2021

12 papers were published in 2021.

Refereed Journal Articles

1. Nishiyama,T., M.Taguchi, H.Suzuki, P.Dalin, Y.Ogawa, U.Brandstrom, T.Sakanoi
Temporal evolutions of N2+ Meinel (1,2) band near 1.5 μm associated with aurora breakup and their effects on mesopause temperature estimations from OH Meinel (3,1) band.
Earth, Planets and Space, 73, 30, 2021.

2. Hosokawa,K., Y.Miyoshi, S.-I.Oyama, Y.Ogawa, S.Kurita, Y.Kasahara, Y.Kasaba, S.Yagitani, S.Matsuda, M.Ozaki, F.Tsuchiya, A.Kumamoto, T.Takashima, I.Shinohara, R.Fujii
Over-darkening of pulsating aurora.
Journal of Geophysical Research: Space Physics, 126, 2021.

3. Sugo,S., O.Kawashima, S.Kasahara, K.Asamura, R.Nomura, Y.Miyoshi, Y.Ogawa, K.Hosokawa, T. Mitani, T.Namekawa, T.Sakanoi, M.Fukizawa, N.Yagi, Y.Fedorenko, A. Nikitenko, S.Yokota, K.Keika, T.Hori, C.Koehler
Energy-resolved detection of precipitating electrons of 30-100 keV by a sounding rocket associated with dayside chorus waves.
Journal of Geophysical Research: Space Physics, 126, 2021.

4. Takada,M., K.Seki, Y.Ogawa, K.Keika, S.Kasahara, S.Yokota, T.Hori, K.Asamura, Y.Miyoshi, I.Shinohara
Low-altitude ion upflow observed by EISCAT and its effects on supply of molecular ions in the ring current detected by Arase (ERG).
Journal of Geophysical Research: Space Physics, 126, 2021.

5. Fukizawa,M., Sakanoi,T., Ogawa,Y., Tsuda,T.T., Hosokawa,K.
Statistical study of electron density enhancements in the ionospheric F region associated with pulsating auroras.
Journal of Geophysical Research: Space Physics, 126, 2021.

6. Kawamura,M., Sakanoi,T., Fukizawa,M., Miyoshi,Y., Hosokawa,K., Tsuchiya,F., et al.
Simultaneous pulsating aurora and microburst observations with ground-based fast auroral imagers and CubeSat FIREBIRD-II.
Geophysical Research Letters, 48, 2021.

7. Miyamoto,T., Oyama,S.-i., Raita,T., Hosokawa,K., Miyoshi,Y., Ogawa,Y., Kurita,S.
Variations in cosmic noise absorption in association with equatorward development of the pulsating auroral patch: A case study to estimate the energy spectra of auroral precipitating electrons.
Journal of Geophysical Research: Space Physics, 126, 2021.

8. Miyoshi,Y., Hosokawa,K., Kurita,S., et al.
Penetration of MeV electrons into the mesosphere accompanying pulsating aurorae.
Sci Rep, 11, 13724, 2021.

9. Stepanov,N.A., Sergeev,V.A., Shukhtina,M.A., Ogawa,Y., Chu,X., Rogov,D.D.
Ionospheric electron density and conductance changes in the auroral zone during substorms.
Journal of Geophysical Research: Space Physics, 126, 2021.

10. Namekawa,T., Mitani,T., Asamura,K., Miyoshi,Y., Hosokawa,K., Ogawa,Y., et al.
Rocket observation of sub-relativistic electrons in the quiet dayside auroral ionosphere.
Journal of Geophysical Research: Space Physics, 126, 2021.

11. Kagawa,A., Hosokawa,K., Ogawa,Y., Ebihara,Y., Kadokura,A.
Occurrence distribution of polar cap patches: dependences on UT, season and hemisphere.
Journal of Geophysical Research: Space Physics, 126, 2021.

12. Bjoland,L.M., Ogawa,Y., Løvhaug,U.P., Lorentzen,D.A., Hatch,S.M., Oksavik,K.
Electron density depletion region observed in the polar cap ionosphere.
Journal of Geophysical Research: Space Physics, 126, 2021.

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