*Ugur Ozturk^1,2, Oliver Korup¹, Norbert Marwan², Hitoshi SAITO³, Jürgen Kurths^2,4 (1.Institute of Earth and Environmental Sciences, University of Potsdam, Germany, 2.Potsdam Institute for Climate Impact Research, Potsdam, Germany, 3.College of Economics, Kanto Gakuin University, Yokohama, Japan, 4.Department of Physics, Humboldt University, Berlin, Germany)

*Yasutaka Haneda¹, Takashi Oguchi², Yuichi S. Hayakawa², Hitoshi SAITO³, Shoichiro Uchiyama⁴ (1.Graduate School of Frontier Science, The University of Tokyo, 2.Center for Spatial Information Science, The University of Tokyo, 3.College of Economics, Kanto Gakuin University, 4.National Research Institute for Earth Science and Disaster Prevention)

*Yasutaka Haneda¹, Takashi Oguchi², Yuichi S. Hayakawa², Hitoshi SAITO³, Shoichiro Uchiyama⁴ (1.Graduate School of Frontier Science, The University of Tokyo, 2.Center for Spatial Information Science, The University of Tokyo, 3.College of Economics, Kanto Gakuin University, 4.National Research Institute for Earth Science and Disaster Prevention)