JAGUAR data assimilation system Whole neutral Atmosphere Reanalysis

Publications

  1. Okui, H., Wright, C. J., Berthelemy, P. G., Hindley, N. P., Hoffmann, L., & Barnes, A. P. (2025),
    A convolutional neural network for the detection of gravity waves in satellite observations and numerical simulations.
    Geophys. Res. Lett., 52, e2025GL115683. https://doi.org/10.1029/2025GL115683
  2. Okui, H., K. Sato, and S. Watanabe (2025),
    The mechanism of interhemispheric coupling revealed by a gravity wave-permitting general circulation model.
    J. Geophys. Res. Atmos., 130, e2025JD043763. https://doi.org/10.1029/2025JD043763
  3. Jadhav, A. P., Yamazaki, Y., Gurubaran, S., Sato, K., and Koshin, D. (2025),
    2-day ionospheric oscillations at low latitudes due to an ultra-fast Kelvin wave.
    Earth and Space Science, 12, e2025EA004322. https://doi.org/10.1029/2025EA004322
  4. Sato, K., D. Koshin, J. Suclupe, J. L. Chau, L. M. Lima, G. Li, S. V. B. Rao, M. V. Ratnam, R. Rodriguez, and D. Scipion (2025),
    Causes of the abnormally strong easterly phase of the mesopause semiannual oscillation during the March equinox of 2023 revealed by a new reanalysis data covering the entire middle atmosphere.
    Geophys. Res. Lett., 52, e2025GL114658. https://doi.org/10.1029/2025GL114658
  5. Yamazaki, Y., Sato, K., Koshin, D., & Yasui, R. (2025),
    Atmospheric semidiurnal solar tide response to sudden stratospheric warmings in the JAGUAR-DAS Whole neutral Atmosphere Reanalysis (JAWARA) during 2004-2023.
    J. Geophys. Res. Space Phys., 130, e2024JA033688. https://doi.org/10.1029/2024JA033688
  6. Koshin, D., K. Sato, S. Watanabe, and K. Miyazaki (2025),
    The JAGUAR-DAS whole neutral atmosphere reanalysis: JAWARA.
    Prog. Earth Planet Sci., 12, 1. https://doi.org/10.1186/s40645-024-00674-3
  7. Suclupe, J., J. L. Chau, J. F. Conte, N. M. Pedatella, R. Garcia, K. Sato, et al. (2024),
    On the abnormally strong westward phase of the mesospheric semiannual oscillation at low latitudes during March equinox 2023.
    Geophys. Res. Lett., 51, e2004GL110331. https://doi.org/10.1029/2024GL110331
  8. Sekido, Hiroto, Kaoru Sato, Haruka Okui, Dai Koshin, and Toshihiko Hirooka (2024),
    A Study of Zonal Wavenumber 1 Rossby-Gravity Wave Using Long-Term Reanalysis Data for the Whole Neutral Atmosphere.
    J. Meteorol. Soc. Japan, 102 539-553. https://doi.org/10.2151/jmsj.2024-029
  9. Okui, H., D. Koshin, S. Watanabe, and K. Sato (2024),
    Roles of gravity waves in preconditioning of a stratospheric sudden warming.
    J. Geophys. Res. Atmos., 129, e2023JD039881. https://doi.org/10.1029/2023JD039881.
  10. Kohma, M., K. Sato, D. C. Fritts, and T. S. Lund (2024),
    Numerical simulation of orographic gravity waves observed over Syowa Station. Part 1: Wave propagation and breaking in the troposphere and lower stratosphere.
    J. Geophys. Res. Atmos., 129, e2023JD039425. https://doi.org/10.1029/2023JD039425
  11. Koshin, D., and K. Sato (2024),
    Characteristics and mechanism of interhemispheric coupling in austral winter revealed by long-term reanalysis data for the whole middle atmosphere.
    J. Geophys. Res. Atmos., 129, e2023JD039687. https://doi.org/10.1029/2023JD039687
  12. Okui, H., C. J. Wright, N. P. Hindley, E. J. Lear, and K. Sato (2023),
    A comparison of stratospheric gravity waves in a high-resolution general circulation model with 3-D satellite observations.
    J. Geophys. Res. Atmos., 128, e2023JD038795. https://doi.org/10.1029/2023JD038795
  13. Sato, K., Y. Tomikawa, M. Kohma, R. Yasui, D. Koshin, H. Okui, et al. (2023),
    Interhemispheric Coupling Study by Observations and Modelling (ICSOM): Concept, Campaigns, and Initial Results.
    J. Geophys. Res. Atmos., 128, e2022JD038249. https://doi.org/10.1029/2022JD038249
  14. Watanabe, S., D. Koshin, S. Noguchi, and K. Sato (2022),
    Gravity wave morphology during the 2018 sudden stratospheric warming simulated by a whole neutral atmosphere general circulation model.
    J. Geophys. Res. Atmos. 127, e2022JD036718. https://doi.org/10.1029/2022JD036718
  15. Koshin, D., M. Kohma, and K. Sato (2022),
    Characteristics of the intraseasonal oscillation in the equatorial mesosphere and lower thermosphere region revealed by satellite observation and global analysis by the JAGUAR data assimilation system.
    J. Geophys. Res. Atmos. 127, e2022JD036816. https://doi.org/10.1029/2022JD036816
  16. Okui, H., K. Sato, and S. Watanabe (2022),
    Contribution of gravity waves to universal vertical wavenumber (~m^(-3)) spectra revealed by a gravity-wave-permitting general circulation model,
    J. Geophys. Res. Atmos., 127, e2021JD036222. https://doi.org/10.1029/2021JD036222
  17. Koshin, D., K. Sato, M. Kohma, and S. Watanabe (2022),
    An update on the 4D-LETKF data assimilation system for the whole neutral atmosphere,
    Geosci. Model Dev.,, 15, 2293-2022. https://doi.org/10.5194/gmd-15-2293-2022
  18. Okui, H., K. Sato, D. Koshin, and S. Watanabe (2021),
    Formation of a mesospheric inversion layer and the subsequent elevated stratopause associated with the major stratospheric sudden warming in 2018/19,
    J. Geophys. Res. Atmos., 126, e2021JD034681. https://doi.org/10.1029/2021JD034681
  19. Koshin, D., K. Sato, K. Miyazaki, and S. Watanabe (2020),
    An ensemble Kalman filter data assimilation system for the whole neutral atmosphere.
    Geoscientific Model Development, 13, 3145-3177. https://doi.org/10.5194/gmd-13-3145-2020
banner 1
banner 2
banner 3
banner 4