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3. Space science

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  1. The Cluster mission will always be the first ever multi-spacecraft mission mapping the Earth magnetosphere in three dimensions. Launched in 2000 and originally planned to operate for two years, it has been orb...

    Authors: Arnaud Masson, C. Philippe Escoubet, Matthew G. G. T. Taylor, Detlef Sieg, Silvia Sanvido, Beatriz Abascal Palacios, Stijn Lemmens and Bruno Sousa
    Citation: Earth, Planets and Space 2024 76:114
  2. We analyzed electrostatic electron cyclotron harmonic waves observed by the interferometry observation mode of the Arase satellite. It is found that the magnitude of the phase difference varies with the satell...

    Authors: Tomoe Taki, Satoshi Kurita, Airi Shinjo, Ibuki Fukasawa, Satoko Nakamura, Hirotsugu Kojima, Yoshiya Kasahara, Shoya Matsuda, Ayako Matsuoka, Yoshizumi Miyoshi and Iku Shinohara
    Citation: Earth, Planets and Space 2024 76:106
  3. The hyperspectral camera for auroral imaging (HySCAI), which can provide a two-dimensional (2D) aurora image with full spectrum, was developed to study auroral physics. HySCAI consists of an all-sky lens, moni...

    Authors: M. Yoshinuma, K. Ida and Y. Ebihara
    Citation: Earth, Planets and Space 2024 76:96
  4. To investigate solar activity dependence of the coupling between medium-scale traveling ionosphere disturbance (MSTID) and sporadic E (Es) layer, we analyzed the total electron content (TEC) obtained from a Japan...

    Authors: Veera Kumar Maheswaran, Yuichi Otsuka, James A. Baskaradas, Venkata Ratnam Devanaboyina, Sriram Subramanian, Atsuki Shinbori, Takuya Sori, Michi Nishioka and Septi Perwitasari
    Citation: Earth, Planets and Space 2024 76:88
  5. We report observations of co-existing rising and falling tone emissions of electromagnetic ion cyclotron (EMIC) waves by THEMIS E spacecraft. The investigation of these fine structures of the EMIC waves is ess...

    Authors: Biswajit Ojha, Yoshiharu Omura, Satyavir Singh and Gurbax S. Lakhina
    Citation: Earth, Planets and Space 2024 76:81
  6. An ionogram image serves as a valuable data for examining the ionospheric bottom side characteristics and variabilities. Spread-F is indicated or identified by plasma irregularity in the ionospheric region. Di...

    Authors: Phongsachot Benchawattananon, Apirat Siritaratiwat, Pornchai Supnithi, Michi Nishioka, Septi Perwitasari, Puripong Suthisopapan and Anan Kruesubthaworn
    Citation: Earth, Planets and Space 2024 76:56
  7. We have developed a low-energy particle experiment that alternately measures ions and electrons in space. The ability to switch between ion and electron measurements is achieved by simply adding ultra-thin car...

    Authors: Shoichiro Yokota, Yoshifumi Saito and Kazushi Asamura
    Citation: Earth, Planets and Space 2024 76:50
  8. The Korean space weather monitor (KSEM) aboard the GEO-KOMPSAT-2A (GK2A) has been continuously measuring energetic particle flux in geostationary orbit at 128.2°E longitude since July 2019. The particle detect...

    Authors: Daehyeon Oh, Jiyoung Kim, Paul T. M. Loto’aniu, Han-Cheol Lim, Dae-Young Lee and Dohyeong Kim
    Citation: Earth, Planets and Space 2024 76:46
  9. This paper describes the instrumentation and the first results of an upper atmospheric observing project conducted in New Zealand. We operate an all-sky aurora camera and a 64-Hz sampling induction magnetomete...

    Authors: Yuki Obana, Kaori Sakaguchi, Masahito Nosé, Keisuke Hosokawa, Peter Jaquiery, Satoko Saita, Kazuo Shiokawa, Martin Connors, Akira Kadokura, Tsutomu Nagatsuma and Tanja Petersen
    Citation: Earth, Planets and Space 2024 76:42
  10. To obtain both the intensities and phases of electric fields, it is necessary to calibrate the data observed by the sensor by consulting the sensor characteristics. The frequency profile of the sensor impedanc...

