A machine learning approach for the hydrogeological characterization based on quartz index: Application to the Hachimantai geothermal field, Japan

Kazuya Ishitsuka1, Hiroki Ojima2, Toru Mogi3, Koichi Suzuki2, Takeshi Sugimoto4 and Tatsuya Kajiwara5, (1)Kyoto University, Department of Urban Management, Kyoto, Japan, (2)Hokkaido University, Sapporo, Japan, (3)Hokkaido Univ, Sapporo, Japan, (4)Geothermal Engineering Co., Ltd., Iwate, Japan, (5)Geothermal Engineering Co., Ltd, Iwate, Japan