| Project/Area Number |
05650960
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| Research Category |
Grant-in-Aid for General Scientific Research (C)
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| Allocation Type | Single-year Grants |
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| Research Field |
資源開発工学
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| Research Institution | KYUSHU UNIVERSITY |
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Principal Investigator |
YAMASHITA Akio Kyushu Univ.Minining, Reserch Associate, 工学部, 助手 (20037790)
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| Project Period (FY) |
1993 – 1994
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| Project Status |
Completed (Fiscal Year 1994)
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| Budget Amount *help |
¥2,300,000 (Direct Cost: ¥2,300,000)
Fiscal Year 1994: ¥1,100,000 (Direct Cost: ¥1,100,000)
Fiscal Year 1993: ¥1,200,000 (Direct Cost: ¥1,200,000)
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| Keywords | Coal mine water / Groundwater / Coal mine / Enviroonmental pollution / 古洞水 / 石炭鉱害 / 地下水質源 / 石炭鉱業 / 水質源 |
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| Research Abstract |
Writer has been engaged in surveying "Akamizu" by hydrogeological and geochemical method during two years from April 1993 to March 1995.
In this paper, he compares old and new Akamizu in chemical component and estimates for natural purification on Akamizu. Old data were obtained twenty years ago 2 or 3 years after all coal mines were closed in Chikuho coal field.
As a result, in old data, almost all Akamizu springs showed more than 1000 muS/cm in electrical conductivity, in new data, a half of springs showed less than 1000 muS/cm. And a quarter of springs appeared to be surface water in chemical properties.
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