Kyushu University Academic Staff Educational and Research Activities Database
List of Presentations
Futoshi Takahashi Last modified date:2023.11.27

Associate Professor / Dynamics, Structure and Evolution of Earth and Planets / Department of Earth and Planetary Sciences / Faculty of Sciences


Presentations
1. Futoshi Takahashi, Shinya Nakano, Takuto Minami, Hinami Taniguchi, Ryosuke Nakashima, Masaki Matsushima, Hisayoshi Shimizu, Hiroaki TOH, Inferring geomagnetic secular variation using MHD/kinematic dynamo modeling with data assimilation, JpGU-AGU Joint Meeting 2020, 2020.07.
2. Shoichiro Yokota, Kentaro Terada, Yoshifumi Saito, Kazushi Asamura, Masaki N Nishino, Hisayoshi Shimizu, Futoshi Takahashi, Hidetoshi Shibuya, Masaki Matsushima, Hideo Tsunakawa, Global emissions of carbon ions from the total lunar surface, JpGU-AGU Joint Meeting 2020, 2020.07.
3. Takuto Minami, Shinya Nakano, Futoshi Takahashi, Masaki Matsushima, Ryosuke Nakashima, Hisayoshi Shimizu, Hinami Taniguchi, Hiroaki TOH , Contribution to IGRF-13 from Japan: A secular variation model using a numerical dynamo model and 4DEnVar data assimilation, JpGU-AGU Joint Meeting 2020, 2020.07.
4. Masaki Matsushima, Hisayoshi Shimizu, Futoshi Takahashi, Takuto Minami, Shinya Nakano, Ryosuke Nakashima, Hinami Taniguchi, Hiroaki TOH, Forecasts of geomagnetic secular variation using core surface flow models (2), JpGU-AGU Joint Meeting 2020, 2020.07.
5. Hinami Taniguchi, Futoshi Takahashi, Shin-ichi Takehiro, Hisayoshi Shimizu, An effect of the inner core on bottom-up type critical convective flows in a rotating spherical shell, JpGU-AGU Joint Meeting 2020, 2020.07.
6. Shin ya Nakano, Takuto Minami, Futoshi Takahashi, Masaki Matsushima, Hisayoshi Shimizu, Hiroaki TOH, Iterative ensemble variational methods and its application for the prediction of geomagnetic secular variation, JpGU-AGU Joint Meeting 2020, 2020.07.
7. Fumi Hyodo, Futoshi Takahashi, Satoshi Kaneshima, Hisayoshi Shimizu, Hideo Tsunakawa, Quantitative evaluation of the convection structure in the core with reference to a compositionally-driven lunar dynamo, JpGU-AGU Joint Meeting 2020, 2020.07.
8. Shunichi Kamata, Ryuki Hyodo, Futoshi Takahashi, Takashi Yoshizaki, Yota Ishigaki, Kiyoshi Kuramoto, Go Murakami, Masaki Fujimoto, Participation of Japanese planetary science community to the Mercury exploration mission BepiColombo, JpGU-AGU Joint Meeting 2020, 2020.07.
9. Tomoko Nakagawa, Futoshi Takahashi, Hisayoshi Shimizu, Yoshifumi Saito, Search of energy source of 1-16Hz Whistler Mode Waves Detected by Kaguya in the Lunar Polar Orbit, JpGU-AGU Joint Meeting 2020, 2020.07.
10. Futoshi Takahashi, Hisayoshi Shimizu, Hideo Tsunakawa, Anomalous is normal in planetary dynamos: A case of Mercury, JpGU-AGU Joint Meeting 2020, 2020.07.
11. Futoshi Takahashi, Yuhji Yamamoto, Statistical property of the polarity reversals in numerical dynamo models with implications for the geomagnetic field reversals, JpGU-AGU Joint Meeting 2020, 2020.07.
12. Yoshifumi Saito, Masaki N. Nishino, Shoichiro Yokota, Futoshi Takahashi, Hisayoshi Shimizu, Plasma Environment below 10km Altitude around Lunar Magnetic Anomalies, AGU Fall Meeting, 2019.12.
13. Ayako Matsuoka, Michele Karen Dougherty, Patrick Brown, Hans Ulrich Auster, Futoshi Takahashi, Hisayoshi Shimizu, Masaki Matsushima, In-flight alignment calibration of magnetic field measurement by JACS on JUICE, AGU Fall Meeting, 2019.12.
