"Masaki Matsushima","Effect of core electrical conductivity on core surface flow models",,"Earth, Planets and Space",,"Vol. 72",,,2020,Nov. "Yuki Nishida,Yuto Katoh,Hiroaki Matsui,Masaki Matsushima,Atsushi Kumamoto","Effects of thermal boundary conditions for cooling from CMB on geodynamo with various Rayleigh numbers and inner core radii","第148回 地球電磁気・地球惑星圏学会 講演会",,,,,,2020,Nov. "Minami, T.,S. Nakano,V. Lesur,F. Takahashi,M. Matsushima,H. Shimizu,R. Nakashima,H. Taniguchi,H. Toh","A candidate secular variation model for IGRF-13 based on MHD dynamo simulation and 4DEnVar data assimilation",,"Earth, Planets and Space",,"Vol. 72",,,2020,Sept. "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,July "Yuki Nishida,Yuto Katoh,Hiroaki Matsui,Masaki Matsushima,Atsushi Kumamoto","Effects of thermal boundary conditions on geodynamo with various Rayleigh numbers and inner core radii","JpGU-AGU Joint Meeting 2020",,,,,,2020,July "Takuto Minami,Shin'ya Nakano,Vincent Lesur,Futoshi Takahashi,Masaki Matsushima,Hisayoshi Shimizu,Ryosuke Nakashima,Hinami Taniguchi,Hiroaki Toh","Contribution to IGRF-13 from Japan: A secular variation model using a numerical dynamo model and data assimilation method","JpGU-AGU Joint Meeting 2020",,,,,,2020,July "Masaki Matsushima","Elsasser number dependence of core surface flow models and its implications for long-term changes in core dynamics","JpGU-AGU Joint Meeting 2020",,,,,,2020,July "Masaki Matsushima,Hisayoshi Shimizu,Futoshi Takahashi,Takuto Minami,Shin'ya Nakano,Hiroaki Toh","Forecasts of geomagnetic secular variation using core surface flow models (2)","JpGU-AGU Joint Meeting 2020",,,,,,2020,July "Kara?, M.,Tank, S.B.,Ogawa, Y.,Oshiman, N.,Matsushima, M.,Honkura, Y.","Probing the relationship between electrical conductivity and creep through upper crustal fluids along the western part of the North Anatolian Fault with three-dimensional magnetotellurics",,"Tectonophysics",,,,,2020,July "Futoshi Takahashi,Shin'ya 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",,,,,,,2020,July "Shin'ya Nakano,Takuto Minami,Futoshi Takahashi,Masaki Matsushima,Hisayoshi Shimizu,Hiroaki Toh","Iterative ensemble variational methods and its appliction for the prediction of geomagnetic secular variation","JpGU-AGU Joint Meeting 2020",,,,,,2020,July "Shoichiro Yokota,K. Terada,Yoshifumi Saito,Daiba Kato,K. Asamura,M. N. Nishino,Hisayoshi Shimizu,Futoshi Takahashi,Hidetoshi Shibuya,Masaki Matsushima,Hideo Tsunakawa","KAGUYA observation of global emissions of indigenous carbon ions from the Moon",,"Science Advances",,"Vol. 6","no. 19",,2020,May "Nishino, M. N.,Y. Saito,H. Tsunakawa,Y. Harada,F. Takahashi,S. Yokota,M. Matsushima,H. Shibuya,H. Shimizu,Y. Miyashita","Decrease of the interplanetary magnetic field strength on the lunar dayside and over the polar region",,"Icarus",,"vol. 335",,,2020,Jan.