Ionospheric Total Electron Content (TEC) anomalies as earthquake precursors: Unveiling the geophysical connection leading to the 2023 Moroccan 6.8 Mw …

K Nayak, C López-Urías, R Romero-Andrade… - Geosciences, 2023 - mdpi.com
The study delves into the relationship between ionospheric total electron content (TEC)
anomalies and seismic activity, with a focus on Morocco's 6.8 Mw earthquake on 8 …

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

K Nayak, R Romero-Andrade, G Sharma… - Acta Geodaetica et …, 2023 - Springer
Possible ionospheric TEC precursor and crustal stress (b-value) precursor related to the Mw
7.7 Colima earthquake of September 19, 2022, were analyzed in the present study. b-value …

TEC Regional Modeling and prediction using ANN method and single frequency receiver over IRAN

F Sabzehee, S Farzaneh, MA Sharifi… - Annals of …, 2018 - annalsofgeophysics.eu
In order to study in the field of the dynamics and continuous variations in the ionosphere, the
ionospheric measurement tools such as ionosondes, incoherent scatter radars, satellites …

[HTML][HTML] An artificial neural network model in predicting VTEC over central Anatolia in Turkey

A Özkan - Geodesy and Geodynamics, 2023 - Elsevier
This research investigates the capability of artificial neural networks to predict vertical total
electron content (VTEC) over central Anatolia in Turkey. The VTEC dataset was derived from …

Analysis of Seismo-Ionospheric Irregularities Using the Available PRNs vTEC from the Closest Epicentral cGPS Stations for Large Earthquakes

K Nayak, CL Urias, R Romero Andrade… - Environmental …, 2024 - mdpi.com
The occurrence of earthquakes, which can strike suddenly without any warning, has always
posed a potential threat to humanity. However, researchers worldwide have been diligently …

[HTML][HTML] Particle-In-Cell simulation of electrostatic waves in the ionosphere

R Moulick, S Adhikari, G Sharma, BK Saikia… - Advances in Space …, 2024 - Elsevier
In the upper atmosphere (ionosphere), plasma with two electron populations is very
common. The cold electrons (T e∼ 1 eV) usually originate in the ionosphere, while the hot …

The local ionospheric modeling by integration ground GPS observations and satellite altimetry data

MA Sharifi, S Farzaneh - Annals of geophysics, 2016 - annalsofgeophysics.eu
The free electrons in the ionosphere have a strong impact on the propagation of radio
waves. When the signals pass through the ionosphere, both their group and phase velocity …

Particle-In-Cell simulation of electrostatic waves in the ionosphere

R Moulick, S Adhikari, G Sharma, WJ Miloch… - Authorea …, 2023 - essopenarchive.org
In the space atmosphere, plasma with two electron components is very common. The cold
species of electron (\(T_ {e}\sim 1\) eV) usually originate in the ionosphere, while the hot …

[PDF][PDF] Spatial Information System Architecture for the Geographic Information System

RK Ghotekar, K Shaw, M Rout - changes - researchgate.net
Geographic Information System (GIS) combines software, hardware and data for the
catching, handling, analyzing and displaying the different types of geographic information …

Regional and optimal estimation of total electron content using pseudorange observations

S Mafi, T Sadeghi Chorsi, S Farzaneh - Iranian Journal of …, 2018 - ijgeophysics.ir
Total Electron Content (TEC) is one of the most important factors in monitoring the variable
structure of ionosphere. Global Positioning System (GPS) is a useful and affordable …