研究発表(国際)

  1. Kataoka, R., et al. (ERG, PWING, and PANSY PIs), Atmospheric impacts of auroral electrons as observed by Arase satellite and ground-based observations at Syowa station, SGEPSS 2016, Kyoto, 15-19 October 2017.
  2. Ryuho Kataoka, R., Aurora 4D Project Member, Northern lights written in Japanese historical documents, The 7th Symposium on Polar Science, Tachikawa, 29 Nov 2016.
  3. Kataoka, R., Space weather forecast of energetic particles and extreme space weather of magnetic storms, JpGU 2016, Makuhari, 22 May 2016.
  4. Kataoka, R., Emergency alert for geomagnetically induced currents, NASA LWS Institute GIC Working Group Workshop 2, Boulder, 5-8 Oct 2015.
  5. Kataoka, R., D. Shiota, E. Kilpua, K. Keika, Pileup accident hypothesis of magnetic storm on 2015 March 17, SCOSTEP-WDS Workshop, Koganei-NICT, 28-30 Sep, 2015.
  6. Kataoka, R., and T. Sato, Radiation dose of aircrews during solar proton events, AOGS 12th annual Meeting, Singapole, 2-7 August, 2015.
  7. Kataoka, R., and T. Sato, Radiation dose of aircrews during solar proton events, JpGU 2015, Makuhari, 24-28 May, 2015.
  8. Kataoka, R., Y. Fukuda, Y. Miyoshi, K. Shiokawa, M. Ozaki, Y. Kato, and Y. Ebihara, Visualization of wave-particle interactions by high-speed imaging of aurora, JpGU 2015, Makuhari, 24-28 May, 2015.
  9. Kataoka, R., and Y. Fukuda, Compound auroral micromorphology: Ground-based high-speed imaging, Fourth International Symposium on the Arctic Research (ISAR4), Toyama, 27-30 April 2015.
  10. Kataoka, R., Y. Nakagawa, and T. Sato, Radiation dose of aircrews during a solar proton event without ground-level enhancement, Fourth International Symposium on the Arctic Research (ISAR4), Toyama, 27-30 April 2015.
  11. Kataoka, R., Review of GIC-related activities of Japan, NASA LWS Institute GIC Working Group Workshop 1, Boulder, 2-6 Mar 2015.
  12. Kataoka, R., S. Fujita, and T. Tanaka, Magnetic energy and internal energy for the expansion phase of auroral substorms, The 12th International Conference on Substorms, Ise-shima, 10-14 November 2014.
  13. Kataoka, R., T. Sato, Y. Kubo, D. Shiota, S. Yashiro, T. Kuwabara, H. Yasuda, Development of WASAVIES (WArning System of AVIation Exposure to Solar Energetic Particles), International CAWSES-II Symposium, Nagoya, 18-22 November 2013. (Poster)
  14. Kataoka, R., Y. Miyoshi, K. Shiokawa, D. Hampton, and M. Connors, Ground-based high-speed imaging and stereo imaging of aurora, International CAWSES-II Symposium, Nagoya, 18-22 November 2013.
  15. Kataoka, R., Y. Miyoshi, K. Shiokawa, D. Hampton, T. Nishiyama, T. Sakanoi, I. Schofield, and M. Connors, Ground-based high-speed imaging of aurora, International Workshop on Advances and Perspectives in Auroral Plasma Physics, Aussois, France, 1-5 April 2013. (Invited)
  16. Kataoka, R., Y. Miyoshi, K. Shiokawa, D. Hampton, T. Nishiyama, T. Sakanoi, I. Schofield, and M. Connors, Ground-based high-speed imaging of aurora, THEMIS SWG meeting, 24-29 March 2013.
  17. Kataoka, R., H. Miyahara, and F. Steinhilber, Anomalous 10Be spikes during the Maunder Minimum as a possible evidence for cross-sector transport in the heliosheath, Solar Wind 13, Kona-Kailua, Hawaii, 18-22 June, 2012. (Poster)
  18. Kataoka, R., and D. Shiota, Development of automated MHD simulation of the inner heliosphere, Solar Wind 13, Kona-Kailua, Hawaii, 18-22 June, 2012. (Poster)
  19. Kataoka, R., T. Ebisuzaki, H. Miyahara, and S. Maruyama, Snowball earth events driven by a starburst of the Milky Way Galaxy, The 2nd Nagoya Workshop on the Relationship between Solar Activity and Climate Changes, 16-17, Jan, 2012.
