Japan Geoscience Union Meeting 2018

Shoichiro Yokota

Speaker, Author, Co-Author

Sun. May 20, 2018 9:00 AM - 10:30 AM 201A (2F International Conference Hall, Makuhari Messe)

  • [EJ] Oral
  • | P (Space and Planetary Sciences)
  • | P-PS Planetary Sciences

Mon. May 21, 2018 9:00 AM - 10:30 AM 303 (3F International Conference Hall, Makuhari Messe)

  • [EE] Oral
  • | P (Space and Planetary Sciences)
  • | P-EM Solar-Terrestrial Sciences, Space Electromagnetism & Space Environment

10:00 AM - 10:15 AM

*Nehpreet Kaur Walia1, Kanako Seki1, Masahiro Hoshino1, Takanobu Amano1, Naritoshi Kitamura2, Yoshifumi Saito2, Shoichiro Yokota3, Craig J Pollock4,5, Barbara L Giles5, Thomas Earle Moore5, Roy Torbert6, Christopher T Russell7, James L Burch8 (1.Department of Earth & Planetary Science, Graduate School of Science, University of Tokyo, 2.Institute for Space and Astronautical Sciences, JAXA, 3.Department of Earth and Space Science, Graduate School of Science, Osaka University, 4.Denali Scientific, 5.NASA Goddard Space Flight Center, 6.Physics Department and Space Science Center, University of New Hampshire, 7.Department of Earth Planetary and Space Sciences, University of California Los Angeles, 8.Southwest Research Institute)

Mon. May 21, 2018 10:45 AM - 12:15 PM 303 (3F International Conference Hall, Makuhari Messe)

  • [EE] Oral
  • | P (Space and Planetary Sciences)
  • | P-EM Solar-Terrestrial Sciences, Space Electromagnetism & Space Environment

10:45 AM - 11:00 AM

*Yoshizumi Miyoshi1, Shinji Saito1, Satoshi Kurita1, Yoshiya Kasahara2, Shoya Matsuda1, Fuminori Tsuchiya3, Atsushi Kumamoto3, Ayako Matsuoka4, Nana Higashio4, Takefumi Mitani4, Takeshi Takashima4, Satoshi Kasahara5, Shoichiro Yokota6, Kazushi Asamura4, Iku Shinohara4, Kazuo Shiokawa1, Yasunobu Ogawa7, Keisuke Hosokawa8, Shin-ichiro Oyama1, Tomoaki Hori1, Masafumi Shoji1, Mariko Teramoto1, Tzu-Fang Chang1, Esa Turunen9 (1.Institute for Space-Earth Environmental Research, Nagoya University, 2.Kanazawa University, 3.Tohoku University, 4.JAXA, 5.The University of Tokyo, 6.Osaka University, 7.NIPR, 8.UEC, 9.SGO, Finland)

11:00 AM - 11:15 AM

*Kanako Seki1, Yasunobu Ogawa2, Kunihiro Keika1, Satoshi Kasahara1, Shoichiro Yokota3, Ayako Matsuoka4, Kazushi Asamura4, Yoshizumi Miyoshi5, Iku Shinohara4 (1.Graduate School of Science, University of Tokyo, 2.National Institute of Polar Research, 3.Graduate School of Science, Osaka University, 4.Institute for Space and Astronautical Sciences, JAXA, 5.ISEE, Nagoya University)

11:30 AM - 11:45 AM

*Satoshi Kasahara1, Yoshizumi Miyoshi2, Shoichiro Yokota3, Takefumi Mitani4, Yoshiya Kasahara5, Shoya Matsuda2, Atsushi Kumamoto6, Ayako Matsuoka4, Yoichi Kazama7, Harald U Frey8, Vassilis Angelopulos9, Satoshi Kurita2, Kunihiro Keika1, Kanako Seki1, Iku Shinohara4 (1.The University of Tokyo, 2.Nagoya University, 3.Osaka University, 4.ISAS, 5.Kanazawa University, 6.Tohoku University, 7.ASIAA, 8.UCB, 9.UCLA)

