書誌事項
- タイトル別名
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- High-temperature Anomaly of Groundwater and Stable Carbon Isotope Ratio of Total Carbonic Acid in and around Kobe City
- コウベシ シュウヘン ノ コウオン チカスイ イジョウ ト ゼン タンサン ノ
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This paper outlines the water chemistry and stable carbon isotopes of water collected from Kobe city and an adjacent area where the so-called seismic damage belt appeared due to the Southern Hyogo Prefectural Earthquake of 1995. Based on the borehole data, a high-temperature anomaly of groundwater is recognized in Kobe and Amagasaki, trending in a northeast to southwest direction. This direction roughly coincides with that of active faults around the Rokko Mountains.<br> From the water chemistry, Cl ion and total CO2 are relatively rich in high-temperature groundwater, which resembles the typical features of hot water from the Arima Hot Springs about 10 km north of downtown Kobe. Furthermore, the values of the stable carbon isotope ratio (δ13C) indicate that the high-temperature groundwater contains carbonate originating from the hot water of deeper aquifers. It is inferred that a hot water reservoir underlies the Kobe area and that the high-temperature anomaly of groundwater is formed by a mixture of shallow groundwater and deep hot water ascending through unknown concealed faults.
収録刊行物
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- Geographical Review of Japa,. Ser. A, Chirigaku Hyoron
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Geographical Review of Japa,. Ser. A, Chirigaku Hyoron 69 (7), 493-503, 1996
公益社団法人 日本地理学会
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詳細情報
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- CRID
- 1390001205424295936
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- NII論文ID
- 110000521464
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- NII書誌ID
- AN1016484X
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- ISSN
- 21851735
- 00167444
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- NDL書誌ID
- 3983112
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- データソース種別
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- JaLC
- NDL
- Crossref
- CiNii Articles
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- 抄録ライセンスフラグ
- 使用不可