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3. Space science

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  1. The generation and evolution of artificial plasma clouds is a complicated process that is strongly dependent on the background environment and release conditions. In this paper, based on a three-dimensional tw...

    Authors: Xiaoli Zhu, Yaogai Hu, Zhengyu Zhao, Binbin Ni and Yuannong Zhang

    Citation: Earth, Planets and Space 2020 72:183

    Content type: Full paper

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  2. We studied temporal variation of the differential rotation and poleward meridional circulation during solar cycle 24 using the magnetic element feature tracking technique. We used line-of-sight magnetograms ob...

    Authors: Shinsuke Imada, Kengo Matoba, Masashi Fujiyama and Haruhisa Iijima

    Citation: Earth, Planets and Space 2020 72:182

    Content type: Full paper

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  3. Polarimetry is a crucial method to investigate solar magnetic fields. From the viewpoint of space weather, the magnetic field in solar filaments, which occasionally erupt and develop into interplanetary flux r...

    Authors: Yoichiro Hanaoka, Yukio Katsukawa, Satoshi Morita, Yukiko Kamata and Noriyoshi Ishizuka

    Citation: Earth, Planets and Space 2020 72:181

    Content type: Technical report

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  4. Upper atmospheric conditions are crucial for the safe operation of spacecraft orbiting near Earth and for communication and positioning systems using radio signals. To understand and predict the upper atmosphe...

    Authors: Chihiro Tao, Hidekatsu Jin, Yasunobu Miyoshi, Hiroyuki Shinagawa, Hitoshi Fujiwara, Michi Nishioka and Mamoru Ishii

    Citation: Earth, Planets and Space 2020 72:178

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  5. Solar flares trigger an increase in plasma density in the ionosphere including the D region, and cause the absorption of radio waves, especially in high-frequency (HF) ranges, called short-wave fadeout (SWF). ...

    Authors: Chihiro Tao, Michi Nishioka, Susumu Saito, Daikou Shiota, Kyoko Watanabe, Naoto Nishizuka, Takuya Tsugawa and Mamoru Ishii

    Citation: Earth, Planets and Space 2020 72:173

    Content type: Full paper

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  6. Simultaneously estimating plasma parameters of the ionosphere presents a problem for the incoherent scatter radar (ISR) technique at altitudes between ~ 130 and ~ 300 km. Different mixtures of ion concentratio...

    Authors: Miguel Martínez-Ledesma and Francisco Jaramillo Montoya

    Citation: Earth, Planets and Space 2020 72:172

    Content type: Technical report

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  7. Ionospheric irregularities can affect satellite communication and navigation by causing scintillations of radio signals. The scintillations are routinely measured using ground-based networks of receivers. This...

    Authors: Sharon Aol, Stephan Buchert and Edward Jurua

    Citation: Earth, Planets and Space 2020 72:164

    Content type: Full paper

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  8. Electric currents flowing in the terrestrial ionosphere have conventionally been diagnosed by low-earth-orbit (LEO) satellites equipped with science-grade magnetometers and long booms on magnetically clean sat...

    Authors: Jaeheung Park, Claudia Stolle, Yosuke Yamazaki, Jan Rauberg, Ingo Michaelis and Nils Olsen

    Citation: Earth, Planets and Space 2020 72:162

    Content type: Full paper

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  9. In the Earth’s inner magnetosphere, there exist regions like plasmasphere, ring current, and radiation belts, where the population of charged particles trapped along the magnetic field lines is more. These par...

    Authors: Pankaj K. Soni, Bharati Kakad and Amar Kakad

    Citation: Earth, Planets and Space 2020 72:129

    Content type: Full paper

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  10. Statistical distributions are investigated for magnetic storms, sudden commencements (SCs), and substorms to identify the possible amplitude of the one in 100-year and 1000-year events from a limited data set ...

    Authors: Ryuho Kataoka

    Citation: Earth, Planets and Space 2020 72:124

    Content type: Full paper

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  11. The importance of the investigation of magnetic superstorms is not limited to academic interest, because these superstorms can cause catastrophic impact on the modern civilisation due to our increasing depende...

    Authors: Hisashi Hayakawa, José R. Ribeiro, Yusuke Ebihara, Ana P. Correia and Mitsuru Sôma

    Citation: Earth, Planets and Space 2020 72:122

    Content type: Express Letter

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  12. We investigate the longitudinal structure of the oxygen torus in the inner magnetosphere for a specific event found on 12 September 2017, using simultaneous observations from the Van Allen Probe B and Arase sa...

