Last Updated : January 14, 2021

Space Geodesy Research

Topics

  • American Geophysical Union fall meeting 2020 (AGU 2020) (Dec. 2020)
    • The Global Geodetic Observing System (GGOS) – its Role and Activities [Abstract (PDF)]
    • Development of a Routine Analysis System of GEONET by PPP-AR [Abstract (PDF)]
    • Evaluation of a crustal deformation model in terms of maintaining the Japanese geodetic datum [Abstract (PDF)]
    • Nationwide urban ground deformation monitoring in Japan using Sentinel-1 LiCSAR products and LiCSBAS [Abstract (PDF)]
    • Geoid determination using airborne gravity data in the Kanto area of Japan [Abstract (PDF)]
  • First Asia Pacific geoid workshop for IAG-SC2.4e (Oct. 2020)
    • Current status of Japan geoid model and ongoing project of airborne gravity surveys for geoid improvement [Abstract (PDF)]
  • JpGU - AGU Joint Meeting 2020: Virtual (Jul. 2020)
    • The Global Geodetic Observing System [Abstract (PDF)]
    • Research on the development of rapid and accurate GNSS routine analysis system (3) [Abstract (PDF)]
    • Performance Evaluation of Low-cost GNSS Antenna and Receivers for Geodetic Applications [Abstract (PDF)]
    • An Open-Source InSAR Time Series Analysis Package LiCSBAS and Its Application [Abstract (PDF)]
    • Determination of geopotential value over Japan for contribution to the International Height Reference Frame [Abstract (PDF)]
    • Preliminary result of gravimetric geoid computation using airborne gravity data over the Boso peninsula [Abstract (PDF)]
  • European Geophysical General Assembly 2020 (EGU 2020) (May 2020)


Researchers (FY2020)

  • MIYAHARA, Basara : Director of Division
  • NAKAGAWA, Hiroyuki : Chief Researcher
  • KOKADO, Kensuke : Chief Researcher
  • MORISHITA, Yu : Chief Researcher
  • MATSUO, Koji : Chief Researcher

Research Projects

  • Research on development of advanced space geodetic techniques for realizing the disaster resilient National Geodetic Reference Frame (2020-2024)


Recent Papers

  • Morishita, Y. (2021): Nationwide urban ground deformation monitoring in Japan using Sentinel-1 LiCSAR products and LiCSBAS, Prog. Earth Planet. Sci., 8, 6. https://doi.org/10.1186/s40645-020-00402-7
  • Takamoto, M., Ushijima, I., Ohmae, N., Yahagi, T., Kokado, K., Shinkai, H., Katori, H. (2020): Test of general relativity by a pair of transportable optical lattice clocks, Nat. Photonics, 14, 411–415. https://doi.org/10.1038/s41566-020-0619-8
  • Matsuo, K., Kuroishi, Y. (2020): Refinement of a gravimetric geoid model for Japan using GOCE and an updated regional gravity field model, Earth, Planets and Space, 72, 33. https://doi.org/10.1186/s40623-020-01158-6
  • Morishita, Y., Lazecky, M., Wright, T.J., Weiss, J.R., Elliott, J.R., Hooper, A. (2020): LiCSBAS: An Open-Source InSAR Time Series Analysis Package Integrated with the LiCSAR Automated Sentinel-1 InSAR Processor, Remote Sens., 12, 424. https://doi.org/10.3390/rs12030424
  • Morishita, Y. (2019): A Systematic Study of Synthetic Aperture Radar Interferograms Produced From ALOS-2 Data for Large Global Earthquakes From 2014 to 2016, IEEE J. Sel. Top. Appl. Earth Obs. Remote Sens., vol. 12, no. 7, pp. 2397-2408. https://doi.org/10.1109/JSTARS.2019.2921664
  • Munekane, H. (2018): A GNSS Kinematic Analysis System for Japanese GEONET, J. Disaster Res. https://doi.org/10.20965/jdr.2018.p0433
  • Kawamoto, S., Y. Ohta, Y. Hiyama, M. Todoriki, T. Nishimura, T. Furuya, Y. Sato, T. Yahagi, K. Miyagawa (2017): REGARD: A new GNSS-based real-time finite fault modeling system for GEONET, J. Geophys. Res., DOI:10.1002/2016JB013485. [→LINK]
  • Kawamoto, S., Y. Hiyama, Y. Ohta, and T. Nishimura (2016): First result from the GEONET real-time analysis system (REGARD): the case of the 2016 Kumamoto earthquakes, Earth, Planets and Space, 68:190, DOI 10.1186/s40623-016-0564-4. [→LINK]
  • Takano, T., M. Takamoto, I. Ushijima, N. Ohmae, T. Akatsuka, A. Yamaguchi, Y. Kuroishi, H. Munekane, B. Miyahara, and H. Katori (2016): Geopotential measurements with synchronously linked optical lattice clocks, Nature Photonics, 662-666, doi:10.1038/nphoton.2016.159. [→LINK]
  • Kawamoto, S., B. Miyahara, Y. Ohta, T. Nishimura, M. Todoriki (2016): Real-Time GNSS Positioning System REGARD for Rapid Earthquake Moment Estimates, proceedings of FIG Working Week 2016. [→Full text (pdf 1.73MB)]
  • Matsuo, K., T. Miyazaki, B. Miyahara, Y. Kuroishi (2016): Development of a New Gravitational Geoid Model for Japan, proceedings of FIG Working Week 2016. [→Full text (pdf 1.10MB)]
  • Munekane, H., J. Oikawa, and T. Kobayashi (2016): Mechanisms of step-like tilt changes and very long period seismic signals during the 2000 Miyakejima eruption: Insights from Kinematic GPS, J. Geophys. Res., doi:10.1002/2016JB012795. [→LINK]
  • Tobita, M. (2016): Combined logarithmic and exponential function model for fitting postseismic GNSS time series after 2011 Tohoku-Oki earthquake, Earth Planets and Space, 68:41, doi:10.1186/s40623-016-0422-4. [→LINK]
  • Kawamoto, S., Miyagawa, K., Yahagi, T., Todoriki, M., Nishimura, T., Ohta, Y., Hino, R., Miura, S. (2015): Development and Assessment of Real-Time Fault Model Estimation Routines in the GEONET Real-Time Processing System, International Association of Geodesy Symposia 2015, Springer, doi:10.1007/1345_2015_49.



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