*Yuki Hayashi1, Ryuho Kataoka2, Kazuoki Munakata1, Chihiro Kato1, Masayoshi Kozai3, Akira Kadokura3,4, Kazumasa Iwai5, Hiroaki Menjo5
(1. Shinshu University, 2. Okinawa Institute of Science and Technology, 3. Polar Environment Data Science Center, Joint Support-Center for Data Science Research, Research Organization of Information and Systems, 4. National Institute of Polar Research, 5. Institute for Space-Earth Environmental Research, Nagoya University)
Keywords:Large Forbush decrease, Galactic cosmic rays, Solar wind parameters, Nagoya Muon detector