cause absorption, diffraction, refraction, and scattering of radio...

    Grzegorz Nykiel, Juan Andrés Cahuasquí, ... Norbert Jakowski in GPS Solutions
    Article Open access 05 February 2024
  7. Determination of the Velocity of Ionospheric Disturbances from the Dynamics of Additional U-Shaped Traces on Ionograms

    Abstract

    One of the approaches to solving the inverse problem of determining the parameters of ionospheric disturbances is the multiple solution of...

    O. A. Laryunin, V. I. Kurkin, ... A. V. Podlesnyi in Geomagnetism and Aeronomy
    Article 26 April 2024
  8. Pre-earthquake Ionospheric Anomalies and Ionospheric Storms Observed by FORMOSAT-5/AIP and GIM TEC

    The mission of Advanced Ionospheric Probe (AIP) onboard FORMOSAT-5 (F5) satellite is to detect pre-earthquake ionospheric anomalies (PEIAs) and...

    J. Y. Liu, F. Y. Chang, ... C. K. Chao in Surveys in Geophysics
    Article Open access 09 September 2023
  9. Observation of Atmospheric and Ionospheric Anomalies before the Nepal Earthquakes on 25th April and 12th May 2015

    Abstract

    Identifying pre-seismic atmospheric and ionospheric anomalies is of research importance but also meets difficulties, especially for...

    C. P. Simha, K. M. Rao, R. K. Dumka in Geotectonics
    Article 21 June 2024
  10. Ionospheric Disturbances Following Eruptions of Stromboli Volcano

    Abstract

    Ground-based vertical ionospheric soundings were used to analyze disturbances around the maximum of the F2 layer during a vigorous eruption...

    S. A. Riabova, S. L. Shalimov in Journal of Volcanology and Seismology
    Article 01 February 2024
  11. Assessment of the Degree of Ionospheric Disturbances from the Behavior of the New Ionospheric Index

    Abstract

    Vertical ionospheric sounding data have been processed using a method proposed earlier (nonstandard ionospheric index) to assess the degree...

    O. A. Sheiner, F. I. Vybornov, A. V. Pershin in Geomagnetism and Aeronomy
    Article 01 August 2022
  12. Periodic oscillations of Doppler frequency excited by the traveling ionospheric disturbances associated with the Tonga eruption in 2022

    The explosive eruption of the Hunga Tonga-Hunga Ha’apai volcano on 15 January 2022 generated atmospheric waves traveling around the Earth, which...

    Hiroyuki Nakata, Keisuke Hosokawa, ... Ichoro Tomizawa in Earth, Planets and Space
    Article Open access 10 October 2023
  13. Ionospheric perturbations: a case study of 2007 five major earthquakes using DEMETER data

    Using the Plasma analyzer (IAP) and Langmuir Probe (ISL) experiments of the Detection of Electromagnetic Emissions Transmitted from Earthquake...

    Jewel Emem Thomas, Aniekan Martin Ekanem, ... Anthony Effiong Akpan in Acta Geophysica
    Article 10 March 2023
  14. Magnetic and Ionospheric Effects of the Shiveluch Volcano Eruption on April 10, 2023

    Abstract

    The results of instrumental observations carried out at observatories of the INTERMAGNET network and at the Wakkanai ionospheric sounding...

    V. V. Adushkin, S. A. Riabova, ... A. V. Tikhonova in Journal of Volcanology and Seismology
    Article 13 December 2023
  15. Disturbance identification of electric field data observed by the CSES-01 satellite before earthquakes

    Numerous studies have confirmed that electromagnetic disturbances before earthquakes can be observed by satellites. In this study, we use the C -value...

    Jian** Huang, Fuzhi Zhang, ... Qiao Tan in Science China Earth Sciences
    Article 04 July 2023
  16. Identifying pre-seismic ionospheric disturbances using space geodesy: A case study of the 2011 Lorca earthquake (Mw 5.1), Spain

    This research work examines earthquake-induced ionospheric anomalies through an in-depth analysis of Total Electron Content (TEC) parameter. It...

    Abdennasser Tachema in Earth Science Informatics
    Article 11 March 2024
  17. Ionospheric Response to Anomalous Geomagnetic Storm of 27 October 2021–05 November 2021

    This study presents the first results on the ionospheric response and occurrence of ionospheric irregularities to the anomalous geomagnetic...

    Asebe Oljira Geleta, Gizaw Mengistu Tsidu in Pure and Applied Geophysics
    Article 28 February 2024
  18. Ionospheric response to the 2020 Samos earthquake and tsunami

    On 30 October 2020 at 11:51 UT, a magnitude 7.0 earthquake occurred in the Dodecanese sea (37.84°N, 26.81°E, 10 km depth) and generated a tsunami...

    Lucilla Alfonsi, Claudio Cesaroni, ... Marco Guerra in Earth, Planets and Space
    Article Open access 19 January 2024
  19. Analysis of Ionospheric Parameters During Solar Events and Magnetic Storms

    The paper presents a detailed analysis of the critical frequency data of the ionospheric F2 layer (foF2) during magnetic storms in 2022 and 2023....
    Conference paper 2023
  20. Analysis of Ionospheric TEC Variations and Prediction of TEC during Earthquakes Using Ordinary Kriging Based Surrogate Model

    Abstract

    Earthquake indicators provide a huge advantage in the preparation for the calamity and its aftermaths. Total electron content (TEC) is an...

    R. Mukesh, Sarat C. Dass, ... S. Mythili in Geomagnetism and Aeronomy
    Article 01 December 2023
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