Climatology and modeling of ionospheric irregularities over Greenland based on empirical orthogonal function method

Y Jin, LBN Clausen, WJ Miloch, P Høeg… - Journal of Space …, 2022 - swsc-journal.org
This paper addresses the long-term climatology (over two solar cycles) of total electron
content (TEC) irregularities from a polar cap station (Thule) using the rate of change of the …

Machine Learning-based ionospheric modelling performance during high ionospheric activity

S Priyadarshi, W Syam, AAG Roqué, AP Conesa… - Proceedings of the 2023 …, 2023 - ion.org
This paper presents a slant Total Electron Content (STEC) forecasting machine learning
(ML) model focusing on the region of Europe and North Africa, and on the use of spatial as …

High-solar Activity Ionospheric Modelling Using Machine Learning: A comparison Against Classical Models

S Priyadarshi, WP Syam, AAG Roqué… - Proceedings of the 36th …, 2023 - ion.org
Ionosphere is a chaotic medium for all kind of trans-ionospheric radio wave communication
and ranging. Global Navigation Satellite System (GNSS) signals are very vulnerable to the …

Observations and modeling of ionospheric scintillations at South Pole during six X‐class solar flares in 2013

S Priyadarshi, QH Zhang, YZ Ma… - Journal of …, 2016 - Wiley Online Library
Using two B‐spline basis functions of degree 4 and the ionospheric scintillation data from a
Global Positioning Satellite System (GPS) scintillation receiver at South Pole, we …

Polar traveling ionospheric disturbances inferred with the B-spline method and associated scintillations in the Southern Hemisphere

S Priyadarshi, QH Zhang, EG Thomas, L Spogli… - Advances in Space …, 2018 - Elsevier
A new method for analyzing travelling ionospheric disturbances (TIDs) is developed by
using two B-spline basis functions of degree 4 on the Total Electron Content (TEC) data from …

Characterization of GPS and EGNOS Amplitude Scintillations over the African Equatorial/low-latitude Region

AO Akala, EO Oyeyemi, OA Arowolo… - Advances in Space …, 2019 - Elsevier
This study characterizes GPS and EGNOS amplitude scintillations over the African
equatorial/low-latitude region. The data set covers January–December 2013 at three …

The behaviors of ionospheric scintillations around different types of nightside auroral boundaries seen at the Chinese Yellow River Station, Svalbard

S Priyadarshi, QH Zhang, Y Ma, Z Xing… - Frontiers in Astronomy …, 2018 - frontiersin.org
Dynamical nightside auroral structures are often observed by the all sky imagers (ASI) at the
Chinese Yellow River Station (CYRS) at Ny-Ålesund, Svalbard, located in the polar cap near …

[HTML][HTML] Geomagnetic storm-time scintillation study in Antarctica-A comparison of model and observation

S Priyadarshi, QH Zhang, Y Wang - Polar Science, 2021 - Elsevier
The polar region is the gateway of the magnetospheric processes induced due to the solar
events; through which Sun-illuminated plasma enter into the polar ionosphere. In this paper …

An empirical L-band scintillation model for a mid-latitude station, Weihai, China during the low solar activity period

S Priyadarshi, QH Zhang, Y Wang - Science China Technological …, 2019 - Springer
Mid-latitude ionospheric scintillation has been studied in very poor proportion as compared
to the equatorial and high latitude ionospheric scintillation. Mid-latitude ionospheric …

Ionospheric perturbations initiated due to the forest-fire over Greece as a consequence of lithosphere-atmosphere-ionosphere coupling

S Priyadarshi, J Yang, M Werner… - … , Natural Hazards and …, 2020 - Taylor & Francis
A very devastating and long duration wildfire episode occurred in Greece near Athens
during 20-25 July 2018. We have investigated particulate matter PM10 and PM2. 5; and …