書誌事項
- タイトル別名
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- FUNDAMENTAL STUDY ON NUMERICAL METHOD FOR INVERSE PROBLEMS OF GROUNDWATER FLOW IN NONHOMOGENEOUS GROUND
- フキンシツ ジバン ニ オケル シントウリュウ ノ ギャク モンダイ カイセキ
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It is not easy to measure parameters of porous geologic media. Laboratory permeability tests do not always represent the actual system of the complex fields. In-situ well drawdown tests are favorably used to get the hydraulic parameters of the subsurface ground, although they are rather expensive. What is needed is an analytical procedure which permits a determination of those parameters reflecting the effect of their values as a function of time and space. This paper describes a numerical procedure to predict an average permeabilities of nonhomogeneous grounds with easily measurable time-history of groundwater levels at observation wells. The permeabilities are back-analysed from unsteady flow caused by water drawdown in the wells or excavation regions. Geometry characteristics (region boundaries) are determined Akaike's information criteria which estimates the maximum likelihood of the system.
収録刊行物
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- 土木学会論文集
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土木学会論文集 1986 (376), 121-130, 1986-12-20
公益社団法人 土木学会
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詳細情報
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- CRID
- 1390282680577908352
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- NII論文ID
- 130003799355
- 40004505522
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- NII書誌ID
- AN10014020
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- ISSN
- 18827187
- 02897806
- http://id.crossref.org/issn/02897806
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- NDL書誌ID
- 3115497
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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