Magnetic properties of surficial sediments in Lake Ogawara on the Pacific coast of northeastern Japan : spatial variability and correlation with brackish water stratification

• 資料種別: 記事
• タイトル: Magnetic properties of surficial sediments in Lake Ogawara on the Pacific coast of northeastern Japan : spatial variability and correlation with brackish water stratification
• 著者・編者: Akira Hayashida; Ryoma Nakano; Aya Nagashima
• 出版事項: 日本 : Springer science+business media
• 出版年月日等: 2015-10-23
• 出版年（W3CDTF）: 2015-10-23
• タイトル（掲載誌）: EPS : Earth, Planets and Space
• 巻号年月日等（掲載誌）: 67(171)
• 掲載巻: 67(171)
• ISSN（掲載誌）: 1880-5981
• ISSN-L（掲載誌）: 1343-8832
• 本文の言語コード: eng
• DOI: 10.1186/s40623-015-0343-7; https://doi.org/10.1186/s40623-015-0343-7
• 国立国会図書館永続的識別子: info:ndljp/pid/9772865; https://dl.ndl.go.jp/pid/9772865
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• コレクション（個別）: 国立国会図書館デジタルコレクション > 電子書籍・電子雑誌 > その他; https://dl.ndl.go.jp/collections/B00035
• 収集根拠: オンライン資料収集制度
• 受理日（W3CDTF）: 2016-02-03T17:25:14+09:00
• 保存日（W3CDTF）: 2015-12-20
• 記録形式（IMT）: application/pdf
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• 連携機関・データベース: 国立国会図書館 : 国立国会図書館デジタルコレクション; https://dl.ndl.go.jp

• 要約等: To examine limnological conditions in Lake Ogawara on the Pacific coast of northwestern Japan, we investigated the magnetic properties of dredged bottom sediment originally collected from the lake in the summer of 2011. We used non-destructive methods to measure the low-field magnetic susceptibility shortl after sampling, and anhysteretic remanent magnetization (ARM) was assessed in 2012 and 2015. The ARM acquisition and demagnetization curves from littoral sites showed several patterns that reflect the provenance of the sediments. At water depths below 10 m, the magnetic susceptibility and ARM of greenish black mud with high organic content decreased considerably with the increase in water depth, but ARM increased slightly at water depths greater than 16 m. We also found that the magnetic concentrations of mud samples were reduced markedly during a period of storage for about 3 years. We attributed these reductions to diagenetic loss of magnetic minerals, which had been enhanced at deeper sites. It is possible that the ARM carriers in deeper areas were derived from authigenic formation of iron sulfide or from deposition of suspended matter in the hypolimnion water. We propose that the magnetic properties of surficial sediments are controlled by limnological stratification of the brackish lake water, thus possibly providing an analog for down-core variations of magnetic parameters associated with the modification of magnetic minerals during reductive diagenesis.
• DOI: 10.1186/s40623-015-0343-7; https://doi.org/10.1186/s40623-015-0343-7
• オンライン閲覧公開範囲: インターネット公開
• 著作権情報: © 2015 Hayashida et al. Open Access This article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made.
• 関連情報: Magnetic properties of surficial sediments in Lake Ogawara on the Pacific coast of northeastern Japan: spatial variability and correlation with brackish water stratification; https://cir.nii.ac.jp/crid/2120589365000619264
• 関連情報（URI）: https://naruto.repo.nii.ac.jp/records/23654; http://id.ndl.go.jp/digimeta/9772865; https://dl.ndl.go.jp/pid/9772865; http://link.springer.com/content/pdf/10.1186/s40623-015-0343-7.pdf; http://link.springer.com/article/10.1186/s40623-015-0343-7/fulltext.html; http://link.springer.com/content/pdf/10.1186/s40623-015-0343-7
• 参照: Special issue on "recent advances in environmental magnetism and paleomagnetism"; https://cir.nii.ac.jp/crid/2050870367122687616
• 参照: Origin of the sedimentary magnetic record at Ocean Drilling Program Sites on the Owen Ridge, western Arabian Sea; https://cir.nii.ac.jp/crid/1360011144106827776; Rapid Prediction of past Climate Condition from Lake Sediments by Near-Infrared (NIR) Spectroscopy; https://cir.nii.ac.jp/crid/1360567187397082112; Magnetite diagenesis in marine sediments from the Oregon continental margin; https://cir.nii.ac.jp/crid/1361137045245285632; Analysis of isothermal remanent magnetization acquisition curves using the expectation-maximization algorithm; https://cir.nii.ac.jp/crid/1361418520213058816; Mineral magnetic properties of Holocene lake sediments and soils from the Kårsa valley, Lappland, Sweden, and their relevance to palaeoenvironmental reconstruction; https://cir.nii.ac.jp/crid/1361418520771249408; Diagenesis of magnetic minerals in the recent sediments of a eutrophic lake; https://cir.nii.ac.jp/crid/1362262944273386112; Storage diagenesis versus sulphide authigenesis: possible implications in environmental magnetism; https://cir.nii.ac.jp/crid/1362262945794839296; Reductive diagenesis, magnetite dissolution, greigite growth and paleomagnetic smoothing in marine sediments: A new view; https://cir.nii.ac.jp/crid/1362544420134467328; Identification of ferromagnetic minerals in a rock by coercivity and unblocking temperature properties; https://cir.nii.ac.jp/crid/1362544421155486976; Diagenetic magnetic enhancement of sapropels from the eastern Mediterranean Sea; https://cir.nii.ac.jp/crid/1362825895428992768; Impact of early diagenesis and bulk particle grain size distribution on estimates of relative geomagnetic palaeointensity variations in sediments from Lama Lake, northern Central Siberia; https://cir.nii.ac.jp/crid/1363107370830316672; A stable chemical remanence in Holocene sediments; https://cir.nii.ac.jp/crid/1363951793315832960; Quantification of magnetic coercivity components by the analysis of acquisition curves of isothermal remanent magnetisation; https://cir.nii.ac.jp/crid/1364233269739981568; Magnetic intencity loss and core diagenesis in long-core samples from the East Cortez and the San Nicolas Basin(California Borderland); https://cir.nii.ac.jp/crid/1390001206510004096; Rock magnetism of sediments in the Angola-Namibia upwelling system with special reference to loss of magnetization after core recovery; https://cir.nii.ac.jp/crid/1390282681487921152; Characterizing magnetic mineral assemblages of surface sediments from major Asian dust sources and implications for the Chinese loess magnetism; https://cir.nii.ac.jp/crid/2050870367119583232
• 連携機関・データベース: 国立情報学研究所 : CiNii Research; https://cir.nii.ac.jp/
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• 書誌ID（NDLBibID）: 9772865; http://id.ndl.go.jp/bib/9772865
• NII論文ID: 120006553098