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Coincident Observations by the Kharkiv IS Radarand Ionosonde, DMSP and Arase (ERG) Satellites, and FLIP Model Simulations: Implicationsfor the NRLMSISE-00 Hydrogen Density, Plasmasphere, and Ionosphere
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SYSNO ASEP 0492721 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title Coincident Observations by the Kharkiv IS Radarand Ionosonde, DMSP and Arase (ERG) Satellites, and FLIP Model Simulations: Implicationsfor the NRLMSISE-00 Hydrogen Density, Plasmasphere, and Ionosphere Author(s) Kotov, D.V. (UA)
Richards, P. G. (US)
Truhlík, Vladimír (UFA-U) RID, ORCID
Bogomaz, O. V. (UA)
Shulha, M. (UA)
Maruyama, N. (US)
Hairston, M. (US)
Miyoshi, Y. (JP)
Kasahara, Y. (JP)
Kumamoto, A. (JP)
Tsuchiya, F. (JP)
Matsuoka, A. (JP)
Shinohara, I. (JP)
Hernández-Pajares, M. (ES)
Domnin, I. F. (UA)
Zhivolup, T.G. (UA)
Emelyanov, L. Ya. (UA)
Chepurnyy, Ya. M. (UA)Number of authors 18 Source Title Geophysical Research Letters. - : Wiley - ISSN 0094-8276
Roč. 45, č. 16 (2018), s. 8062-8071Number of pages 10 s. Language eng - English Country US - United States Keywords thermospheric hydrogen ; 100% underestimation by NRLMSISE-00 model ; observations and simulations ; plasmasphere ; ionosphere ; prominent effects of weak magnetic storm Subject RIV BL - Plasma and Gas Discharge Physics OECD category Fluids and plasma physics (including surface physics) R&D Projects LTAUSA17100 GA MŠMT - Ministry of Education, Youth and Sports (MEYS) Institutional support UFA-U - RVO:68378289 UT WOS 000445612500021 EID SCOPUS 85053334140 DOI 10.1029/2018GL079206 Annotation This paper reports the results of ionosphere and plasmasphere observations with the Kharkiv incoherent scatter radar and ionosonde, Defense Meteorological Satellite Program, and Arase (ERG) satellites and simulations with field line interhemispheric plasma model during the equinoxes and solstices of solar minimum 24. The results reveal the need to increase NRLMSISE-00 thermospheric hydrogen density by a factor of similar to 2. For the first time, it is shown that the measured plasmaspheric density can be reproduced with doubled NRLMSISE-00 hydrogen density only. A factor of similar to 2 decrease of plasmaspheric density in deep inner magnetosphere (L approximate to 2.1) caused by very weak magnetic disturbance (D-st > -22nT) of 24 December 2017 was observed in the morning of 25 December 2017. During the next night, prominent effects of partially depleted flux tube were observed in the topside ionosphere (similar to 50% reduced H+ ion density) and at the F2-layer peak (similar to 50% decreased electron density). The likely physical mechanisms are discussed. Workplace Institute of Atmospheric Physics Contact Kateřina Adamovičová, adamovicova@ufa.cas.cz, Tel.: 272 016 012 ; Kateřina Potužníková, kaca@ufa.cas.cz, Tel.: 272 016 019 Year of Publishing 2019
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