    Authors: M. Nosé, A. Matsuoka, A. Kumamoto, Y. Kasahara, M. Teramoto, S. Kurita, J. Goldstein, L. M. Kistler, S. Singh, A. Gololobov, K. Shiokawa, S. Imajo, S. Oimatsu, K. Yamamoto, Y. Obana, M. Shoji…

    Citation: Earth, Planets and Space 2020 72:111

    Content type: Full paper

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  13. We examined how much large-scale and localized upward and downward currents contribute to the substorm current wedge (SCW), and how they evolve over time, using the THEMIS all-sky imagers (ASIs) and ground mag...

    Authors: Y. Nishimura, L. R. Lyons, C. Gabrielse, J. M. Weygand, E. F. Donovan and V. Angelopoulos

    Citation: Earth, Planets and Space 2020 72:106

    Content type: Full paper

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  14. We studied the space weather effects on the South Atlantic Anomaly (SAA) magnetic response using Tsyganenko models. For the physical parameters characterizing the SAA, the study considered the minimum magnetic...

    Authors: Kirolosse M. Girgis, Tohru Hada and Shuichi Matsukiyo

    Citation: Earth, Planets and Space 2020 72:100

    Content type: Full paper

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  15. Being footprints of major magnetic storms and hence major solar eruptions, mid- to low-latitude aurorae have been one of the pathways to understand solar–terrestrial environments. However, it has been reported...

    Authors: Denny M. Oliveira, Hisashi Hayakawa, Ankush Bhaskar, Eftyhia Zesta and Geeta Vichare

    Citation: Earth, Planets and Space 2020 72:82

    Content type: Express Letter

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  16. Prompt penetration electric fields were detected during the intense geomagnetic storm on 22 June, 2015 by the HF Doppler sounders at middle and low latitudes; Prague (Czech Republic), Iitate, Oarai, Onna (Japa...

    Authors: Kumiko K. Hashimoto, Takashi Kikuchi, Ichiro Tomizawa, Keisuke Hosokawa, Jaroslav Chum, Dalia Buresova, Masahito Nose and Kiyokazu Koga

    Citation: Earth, Planets and Space 2020 72:71

    Content type: Full paper

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  17. A possible driver of precipitation of magnetospheric energetic electrons in the high-latitude atmosphere is represented by electromagnetic ion-cyclotron (EMIC) magnetospheric waves. The precipitating particles...

    Authors: P. Francia, M. Regi, M. De Lauretis, M. Pezzopane, C. Cesaroni, L. Spogli and T. Raita

    Citation: Earth, Planets and Space 2020 72:59

    Content type: Full paper

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  18. We report the propagation of substorm-associated magnetic fluctuations by multipoint magnetic observations from ground and space in the same meridional plane. The first Quasi-Zenith Satellite (QZS-1), which ha...

    Authors: Shun Imajo, Masahito Nosé, Mari Aida, Nana Higashio, Haruhisa Matsumoto, Koga Kiyokazu, Charles Smith, Robert J. MacDowall and Akimasa Yoshikawa

    Citation: Earth, Planets and Space 2020 72:58

    Content type: Express Letter

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  19. A technique for estimating a plasma drift velocity distribution in the ionosphere is presented. This technique is based on a framework for representing a global vector field on a sphere by using a set of local...

    Authors: S. Nakano, T. Hori, K. Seki and N. Nishitani

    Citation: Earth, Planets and Space 2020 72:46

    Content type: Technical report

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  20. Measurements of the electron density at the F region peak by the Canadian Advanced Digital Ionosonde (CADI) and the Resolute Incoherent Scatter Radar (RISR) are used to assess the quality of peak electron dens...

    Authors: Alexander V. Koustov, Sydney Ullrich, Pavlo V. Ponomarenko, Robert G. Gillies, David R. Themens and Nozomu Nishitani

    Citation: Earth, Planets and Space 2020 72:43

    Content type: Full paper

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  21. Nonlinearities in space and astrophysical plasmas generate a set of magnetic filaments or bundles that have an incompressible sense of fluctuations and propagate highly obliquely to the mean magnetic field. Th...

    Authors: Horia Comişel, Yasuhito Narita and Uwe Motschmann

    Citation: Earth, Planets and Space 2020 72:32

    Content type: Express Letter

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  22. The refilling of the plasmasphere following geomagnetic storms remains one of the longstanding and interesting problems in ionosphere–magnetosphere coupling research. The objective of this paper is the formula...