12:00 PM - 12:15 PM

*Masahito Nose1, Ayako Matsuoka2, Satoshi Kasahara3, Shoichiro Yokota4, Mariko Teramoto5, Kunihiro Keika3, Reiko Nomura6, Akiko Fujimoto7, Nana Higashio6, Hideki Koshiishi6, Shun Imajo1, Yoshimasa Tanaka8, Manabu Shinohara9, Iku Shinohara2, Yoshizumi Miyoshi5 (1.Graduate School of Science, Kyoto University, 2.Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency, 3.Graduate School of Science, The University of Tokyo, 4.Graduate School of Science, Osaka University, 5.Institute for Space-Earth Environmental Research, Nagoya University, 6.Tsukuba Space Center, Japan Aerospace Exploration Agency, 7.International Center for Space Weather Science and Education, Kyusyu University, 8.National Institute of Polar Research, 9.Kagoshima National College of Technology)

Mon. May 21, 2018 10:45 AM - 12:15 PM Poster Hall (International Exhibition Hall7, Makuhari Messe)

  • [EE] Poster
  • | P (Space and Planetary Sciences)
  • | P-CG Complex & General

Mon. May 21, 2018 3:30 PM - 5:00 PM Poster Hall (International Exhibition Hall7, Makuhari Messe)

  • [JJ] Poster
  • | U (Union)
  • | Union

*Kanako Seki1, Atsushi Yamazaki2, Naoki Terada3, Ayako Matsuoka2, Hiromu Nakagawa3, Shoichiro Yokota4, Satoshi Kasahara1, Yoshifumi Saito2, Takeshi Sakanoi3, Takeshi Imamura5, Yasumasa Kasaba3, Keigo Enya2, Yoshifumi Futaana6, Atsushi Kumamoto3, Tomohiro Usui7, Hiroyuki Maezawa8, YASUKO KASAI9, Hideo Sagawa10, Makoto Taguchi11, Yoshizumi Miyoshi12, Takuya Hara13, Takeshi Kuroda9, Shotaro Sakai1, Kazuhisa Fujita14, Sho Sasaki4, MSWC team (1.Graduate School of Science, University of Tokyo, 2.ISAS, JAXA, 3.Graduate School of Science, Tohoku University, 4.Graduate School of Science, Osaka University, 5.Graduate School of Frontier Sciences, University of Tokyo, 6.Swedish Institute of Space Physics, 7.Earth Life Science Institute, Tokyo Institute of Technology, 8.Osaka Prefecture University, 9.National Institute of Information and Communications Technology, 10.Faculty of Science, Kyoto Sangyo University, 11.Faculty of Science, Rikkyo University, 12.ISEE, Nagoya University, 13.SSL, UC Berkeley, 14.Research and Development Directorate, JAXA)

Mon. May 21, 2018 3:30 PM - 5:00 PM Poster Hall (International Exhibition Hall7, Makuhari Messe)

  • [EE] Poster
  • | P (Space and Planetary Sciences)
  • | P-EM Solar-Terrestrial Sciences, Space Electromagnetism & Space Environment

*Naritoshi Kitamura1, Masahiro Kitahara2, Masafumi Shoji3, Yoshizumi Miyoshi3, Yuto Katoh2, Satoko Nakamura4, Hiroshi Hasegawa1, Yoshifumi Saito1, Shoichiro Yokota5, Barbara L Giles6, Thomas Earle Moore6, Daniel J Gershman6,7, William R Paterson6, Craig J Pollock8, Christopher T Russell9, Robert J Strangeway9, Stephen A Fuselier10,11, James L Burch10 (1.Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency, 2.Department of Geophysics, Graduate school of Science, Tohoku University, 3.Institute for Space-Earth Environmental Research, Nagoya University, 4.Research Institute for Sustainable Humanosphere, Kyoto University, 5.Department of Earth and Space Science, Graduate School of Science, Osaka University, 6.NASA Goddard Space Flight Center, 7.University of Maryland, 8.Denali Scientific, 9.Institute of Geophysics and Planetary Physics, University of California, Los Angeles, 10.Southwest Research Institute, 11.University of Texas at San Antonio)

Mon. May 21, 2018 3:30 PM - 5:00 PM 303 (3F International Conference Hall, Makuhari Messe)

  • [EE] Oral
  • | P (Space and Planetary Sciences)
  • | P-EM Solar-Terrestrial Sciences, Space Electromagnetism & Space Environment

