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2-D ionosphere TEC anomaly before January 28, 2020, Cuba earthquake observed from a network of GPS observations data
Global Positioning System (GPS) observations from 118 Continuously Operating Reference Stations (CORS) were used to study total electron content...
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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...
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Analysis of Ionospheric TEC Variations and Prediction of TEC during Earthquakes Using Ordinary Kriging Based Surrogate Model
AbstractEarthquake indicators provide a huge advantage in the preparation for the calamity and its aftermaths. Total electron content (TEC) is an...
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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...
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A combined approach using b-value and ionospheric GPS-TEC for large earthquake precursor detection: a case study for the Colima earthquake of 7.7 Mw, Mexico
Possible ionospheric TEC precursor and crustal stress (b-value) precursor related to the M w 7.7 Colima earthquake of September 19, 2022, were...
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Association of the Mw 7.5, second Southeastern Turkey earthquake with the ionosphere across the TEC cross section
Approximately 9 h after the first Kahramanmaras earthquake, which hit on the night connecting February 5–6, earthquake institutes report a second...
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A new global TEC empirical model based on fusing multi-source data
The global TEC empirical model established with the TEC grid data of IGS as the background has poor prediction accuracy in marine areas, and its...
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Response of the Asian-Australian Low Latitude TEC to the 2013 SSW Event and a Moderate Geomagnetic Storm
AbstractIn this study, the Total Electron Content (TEC) variability over Asian-Australian low-latitude sector is investigated during the 2013 Sudden...
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Low Ionosphere Density Above the Earthquake Epicentre Region of Mw 7.2, El Mayor–Cucapah Earthquake Evident from Dense CORS Data
In this study, a potential precursor related to the Mw 7.2 Mexico earthquake on April 4, 2010, was investigated by analysing ionosphere total...
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Seasonal variation of quiet-time TEC over West and Central African equatorial/low-latitude ionosphere (2011–2014)
This study investigates seasonal variation of quiet-time total electron content (TEC) over West and Central African equatorial/low-latitude...
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LSTM-based short-term ionospheric TEC forecast model and positioning accuracy analysis
Ionospheric delay is one of the major error sources in global navigation satellite system (GNSS). The ionospheric delay can be corrected by empirical...
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An improved NeQuick-G global ionospheric TEC model with a machine learning approach
The advancements in computational resources and Artificial Intelligence (AI) technological tools can predict Global Ionospheric Maps (GIMs). The...
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A storm-time ionospheric TEC model with multichannel features by the spatiotemporal ConvLSTM network
The total electron content (TEC) is an important parameter for characterizing the morphology of the ionosphere. Modeling the ionospheric TEC...
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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
AbstractThe GPS-based total electron content (TEC) data observed at four low-latitude TEC stations—Lucknow (LCK3), Bangalore (IISC), Hyderabad...
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Ionospheric Anomalies Due to Nepal Earthquake-2015 as Observed from GPS-TEC Data
AbstractThe ionosphere is a part of the upper atmosphere, where there are enough electrons and ions, which effectively interact with terrestrial and...
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Seismo-ionospheric anomalies before M7.2 Haiti earthquake of August 14, 2021, from GPS-TEC
Satellite-based measurements of total electron content (TEC) have been employed extensively to detect seismo-ionospheric anomalies. In this research,...
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Analysis of Ionospheric TEC Variations Due to X, M & C Class Solar Flares during the Years 2003 to 2018 and Comparison with IRI Models
AbstractTotal Electron Content (TEC) is one of the exciting properties of the Earth’s ionosphere. Analysis done on TEC variation data collected...
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Optimal TEC Forecast Models Based on Machine Learning and Time Series Analysis Techniques: A Preliminary Study on the Ring of Fire
Geomagnetic storms are one of the major factors causing Total Electron Content (TEC) anomalies. Analyses of TEC fluctuations also provide a valuable...
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Amplitude enhancement of short period GPS-TEC oscillations over rainfall area
Correlation between rainfall and short period GPS-TEC (total electron content) variations are investigated by using the precipitation data obtained...
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An Investigation of the Global TEC Behavior from 1999 to 2017 Variations and Deviations
AbstractThe global TEC (Total Electron Content) behavior has been studied for several decades, but some properties of this behavior have not been...
