Zobrazeno 1 - 10
of 250
pro vyhledávání: '"Oksavik Kjellmar"'
Publikováno v:
In Journal of Atmospheric and Solar-Terrestrial Physics March 2024 256
Akademický článek
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Akademický článek
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Autor:
Jin, Yaqi, Moen, Jøran I., Oksavik, Kjellmar, Spicher, Andres, Clausen, Lasse B. N., Miloch, Wojciech J.
This paper investigates the relative scintillation level associated with cusp dynamics (including precipitation, flow shears, etc.) with and without the formation of polar cap patches around the cusp inflow region by the EISCAT Svalbard radar (ESR) a
Externí odkaz:
http://arxiv.org/abs/1710.06687
Autor:
Moen, Jøran, Oksavik, Kjellmar, Alfonsi, Lucilla, Daabakk, Yvonne, Romano, Vineenzo, Spogli, Luca
This paper presents research on polar cap ionosphere space weather phenomena conducted during the European Cooperation in Science and Technology (COST) action ES0803 from 2008 to 2012. The main part of the work has been directed toward the study of p
Externí odkaz:
http://arxiv.org/abs/1708.08617
Direct impact excitation by precipitating electrons is believed to be the main source of 630.0 nm emissions in the cusp ionosphere. However, this paper investigates a different source, 630.0 emissions caused by thermally excited atomic oxygen O$(^{1}
Externí odkaz:
http://arxiv.org/abs/1706.00318
Autor:
Sandanger, Marit Irene, Ødegaard, Linn-Kristine Glesnes, Tyssøy, Hilde Nesse, Stadsnes, Johan, Søraas, Finn, Oksavik, Kjellmar, Aarsnes, Kjell
The MEPED instruments on board the NOAA POES andMetOp satellites have been continuously measuring energetic particles in the magnetosphere since 1978. However, degradation of the proton detectors over time leads to an increase in the energy threshold
Externí odkaz:
http://arxiv.org/abs/1701.04705
Autor:
Zhang, Qing-He, Zhang, Yong-Liang, Wang, Chi, Lockwood, Michael, Yang, Hui-Gen, Tang, Bin-Bin, Xing, Zan-Yang, Oksavik, Kjellmar, Lyons, Larry R., Ma, Yu-Zhang, Zong, Qiu-Gang, Moen, Jøran Idar, Xia, Li-Dong
Publikováno v:
Proceedings of the National Academy of Sciences of the United States of America, 2020 Jul . 117(28), 16193-16198.
Externí odkaz:
https://www.jstor.org/stable/26935206
Autor:
van der Meeren, Christer, Oksavik, Kjellmar, Lorentzen, Dag A., Paxton, Larry J., Clausen, Lasse B. N.
In this paper we study the presence of irregularities and scintillation in relation to the nightside part of a long-lived, Sun-aligned transpolar arc on 15 January 2015. The arc was observed in DMSP UV and particle data and lasted at least 3 h betwee
Externí odkaz:
http://arxiv.org/abs/1612.00046
Autor:
van der Meeren, Christer, Oksavik, Kjellmar, Lorentzen, Dag, Moen, Jøran Idar, Romano, Vincenzo
In this paper we study a tongue of ionization (TOI) on 31 October 2011 which stretched across the polar cap from the Canadian dayside sector to Svalbard in the nightside ionosphere. The TOI front arrived over Svalbard around 1930 UT. We have investig
Externí odkaz:
http://arxiv.org/abs/1607.00796