228Ra/226Ra activity ratio in groundwater around Mount Fuji, Japan
We estimated the groundwater age from 228Ra/226Ra ratios in young groundwater and relevant rocks in the volcanic area of the Kakitagawa River around Mount Fuji, Japan, and compared our results with those from 3H/3He age determination. The groundwater residence time estimated from the 228Ra/226Ra act...
Main Authors: | Tagami Keiko, Kubota Takumi, Mahara Yasunori, Miyakawa Kimio, Ohta Tomoko, Sato Jun |
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Format: | Article |
Language: | English |
Published: |
EDP Sciences
2012-04-01
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Series: | EPJ Web of Conferences |
Online Access: | http://dx.doi.org/10.1051/epjconf/20122403003 |
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