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国際学会

  1. Sugiura, M., T. Imamura, H. Ando, H. Kashimura, B. Häusler, M. Pätzold, S. Tellmann: Waves driving the variation of tropopause and temperature in the Venusian polar cloud layer.
    EPSC-DPS Joint Meeting 2025 (POSTER), Helsinki, Finland, 7–12 September 2025 (presented in 8th September).

  2. Sugimoto, N., Y. Fujisawa, N. Komori, H. Ando, M. Takagi, S. Kuwayama, T. Matsushima, H. Kashimura, J. Liang, T. Miyoshi, AFES-Venus team, ALEDAS-V team: Recent improvements of general circulation model (AFES-Venus) and data assimilation system (ALEDAS-V) for the Venus Atmosphere.
    EPSC-DPS Joint Meeting 2025 (ORAL), Helsinki, Finland, 7–12 September 2025 (presented in 8th September).

  3. Kashimura, H.: Global non-hydrostatic simulation of the Venus atmosphere.
    Workshop on Venus and other related atmospheres (ORAL), Kobe, Japan, 25–29 March 2024 (presented in 29th March).

  4. Matsushima, T., H. Kashimura, Y. O. Takahashi, N. Sugimoto, M. Takagi, Y.-Y. Hayashi: Dynamical and thermodynamical structure in cloud layer simulated by a GCM with correlated-k distribution radiative transfer model toward data assimilation with observation.
    Workshop on Venus and other related atmospheres (ORAL), Kobe, Japan, 25–29 March 2024 (presented in 28th March).

  5. Kuwayama S., G. L. Hashimoto, H. Kashimura, T. Matsushima, N. Sugimoto, M. Takagi, Y.-Y. Hayashi: Chemical species in the Venus atmosphere calculated by a GCM with chemistry and cloud microphysics.
    Workshop on Venus and other related atmospheres (ORAL), Kobe, Japan, 25–29 March 2024 (presented in 28th March).

  6. Sugimoto, N., Y. Fujisawa, N. Komori, H. Ando, M. Takagi, H. Kashimura, Y. Matsuda, AFES-Venus & ALEDAS-V teams: Introduction of AFES-Venus (Venus GCM) and ALEDAS-V (AFES LETKF Data Assimilation System for Venus).
    Workshop on Venus and other related atmospheres (ORAL), Kobe, Japan, 25–29 March 2024 (presented in 25th March).

  7. Sugimoto, N., Y. Fujisawa, N. Komori, H. Ando, M. Takagi, H. Kashimura, Y. Matsuda: AFES-Venus team, and ALEDAS-V team: General circulation model (AFES-Venus) and data assimilation system (ALEDAS-V) for the Venus atmosphere.
    55th DPS Meeting Joint with EPSC (ORAL), 502.02, USA, 1–6 October 2023.

  8. Sugimoto, N., Y. Fujisawa, N. Komori, H. Kashimura, M. Takagi, Y. Matsuda: Super-rotation independent of horizontal diffusion reproduced in a Venus GCM (AFES-Venus).
    IUGG 2023 (ORAL), IUGG23-0182, Germany, 11–20 July 2023. (presented in 12th)

  9. N. Sugimoto, Y. Fujisawa, N. Komori, H. Ando, M. Takagi, H. Kashimura, Y. Matsuda, AFES-Venus team, and ALEDAS-V team: Introduction of AFES-Venus (Venus GCM) and ALEDAS-V (AFES LETKF Data Assimilation System for Venus).
    The 5th R-CCS International symposium (ORAL, INVITED), Kobe, Japan, 6–7 February 2023.

  10. Sugimoto, N., Y. Fujisawa, N. Komori, H. Ando, M. Takagi, H. Kashimura, Y. Matsuda: AFES-Venus team, and ALEDAS-V team: Introduction of AFES-Venus (Venus GCM) and ALEDAS-V (AFES LETKF Data Assimilation System for Venus).
    Venus Science Conference 2022 (ORAL, INVITED), online, 29–30 September 2022.

  11. Fujisawa, Y., S. Murakami, N. Sugimoto, M. Takagi, T. Imamura, T. Horinouchi, G. L. Hashimoto, M. Ishiwatari, T. Enomoto, T. Miyoshi, H. Kashimura, Y.-Y. Hayashi: Thermal tides reproduced in the assimilation results of horizontal winds obtained from Akatsuki UVI observations.
    Europlanet Science Congress 2022 (ORAL), EPSC2022-309, Spain, 18–23 September 2022 (presented in 20th).