  20. Kataoka, R., T. Ebisuzaki, and S. Maruyama, Snowball earth events driven by a starburst of the Milky Way Galaxy, 6th Symposium on the Science by Astronomical Earth Observatory & International Workshop of Interactive Research Center of Science, Meguro, 31 October-2 November 2011. (Invited)
  21. Kataoka, R., S. Yashiro, T. Sato, H. Yasuda, T. Kuwabara, and D. Shiota, Development of WASAVIES: WArning System of AVIation Exposure to SEP, AOGS2011, Taipei, 8-12 August 2011.
  22. Kataoka, R., and T. Ebisuzaki, Nebula Winter Hypothesis, Society of Molecular Biology and Evolution, Kyoto, 30 July 2011. (Invited)
  23. Kataoka, R., A. Pulkkinen, S. Watari, and M. Ichiki, Modeling and forecasting geomagnetically induced currents in Hokkaido, Japan, AGU Chapman conference on Dynamics of the Earth's Radiation Belts and Inner Magnetosphere, St. John's, Newfoundland and Labrador, Canada, 17-22 July 2011. (Invited)
  24. Kataoka, R., Y. Miyoshi, A. Yaegashi, T. Nishiyama, T. Sakanoi, Y. Ebihara, and K. Shiokawa, High-speed imaging observations of flickering aurora and breakup aurora, IUGG2011, Melbourne, Australia, 28 June - 7 July 2011. (Invited)
  25. Kataoka, R., D. Shiota, Modeling the heliosphere and solar energetic particles, 10th Annual International Astrophysics Conference, Physics of the Heliosphere: A 10-year Retrospective, Maui, Hawaii, 13-18 Mar, 2011. (Invited)
  26. Kataoka, R., Y. Miyoshi, A. Yaegashi, T. Sakanoi, T. Nishiyama, Y. Ebihara, and K. Shiokawa, Ground-based high-speed imaging observation of auroral microstructures, AGU Chapman Conference on Relationship Between Auroral Phenomenology and Magnetospheric Processes, Fairbanks, Alaska, USA, 27 Feb-4 Mar, 2011.
  27. Kataoka, R., Response of solar-terrestrial environment to supernova explosions, 12th Japanese-American Frontiers of Science Symposium, Chiba, Japan, 3-5 Dec, 2010. (Invited)
  28. Kataoka, R., MHD modeling of the solar wind, CAESES II One-day Workshop: CME/ICME and solar wind, Kyoto, Japan, 20 Oct, 2010.
  29. Kataoka, R., and Y. Miyoshi, Extreme flux enhancement and persistent loss of relativistic electrons at geosynchronous orbit, COSPAR, 38th Scientific Assembly, Bremen, Germany, July 18-25, 2010.
  30. Kataoka, R., and Y. Miyoshi, Why are relativistic electrons persistently quiet at geosynchronous orbit in 2009?, SCOSTEP's Symposium STP12, Berlin, Germany, July 12-16, 2010. (Poster)
  31. Kataoka, R., Transient magnetospheric response to solar wind discontinuities: Traveling convection vortices, Western Pacific Geophysics Meeting, Taipei, June 22-25, 2010. (Invited)
  32. Kataoka, R., and Y. Miyoshi, Solar wind structures and radiation belts, 2010 WCU International Workshop: Current Issues in the Space Environment, Seoul, Korea, April 12-13, 2010. (Invited)
  33. Kataoka, R., Space weather forecast and solar energetic particle modeling, IRCS international symposium "Solar Energetic Particles: Origin and Environmental Impact", Kyoto, Jan 12-14, 2010.
  34. Kataoka, R., Y. Miyoshi, and A. Morioka, Hilbert-Huang transform and S-transform of geomagnetic pulsations at auroral expansion onset, AGU Fall Meeting 2009, San Francisco, Dec 14-18, 2009.
