Big data and actuarial science

H Hassani, S Unger, C Beneki - Big Data and Cognitive Computing, 2020 - mdpi.com
This article investigates the impact of big data on the actuarial sector. The growing fields of
applications of data analytics and data mining raise the ability for insurance companies to …

Ionosphere Variability II: Advances in theory and modeling

I Tsagouri, DR Themens, A Belehaki, JS Shim… - Advances in Space …, 2023 - Elsevier
This paper aims to provide an overview on recent advances in ionospheric modeling
capabilities, with the emphasis in the efforts relevant to electron density variability. The …

The simplified ionospheric regional model (SIRM) for HF prediction: Basic theory, its evolution and applications

M Pietrella, M Pezzopane, B Zolesi, LR Cander… - Surveys in …, 2020 - Springer
This paper is a final review of the Simplified Ionospheric Regional Model (SIRM) developed
as a prototype in the early 1990s and improved in the following years. By means of an …

Observational evidence of thermospheric wind and composition changes and the resulting ionospheric disturbances in the European sector during extreme …

J Kim, YS Kwak, C Lee, J Lee, H Kam… - Journal of Space …, 2023 - swsc-journal.org
On November 1st and 2nd, 2021, four Halo coronal mass ejections were ejected from the
Sun, releasing billions of tons of high-energy particles into interplanetary space. These were …

Ionosphere response to three extreme events occurring near spring equinox in 2012, 2013 and 2015, observed by regional GNSS-TEC model

A Krypiak-Gregorczyk - Journal of Geodesy, 2019 - Springer
Abstract Recent Solar Cycle 24 is characterized by the occurrence of three strong
disturbances near an equinox. In this contribution, the responses of the ionosphere to the …

Ionospheric electron density perturbations during the 7–10 March 2012 geomagnetic storm period

A Belehaki, I Kutiev, P Marinov, I Tsagouri… - Advances in Space …, 2017 - Elsevier
From 7 to 10 March 2012 a series of magnetospheric disturbances caused perturbations in
the ionospheric electron density. Analyzing the interplanetary causes in each phase of this …

[HTML][HTML] Spatial and seasonal effects on the delayed ionospheric response to solar EUV changes

E Schmölter, J Berdermann, N Jakowski… - Annales …, 2020 - angeo.copernicus.org
This study correlates different ionospheric parameters with the integrated solar extreme
ultraviolet radiation (EUV) radiation to analyze the delayed ionospheric response, testing …

A comparison of the topside electron density measured by the Swarm satellites and incoherent scatter radars over Resolute Bay, Canada

B Larson, AV Koustov, AF Kouznetsov… - Radio …, 2021 - ieeexplore.ieee.org
Electron density measured at high latitudes by the Swarm satellites is compared with the
measurements by the RISR incoherent scatter radars as the satellites fly by the radars' field …

Validation of Swarm Langmuir probes by incoherent scatter radars at high latitudes

H Fast, A Koustov, R Gillies - Remote Sensing, 2023 - mdpi.com
Electron density measured at high latitudes by the Swarm satellites was compared with
measurements by the incoherent scatter radars at Resolute Bay and Poker Flat. Overall, the …

Maximum usable frequency and skip distance maps over Italy

M Pietrella, M Pezzopane - Advances in Space Research, 2020 - Elsevier
Abstract Since 1988 the Upper Atmosphere Physics unit of the Istituto Nazionale di Geofisica
e Vulcanologia (INGV) has provided maps of Maximum Usable Frequency (MUF) and skip …