  12. Fujisawa, Y., S. Murakami, N. Sugimoto, M. Takagi, T. Imamura, T. Horinouchi, G. L. Hashimoto, M. Ishiwatari, T. Enomoto, T. Miyoshi, H. Kashimura, Y.-Y. Hayashi: Venus’ Thermal Tides in Assimilation Experiments Using Horizontal Winds Derived From Akatsuki UVI Observations.
    Asia Oceania Geosciences Society 19th Annual Meeting, PS08-006, online,  1–5 August 2022.

  13. Fujisawa, Y., S. Murakami, N. Sugimoto, M. Takagi, T. Imamura, T. Horinouchi, G. L. Hashimoto, M. Ishiwatari, T. Enomoto, T. Miyoshi, H. Kashimura, Y.-Y. Hayashi: Thermal tides in assimilation experiments using horizontal winds obtained from Akatsuki UVI observations.
    44th COSPAR Scientific Assembly 2022, B4.1.38, Greece, 16–24 July 2022.

  14. Yamashiro, R., T. Imamura, M. Nakamura, T. Ikari, Y. Kawabata, T. Sato, T. Kouyama, M. Imai, H. Ando, H. Sagawa, Y. Harada, A. Yamazaki, T. Sato, S. Aoki, R. Funasa, G. L. Hashimoto, Y. Hirashima, H. Karyu, H. Kashimura, H. Nakagawa, T. Horinouchi, Y. Kasaba, L. Huixin, H. Maezawa, K. Masunaga, M. Sato, S. Murakami, S. Noguchi, N. Sugimoto, H. Ogawa, H. Saito, S. Sakai, N. Sato, K. Sugiyama, M. Taguchi, M. Takagi, N. Terada, M. Yamamoto, Y. Fujisawa, Y. Futaana, N. Ishii, C. Hirose, R. Nakamura, T. Matsumoto, Y. Akiyama, J. Nakatsuka, K. Goto, H. Toyota, T. Toda: Mission study status of Venus explorer succeeding Akatsuki.
    44th COSPAR Scientific Assembly 2022, B4.1.31, Greece, 16–24 July 2022.

  15. Nakamura, M. and Akatsuki Project Team : Venus Observation by Akatsuki: 2015–2019.
    EPSC-DPS Joint Meeting 2019 (INVITED, ORAL), EPSC-DPS2019-391, Centre International de Conférences de Genève (CICG), Geneva, Switzerland, 15–20 September 2019 (presented in 19th September).