  35. Kataoka, R., Ring current and subauroral polarization streams, The workshop on large-scale field-aligned current systems and associated processes in the magnetoshpere and ionosphere, Institute of Statistical Mathematics, Tokyo, July 14-15, 2009.
  36. Kataoka, R., Y. Miyoshi, and K. Hayashi, Numerical space weather forecast of the solar wind and radiation belts, AGU Fall Meeting 2008, San Francisco, Dec 15-19, 2008.
  37. Kataoka, R., and T. Ebisuzaki, Cosmic rays and low clouds during Forbush decrease events, International Workshop on Variabilities of Solar-Cosmic and Terrestrial Environment, Kanagawa, Dec 4-6, 2008.
  38. Kataoka, R., T. Ebisuzaki, and A. Ibukiyama, Tidal force from satellite galaxies may cause Snowball Earth, International Symposium of "From Genome to Snowball Earth, Metazoan Evolution and Habitable Planets: Multidisciplinary Relations", Miraikan, Odaiba, Oct 2, 2008. (Invited)
  39. Kataoka, R., and Y. Miyoshi, Numerical space weather forecast of the solar wind and radiation belts, AOGS 2008 5th Annual General Meeting, Busan, Korea, June 16-20, 2008. (Invited)
  40. Kataoka, R., K. Hosokawa, N. Nishitani, and Y. Miyoshi, SuperDARN Hokkaido radar observation of subauroral convection flow enhancement, AOGS 2008 5th Annual General Meeting, Busan, Korea, June 16-20, 2008.
  41. Kataoka, R., and Y. Miyoshi, Extreme flux enhancement of killer electrons at geosynchronous orbit, Space Weather Workshop, Boulder, Colorado, Apr 29-May 2, 2008. (Poster)
  42. Kataoka, R., D. Shiota, K. Kusano, T. Ogino, E. Asano, and K. Shibata, Interlocked MHD modeling of the initiation and propagation of coronal mass ejections in the inner heliosphere, 7th Annual International Astrophysics Conference, Particle acceleration and transport in the Heliosphere and Beyond, Kauai, Hawaii, March 7-13, 2008. (Invited)
  43. Kataoka, R., N. Nishitani, Y. Ebihara, K. Hosokawa, T. Ogawa, T. Kikuchi, and Y. Miyoshi, SuperDARN Hokkaido radar observation of subauroral ionospheric convection during storms, AGU Fall Meeting 2007, San Francisco, Dec 10-14, 2007. (Invited)
  44. Kataoka, R., Y. Miyoshi, M. Kojima, M. Tokumaru, T. Ebisuzaki, Extreme flux enhancement of killer electrons due to the magnetosphere inflation during the recovery phase of geomagnetic storms, AGU Fall Meeting 2007, San Francisco, Dec 10-14, 2007. (Poster)
  45. Kataoka, R., M. Kojima, M. Tokumaru, and Y. Miyoshi, MHD simulation of CME propagation for space weather forecast, IPS Workshop 2007, Toyokawa, Oct. 30, 2007.
  46. Kataoka, R., N. Nishitani, Y. Ebihara, K. Hosokawa, T. Ogawa, T. Kikuchi, and Y. Miyoshi, SuperDARN Hokkaido radar observations of subauroral ionospheric convection during magnetic storms, International CAWSES Symposium, Kyoto, Oct. 23-27, 2007. (Poster)
  47. Kataoka, R., N. Nishitani, T. Kikuchi, T. Ogawa, K. Hosokawa, and Hokkaido HF radar group, Initial results from the SuperDARN Hokkaido radar observation: Nightside ionospheric convection in mid-latitudes during magnetic storms, IUGG 2007, Perugia, Italy, July 2- 13, 2007.
  48. Kataoka, R., and Y. Miyoshi, Space weather forecast of radiation belt electrons during magnetic storms driven by CMEs and CIRs, IUGG 2007, Perugia, Italy, July 2- 13, 2007. (Invited)
  49. Kataoka, R., N. Nishitani, T. Kikuchi, T. Ogawa, K. Hosokawa, Initial Results from Hokkaido-Rikubetsu Radar: Ionospheric echoes and magnetic storms, SuperDARN Workshop 2007, Hokkaido, Japan, June 4-8, 2007.