    Authors: K. Chatterjee and R. W. Schunk

    Citation: Earth, Planets and Space 2020 72:26

    Content type: Full paper

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  23. This paper proposes a new technique, namely Phase bias-based Small Grid Model (PSGM), to derive absolute ionospheric vertical total electron content (VTEC) with observations of Global Navigation Satellite Syst...

    Authors: Qi Li, Guanyi Ma, Takashi Maruyama, Jinghua Li, Qingtao Wan, Xiaolan Wang, Jiangtao Fan and Jie Zhang

    Citation: Earth, Planets and Space 2020 72:14

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  24. Statistical analysis of spread F (SF), recorded at Puer (PUR, 22.7° N, 101.05° E, Dip Latitude 12.9° N) during 2015–2016, was carried out to reveal its characteristics at the northern equatorial ionization ano...

    Authors: Ting Lan, Chunhua Jiang, Guobin Yang, Yuannong Zhang, Jing Liu and Zhengyu Zhao

    Citation: Earth, Planets and Space 2019 71:138

    Content type: Full paper

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  25. Observations by six Super Dual Auroral Radar Network (SuperDARN) polar cap radars, three in the northern hemisphere and three in the southern hemispheres, are considered to assess F region echo occurrence rate...

    Authors: Alexander V. Koustov, Sydney Ullrich, Pavlo V. Ponomarenko, Nozomu Nishitani, Federica M. Marcucci and William A. Bristow

    Citation: Earth, Planets and Space 2019 71:112

    Content type: Frontier letter

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  26. This paper presents how the magnetosphere–plasmasphere–ionosphere system was affected as a whole during the geomagnetic storm peaking on 27 May 2017. The interplanetary conditions, the magnetospheric response ...

    Authors: Michael Pezzopane, Afredo Del Corpo, Mirko Piersanti, Claudio Cesaroni, Alessio Pignalberi, Simone Di Matteo, Luca Spogli, Massimo Vellante and Balazs Heilig

    Citation: Earth, Planets and Space 2019 71:77

    Content type: Full paper

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  27. Atmospheric loss and ion outflow play an important role in the magnetospheric dynamics and in the evolution of the atmosphere on geological timescales—an evolution which is also dependent on the solar activity...

    Authors: Audrey Schillings, Rikard Slapak, Hans Nilsson, Masatoshi Yamauchi, Iannis Dandouras and Lars-Göran Westerberg

    Citation: Earth, Planets and Space 2019 71:70

    Content type: Full paper

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  28. We report a statistical study of medium-scale traveling ionospheric disturbances (MSTIDs) during 2014–2017 in the low-latitude China region using the Hong Kong Continuously Operating Reference Stations network...

    Authors: Guanyi Chen, Chen Zhou, Yi Liu, Jiaqi Zhao, Qiong Tang, Xiang Wang and Zhengyu Zhao

    Citation: Earth, Planets and Space 2019 71:52

    Content type: Full paper

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  29. Spread-F is known as the electron density inhomogeneous structures in F layer of ionosphere and can usually be classified as frequency spread-F (FSF) and range spread-F (RSF). Few studies have reported on the ...

    Authors: Ning Wang, Lixin Guo, Zonghua Ding, Zhenwei Zhao, Zhengwen Xu, Tong Xu and Yanli Hu

    Citation: Earth, Planets and Space 2019 71:47

    Content type: Full paper

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  30. Coronal mass ejections (CMEs) cause disturbances in the environment of the Earth when they arrive at the Earth. However, the prediction of the arrival of CMEs still remains a challenge. We have developed an in...

    Authors: Kazumasa Iwai, Daikou Shiota, Munetoshi Tokumaru, Ken’ichi Fujiki, Mitsue Den and Yûki Kubo

    Citation: Earth, Planets and Space 2019 71:39

    Content type: Full paper

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  31. This study examines the influence of the El Niño–Southern Oscillation (ENSO) on the ionospheric total electron content (TEC) diurnal eastward 3 (DE3) and stationary planetary wave 4 (SPW4) which are the major ...

    Authors: Yang-Yi Sun, Huixin Liu, Yasunobu Miyoshi, Loren C. Chang and Libo Liu

    Citation: Earth, Planets and Space 2019 71:35

    Content type: Full paper

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    The Correction to this article has been published in Earth, Planets and Space 2019 71:45

  32. The St. Patrick’s Day phenomenon is a geomagnetic storm that deserves serious discussion because of its intensity and effectiveness. This study focuses on the St. Patrick’s Day storm on March 17, 2015, which i...

