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Found 10 entries in the Bibliography.

Showing entries from 1 through 10

2022

Total Electron Content Variations during an HSS/CIR driven storm at high and middle latitudes

Geethakumari, Gopika; Aikio, Anita; Cai, Lei; Vanhamaki, Heikki; Pedersen, Marcus; Coster, Anthea; Marchaudon, Aurélie; Blelly, Pierre-Louis; Haberle, Veronika; Maute, Astrid; Ellahouny, Nada; Virtanen, Ilkka; Norberg, Johannes; Soyama, Shin-Ichiro; Grandin, Maxime;

Published by: Published on: mar

YEAR: 2022 DOI: 10.5194/egusphere-egu22-8194

Ionospheric response of St. Patrick’s Day geomagnetic storm over Indian low latitude regions

The current work shows the ionospheric response to an intense geomagnetic storm known as St. Patrick’s Day storm which occurred from 17-22 March 2015 using the ionospheric

Chaurasiya, Sunil; Patel, Kalpana; Kumar, Sanjay; Singh, Abhay;

Published by: Astrophysics and Space Science Published on:

YEAR: 2022 DOI: 10.1007/s10509-022-04137-3

2021

Echo occurrence in the southern polar ionosphere for the SuperDARN Dome C East and Dome C North radars

In this paper, echo occurrence rates for the Dome C East (DCE) and the new Dome C North (DCN) radars are studied. We report the ionospheric and ground scatter echo occurrence rates for selected periods around equinoxes and solstices in the final part of the solar cycle XXIV. The occurrence maps built in Altitude Adjusted Corrected Geomagnetic latitude and Magnetic Local Time coordinates show peculiar patterns highly variable with season. The comparisons of the radar observations with the International Reference Ionosphere mo ...

Marcucci, Maria; Coco, Igino; Massetti, Stefano; Pignalberi, Alessio; Forsythe, Victoriya; Pezzopane, Michael; Koustov, Alexander; Longo, Simona; Biondi, David; Simeoli, Enrico; Consolini, Giuseppe; Laurenza, Monica; Marchaudon, Aurélie; Satta, Andrea; Cirioni, Alessandro; De Simone, Angelo; Olivieri, Angelo; Baù, Alessandro; Salvati, Alberto;

Published by: Polar Science Published on: jun

YEAR: 2021 DOI: 10.1016/j.polar.2021.100684

Echo occurrence; IRI model; Polar cap radars; Ray-tracing

2018

IPIM Modeling of the Ionospheric F ₂ Layer Depletion at High Latitudes During a High-Speed Stream Event

Our aim is to understand the effect of high-speed stream events on the high-latitude ionosphere and more specifically the decrease of the f_oF₂ frequency during the entire day following the impact. First, we have selected one summertime event, for which a large data set was available: Super Dual Auroral Radar Network (SuperDARN) and European Incoherent SCATter (EISCAT) radars, Troms\o and Sodankylä ionosondes, and the CHAllenging Minisatellite Payload (CHAMP) satellite. We ...

Marchaudon, A.; Blelly, P.-L.; Grandin, M.; Aikio, A.; Kozlovsky, A.; Virtanen, I.;

Published by: Journal of Geophysical Research: Space Physics Published on: 08/2018

YEAR: 2018 DOI: 10.1029/2018JA025744

IPIM Modeling of the Ionospheric F 2 Layer Depletion at High Latitudes During a High-Speed Stream Event

Our aim is to understand the effect of high‐speed stream events on the high‐latitude ionosphere and more specifically the decrease of the f o F 2 frequency during the entire day

Marchaudon, A; Blelly, P-L; Grandin, M; Aikio, A; Kozlovsky, A; Virtanen, I;

Published by: Journal of Geophysical Research: Space Physics Published on:

YEAR: 2018 DOI: 10.1029/2018JA025744

2015

The August 2011 URSI World Day campaign: Initial results

During a 10-day URSI World Day observational campaign beginning on August 1, 2011, an isolated, major geomagnetic storm occurred. On August 5,\ Kp\ reached values of 8^-and\ Dst\ dropped to -113\ nT. The occurrence of this isolated storm in the middle of a 10-day URSI World Day campaign provides and unprecedented opportunity to observe the coupling of solar wind energy into the magnetosphere and to evaluate the varied effects that occur in the coupled magnetosphere\text ...

Immel, Thomas; Liu, Guiping; England, Scott; Goncharenko, Larisa; Erickson, Philip; Lyashenko, Mykhaylo; Milla, Marco; Chau, Jorge; Frey, Harald; Mende, Stephen; Zhou, Qihou; Stromme, Anja; Paxton, Larry;