  50. Kataoka, R., and Y. Miyoshi, Acceleration mechanisms of radiation belt electrons during magnetic storms driven by CMEs and CIRs, Fairbanks, Mar 18-20, 2007.
  51. Kataoka, R., Solar wind structures impinging on the Mercury's magnetosphere: Coronal mass ejection and corotating interaction region, MMO-SWG 5, Sagamihara, Japan, Jan 12, 2007.
  52. Kataoka, R., and A. Pulkkinen, S-transform analysis of geomagnetically induced currents during intense geomagnetic storms, AGU Fall Meeting 2006, San Francisco, Dec 11-15, 2006.
  53. Kataoka, R., D. H. Fairfield, D. G. Sibeck, L. Rastaetter, M.-C. Fok, T. Nagatsuma, and Y. Ebihara, MHD and ring current simulations of a superstorm on 20 November 2003, CAWSES International Workshop on Space Weather Modeling, November 14-17, Yokohama, Japan, 2006.
  54. Kataoka, R., D. H. Fairfield, D. G. Sibeck, L. Rastaetter, M.-C. Fok, T. Nagatsuma, and Y. Ebihara, Solar wind density control of energy transfer to the magnetosphere during super storms: Testing MHD and ring current simulations, Western Pacific Geophysics Meeting, July 24-27, Beijing, China, 2006. (Invited)
  55. Kataoka, R., and Y. Miyoshi, Radiation belt electrons during intense storms driven by coronal mass ejections and corotating interaction regions, Western Pacific Geophysics Meeting, July 24-27, Beijing, China, 2006.
  56. Kataoka, R., and Y. Miyoshi, Radiation belt electrons during intense storms driven by coronal mass ejections and corotating interaction regions, 36th COSPAR Scientific Assembly, July 16-23, Beijing, China, 2006.
  57. Kataoka, R., and Y. Miyoshi, Flux enhancement of radiation belt electrons during intense storms driven by coronal mass ejections and corotating interaction regions, 36th COSPAR Scientific Assembly, July 16-23, Beijing, China, 2006.
  58. Kataoka, R., and Y. Miyoshi, Flux enhancement of radiation belt electrons during geomagnetic storms driven by coronal mass ejections and corotating interaction regions, Space Weather Meeting, Colorado, Apr 25-28, 2006. (Poster)
  59. Kataoka, R., D. H. Fairfield, D. G. Sibeck, L. Rastaetter, M.-C. Fok, T. Nagatsuma, and Y. Ebihara, Magnetosheath variations during the storm main phase on November 20, 2003: Evidence for solar wind density control of energy transfer to the magnetosphere, AGU Fall Meeting 2005, San Francisco, Dec 5-9, 2005.
  60. Kataoka, R., S. Watari, N. Shimada, and H. Shimazu, Downstream structures of interplanetary fast shocks associated with coronal mass ejections, SHINE workshop, Hawaii, July 10-15, 2005.
  61. Kataoka, R., S. Watari, N. Shimada, and H. Shimazu, Downstream structures of interplanetary fast shocks associated with coronal mass ejections, AOGS meeting, Singapore, June 20-24, 2005.
  62. Kataoka, R., S. Watari, and K. Marubashi, Predictability of southward IMF in the sheath region of ICMEs, IMF Bz International Workshop on Space Weather - On the Causes of Southward Interplanetary Magnetic Field (IMF), Tokyo, Japan, April 4-5, 2005.
  63. Kataoka, R., S. Watari, K. Marubashi, Microstructures of interplanetary coronal mass ejections during solar cycle 23, AGU Fall Meeting 2004, San Francisco, Dec 13-17, 2004. (Poster)
  64. Kataoka, R., H. Fukunishi, Physics of a transient generator in the vicinity of the dayside magnetopause: Energetics of traveling convection vortices, AOGS 1st meeting, July 6, Singapore, 2004. (Poster)
  65. Kataoka, R., H. Fukunishi, K. Hosokawa, A. S. Yukimatu, and N. Sato, Interhemispheric conjugate observations of ionospheric convection flows in the dayside high-latitude regions, American Geophysical Union 2003 Fall meeting, San Francisco, U. S. A., December, 2003.
