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Showing 1-20 of 2,134 results
  1. LSTM based forecasting of the next day’s values of ionospheric total electron content (TEC) as an earthquake precursor signal

    The sudden vibrations that occur due to the fractures in the Earth’s crust, spreading in waves and shaking the Earth’s surface, are natural disaster...

    Cafer Budak, Veysel Gider in Earth Science Informatics
    Article 26 June 2023
  2. Effect of Some Major Shallow Earthquakes (M > 6.0, Depth < 30 km) that Occurred in and Around India on the GPS-Based Total Electron Content (TEC) of the Ionosphere

    Abstract

    The GPS-based total electron content (TEC) data observed at four low-latitude TEC stations—Lucknow (LCK3), Bangalore (IISC), Hyderabad...

    Manish Awasthi, Raj Pal Singh, Devbrat Pundhir in Geomagnetism and Aeronomy
    Article 01 December 2023
  3. A sequential calibration approach based on the ensemble Kalman filter (C-EnKF) for forecasting total electron content (TEC)

    Ionospheric models are applied for computing the Total Electron Content (TEC) in ionosphere to reduce its effects on the Global Navigation Satellite...

    M. Kosary, E. Forootan, ... M. Schumacher in Journal of Geodesy
    Article 20 April 2022
  4. Correlation of Short-Period Wave Disturbances of the Peak Electron Density of the F2 Layer and the Total Electron Content in the Ionosphere

    Abstract

    Correlation analysis of short-period (periods less than 24 h) wave disturbances of the maximum electron density in the F2 layer (NmF2) and...

    N. P. Perevalova, K. G. Ratovsky, ... A. S. Yasyukevich in Doklady Earth Sciences
    Article Open access 20 September 2023
  5. Integrated observations on crustal strain-ionosphere total electron content anomalies before the earthquake

    Changes in strain (Linear and triangular) rate and Ionosphere Total Electron Content (TEC) before Mw 7.9 2018 Alaska Earthquake are investigated. Ten...

    Gopal Sharma, Mutum Somorjit Singh, ... Rosendo Romero-Andrade in Acta Geophysica
    Article 14 February 2023
  6. The JPL-GIM algorithm and products: multi-GNSS high-rate global map** of total electron content

    The Jet Propulsion Laboratory (JPL) develops JPL-GIM, a software for generating global ionospheric maps (GIMs) of total electron content (TEC) using...

    Léo Martire, Thomas F. Runge, ... Donald W. Green in Journal of Geodesy
    Article 24 May 2024
  7. Empirical Data Assimilation for Merging Total Electron Content Data with Empirical and Physical Models

    An accurate estimation of ionospheric variables such as the total electron content (TEC) is important for many space weather, communication, and...

    Ehsan Forootan, Mona Kosary, ... Maike Schumacher in Surveys in Geophysics
    Article 24 April 2023
  8. Statistical analysis of ionospheric total electron content (TEC): long-term estimation of extreme TEC in Japan

    Ionospheric total electron content (TEC) is one of the key parameters for users of radio-based systems, such as the Global Navigation Satellite...

    Michi Nishioka, Susumu Saito, ... Mamoru Ishii in Earth, Planets and Space
    Article Open access 15 February 2021
  9. Variations in GNSS-/GPS-Measured Ionospheric TEC and Solar Wind Plasma Parameters During the Total Solar Eclipse of 09 March 2016

    The effect of total solar eclipse on ionospheric total electron contents (TECs) over the ionospheric region of Indonesia was studied using...

    Lakshmi Dagar, Vijay Kumar Soni, Adarsh Kumar in Journal of the Indian Society of Remote Sensing
    Article 07 March 2024
  10. Total Electron Content Variability in the African Ionosphere Observed during Ascending and Decaying Geomagnetic Storms

    Abstract

    The geomagnetic storms of October 1, 2012, and May 28, 2017, of the mid- and equatorial-latitude ionosphere responses of the African sector...

    Chukwuma Moses Anoruo, Francisca Nneka Okeke, Kingsley Chukwudi Okpala in Geomagnetism and Aeronomy
    Article 25 December 2023
  11. ScintPi 2.0 and 3.0: low-cost GNSS-based monitors of ionospheric scintillation and total electron content

    We have devoted efforts to the development and performance evaluation of new low-cost ionospheric instruments for studies that require distributed...

    Josemaria Gomez Socola, Fabiano S. Rodrigues in Earth, Planets and Space
    Article Open access 14 December 2022
  12. Near real-time global ionospheric total electron content modeling and nowcasting based on GNSS observations

    For the purposes of routinely providing reliable and low-latency Global Ionosphere Maps (GIMs), a method of estimating hourly updated near real-time...

    Xulei **, Shuli Song in Journal of Geodesy
    Article Open access 20 March 2023
  13. ARIMA model simulation for total electron content, earthquake and radon relationship identification

    Earthquakes cause many losses of life and property with their devastating effects. Scientists conduct studies to predict the hazards by examining the...

    Sinan Keskin, Fatih Külahcı in Natural Hazards
    Article 23 September 2022
  14. Estimation of ionospheric total electron content using GNSS observations derived from a smartphone

    The global navigation satellite system (GNSS) measurements to determine ionospheric total electron content (TEC) are mainly derived from expensive...

    Li Xu, Jiu** Zha, ... Baocheng Zhang in GPS Solutions
    Article 04 September 2022
  15. 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
  16. Global TEC Response to the November 2021 Geomagnetic Storm

    This work reports the global ionospheric total electron content (TEC) distribution using global ionosphere maps (GIM) and Swarm satellite...
    Abdollah Masoud Darya, Muhammad Shaikh, ... Hamid AlNaimiy in Recent Advancements from Aquifers to Skies in Hydrogeology, Geoecology, and Atmospheric Sciences
    Conference paper 2024
  17. A system for measuring the scintillation index based on the results of monitoring of small-scale fluctuations in the total electron content of the ionosphere

    It is possible to determine the ionospheric scintillation index with a modified NovAtel GPStation-6 dual-frequency GPS/GLONASS receiver by measuring...

    Vladimir P. Pashintsev, Mark V. Peskov, ... Alexander D. Skorik in GPS Solutions
    Article 26 October 2023
  18. Topside ionospheric TEC modeling using multiple LEO satellites based on genetic algorithm-optimized machine learning models

    Machine learning approaches are introduced to model the three-dimensional topside total electron content (TEC) using multiple low Earth orbit (LEO)...

    Yi Han, Lei Wang, ... Haitao Zhou in GPS Solutions
    Article 01 November 2023
  19. Correlation Analysis of Global Ionospheric Total Electron Content Maps in March 2015

    Abstract

    The work presents an analysis of changes in the correlation coefficient between the total electron content variations at magnetically...

    A. V. Timchenko, F. S. Bessarab, ... V. V. Klimenko in Geomagnetism and Aeronomy
    Article 16 June 2022
  20. Reconstruction of global ionospheric TEC maps from IRI-2020 model based on deep learning method

    The Total Electron Content (TEC) computed from ionospheric models is a widely used parameter for characterizing the morphological structure of the...

    **n Gao, Yibin Yao, Yang Wang in Journal of Geodesy
    Article 01 February 2024
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