    Authors: Ibuki Fukasawa, Yohei Miyake, Hideyuki Usui, Koshiro Kusachi, Satoshi Kurita and Hirotsugu Kojima
    Citation: Earth, Planets and Space 2024 76:38
  11. The magnetic reconnection environment around the dayside geomagnetopause under long-lasting southward interplanetary magnetic field (IMF) conditions is investigated using the in-situ observation by GEOTAIL sat...

    Authors: Koji Kondoh and Shin-ya Nitta
    Citation: Earth, Planets and Space 2024 76:33
  12. The finite-difference time-domain (FDTD) method is widely used for numerical simulations of electromagnetic waves and acoustic waves. It is known, however, that the Courant condition is restricted in higher di...

    Authors: Harune Sekido and Takayuki Umeda
    Citation: Earth, Planets and Space 2024 76:5
  13. Variations of relativistic electron fluxes (E ≥ 1 MeV) and wave activity in the Earth magnetosphere are studied to determine the contribution of different acceleration mechanisms of the outer radiation belt elect...

    Authors: Vladimir Borisovich Belakhovsky, Vyacheslav A. Pilipenko, Elizaveta E. Antonova, Yoshizumi Miyoshi, Yoshiya Kasahara, Satoshi Kasahara, Nana Higashio, Iku Shinohara, Tomoaki Hori, Shoya Matsuda, Shoichiro Yokota, Takeshi Takashima, Mitani Takefumi, Kunihiro Keika and Satoko Nakamura
    Citation: Earth, Planets and Space 2023 75:189
  14. Equatorial plasma bubble (EPB) is a phenomenon characterized by depletions in ionospheric plasma density being formed during post-sunset hours. The ionospheric irregularities can lead to disruptions in trans-i...

    Authors: Thananphat Thanakulketsarat, Pornchai Supnithi, Lin Min Min Myint, Kornyanat Hozumi and Michi Nishioka
    Citation: Earth, Planets and Space 2023 75:161
  15. Quasi-periodic (QP) emissions are a type of magnetospheric ELF/VLF waves characterized by a periodic intensity modulation ranging from tens of seconds to several minutes. Here, we present 63 QP events observed...

    Authors: Claudia Martinez-Calderon, Tomoka Oonishi, Kazuo Shiokawa, Jyrki K. Manninen, Alexey Oinats and Mitsunori Ozaki
    Citation: Earth, Planets and Space 2023 75:148
  16. The ionosphere suffers major perturbations during severe space weather events such as Coronal Mass Ejections (CMEs), solar flares, high-speed streams, and Corotating Interaction Regions (CIRs). The ionosphere ...

    Authors: Tshimangadzo Merline Matamba, Donald W. Danskin, Rendani R. Nndanganeni and Mpho Tshisaphungo
    Citation: Earth, Planets and Space 2023 75:142
  17. This study estimates the scale sizes of the plasma density irregularities and the longitudinal width associated with equatorial plasma bubbles (EPBs) in equatorial and low-latitude regions. By analyzing amplit...

    Authors: Khanitin Seechai, Lin Min Min Myint, Kornyanat Hozumi, Michi Nishioka, Susumu Saito, Mamoru Yamamoto and Pornchai Supnithi
    Citation: Earth, Planets and Space 2023 75:127
  18. The predictability of the nighttime equatorial spread-F (ESF) occurrences is essential to the ionospheric disturbance warning system. In this work, we propose ESF forecasting models using two deep learning tec...

    Authors: Phimmasone Thammavongsy, Pornchai Supnithi, Lin Min Min Myint, Kornyanat Hozumi and Donekeo Lakanchanh
    Citation: Earth, Planets and Space 2023 75:118
  19. The in situ measurement of charged particles plays a key role in understanding space plasma physics. Velocity distribution functions of ions and electrons have been acquired with electrostatic analyzers onboar...

