幌延深地層研究計画における地下水・間隙水の地球化学的特性調査; HDB-1sim8孔の地球化学データセットの品質評価

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Author: 國丸貴紀ほか

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Publication date: 2011-06

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Note (General)：: Work has been currently ongoing to establish an appropriate quality management system (QMS), which is applicable to all aspects of the site characteri...

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Summary, etc.：: Work has been currently ongoing to establish an appropriate quality management system (QMS), which is applicable to all aspects of the site characteri...

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Material Type: 文書・図像類
Title: 幌延深地層研究計画における地下水・間隙水の地球化学的特性調査; HDB-1sim8孔の地球化学データセットの品質評価
Author/Editor: 國丸貴紀
太田久仁雄
Alexander, W. R.
山本肇
Author Heading: 國丸貴紀
太田久仁雄
Alexander, W. R.
山本肇
Publication Date: 2011-06
Publication Date (W3CDTF): 2011-06
Alternative Title: Groundwater/porewater hydrochemistry at Horonobe URL; Data freeze II; Preliminary data quality evaluation for boreholes HDB-1 to 8
Periodical title: JAEA-Research 2011-010
Text Language Code: eng
Target Audience: 一般
Note (General): Work has been currently ongoing to establish an appropriate quality management system (QMS), which is applicable to all aspects of the site characterisation process, in the Horonobe Underground Research Laboratory project. A quality assurance (QA) audit of hydrochemical datasets for JAEA's deep boreholes HDB-1 to HDB-8 was carried out, along similar lines to that of the previous study for boreholes HDB-9 to HDB-11, by applying both the groundwater QA methodology employed in the recent site assessments in Sweden and a porewater QA regime proposed in this study. The results of the QA audit indicated that data were classified into low QA categories because mainly of a lack of relevant information, such as the records of groundwater sampling, which are necessary for more fully assessing the data quality. As such, a formalised field manual for hydrochemical sampling was developed. In addition, work to further improve the site characterisation QMS progressed.
幌延深地層研究計画では、地質環境調査・評価において不可欠なツールの一つである品質マネジメントシステムの整備を進めている。これまでに地上からのボーリング調査(HDB-1$\sim$8孔)で取得された間隙水と地下水の地球化学データセットを対象に、国外のサイト特性調査において適用された地下水水質データの品質保証の手法に加え、新たに提案した間隙水水質データの品質保証の指針を適用して品質評価を実施した。その結果、過去に実施したHDB-9$\sim$11孔の品質評価の結果と同様に、9割以上のデータが低品質のカテゴリーに分類された。この主な原因として、品質評価に必要な情報が残されていないことが挙げられたことから、データ取得時の作業の品質管理を目的として「採水調査における現場品質マニュアル(第1版)」を作成した。これと併せて、サイト特性調査に必要な品質評価における基準の明確化に向けた取り組みも実施した。
Source: /JAEA-Research-2011-010.pdf （fulltext）
https://jopss.jaea.go.jp/pdfdata/JAEA-Research-2011-010.pdf
Access Restrictions: 限定公開
Data Provider (Database): 国立情報学研究所 : 学術機関リポジトリデータベース（IRDB）（機関リポジトリ）
https://irdb.nii.ac.jp
Original Data Provider (Database): 日本原子力研究開発機構 : JOPSS:JAEA Originated Papers Searching System