4:00 PM - 4:15 PM

*Kazuhiro Yamamoto1, Masahito Nose1, Satoshi Kasahara2, Shoichiro Yokota3, Kunihiro Keika2, Ayako Matsuoka4, Mariko Teramoto5, Reiko Nomura4, Kazue Takahashi6, Massimo Vellante7, Balazs Heilig8, Akiko Fujimoto9, Yoshimasa Tanaka10, Manabu Shinohara11, Iku Shinohara4, Yoshizumi Miyoshi5 (1.Graduate School of Science, Kyoto University, 2.The University of Tokyo, 3.Osaka University, 4.Japan Aerospace Exploration Agency, 5.Nagoya University, 6.Johns Hopkins University Applied Physics Laboratory, 7.University of L'Aquila, 8.Geological and Geophysical Institute of Hungary, 9.Kyushu University, 10.National Institute of Polar Research, 11.National Institute of Technology, Kagoshima College)

4:15 PM - 4:30 PM

*Oimatsu Satoshi1, Masahito Nose1, Mariko Teramoto3, Kazuhiro Yamamoto1, Ayako Matsuoka2, Satoshi Kasahara6, Shoichiro Yokota8, Kunihiro Keika6, Reiko Nomura2, Akiko Fujimoto4, Yoshimasa Tanaka7, Shinohara Manabu9, Iku Shinohara2, Yoshizumi Miyoshi3, Oleg Sormakov5, dimsoa Troshichev5 (1.Graduate school of science, Kyoto university, 2.Japan Aerospace Exploration Agency, 3.Institute for Space-Earth Environmental Research, Nagoya University, 4.International Center for Space Weather Science and Education, Kyusyu University, 5.Arctic and Antarctic Research Institute, 6.Graduate School of Science, The University of Tokyo, 7.National Institute of Polar Research Research , 8.Graduate school of science, Osaka university, 9.National Institute of Technology, Kagoshima College)

Mon. May 21, 2018 3:30 PM - 5:00 PM A01 (Tokyo Bay Makuhari Hall)

  • [EE] Oral
  • | P (Space and Planetary Sciences)
  • | P-CG Complex & General

4:05 PM - 4:20 PM

*Yoko Kebukawa1, Tatsuaki Okada2,3, Jun Aoki4, Motoo Ito5, Yosuke Kawai4, Shoichiro Yokota4, Jun Matsumoto2, Hisayoshi Yurimoto6,2, Hajime Yano2, Hervé Cottin7, Noel Grand7, Osamu Mori2, The OKEANOS team (1.Yokohama National University, 2.Japan Aerospace Exploration Agency, 3.The University of Tokyo, 4.Osaka University, 5.JAMSTEC, 6.Hokkaido University, 7.LISA, Université Paris-Est Créteil)

Mon. May 21, 2018 5:15 PM - 6:30 PM Poster Hall (International Exhibition Hall7, Makuhari Messe)

  • [JJ] Evening Poster
  • | U (Union)
  • | Union

*Kanako Seki1, Atsushi Yamazaki2, Naoki Terada3, Ayako Matsuoka2, Hiromu Nakagawa3, Shoichiro Yokota4, Satoshi Kasahara1, Yoshifumi Saito2, Takeshi Sakanoi3, Takeshi Imamura5, Yasumasa Kasaba3, Keigo Enya2, Yoshifumi Futaana6, Atsushi Kumamoto3, Tomohiro Usui7, Hiroyuki Maezawa8, YASUKO KASAI9, Hideo Sagawa10, Makoto Taguchi11, Yoshizumi Miyoshi12, Takuya Hara13, Takeshi Kuroda9, Shotaro Sakai1, Kazuhisa Fujita14, Sho Sasaki4, MSWC team (1.Graduate School of Science, University of Tokyo, 2.ISAS, JAXA, 3.Graduate School of Science, Tohoku University, 4.Graduate School of Science, Osaka University, 5.Graduate School of Frontier Sciences, University of Tokyo, 6.Swedish Institute of Space Physics, 7.Earth Life Science Institute, Tokyo Institute of Technology, 8.Osaka Prefecture University, 9.National Institute of Information and Communications Technology, 10.Faculty of Science, Kyoto Sangyo University, 11.Faculty of Science, Rikkyo University, 12.ISEE, Nagoya University, 13.SSL, UC Berkeley, 14.Research and Development Directorate, JAXA)