14. Shinya Nakano, Takuto Minami, Futoshi Takahashi, Masaki Matsushima, Hiroaki Toh, Hisayoshi Shimizu, Application of 4-dimensional ensemble variational method for geodynamo modeling, AGU Fall Meeting, 2019.12.
15. Fumi Hyodo, Futoshi Takahashi, Satoshi Kaneshima, Hisayoshi Shimizu, Hideo Tsunakawa, An effect of the Rayleigh number on morphology of a long-lived lunar dynamo driven by compositional convection, AGU Fall Meeting, 2019.12.
16. Hinami Taniguchi, Futoshi Takahashi, Shin-ichi Takehiro, Hisayoshi Shimizu, Influences of the inner spherical boundary on the bottom-up type convection at the onset in a rotating spherical shell, AGU Fall Meeting, 2019.12.
17. Futoshi Takahashi, Hisayoshi Shimizu, Hideo Tsunakawa, Mercury’s Anomalous Magnetic Field as a Result of Symmetry-breaking Self-regulating Dynamo, AGU Fall Meeting, 2019.12.
18. S. Nakano, T. Minami, F. Takahashi, M. Matsushima, H. Toh, H. Shimizu, Data assimilation experiments for geodynamo modeling with an ensemble-based approach, IUGG General Assembly, 2019.07.
19. M. Matsushima, H. Shimizu, F. Takahashi, T. Minami, S. Nakano, H. Toh, Forecasts of Geomagnetic Secular Variation Based on Magnetic Diffusion and Core Surface Flow, IUGG General Assembly, 2019.07.
20. H. Toh, T. Minami, S. Nakano, M. Matsushima, F. Takahashi, R. Nakashima, H. Taniguchi, H. Shimizu, Ensemble-based 4-D Variational Data Assimilation of the Geomagnetic Secular Variation: An Effort by Team Japan for IGRF-13SV Forecast, IUGG General Assembly, 2019.07.
21. 南 拓人、中野 慎也、高橋 太、松島 政貴、清水 久芳、藤 浩明, Geodynamo data assimilation for candidate models of IGRF13-SV from Japan team, 日本地球惑星科学連合大会, 2019.05.
22. 中野 慎也、南 拓人、高橋 太、松島 政貴、藤 浩明、清水 久芳, A pilot study of geomagnetic data assimilation into a geodynamo model, 日本地球惑星科学連合大会, 2019.05.
23. Hinami Taniguchi, Futoshi Takahashi, The role of drifting columnar convection in kinematic dynamo problem, Forecasting the geomagnetic secular variation with data assimilation, 2018.09.
24. Futoshi Takahashi, Masaki Matsushima, Hisayoshi Shimizu, Shin-ya Nakano, Takuto Minami, Hiroaki Toh, A brief introduction to a perspective of Japan's geomagnetic field modeling, Forecasting the geomagnetic secular variation with data assimilation, 2018.09.
25. Futoshi Takahashi, Hisayoshi Shimizu, Hideo Tsunakawa, A dynamo model for small bodies considering different core crystallization regime, SEDI Symposium, 2018.07.
26. Futoshi Takahashi, On the origin and evolution of the lunar core dynamo, SELENE Symposium, 2017.09.
27. Futoshi Takahashi, Effects of a thin stably stratified layer below the core mantle boundary on the dynamo action in the core, JpGU-AGU Joint Meeting, 2017.05.
28. F. Takahashi, Lunar magnetic anomaly observation by Kaguya (SELENE), Symposium: Magnetism from Space to Atom, 2017.02.
29. M. Nishino, Y. Saito, H. Tsunakawa, Y. Miyake, Y. Harada, S. Yokota, F. Takahashi, M. Matsushima, H. Shibuya, H. Shimizu, Diamagnetic effect in the foremoon solar wind observed by Kaguya, AGU Fall Meeting, 2016.12.
30. M. Motoyama, H. Tsunakawa, F. Takahashi, Possible tidal resonance of the early Earth’s ocean due to the lunar orbit evolution, AGU Fall Meeting, 2016.12.
31. F. Takahashi, Effects of a stably stratified layer on dynamos driven by double diffusive convection, AGU Fall Meeting, 2016.12.
32. F. Takahashi, M. Matsushima, Mercury's magnetic field model required to infer core dynamics, BepiColombo 14th Science Working Team Meeting, 2016.11.
33. F. Takahashi, Dynamos driven by double diffusive convection with a stably stratified layer and inhomogeneous core-mantle boundary heat flow, SEDI Symposium, 2016.07.
