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Kosaka, Hiroshi; Saegusa, Hiromitsu; Kusano, Tomohiro; Yasue, Kenichi; Takeuchi, Ryuji; Tajikara, Masayoshi*; Onoe, Hironori*; Shiomi, Tetsuya*
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no abstracts in English
Nanjo, Isao; Kunimaru, Takanori; Iwatsuki, Teruki; Hosoya, Shinichi*; Morikawa, Keita*
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The instrument for groundwater monitoring technique, which can continuously monitor the pore water pressure and physico-chemical parameters has developed, to monitor the hydrological and geochemical disturbances caused by underground facility construction. The pore water pressure was observed almost the same value after the circulation for the measurement of physico-chemical parameters. It was able to be confirmed that the continuous measurement for physico-chemical parameters doesn't influence the observation of pore water pressure.
He, 
Cl at Horonobe area, HokkaidoNakata, Kotaro*; Hasegawa, Takuma*; Iwatsuki, Teruki
no journal, ,
Groundwater residence time were inferred by He, Cl at Horonobe area, Hokkaido, Japan. Both estimated value based on He and Cl range from 2Ma to 10Ma for the groundwater deeper than -250m S.L. Those values correspond to sedimentation age of rock formations. This indicates the possibility that the groundwaters are in stagnant condition since sedimentation.
Onoe, Hironori*; Shiomi, Tetsuya*; Kusano, Tomohiro; Yasue, Kenichi; Kosaka, Hiroshi; Saegusa, Hiromitsu; Takeuchi, Ryuji; Tajikara, Masayoshi*
no journal, ,
To study the methodology for estimation of the influence of long-term topographic and climate change on deep groundwater flow condition, we estimated of paleo-topography and paleo-climate for past several hundred thousand years based on data from research and field investigations and built geological structured model that considered paleo-topography distribution in case of Gifu Tono area. As a result, we showed technique to restore paleo-topography distribution for three dimensions from fluvial terrace surface data dotted along a river in utilizing DEM data and GIS. In addition, we showed estimate method of climate of glacial epoch and quantity of cultivation of groundwater by near-surface hydrological observation data, pollen fossil analysis and expenditure calculation based on them. Furthermore, we built three-dimensional geological structured model that was base on carrying out groundwater flow analysis by utilizing bygones information.
Kageyama, Soichiro*; Ikeda, Makoto*; Tomiyama, Shingo*; Takeuchi, Ryuji; Kosaka, Hiroshi
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no abstracts in English
Imai, Hisashi*; Shiozaki, Isao*; Yamashita, Ryo*; Maekawa, Keisuke; Niizato, Tadafumi
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no abstracts in English
Maekawa, Keisuke; Saegusa, Hiromitsu; Inaba, Kaoru*; Shimogochi, Takafumi*
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no abstracts in English
Yabuuchi, Satoshi; Kunimaru, Takanori
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no abstracts in English
Takeda, Masaki; Takeuchi, Ryuji; Kosaka, Hiroshi; Oyama, Takuya; Keya, Hiromichi
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no abstracts in English
Keya, Hiromichi; Takeda, Masaki; Takeuchi, Ryuji
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no abstracts in English
Komatsu, Mitsuru*; Nishigaki, Makoto*; Seno, Shoji*; Hirata, Yoichi*; Kunimaru, Takanori
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no abstracts in English
Yokota, Hideharu; Yamamoto, Yoichi; Maekawa, Keisuke
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Yamamoto, Yoichi; Yokota, Hideharu; Maekawa, Keisuke
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