Mon. May 21, 2018 5:15 PM - 6:30 PM Poster Hall (International Exhibition Hall7, Makuhari Messe)

  • [EE] Evening Poster
  • | P (Space and Planetary Sciences)
  • | P-EM Solar-Terrestrial Sciences, Space Electromagnetism & Space Environment

*Naritoshi Kitamura1, Masahiro Kitahara2, Masafumi Shoji3, Yoshizumi Miyoshi3, Yuto Katoh2, Satoko Nakamura4, Hiroshi Hasegawa1, Yoshifumi Saito1, Shoichiro Yokota5, Barbara L Giles6, Thomas Earle Moore6, Daniel J Gershman6,7, William R Paterson6, Craig J Pollock8, Christopher T Russell9, Robert J Strangeway9, Stephen A Fuselier10,11, James L Burch10 (1.Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency, 2.Department of Geophysics, Graduate school of Science, Tohoku University, 3.Institute for Space-Earth Environmental Research, Nagoya University, 4.Research Institute for Sustainable Humanosphere, Kyoto University, 5.Department of Earth and Space Science, Graduate School of Science, Osaka University, 6.NASA Goddard Space Flight Center, 7.University of Maryland, 8.Denali Scientific, 9.Institute of Geophysics and Planetary Physics, University of California, Los Angeles, 10.Southwest Research Institute, 11.University of Texas at San Antonio)

Mon. May 21, 2018 5:15 PM - 6:30 PM Poster Hall (International Exhibition Hall7, Makuhari Messe)

  • [EE] Evening Poster
  • | P (Space and Planetary Sciences)
  • | P-CG Complex & General

Tue. May 22, 2018 9:00 AM - 10:30 AM 303 (3F International Conference Hall, Makuhari Messe)

  • [EE] Oral
  • | P (Space and Planetary Sciences)
  • | P-EM Solar-Terrestrial Sciences, Space Electromagnetism & Space Environment

9:15 AM - 9:30 AM

*Shun Imajo1, Masahito Nose1, Ayako Matsuoka2, Satoshi Kasahara3, Shoichiro Yokota4, Mariko Teramoto6, Kunihiro Keika3, Brian Anderson5, Tetsuo Motoba5, Reiko Nomura7, Akiko Fujimoto8, Iku Shinohara2, Yoshizumi Miyoshi6 (1.Data Analysis Center for Geomagnetism and Space Magnetism, Graduate School of Science, Kyoto University, 2.Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency, 3.Graduate School of Science, The University of Tokyo, 4.Graduate School of Science, Osaka University, 5.The Johns Hopkins University Applied Physics Laboratory, 6.Institute for Space-Earth Environmental Research, Nagoya University, 7.Tsukuba Space Center, Japan Aerospace Exploration Agency, 8.International Center for Space Weather Science and Education, Kyushu University)

9:30 AM - 9:45 AM

*Yukinaga Miyashita1, Yoshizumi Miyoshi2, Ayako Matsuoka3, Yoshiya Kasahara4, Satoshi Kasahara5, Shoichiro Yokota6, Kazushi Asamura3, Shiang-Yu Wang7 (1.Korea Astronomy and Space Science Institute, 2.ISEE, Nagoya Univ., 3.ISAS, JAXA, 4.Kanazawa Univ., 5.Univ. of Tokyo, 6.Osaka Univ., 7.Academia Sinica)

Tue. May 22, 2018 10:45 AM - 12:15 PM 303 (3F International Conference Hall, Makuhari Messe)

  • [EE] Oral
  • | P (Space and Planetary Sciences)
  • | P-EM Solar-Terrestrial Sciences, Space Electromagnetism & Space Environment