    Authors: Satoshi Kasahara, Ryo Tao, Emiko Yoshida and Shoichiro Yokota
    Citation: Earth, Planets and Space 2023 75:91
  20. Space-based search coil (SC) magnetometers connected to preamplifiers have been used to investigate magnetic field vectors of plasma waves from 100 mHz to 10 kHz for understanding magnetospheric dynamics. Howe...

    Authors: Mitsunori Ozaki, Yuya Tokunaga, Hiroki Koji and Satoshi Yagitani
    Citation: Earth, Planets and Space 2023 75:84
  21. Short-period magnetic enhancements were detected by the MAP-LMAG magnetometer onboard Kaguya orbiting the moon in the solar wind at an altitude of 100 km. The duration was typically 10 s, which corresponds to ...

    Authors: Tomoko Nakagawa, Futoshi Takahashi, Yoshifumi Saito and Hisayoshi Shimizu
    Citation: Earth, Planets and Space 2023 75:60
  22. The X-rays and extreme ultraviolet (EUV) emitted during solar flares can rapidly change the physical composition of Earth’s ionosphere, causing space weather phenomena. It is important to develop an accurate u...

    Authors: Shohei Nishimoto, Kyoko Watanabe, Hidekatsu Jin, Toshiki Kawai, Shinsuke Imada, Tomoko Kawate, Yuichi Otsuka, Atsuki Shinbori, Takuya Tsugawa and Michi Nishioka
    Citation: Earth, Planets and Space 2023 75:30
  23. Sample-return missions allow the study of materials collected directly from celestial bodies, unbiased by atmospheric entry effects and/or terrestrial alteration and contamination phenomena, using state-of-the...

    Authors: Stefano Rubino, Zélia Dionnet, Alice Aléon-Toppani, Rosario Brunetto, Tomoki Nakamura, Donia Baklouti, Zahia Djouadi, Cateline Lantz, Obadias Mivumbi, Ferenc Borondics, Stephane Lefrançois, Christophe Sandt, Francesco Capitani, Eva Héripré, David Troadec, Megumi Matsumoto…
    Citation: Earth, Planets and Space 2023 75:4
  24. The most important aim in interpreting an oblique ionogram is to obtain the accurate Junction Frequencies (JFs) of the ordinary (O) and extraordinary (X) mode. This requires the correct identification of O- an...

    Authors: Sun FengJuan, Wan XianRong, Zhang HongBo, Zhou Bao, Ban PanPan and Cao Hongyan
    Citation: Earth, Planets and Space 2022 74:189
  25. Plasma particles and waves are important observation targets in space plasmas for understanding the mechanisms of energy and momentum transfer between waves and particles because space plasmas are essentially ...

    Authors: Motoyuki Kikukawa, Kazushi Asamura, Takahiro Zushi, Satoshi Kurita and Hirotsugu Kojima
    Citation: Earth, Planets and Space 2022 74:188
  26. We have devoted efforts to the development and performance evaluation of new low-cost ionospheric instruments for studies that require distributed observations and for educational and citizen science initiativ...

    Authors: Josemaria Gomez Socola and Fabiano S. Rodrigues
    Citation: Earth, Planets and Space 2022 74:185
  27. Neutral thermospheric density is an essential quantity required for precise orbit determination of satellites, collision avoidance of satellites, re-entry prediction of satellites or space debris, and satellit...

    Authors: Armin Corbin and Jürgen Kusche
    Citation: Earth, Planets and Space 2022 74:183
  28. The density of the solar wind plasma near the Earth’s magnetosphere sometimes decreases to only several per cent of the usual value, and such density extrema result in a significant reduction of the dynamic pr...

    Authors: Masaki N. Nishino, Hiroshi Hasegawa, Yoshifumi Saito, Benoit Lavraud, Yukinaga Miyashita, Motoharu Nowada, Satoshi Kasahara and Tsugunobu Nagai
    Citation: Earth, Planets and Space 2022 74:180
  29. In this study, we have investigated the ionospheric responses on the August 2017 solar eclipse event by using a three-dimensional tomography algorithm with the ground-based GNSS (Global Navigation Satellite Sy...