  16. Takagi, M., N. Sugimoto, H. Kashimura, H. Ando, and Y. Matsuda: Mean meridional circulation in the Venus atmosphere.
    EPSC-DPS Joint Meeting 2019 (ORAL), EPSC-DPS2019-433, Centre International de Conférences de Genève (CICG), Geneva, Switzerland, 15–20 September 2019 (presented in 19th September).
  17. Kashimura, H., N. Sugimoto, M. Takagi, Y. Matsuda, W. Ohfuchi, T. Enomoto, K. Nakajima, M. Ishiwatari, T. M. Sato, G. L. Hashimoto, T. Satoh, Y. O. Takahashi, and Y.-Y. Hayashi: Planetary-scale streak structure reproduced in high-resolution simulations of the Venus atmosphere with a low-stability layer.
    International Venus Conference 2019/The 74th Fujihara Seminar: "Akatsuki" Novel Development of Venus Science (ORAL), 04-5, Niseko, Japan, 31 May–3 June 2019 (presented in 1st June). video
  18. Sugimoto, N., A. Yamazaki, T. Kouyama, H. Kashimura, T. Enomoto, and M. Takagi: The Venus AFES LETKF Data Assimilation System (VALEDAS).
    International Venus Conference 2019/The 74th Fujihara Seminar: "Akatsuki" Novel Development of Venus Science (POSTER), P28, Niseko, Japan, 31 May–3 June 2019 (presented in 2nd June).
  19. Kouyama, T., T. Horinouchi, T. Imamura, Y. J. Lee, M. Takagi, K. Ogohara, H. Kashimura, S. Murakami, N. Satoh, and M. Imai: Venusian yearly-scale variation of super rotation seen in Akatsuki observations.
    International Venus Conference 2019/The 74th Fujihara Seminar: "Akatsuki" Novel Development of Venus Science (POSTER), P38, Niseko, Japan, 31 May–3 June 2019 (presented in 2nd June).
  20. Takahashi, Y. O., C. Shiojiri, H. Kashimura, and Y.-Y. Hayashi : Zonal mean structure of Venus atmosphere observed in a Venus general circulation model, DCPAM, with explicit radiative transfer calculation.
    International Venus Conference 2019/The 74th Fujihara Seminar: "Akatsuki" Novel Development of Venus Science (POSTER), P54 Niseko, Japan, 31 May–3 June 2019 (presented in 2nd June).
  21. Takagi, M., N. Sugimoto, H. Ando, H. Kashimura, Y. Matsuda, and AFES-project team: Numerical modeling of the Venus atmosphere.
    International Venus Conference 2019/The 74th Fujihara Seminar: "Akatsuki" Novel Development of Venus Science (ORAL, INVITED), 10-4, Niseko, Japan, 31 May–3 June 2019 (presented in 3rd June).
  22. Kashimura, H.: Simulations of the Venus atmospheric circulation by Venus-AFES.
    RIMS Gasshuku-style Seminar: Mathematical science in numerical modeling and data assimilation of planetary atmospheres from Earth and Mars to Venus (LECTURE), Kyoto, Japan, 18–22 March 2019 (presented in 21st).
  23. Kashimura, H.: An Idealized Study on Planetary-Parameter Dependence of Atmospheric General Circulation.
    Symposium on Planetary Sciences 2019 (ORAL, INVITED), Sendai, Japan, 18–21 February 2019 (presented in 20th).
  24. Takagi, M., N. Sugimoto, H. Kashimura, H. Ando, and Y. Matsuda: Mean meridional circulation in the Venus upper atmosphere.
    Symposium on Planetary Sciences 2019 (POSTER), Sendai, Japan, 18–21 February 2019 (presented in 18th).
  25. Sugimoto, N., A. Yamazaki, T. Kouyama, H. Kashimura, T. Enomoto, and M. Takagi: Venusian atmospheric general circulation model for the Earth Simulator (AFES-Venus) local ensemble transform Kalman filter (LETKF) data assimilation system (VALEDAS).
    Symposium on Planetary Sciences 2019 (POSTER), Sendai, Japan, 18–21 February 2019 (presented in 20th).
  26. Horinouchi, T., T. Kouyama, M. Taguchi, T. Fukuhara, Y. J. Lee, Y.-Y. Hayashi, T. Imamura, H. Kashimura, S. S. Limaye, K. McGouldrick, S. Murakami, K. Nakajima, M. Nakamura, K. Ogohara, J. Peralta, T. M. Sato, T. Satoh, M. Takagi, S. Watanabe, M. Yamada, A. Yamazaki, and E. F. Young: Akatsuki reveals Venus atmosphere dynamics.
    42nd COSPAR Scientific Assembly 2018, Pasadena, California, USA, 14–22 July, 2018 (presented in 16th).
  27. Kashimura, H.: Modeling of streak structure observed by Akatsuki.
    CPS/WTK Mini-Workshop on Planetary Atmospheres II, Kobe, Japan, 28–30, March, 2018 (presented in 29th) video
  28. Kashimura, H., H. Yashiro, S. Nishizawa, H. Tomita, K. Nakajima, M. Ishiwatari, Y. O. Takahashi, and Y.-Y. Hayashi: Model dependence of a QBO-like oscillation in a dry dynamical core experiment.
