Optimization and Modeling of Extreme Freshwater Discharge from Japanese First-Class River Basins to Coastal Oceans

Ryusuke Kuroki1, Yosuke Alexandre Yamashiki2, Sergey Varlamov3, Yasumasa Miyazawa3, Hoshin Vijai Gupta4, Marie Fanny Racault5 and Josko Troselj6, (1)Kyoto University, Graduate School of Advanced Integrated Studies in Human Survivability, Kyoto, Japan, (2)Yamashiki Laboratory Graduate School of Advanced Integrated Studies in Human Survivability Kyoto University, Gokasho Uji, Japan, (3)JAMSTEC, Yokohama, Japan, (4)Department of Hydrology and Water Resources, University of Arizona, Tucson, AZ, United States, (5)Plymouth Marine laboratory, England, United Kingdom, (6)Kyoto University, Kyoto, Japan