11:15 AM - 11:30 AM

*Tomoaki Hori1, Nozomu Nishitani1, Simon G. Shepherd2, J. M. Ruohoniemi3, Martin G Connors4, Mariko Teramoto1, Shin'ya Nakano5, Kunihiro Keika6, Kanako Seki6, Naoko Takahashi6, Satoshi Kasahara6, Shoichiro Yokota7, Takefumi Mitani8, Takeshi Takashima8, Nana Higashio9, Ayako Matsuoka8, Kazushi Asamura8, Yoichi Kazama10, Shiang-Yu Wang10, Sunny W. Y. Tam11, Yoshizumi Miyoshi1, Iku Shinohara8 (1.Institute for Space-Earth Environmental Research, Nagoya University, 2.Dartmouth College, 3.Virginia Tech, 4.Athabasca University, 5.Institute of Statistical Mathematics, 6.University of Tokyo, 7.Graduate school of Science, Osaka University, 8.ISAS, JAXA, 9.TKSC, JAXA, 10.Institute of Astronomy and Astrophysics, Academia Sinica, Taiwan, 11.Institute of Space and Plasma Sciences, National Cheng Kung University, Taiwan)

Tue. May 22, 2018 1:45 PM - 3:15 PM 303 (3F International Conference Hall, Makuhari Messe)

  • [EE] Oral
  • | P (Space and Planetary Sciences)
  • | P-EM Solar-Terrestrial Sciences, Space Electromagnetism & Space Environment

1:45 PM - 2:00 PM

*Kunihiro Keika1, Satoshi Kasahara1, Shoichiro Yokota2, Masahiro Hoshino1, Kanako Seki1, Masahito Nose3, Yoshizumi Miyoshi4, Takanobu Amano1, Iku Shinohara5 (1.Department of Earth and Planetary Science, Graduate School of Science, The University of Tokyo , 2.Graduate School of Science, Osaka University, 3.World Data Center for Geomagnetism, Kyoto University, 4.Institute for Space-Earth Environmental Research, Nagoya University, 5.Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency)

Tue. May 22, 2018 3:30 PM - 5:00 PM Poster Hall (International Exhibition Hall7, Makuhari Messe)

  • [EE] Poster
  • | P (Space and Planetary Sciences)
  • | P-EM Solar-Terrestrial Sciences, Space Electromagnetism & Space Environment

*Iku Shinohara1, Tsugunobu Nagai8, Takefumi Mitani1, Satoshi Kasahara2, Yoichi Kazama3, Shiang-Yu Wang3, Sunny W. Y. Tam4, Nana Higashio5, Ayako Matsuoka1, Kazushi Asamura1, Shoichiro Yokota6, Takeshi Takashima1, Yoshizumi Miyoshi7 (1.Japan Aerospace Exploration Agency/Institute of Space and Astronautical Science, 2.University of Tokyo / Graduate School of Science, 3.Academia Sinica/Institute of Astronomy and Astrophysics, 4. National Cheng Kung University, 5.Japan Aerospace Exploration Agency/Research and Development Directorate, 6.Osaka University / Graduate School of Science, 7.Nagoya Univerisity/Institute for Space-Earth Environment Research, 8.Tokyo Institute of Technology / Graduate School of Science and Engineering)

Tue. May 22, 2018 5:15 PM - 6:30 PM Poster Hall (International Exhibition Hall7, Makuhari Messe)

  • [EE] Evening Poster
  • | P (Space and Planetary Sciences)
  • | P-EM Solar-Terrestrial Sciences, Space Electromagnetism & Space Environment

*Iku Shinohara1, Tsugunobu Nagai8, Takefumi Mitani1, Satoshi Kasahara2, Yoichi Kazama3, Shiang-Yu Wang3, Sunny W. Y. Tam4, Nana Higashio5, Ayako Matsuoka1, Kazushi Asamura1, Shoichiro Yokota6, Takeshi Takashima1, Yoshizumi Miyoshi7 (1.Japan Aerospace Exploration Agency/Institute of Space and Astronautical Science, 2.University of Tokyo / Graduate School of Science, 3.Academia Sinica/Institute of Astronomy and Astrophysics, 4. National Cheng Kung University, 5.Japan Aerospace Exploration Agency/Research and Development Directorate, 6.Osaka University / Graduate School of Science, 7.Nagoya Univerisity/Institute for Space-Earth Environment Research, 8.Tokyo Institute of Technology / Graduate School of Science and Engineering)

Wed. May 23, 2018 10:45 AM - 12:15 PM A01 (Tokyo Bay Makuhari Hall)