    Authors: Emre Eroglu

    Citation: Earth, Planets and Space 2019 71:26

    Content type: Full paper

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  33. In order to statistically investigate the relationship between the low-latitude coronal holes (CHs), the solar wind speed, and the geomagnetic activity in solar cycles 23 (1996–2008) and 24 (2009–2016), we con...

    Authors: Yumi Nakagawa, Satoshi Nozawa and Atsuki Shinbori

    Citation: Earth, Planets and Space 2019 71:24

    Content type: Full paper

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  34. Substorm-associated electron injection, starting on Apr. 5, 2017, was observed by the ERG (Arase), GOES-15 and GOES-13 spacecraft. ERG successfully observed a clear and sufficient extent of manifestations of t...

    Authors: Tzu-Fang Chang, Chio-Zong Cheng, Sunny Wing-Yee Tam, Chih-Yu Chiang, Yoshizumi Miyoshi, Tomoaki Hori, Takefumi Mitani, Takeshi Takashima, Ayako Matsuoka, Mariko Teramoto and Iku Shinohara

    Citation: Earth, Planets and Space 2019 71:18

    Content type: Express Letter

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  35. Transient mesospheric echo in the VHF range was detected at an altitude of 65–70 km during the auroral breakup that occurred from 2220 to 2226 UT on June 30, 2017. During this event, the footprint of the Arase...

    Authors: Ryuho Kataoka, Takanori Nishiyama, Yoshimasa Tanaka, Akira Kadokura, Herbert Akihito Uchida, Yusuke Ebihara, Mitsumu K. Ejiri, Yoshihiro Tomikawa, Masaki Tsutsumi, Kaoru Sato, Yoshizumi Miyoshi, Kazuo Shiokawa, Satoshi Kurita, Yoshiya Kasahara, Mitsunori Ozaki, Keisuke Hosokawa…

    Citation: Earth, Planets and Space 2019 71:9

    Content type: Express Letter

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  36. Solar wind particles and ionospheric O+ ions influence the near-Earth plasma sheet and inner magnetospheric composition. We studied the behavior of H+, O+ and He+ ions (9–210 keV) for intense and moderate geomagn...

    Authors: Megha Pandya, Bhaskara Veenadhari, Masahito Nosé, Sandeep Kumar, Geoff D. Reeves and A. T. Y. Lui

    Citation: Earth, Planets and Space 2018 70:203

    Content type: Full paper

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  37. Solar flares cause a rapid increase in ionization in the ionosphere owing to significant enhancement of ionizing solar radiation in the X-ray and extreme ultraviolet (EUV) spectral ranges. The change of electr...

    Authors: Jaroslav Chum, Jaroslav Urbář, Jan Laštovička, Miguel Angel Cabrera, Jann-Yenq Liu, Fernando Alberto Miranda Bonomi, Mariano Fagre, Jiří Fišer and Zbyšek Mošna

    Citation: Earth, Planets and Space 2018 70:198

    Content type: Full paper

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  38. This work describes several important improvements made to the International Reference Ionosphere UPdate (IRI UP) method, and a careful validation of its performances under disturbed conditions. The IRI UP met...

    Authors: Alessio Pignalberi, Marco Pietrella, Michael Pezzopane and Rolando Rizzi

    Citation: Earth, Planets and Space 2018 70:180

    Content type: Full paper

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  39. It has been known that the Alfvén velocity plays a significant role in generation and propagation of magnetohydrodynamic (MHD) waves. Until now, however, the global distribution of the Alfvén velocity in the m...

    Authors: Khan-Hyuk Kim, Gi-Jeong Kim and Hyuck-Jin Kwon

    Citation: Earth, Planets and Space 2018 70:174

    Content type: Express Letter

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  40. High-latitude, small-scale plasma density irregularities are observed by the Advanced Land Observation Satellite 2, Phase Array type L-band Synthetic Aperture Radar-2 and the European Incoherent Scatter radar ...

    Authors: Hiroatsu Sato, Jun Su Kim, Norbert Jakowski and Ingemar Häggström

    Citation: Earth, Planets and Space 2018 70:163

    Content type: Frontier letter

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  41. The St. Patrick’s Day geomagnetic storm on March 17, 2015, has been chosen by the space community for synergetic analysis to build a more comprehensive picture of the storm’s origin and evolution. This storm h...

    Authors: Olga V. Kozyreva, Vyacheslav A. Pilipenko, Vladimir B. Belakhovsky and Yaroslav A. Sakharov

    Citation: Earth, Planets and Space 2018 70:157

    Content type: Full paper

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