WEKO3
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Stratigraphic Analysis of Firn and Ice at Mizuho Station
https://nipr.repo.nii.ac.jp/records/916
https://nipr.repo.nii.ac.jp/records/916452492de-285d-44e1-9ad7-2ed39753edad
名前 / ファイル | ライセンス | アクション |
---|---|---|
KJ00000011464 (3.8 MB)
|
Item type | 紀要論文(ELS) / Departmental Bulletin Paper(1) | |||||
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公開日 | 1978-12-01 | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | Stratigraphic Analysis of Firn and Ice at Mizuho Station | |||||
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 | departmental bulletin paper | |||||
ページ属性 | ||||||
内容記述タイプ | Other | |||||
内容記述 | P(論文) | |||||
著者名(英) |
Watanabe, Okitsugu
× Watanabe, Okitsugu× Kato, Kikuo× Satow, Kazuhide× Okuhira, Fumio |
|||||
著者所属(英) | ||||||
en | ||||||
Water Research Institute, Nagoya University/Water Research Institute, Nagoya University/Nagaoka Technical College/Gifu Prefectural Institute for Environmental Pollution/The Institute of Low Temperature Science, Hokkaido University | ||||||
抄録(英) | ||||||
内容記述タイプ | Other | |||||
内容記述 | Stratigraphy of the 150-m core from Mizuho Station, Antarctica, is studied with visual observation as well as with analysis of density and oxygen isotope profiles. Stratigraphic structures are well preserved to a depth of 70m. Considerably deviated values of density from the average depth-density curve serve as one of good indicators of the texture of initially deposited snow. From stratigraphic interpretation about 10.6g/(cm)^2 is estimated as the mean annual accumulation. With this value the age of the lowermost part of the 150-m core is estimated to be some 1100 years B. P. excluding the periods of hiatus of annual layers. In the δ^<18>O profile to the depth of 60m, the smallest peak indicating the coldest climate is seen at a depth of 32m which is dated back to some 200 years B.P. Comparison of the δ^<18>O profile in the Mizuho core with that in the Camp Century core indicates that the period of hiatus of annual layers is about one-third of the real duration of the core formation and the mean annual accumulation is about two-thirds of 10.6g/(cm)^2 at Mizuho Station in the past 300 years. | |||||
雑誌書誌ID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA00733561 | |||||
書誌情報 |
Memoirs of National Institute of Polar Research. Special issue 巻 10, p. 25-47, 発行日 1978-12 |