    Authors: C. H. Chen, Charles C. H. Lin, C. J. Lee, J. Y. Liu and A. Saito
    Citation: Earth, Planets and Space 2022 74:173
  30. Spectral Resonance Structures (SRS) of Ionospheric Alfven Resonator (IAR) are investigated by analysing the magnetic field data of a high sampling frequency induction coil magnetometer, installed at a low lati...

    Authors: P. Adhitya, Masahito Nosé, Jayashree Bulusu, Geeta Vichare and A. K. Sinha
    Citation: Earth, Planets and Space 2022 74:169
  31. Based on the high-precision vector magnetic field data of Swarm A and C satellites, we perform a statistical analysis of the diurnal and longitudinal variations of the ionospheric radial current (IRC) in the F...

    Authors: Hui Wang, Hao Xia, Kedeng Zhang, Yunfang Zhong and Chenyu Qian
    Citation: Earth, Planets and Space 2022 74:151
  32. Ionospheric irregularities have been studied since ~ 70 years ago. With the development of Global Navigation Satellite system (GNSS), networks of GNSS receivers have been used to obtain the characteristics of ...

    Authors: Jinghua Li, Guanyi Ma, Takashi Maruyama, Qingtao Wan, Jiangtao Fan, Jie Zhang and Xiaolang Wang
    Citation: Earth, Planets and Space 2022 74:149
  33. Predicting geomagnetic conditions based on in-situ solar wind observations allows us to evade disasters caused by large electromagnetic disturbances originating from the Sun to save lives and protect economic ...

    Authors: Ryozo Kitajima, Motoharu Nowada and Ryotaro Kamimura
    Citation: Earth, Planets and Space 2022 74:145
  34. This study, for the first time, reports the geomagnetically conjugate structure of a plasma bubble extending to the mid-latitudes and the asymmetrical structure of the decay of the plasma bubble during a geoma...

    Authors: Takuya Sori, Yuichi Otsuka, Atsuki Shinbori, Michi Nishioka and Septi Perwitasari
    Citation: Earth, Planets and Space 2022 74:120
  35.  The responses of two High-Intensity Long-Duration Continuous AE Activity (HILDCAA) events are investigated using solar wind observations at L1, magnetospheric measurements at geosynchronous orbit, and changes...

    Authors: Diptiranjan Rout, Ram Singh, K. Pandey, T. K. Pant, C. Stolle, D. Chakrabarty, S. Thampi and T. Bag
    Citation: Earth, Planets and Space 2022 74:91
  36. Observations and theoretical analysis on the night-time mid-latitude ionospheric irregularities support the postulation of frequently coupled E and F regions. In this paper, we attempt at asserting this notion...

    Authors: Weizheng Fu, Tatsuhiro Yokoyama, Nicholas Ssessanga, Mamoru Yamamoto and Peng Liu
    Citation: Earth, Planets and Space 2022 74:83
  37. In this paper, we present the D-region ionospheric response during the lifespan (10–19 December 2020) of a severe category 5 tropical cyclone (TC) Yasa in the South Pacific by using the very low frequency (VLF...

    Authors: Paolo A. A. L. Redoblado, Sarwan Kumar, Abhikesh Kumar and Sushil Kumar
    Citation: Earth, Planets and Space 2022 74:65
  38. Very low frequency (VLF) waves (about 3–30 kHz) in the Earth’s magnetosphere interact strongly with energetic electrons and are a key element in controlling dynamics of the Van Allen radiation belts. Bistatic ...

    Authors: James P. McCollough, Yoshizumi Miyoshi, Gregory P. Ginet, William R. Johnston, Yi-Jiun Su, Michael J. Starks, Yoshiya Kasahara, Hirotsugu Kojima, Shoya Matsuda, Iku Shinohara, Paul Song, Bodo W. Reinisch, Ivan A. Galkin, Umran S. Inan, David S. Lauben, Ivan Linscott…
    Citation: Earth, Planets and Space 2022 74:64

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  • Citation Impact 2023
    Journal Impact Factor: 3.0
    5-year Journal Impact Factor: 2.9
    Source Normalized Impact per Paper (SNIP): 1.452
    SCImago Journal Rank (SJR): 0.919

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    Submission to first editorial decision (median days): 14
    Submission to acceptance (median days): 162

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