J-GLOBAL ID:201801018223052899   Update date: Jun. 02, 2024

Sakai Shotaro

Sakai Shotaro
Affiliation and department:
Job title: Assistant Professor
Other affiliations (1):
  • Tohoku University  The International Joint Graduate Program in Earth and Environmental Sciences (GP-EES) 
Homepage URL  (1): https://sites.google.com/view/shotaro-sakai
Research field  (1): Space and planetary science
Research keywords  (6): Mars ,  Planetary Physics ,  Planetary Science ,  Space Physics ,  Planetary Aeronomy ,  Exoplanets
Research theme for competitive and other funds  (4):
  • 2022 - 2027 New isotope observations of Mars atmospheric evolution: International collaboration of European and Japanese Mars exploration missions
  • 2022 - 2025 Influence of stellar spectra on the evolution of planetary atmospheres
  • 2018 - The distribution of electron temperature in the dayside ionosphere of Mars observed by MAVEN
  • 2012 - 2014 Dust-plasma interaction in the Saturn's inner magnetosphere
Papers (34):
  • Yo Kawamura, Tatsuya Yoshida, Naoki Terada, Yuki Nakamura, Shungo Koyama, Hiroki Karyu, Kaori Terada, Shotaro Sakai. Reduced Water Loss due to Photochemistry on Terrestrial Planets in the Runaway Greenhouse Phase around Pre-main-sequence M Dwarfs. The Astrophysical Journal. 2024. 967. 2. 95-95
  • R. Sakata, K. Seki, N. Terada, S. Sakai, H. Shinagawa. Effects of an Intrinsic Magnetic Field on Ion Escape From Ancient Mars Based on MAESTRO Multifluid MHD Simulations. Journal of Geophysical Research: Space Physics. 2024. 129. e2023JA032320
  • Takuya Hara, Kei Masunaga, Naoki Terada, Shotaro Sakai, Taiga Osanai, Kanako Seki, Christopher M. Fowler, Kathleen Gwen Hanley, James P. McFadden, Shannon M. Curry. On the Periodic Variation of the Ion Density in the Martian Dayside Ionosphere During the Regional Dust Storm in September 2016. Journal of Geophysical Research: Space Physics. 2024. 129. 4. e2023JA031848
  • Yuki Nakamura, François Leblanc, Naoki Terada, Sayano Hiruba, Isao Murata, Hiromu Nakagawa, Shotaro Sakai, Shohei Aoki, Arianna Piccialli, Yannick Willame, et al. Numerical Prediction of Changes in Atmospheric Chemical Compositions During a Solar Energetic Particle Event on Mars. Journal of Geophysical Research: Space Physics. 2023. 128. e2022JA031250
  • Yuki Nakamura, Naoki Terada, Shungo Koyama, Tatsuya Yoshida, Hiroki Karyu, Kaori Terada, Takeshi Kuroda, Arihiro Kamada, Isao Murata, Shotaro Sakai, et al. Photochemical and radiation transport model for extensive use (PROTEUS). Earth, Planets and Space. 2023. 75. 1. 140
MISC (2):
  • Rikuto Yasuda, Tomoki Kimura, Baptiste Cecconi, Hiroaki Misawa, Fuminori Tsuchiya, Yasumasa Kasaba, Shinnosuke Satoh, Shotaro Sakai, Corentin Louis. Ray tracing for Jupiter’s icy moon ionospheric occultation of Jovian auroral radio sources. Abstract EGU 2024. 2024
  • Fuminori Tsuchiya, Yasumasa Kasaba, Ichiro Yoshikawa, Go Murakami, Atsushi Yamazaki, Kazuo Yoshioka, Tomoki Kimura, Chihiro Tao, Ryoichi Koga, Hajime Kita, et al. Major results from the Hisaki mission and future perspectives. Abstract EGU 2023. 2023
Lectures and oral presentations  (303):
  • C II emission processes on Mars revealed by the MAVEN IUVS observations and feasibility study of C II observations by LAPYUTA
    (Japan Geoscience Union Meeting 2024 2024)
  • Non-thermal escape of expanded hydrogen atmosphere on ancient Earth modeled by 3D multi-ion component magnetohydrodynamic simulation
    (Japan Geoscience Union Meeting 2024 2024)
  • Comparison of Titan's atmospheric escape processes by Saturn and Solar winds using 3D magnetohydrodynamic simulations
    (Japan Geoscience Union Meeting 2024 2024)
  • Comparative study of two global multispecies MHD models of Mars
    (Japan Geoscience Union Meeting 2024 2024)
  • Scientific objectives of the LAPYUTA and current status of feasibility study
    (Japan Geoscience Union Meeting 2024 2024)
Education (3):
  • 2011 - 2014 Hokkaido University, Ph.D course Graduate School of Science Department of Cosmosciences
  • 2009 - 2011 Hokkaido University, Master course Graduate School of Science Department of Cosmosciences
  • 2005 - 2009 Hokkaido University School of Science Department of Earth Sciences
Professional career (1):
  • Ph.D (Hokkaido University)
Work history (8):
  • 2020/04 - 現在 Tohoku University Graduate School of Science Assistant Professor
  • 2016/10 - 2020/03 University of Tokyo Graduate School of Sciecne Project Researcher
  • 2018/09 - 2020/01 Taisho University
  • 2017/06 - 2019/08 Musashino University Faculty of Engineering, Department of Environmental Systems Sciences
  • 2014/06 - 2016/09 University of Kansas Department of Physics and Astronomy Postdoctoral Researcher
Show all
Committee career (1):
  • 2021/04 - 2023/03 SGEPSS Young Outreach Activity STEPLE Representative
Awards (5):
  • 2023/09 - Society of Geomagnetism and Earth, Planetary and Space Sciences Obayashi Early Career Scientist Award Studies on the roles of planetary intrinsic magnetic fields and solar wind magnetic fields in atmospheric escape from planets
  • 2018/08 - NASA NASA Group Achievement Award
  • 2016/06 - NASA NASA Group Achievement Award
  • 2016/03 - NASA NASA RHG Exceptional Achievement for Science
  • 2010/11 - SGEPSS Student Presentation Award (Aurora Medal) A dust-plasma interaction in Saturn's E ring
Association Membership(s) (4):
Society of Geomagnetism and Earth, Planetary and Space Science ,  Japan Geoscience Union ,  American Geophysical Union ,  The Japanese Society for Planetary Sciences
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