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THE STATE OF MINOR CONSTITUENTS IN THE ANTARCTIC SNOW AND ICE
https://doi.org/10.15094/00003671
https://doi.org/10.15094/00003671ec56be7c-edb5-4eef-89b4-34a6a46a46d9
名前 / ファイル | ライセンス | アクション |
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Item type | 紀要論文(ELS) / Departmental Bulletin Paper(1) | |||||
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公開日 | 1991-05-01 | |||||
タイトル | ||||||
タイトル | THE STATE OF MINOR CONSTITUENTS IN THE ANTARCTIC SNOW AND ICE | |||||
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 | |||||
ID登録 | ||||||
ID登録 | 10.15094/00003671 | |||||
ID登録タイプ | JaLC | |||||
ページ属性 | ||||||
内容記述タイプ | Other | |||||
内容記述 | P(論文) | |||||
記事種別(英) | ||||||
en | ||||||
ABSTRACT | ||||||
論文名よみ | ||||||
その他のタイトル | THE STATE OF MINOR CONSTITUENTS IN THE ANTARCTIC SNOW AND ICE | |||||
著者名よみ |
カナモリ, サトル
× カナモリ, サトル× カナモリ, ノブコ× ニシカワ, マサタカ× ワタナベ, オキツグ× ニシオ, フミヒコ |
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著者名(英) |
KANAMORI, Satoru
× KANAMORI, Satoru× KANAMORI, Nobuko× NISHIKAWA, Masataka× WATANABE, Okitsugu× NISHIO, Fumihiko |
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著者所属(英) | ||||||
en | ||||||
Water Research Institute, Nagoya University | ||||||
著者所属(英) | ||||||
en | ||||||
Water Research Institute, Nagoya University | ||||||
著者所属(英) | ||||||
en | ||||||
National Institute for Environmental Studies | ||||||
著者所属(英) | ||||||
en | ||||||
National Institute of Polar Research | ||||||
著者所属(英) | ||||||
en | ||||||
National Institute of Polar Research | ||||||
抄録(英) | ||||||
内容記述タイプ | Other | |||||
内容記述 | A preliminary study of the distribution and the state of minor chemical constituents in the test cores from Mizuho Station was made. Samples from 1m, 5m, 15m, 20m, 25m, and 90m depths were used. The melt waters of these samples were filtered through a 0.4μm Nucleopore filter. The major constituents (Cl, NO_3,SO_4,Na, K, NH_4), formic acid and methanesulfonic acid were determined by liquid chromatography. Total and free Cu and Zn were determined by liquid chromatography with and without oxidative chemical digestion treatment. The difference between them gives organic Cu and Zn. The results are summarized as follow : 1) Formic acid, methanesulfonic acid and organic Cu and Zn were found down to 90m depth (about 1300 y b. p.) indicating the stability of these organic substances in the glacier ice condition. The proportion of organic Cu and Zn against the total amounts were significant, as was found at S25 near Syowa Station. 2) At 15-20m depth (about 200 y b. p.), most constituents showed high levels, suggesting the occurrence of some unusual event. 3) The Cl/Na ratio generally shows a value close to that of sea salt, except for 20m and 90m depth. This trend is quite different from that of methanesulfonic acid which keeps a low level in the upper 300m and increases toward 1300m. Methanesulfonic acid is reported to originate from dimethylsulfide, which is produced by planktonic activity in sea water, and to show high level in the marine atmosphere over the Southern Ocean. These facts suggest different transportation mechanisms of these substances. | |||||
雑誌書誌ID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA10756213 | |||||
書誌情報 |
Proceedings of the NIPR Symposium on Polar Meteorology and Glaciology 巻 4, p. 133, 発行日 1991-05 |
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出版者 | ||||||
出版者 | National Institute of Polar Research |