    Joint SPARC Dynamics & Observations Workshop—QBOi, FISAPS & SATIO-TCS (ORAL), Kyoto, Japan, 9–14 October 2017 (presented in 13th).
  29. Kashimura, H., N. Sugimoto, M. Takagi, Y. Matsuda, W. Ohfuchi, T. Enomoto, K. Nakajima, M. Ishiwatari, T. M. Sato, G. L. Hashimoto, T. Satoh, Y. O. Takahashi, and Y.-Y. Hayashi: Planetary-scale streak structures produced in a high-resolution simulation of Venus atmosphere.
    European Planetary Science Congress 2017 (ORAL), EPSC2017-886, Riga, Latvia, 17–22 September 2017 (presented in 19th).
  30. Horinouchi, T., S. Murakami, T. Satoh, S. Watanabe, T. Kouyama, K. Ogohara, T Imamura, M. Takagi, H. Kashimura, J. Peralta, S. S. Limaye, T. M. Sato, M. Nakamura, M. Yamada, A. Yamazaki, and E.F. Young: Cloud tracking of the Venus atmosphere with Akatsuki: High-quality wind snapshots, jets, and instabilities.
    European Planetary Science Congress 2017 (ORAL), EPSC2017-409, Riga, Latvia, 17–22 September 2017 (presented in 19th).
  31. Sugimoto, N., A. Yamazaki, T. Kouyama, H. Kashimura, T. Enomoto, and M. Takagi: Data assimilation system for the Venusian atmosphere.
    European Planetary Science Congress 2017 (POSTER), EPSC2017-121, Riga, Latvia, 17–22 September 2017 (presented in 19th).
  32. Kashimura, H., N. Sugimoto, M. Takagi, Y. Matsuda, W. Ohfuchi, T. Enomoto, K. Nakajima, M. Ishiwatari, T. M. Sato, G. L. Hashimoto, T. Satoh, Y. O. Takahashi, and Y.-Y. Hayashi: Planetary-scale streak structures produced in a high-resolution simulation of Venus atmosphere.
    JpGU-AGU joint meeting 2017 (ORAL, INVITED), PPS06-11, Chiba, Japan, 20–25 May 2017 (presented in 20th).
  33. Horinouchi, T., S. Murakami, T. Satoh, S. Watanabe, T. Kouyama, K. Ogohara, T. Imamura, M. Takagi, H. Kashimura, J. Peralta, S. Limaye, T. M. Sato, M. Nakamura, M. Yamada, A. Yamazaki, E. Young: Mesoscale to planetary-scale motions in the Venus atmosphere revealed by cloud tracking with Akatsuki IR and UV images.
    JpGU-AGU joint meeting 2017 (ORAL), PPS06-2, Chiba, Japan, 20–25 May 2017.
  34. Ando, H., N. Sugimoto, M. Takagi, H. Kashimura, Y. Matsuda, S. Tellmann, M, Pätzold, and B. Häusler: On the Venusian Polar Vortex: Numerical Experiments and Radio Occultation Measurements.
    AOGS 13th Annual Meeting (ORAL, INVITED), PS02-A003, Beijing, China, 31 July–5 August 2016 (1st Aug.).
  35. Sugimoto, N, H. Kashimura, M. Takagi, Y. Matsuda, H. Ando, T. Imamura, W. Ohfuchi, T. Enomoto, Y. O. Takahashi, and Y.-Y. Hayashi: Simulation of Venusian atmosphere by AFES (Atmospheric general circulation model For the Earth Simulator).
    European Planetary Science Congress 2015 (ORAL), EPSC2015-197, Nantes, France, 27 September–2 October 2015.
  36. Kashimura, H., M. Abe, and S. Watanabe: Analysis of G4.
    Fifth GeoMIP Meeting (ORAL), Boulder, USA, 22–23 July 2015.
  37. Ando, H., N. Sugimoto, M. Takagi, H. Kashimura, T. Imamura, and Y. Matsuda: Atmospheric structrue of the Venusian upper polar region reproduction by a general circulation model.
    Japanese-French model studies of planetary atmospheres (ORAL), Kobe, Japan, 11–15 May 2015.
  38. Ando, H., N. Sugimoto, M. Takagi, H. Kashimura, T. Imamura, and Y. Matsuda: Atmospheric structrue in the Venusian polar region; first report on reproduction by general circulation model.
    Symposium on Planetary Science 2015 (ORAL), Miyagi, Japan, 16–18 February 2015.
  39. Ando, H., H. Kashimura, N. Sugimoto, T. Imamura, and M. Takagi: Venusian Polar Vortex reproduced in an Atmospheric General Circulation Model.
    40th COSPAR Scientific Assembly (ORAL), C3.1-0008-14, Moscow, Russia, 2–10 August 2014.
  40. Sugimoto, N., H. Kashimura, M. Takagi, Y. Matsuda, H. Ando, W. Ohfuchi, T. Enomoto, Y. O. Takahashi, and Y.-Y. Hayashi: AFES (Atmospheric general circulation model For the Earth Simulator) simulation for Venus.
    40th COSPAR Scientific Assembly (ORAL), C3.3-0007-14, Moscow, Russia, 2–10 August 2014.
  41. Kashimura, H., N. Sugimoto, M. Takagi, W. Ohfuchi, T. Enomoto, Y. O. Takahashi, and Y.-Y. Hayashi: Energy Spectra of Atmospheric Motions Simulated by a High-Resolution General Circulation Model of Venus.
