1. Institute of Environmental Informatics, IDEA Consultants Inc., 2-2-2 Hayabuchi, Tsuzuki-ku, Yokohama 224-0025, Kanagawa, Japan
2. Sagami Railway Co., Ltd., 2-9-14 Kitasaiwai, Nishi-ku, Yokohama 220-0004, Kanagawa, Japan
3. Japan Sediments Management Association, 3-10-9 Irifune, Chuou-ku 104-0042, Tokyo, Japan
4. Marine Environment Control System Department, Port and Airport Research Institute, 3-1-1 Nagase, Yokosuka 239-0826, Kanagawa, Japan
5. Estuary Research Center, Shimane University, 1060 Nishikawatsu, Matsue 690-8504, Shimane, Japan
6. Department of Transdisciplinary Science and Engineering, Tokyo Institute of Technology, 4259 Nagatsuta-cho, Midori-ku, Yokohama 226-8503, Kanagawa, Japan