  • [EJ] Oral
  • | P (Space and Planetary Sciences)
  • | P-PS Planetary Sciences

11:00 AM - 11:15 AM

*Narumi Moromoto1, Kentaro Terada1, Shoichiro Yokota1,6, Yosuke Kawai1, Tomomi Hashiguchi1, Takahiro Matsuda1, Yuji Sano2, Takanori Kagoshima2, Naoto Takahata2, Masaaki Miyahara3, Norimasa Shimobayashi4, Eric Galimov5 (1.Department of Earth and Space Science, Graduate School of Science, Osaka University, 2.Atmosphere and Ocean Research Institute, the University of Tokyo, 3.Department of Earth and Planetary Systems Science, Graduate School of Science, Hiroshima University, 4.Kyoto University Graduate School of Science, 5.Vernadsky Institute of Geochemistry and Analytical Chemistry of the Russian Academy of Science, 6.Japan Aerospace Exploration Agency Institute of Space and Astronautical Science)

Wed. May 23, 2018 1:45 PM - 3:15 PM 303 (3F International Conference Hall, Makuhari Messe)

  • [EE] Oral
  • | P (Space and Planetary Sciences)
  • | P-EM Solar-Terrestrial Sciences, Space Electromagnetism & Space Environment

3:00 PM - 3:15 PM

*Yoshizumi Miyoshi1, Satoshi Kurita1, Ryuho Kataoka2, Takefumi Mitani3, Takeshi Takashima3, Nana Higashio3, Satoshi Kasahara4, Shoichiro Yokota5, Mariko Teramoto1, Tomoaki Hori1, Yoshiya Kasahara6, Shoya Matsuda1, Atsushi Kumamoto7, Fuminori Tsuchiya7, Masafumi Shoji1, Ayako Matsuoka3, Iku Shinohara3 (1.Institute for Space-Earth Environmental Research, Nagoya University, 2.NIPR, 3.JAXA, 4.University of Tokyo, 5.Osaka University, 6.Kanazawa University, 7.Tohoku University)

Wed. May 23, 2018 3:30 PM - 5:00 PM Poster Hall (International Exhibition Hall7, Makuhari Messe)

  • [EJ] Poster
  • | P (Space and Planetary Sciences)
  • | P-PS Planetary Sciences

Wed. May 23, 2018 5:15 PM - 6:30 PM Poster Hall (International Exhibition Hall7, Makuhari Messe)

  • [EJ] Evening Poster
  • | P (Space and Planetary Sciences)
  • | P-PS Planetary Sciences

Thu. May 24, 2018 1:45 PM - 3:15 PM A02 (Tokyo Bay Makuhari Hall)

  • [EE] Oral
  • | P (Space and Planetary Sciences)
  • | P-PS Planetary Sciences

3:00 PM - 3:15 PM

*Tatsuaki Okada1,2, Yoko Kebukawa3, Jun Aoki4, Yosuke Kawai4, Shoichiro Yokota4, Yoshifumi Saito1, Kentaro Terada4, Michisato Toyoda4, Motoo Ito5, Hikaru Yabuta6, Hisayoshi Yurimoto1,7, Chisato Okamoto8, Shuji Matsuura9, KOHJI TSUMURA10, Daisuke Yonetoku11, Tatehiro Mihara12, Ayako Matsuoka1, Reiko Nomura1, Hajime Yano1, Takayuki Hirai13, Ryosuke Nakamura14, Stephan Ulamec15, Ralf Jaumann15, Jean-Pierre Bibring16, Takahiro Iwata1, Jun Matsumoto1, Toshihiro Chujo1, Takanao Saiki1, Hideki Kato1, Osamu Mori1, Junichiro Kawaguchi1 (1.Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency, 2.University of Tokyo, 3.Yokohama National University, 4.Osaka University, 5.Kochi Institute for Core Sample Research, Japan Agency for Marine-Earth Science and Technology, 6.Hiroshima University, 7.Hokkaido University, 8.Hosei University, 9.Kwansei Gakuin University, 10.Tohoku University, 11.Kanazawa University, 12.RIKEN, 13.Chiba Institute of Technology, 14.National Institute of Advanced Industrial Science and Technology, 15.German Aerospace Center (DLR), 16.Institut d'Astrophysique Spatiale (IAS))