34. Futoshi Takahashi, Long-term secular variation in dynamo simulations, Japan Geoscience Union Meeting, 2016.05.
35. M. N. Nishino, Y. Saito, H. Tsunakawa, Y. Harada, Y. Tsugawa, F. Takahashi, S. Yokota, M. Matsushima, H. Shibuya, H. Shimizu, Kaguya observations of the lunar wake in the terrestrial foreshock, EGU General Assembly, 2016.04.
36. Masaki Nishino, Yoshifumi Saito, Hideo Tsunakawa, Masaki Fujimoto, Yuki Harada, Yasunori Tsugawa, Futoshi Takahashi, Shoichiro Yokota, Masaki Matsushima, Hidetoshi Shibuya,Hisayoshi Shimizu, Kaguya observations of the lunar wake in the terrestrial foreshock, AGU Fall Meeting, 2015.12.
37. 高橋 太, 綱川 秀夫, 清水 久芳, 渋谷 秀俊, 松島 政貴, Dynamos in small objects: Mercury, Moon and Ganymede, 月惑星シンポジウム, 2015.07.
38. Futoshi Takahashi, Numerical dynamo simulations and magnetic field observations of the Earth, Moon and planets to infer core dynamics, 26th IUGG General Assembly, 2015.06.
39. Futoshi Takahashi, Dynamo model explanation for Mercury’s unusual magnetic field, MESSENGER-BepiColombo Joint Science Meeting, 2015.06.
40. M. Yamaguchi, H. Tsunakawa, F. Takahashi, Magnetic anomaly mapping on the Martian surface with the SVM method, Japan Geoscience Union Meeting, 2015.05.
41. Futoshi Takahashi, On the origin of a stably stratified layer below the CMB inferred from dynamo models, Japan Geoscience Union Meeting, 2015.05.
42. Masaki Nishino, Yoshifumi Saito, Hideo Tsunakawa, Futoshi Takahashi, Masaki Fujimoto, Shoichiro Yokota, Yuki Harada, Masaki Matsushima, Hidetoshi Shibuya, Hisayoshi Shimizu, Electrons on closed field lines of lunar crustal fields in the solar wind wake, 2014 Fall Meeting, 2014.12.
43. Yasunori Tsugawa, Yuto Kato, Naoki Terada, Hideo Tsunakawa, Futoshi Takahashi, Hidetoshi Shibuya, Hisayoshi Shimizu, Masaki Matsushima, Group-standing whistler-mode waves observed as 1 Hz waves in the solar wind, AGU Chapman Conference, 2014.09.
44. Futoshi Takahashi, Tomoko Nakagawa, Hideo Tsunakawa, Hidetoshi Shibuya, Hisayoshi Shimizu, Masaki Matsushima, Yoshifumi Saito, ULF/ELF Waves Detected by MAP/LMAG Magnetometer Onboard Kaguya around the Moon and in the Lunar Wake, AGU Chapman Conference, 2014.09.
45. Futoshi Takahashi, Hideo Tsunakawa, Hisayoshi Shimizu, Hidetoshi Shibuya, Masaki Matsushima, An ancient core dynamo and true polar wander on the early Moon deduced from the lunar magnetic anomalies, The 14th Symposium of Study of the Earth's Deep Interior, 2014.08.
46. Futoshi Takahashi, Double diffusive convection in the Earth’s core and the morphology of the geomagnetic field, The 14th Symposium of Study of the Earth's Deep Interior, 2014.08.
47. Tomoko Nakagawa, Tatsuya Nakashima, Takuya Wada, Hideo Tsunakawa, Futoshi Takahashi, Hidetoshi Shibuya, Hisayoshi Shimizu, Masaki Matsushima, Yoshifumi Saito, ELF Waves Detected by MAP/LMAG Magnetometer Onboard Kaguya in the Deepest Lunar Wake Associated with the Type-II Entry of the Solar Wind Ions, AOGS 2014, 2014.07.
48. Masaki Nishino, Masaki Fujimoto, Yoshifumi Saito, Hideo Tsunakawa, Yoshiya Kasahara, Mariko Kawamura, Masaki Matsushima, Futoshi Takahashi, Hidetoshi Shibuya, Hisayoshi Shimizu, Yoshitaka Goto, Kozo Hashimoto, Yoshiharu Omura, Atsushi Kumamoto, Takayuki Ono, Shoichiro Yokota, Type-II entry of solar wind protons into the lunar wake: Effects of magnetic connection to the night-side surface, EGU General Assembly 2014, 2014.04.