    AOGS 11th Annual Meeting (ORAL), PS07-A004, Sapporo, JAPAN, 28 July–1 August 2014.
  42. Kashimura, H. and S. Yoden: Theoretical Estimation of the Superrotation Strength in an Idealized Quasi-Axisymmetric Model of Planetary Atmospheres.
    AOGS 11th Annual Meeting (ORAL, INVITED), AS51-A001, Sapporo, JAPAN, 28 July–1 August 2014.
  43. Kashimura, H. and S. Yoden: Theoretical Estimation of the Superrotation Strength in an Idealized Quasi-Axisymmetric Model of Planetary Atmospheres.
    GCOE-ARS Final Symposium (POSTER, INVITED), P-11, Uji, JAPAN, 1–3 December 2013.
  44. Kashimura, H. and S. Yoden: Theoretical Estimation of the Superrotation Strength in an Idealized Quasi-Axisymmetric Model of Planetary Atmospheres.
    19th Conference on Atmospheric and Oceanic Fluid Dynamics (POSTER), 99, Rhode Island, USA, 17–21 June 2013.
  45. Ogohara K., H. Kashimura, T. Kouyama, N. Sato, M. Takagi, T. Imamura, and T. Horinouchi: Limb fitting and cloud tracking for the study of the Venus atmosphere.
    International Venus Workshop (POSTER), Sicily, ITALY, 10–14 June 2013.
  46. Yamamoto, H. and S. Yoden: Superrotation strength estimated from algebraic equations.
    IUGG 2011 General Assembly (POSTER), 3082, Melbourne, AUSTRALIA, 28 June–7 July 2011.
  47. Ogohara, K., T. Kouyama, H. Yamamoto, N. Sato, M. Takagi, and T. Imamura: Development of a Cloud Tracking System for Akatsuki, and it’s Application to Venus Express VMC Data.
    The 28th International Symposium on Space Technology and Science, Okinawa, Japan, 5–12 June 2011.
  48. Yamamoto, H. and S. Yoden: Superrotation strength estimated from algebraic equations.
    Japan Geoscience Union Meeting 2011 (POSTER), U003-P04, Chiba, JAPAN, 22–27 May 2011.
  49. Ogohara, K., T. Kouyama, H. Yamamoto, N. Sato, M. Takagi, and T. Imamura: Cloud tracking system for Akatsuki data and its tests using VEx/VMC images, Japan Geoscience Union Meeting 2011 (ORAL), U003-07, Chiba, JAPAN, 22–27 May, 2011.
  50. Yamamoto, H. and C. Cenedese: Laboratory experiment on two coalescing axisymmetric turbulent plumes in a rotating fluid.
    The Third International Workshop on Prevention and Mitigation of Meteorological Disasters in Southeast Asia (POSTER), P-13, APU, Beppu, JAPAN, 1–3 March 2010.
  51. Yamamoto, H. and S. Yoden: Multiple stable solutions of Boussinesq fluid primitive equations.
    CPS 6th International School of Planetary Sciences, Planetary Atmospheres — Sisters, relatives and ancestors of our own (POSTER), P-36, Hotel Seapal Suma, Kobe, JAPAN, 4-9 January 2010.
  52. Yamamoto, H., K. Ishioka, and S. Yoden: Axisymmetric steady solutions in an idealized model of atmospheric general circulations: Hadley circulation and super-rotation.
    Mini Workshop on Geophysical Fluid Dynamics and Meteorology with Dr. Tribbia (ORAL), Kyoto University, Kyoto, JAPAN, 5 October 2009.
  53. Yamamoto, H., K. Ishioka, and S. Yoden: Axisymmetric steady solutions in an idealized model of atmospheric general circulations: Hadley circulation and super-rotation.
    MIT Atmospheric Science Seminars (ORAL), MIT, USA, 24 August 2009.
  54. Yamamoto, H.: Laboratory experiment on two coalescing axisymmetric turbulent plumes in a rotating fluid.
    WHOI GFD Program (ORAL), Woods Hole Oceanographic Institution, USA, 19 August 2009. link
  55. Yoden, S., H. Yamamoto, and K. Ishioka: Axisymmetric steady solutions in an idealized model of atmospheric general circulations: Hadley circulation and super-rotation.
    MOCA-09 (ORAL), M06.10, Montréal, Québec, CANADA, 19–24 July 2009.
  56. Yamamoto, H., K. Ishioka, and S. Yoden: ​Axisymmetric steady solutions in an idealized model of atmospheric general circulations: Hadley circulation and super-rotation.
    Mini Workshop on Geophysical Fluid Dynamics and Meteorology with Prof. Andrews (ORAL), Kyoto University, Kyoto, JAPAN, 17 April 2009.
  57. Yamamoto, H., K. Ishioka, and S. Yoden: Axisymmetric steady solutions in an idealized model of atmospheric general circulations: Hadley circulation and super-rotation.
    Rotating Stratified Turbulence and Turbulence in the Atmosphere and Oceans (POSTER), Isaac Newton Institute for Mathematical Sciences, Cambridge, UK, from 8–12 December 2008.