Research field (2)：
Atmospheric and hydrospheric science
, Solid earth science
Research keywords (5)：
Groundwater
, Dating of groundwater
, Fracture
, Fracture
, Water Resources
Research theme for competitive and other funds (5)：
2018 - Geogenic groundwater contamination
Permeability research in fractured hard rock
Dating of young groundwater
Bacteria activity in water
Hydrology, hydro-chemistry and hydro-geology in watershed
Papers (46)：
Shinji Nakaya, Ryogo Takada, Jun Yasumoto, Harue Masuda, Junichi Yoshitani, Ryuichi Shinjoh, Innocent Lugodisha, Hans Komakech. Effect of groundwater residence time on geogenic fluoride release into groundwater in the Mt. Meru slope area, Tanzania, the Great Rift Valley, East Africa. Journal of Contaminant Hydrology. 2023. 253. 104125-104125
Hiroyuki Nakayama, Yasumasa Yamasaki, Shinji Nakaya. Effect of hydrogeological structure on geogenic fluoride contamination of groundwater in granitic rock belt in Tanzania. Journal of Hydrology. 2022. 612. 128026
Tomohiro Toki, Hina Kataoka, Ryogo Takada, Shinji Nakaya, Syogo Oshima, Akira Ijiri. Spring discharge mechanism along the southeast coast of Yonaguni Island in the southern Ryukyu forearc. Journal of Hydrology: Regional Studies. 2022. 40. 101051
Shinji Nakaya, Aiko Yamamoto, Takuma Kawanishi, Noriyuki Toya, Hiroki Miyakawa, Kenji Takeuchi, Morinobu Endo. Detection of dynamic biofouling from adenosine triphosphatemeasurements in water concentrated from reverse osmosis desalinationof seawater. Desalination. 2021. 518. 115286
