島根大学総合理工学部地球資源環境学教室
ISSN:1343-9774
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島根大学地球資源環境学研究報告 20
2001-12-28 発行
大根島淡水レンズの動態観測とトリチウム濃度
Long-term observation of the behavior of the freshwater-lens in Daikonjima lsland and tritium concentration in the groundwater
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内容記述（抄録等）
The gmundwater in Daikonjima island in Shimane prefecture，southwest Japan were investigated for salinity and temperature using the long-term observation system“CT-sensor”．Tritium concentrations of the groundwater supported the interpretation of the freshwater-lens behavior．Bottom fluctuation of the freshwater-lens was compared with tidal variation in Lake Nakaumi．Tidal effect was recognized in the intermediate zone below the freshwater-lens and above the high saline water．High tritium concentrations in the intermediate zone suggest the advection of new saline water from Lake Nakaumi．
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AA11455176
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