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A simulation study of aqueous and gas phase DNAPL migration in shallow unsaturated land elements
https://sucra.repo.nii.ac.jp/records/14348
https://sucra.repo.nii.ac.jp/records/1434868f0233b-a3df-4030-8f57-c47d3f6ad8ed
名前 / ファイル | ライセンス | アクション |
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A1002615.pdf (1.6 MB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2008-04-21 | |||||
タイトル | ||||||
タイトル | A simulation study of aqueous and gas phase DNAPL migration in shallow unsaturated land elements | |||||
言語 | ||||||
言語 | eng | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
資源タイプ | journal article | |||||
著者 |
Rabindra, Raj, GIRI
× Rabindra, Raj, GIRI× 佐藤, 邦明× WADA, Akira× TAIKANO, Yasuhide× SASAKI, Takashi |
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著者 ローマ字 | ||||||
Rabindra, Raj, GIRI | ||||||
著者 ローマ字 | ||||||
Sato, Kuniaki | ||||||
著者 ローマ字 | ||||||
WADA, Akira | ||||||
著者 ローマ字 | ||||||
TAIKANO, Yasuhide | ||||||
著者 ローマ字 | ||||||
SASAKI, Takashi | ||||||
著者 所属 | ||||||
著者 所属 | ||||||
埼玉大学地圏科学研究センター | ||||||
著者 所属(別言語) | ||||||
著者 所属(別言語) | ||||||
Geosphere Research Institute, Saitama University | ||||||
書誌情報 |
Journal of Hydroscience and Hydraulic Engineering JSCE 巻 20, 号 2, p. 51-69, 発行日 2002 |
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年月次 | ||||||
2002-9 | ||||||
出版者名 | ||||||
出版者 | 社団法人土木学会 | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 09122508 | |||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | Knowledge of DNAPL migration behaviours in shallow unsaturated land elements might be useful in characterizing and deciding suitable remediation techniques for DNAPL contaminated sites. One-dimensional simulations of simultaneous heat, moisture, and gas and aqueous phases DNAPL transport in soil due to diurnal land-atmosphere interactions was carried out The top 0.11-m soil was initially contaminated with uniform DNAPL concentrations in aqueous and gas phases. Two cases of moisture content scenario were presented in the simulations. The results indicated that vegetation cover played significant roles in soil heat and moisture budgets in addition to soil composition and their properties. Vegetation cover significantly reduced the incoming solar radiation to the ground surface resulting to smaller diurnal fluctuations in soil temperature and moisture contents in vegetated lands. The decrease in aqueous phase DNAPL concentrations in the contaminated soil layer and the downward migration depths were relatively bigger in vegetated lands. Rainfall percolation further reduced diurnal soil moisture fluctuations resulting to bigger aqueous phase DNAPL migration depths. Gas phase DNAPL exhibited bigger vertical spreading tendency. Further investigations including other process in the contaminant transport equations, and sensitivity analyses on their relative importance would provide more insight in the matter. | |||||
版 | ||||||
[出版社版] | ||||||
著者版フラグ | ||||||
出版タイプ | VoR | |||||
出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 | |||||
資源タイプ | ||||||
内容記述タイプ | Other | |||||
内容記述 | text | |||||
フォーマット | ||||||
内容記述タイプ | Other | |||||
内容記述 | application/pdf | |||||
作成日 | ||||||
日付 | 2008-04-21 | |||||
日付タイプ | Created | |||||
アイテムID | ||||||
A1002615 |