*Shinsuke Aoki¹, Shujiro Komiya², Kosuke Noborio³, Ryo Matsumoto⁴ (1.Graduate School of Agriculture, Meiji Universiy, 2.Max Planck Institute, 3.School of Agriculture, Meiji Universiy, 4.Gas Hydrate Laboratory - Meiji University Organization for the Strategic Coordination of Research and Intellectual Property)

*Hitoshi Tomaru¹, Ryo Matsumoto² (1.Department of Earth Sciences, Chiba University, 2.Gas Hydrate Research Laboratory, Meiji University)

*Naoto Ishida¹, Shota Morihita², Takao Ebinuma¹, Hitoshi Tomaru³, Ryo Matsumoto⁴ (1.Social Systems and Civil Engineering, Graduate School of Engineering, Tottori University, 2.Department of Social Systems and Civil Engineering, Faculty of Engineering, Tottori University, 3.Department of Earth Sciences, Faculty of Science, Chiba University, 4.Gas Hydrate Research Laboratory, Organization for the Strategic Coordination of Research and Intellectual Properties, Meiji University )

*Ryo Matsumoto¹, Tomoko Fukazawa², Akihiro Hiruta¹, Glen Snyder¹ (1.Organization for the Strategic Laboratory of Research and Intellectual Properties, Meiji University, 2.Department of Applied Chemistry, School of Science and Technoloty, Meiji University)

*Akihiro Hachikubo¹, Jumpei Matsuda¹, Satoshi Yamashita¹, Hirotoshi Sakagami¹, Masaaki Konishi¹, Hirotsugu Minami¹, Kenji Nishina², Kenji Sakaguchi³ (1.Kitami Institute of Technology, 2.Geological Survey of Hokkaido, Hokkaido Research Organization, 3.Kushiro Fisheries Research Institute, Hokkaido Research Organization)

*LUCIA ALEJANDRA VILLAR MUNOZ¹, IVAN VARGAS-CORDERO², JOAQUIM P. BENTO³, JAN BEHRMANN¹, UMBERTA TINIVELLA⁴, MICHELA GIUSTINIANI⁴ (1.Helmholtz Centre for Ocean Research, 2.Universidad Andres Bello , 3.Pontificia Universidad Catolica de Valparaiso, 4.Istituto Nazionale di Oceanografia e di Geofisica Sperimentale )