*Yoshihiro Nakamura¹, Koji U. Takahashi¹ (1. Geological Survey of Japan, AIST (Japan))

*Lin Wu^1,2,3, Guowei Shi^4,5, Yasong Li⁴, Xiangke Kong⁴, Erping Bi⁵ (1. College of Water Resources, North China University of Water Resources and Electric Power (China), 2. Key Laboratory of Water and Soil Resources Conservation and Restoration in the Middle and Lower Reaches of Yellow River Basin, Ministry of Natural Resources (China), 3. Henan Key Laboratory of Water Resources Conservation and Intensive Utilization in the Yellow River Basin (China), 4. Institute of Hydrogeology and Environmental Geology, Chinese Academy of Geological Sciences (China), 5. School of Water Resources and Environment, China University of Geosciences (Beijing) (China))

*Chenxin Zhou¹, Zhaohui Tang¹, Aiguo Zhou¹ (1. CHINA UNIVERSITY OF GEOSCIENCES (China))

*Yuki Inoue¹, Ryoji Tanaka^2,3, Takashi Ishibashi⁴, Akihito Hagiwara (1. Kyushu University (Japan), 2. Sagami Chemical Research Institute (Japan), 3. Tokai University (Japan), 4. Osaka University (Japan))