Reconnaissance of gas plumes offshore Sado Island

Hiroshi Fukuoka, Niigata University, Research Institute for Natural Hazards and Disaster Recovery, Niigata, Japan, Chiharu Aoyama, Tokyo University of Marine Science and Technology, Tokyo, Japan, Hiroaki Watanabe, Kyushu University, Faculty of Engineering, Fukuoka, Japan, Hiroyuki Komatsu, Niigata University, Faculty of Engineering, Niigata, Japan and Hideo Tajima, Niigata University, Graduate School of Science and Technology, Niigata, Japan