  66. Kataoka, R., H. Fukunishi, S. Fujita, and T. Tanaka, MHD simulation of dayside magnetosphere response to localized density impacts in the solar wind, XXIII General Assembly of International Union of Geodesy and Geophysics, Sapporo, Japan, June, 2003.
  67. Kataoka, R., H. Fukunishi, L. J. Lanzerotti, J. Watermann, and M. J. Engebretson, Statistical identification of solar wind origins of magnetic impulse events (MIEs), American Geophysical Union 2002 Fall meeting, San Francisco, U. S. A., December, 2002. (Poster)
  68. Kataoka, R., and H. Fukunishi, Prediction of solar wind power supply into the dayside ionosphere, International Workshop on Global Change: Connection to the Arctic 2002 (GCCA3), Fairbanks, Alaska, U. S. A., November, 2002. (Poster)
  69. Kataoka, R., H. Fukunishi, A. S. Yukimatu, N. Sato, K. Hosokawa, and SuperDARN PIs, SuperDARN HF radar signatures of traveling convection vortices, SuperDARN 2002 Workshop, Valdez, Alaska, U. S. A., May, 2002.
  70. Kataoka, R., H. Fukunishi, H. Fujiwara, and L. J. Lanzerotti, Model calculation of global magnetic disturbances due to magnetic impulse events, American Geophysical Union 2001 Fall meeting, San Francisco, U. S. A., December, 2001. (Poster)
  71. Kataoka, R., H. Fukunishi, L. J. Lanzerotti, C. G. Maclennan, A. T. Weatherwax, T. J. Rosenberg, H. U. Frey, S. B. Mende , M. J. Engebretson, and J. Waterman, Relationship between occurrences of magnetic impulse events and solar wind discontinuities, IAGA Symposia, Hanoi, Vietnam, August 2001. (Poster)
  72. Kataoka, R., H. Fukunishi, L. J. Lanzerotti, C. G. Maclennan, A. T. Weatherwax, T. J. Rosenberg, H. U. Frey, S. B. Mende, M. J. Engebretson, and J. Watermann, Magnetic Impulse Events: A multi event study of extended ground and space observations, American Geophysical Union 2000 Fall meeting, San Francisco, U. S. A., December, 2000. (Poster)
  73. Kataoka, R., H. Fukunishi, L. J. Lanzerotti, C. G. Maclennan, H. U. Frey, S. B. Mende, J. H. Doolittle, T. J. Rosenberg, and A. T. Weatherwax, Magnetic Impulse Event: A Detailed Case Study of Extended Ground and Space Observations, The first S-RAMP conference, Sapporo, Japan, October, 2000.
  74. Kataoka, R., H. Fukunishi, L. J. Lanzerotti, C. G. Maclennan, H. U. Frey, S. B. Mende, J. H. Doolittle, T. J. Rosenberg, M. Engebretson, N. Sato, and T. Sakanoi, Traveling Convection Vortices associated with MIE Observed by the AGO network in Antarctica, XXVI SCAR, STAR Working Group Meeting, Tokyo, Japan, July, 2000.
  75. Kataoka, R., H. Fukunishi, L. J. Lanzerotti, C. G. Maclennan, H. U. Frey, S. B. Mende, J. H. Doolittle, T. J. Rosenberg, M. Engebretson, N. Sato, and T. Sakanoi, Magnetic Impulse Event: A Detailed Case Study of Extended Ground and Space Observations, Western Pacific Geophysics Meeting, Tokyo, Japan, June, 2000.
  76. Kataoka, R., H. Fukunishi, M. Sato, J. H. Doolittle, H. U. Frey, S. P. Geller, S. B. Mende, L. J. Lanzerotti, and C. G. Maclennan, Auroral signatures of magnetic impulse events observed by Automatic Geophysical Observatories in Antarctica, American Geophysical Union 1999 Fall meeting, San Francisco, U. S. A., December, 1999. (Poster)