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The U, Th and K contents in the soils from Cape Royds were found to be several times higher than those from the Dry Valleys area, while the K/Th and U/Th ratios were nearly the same independent of the sampling location. Accumulation of ^\u003c137\u003e(Cs) in surface soils was estimated to be 1-5mCi/(km)^2,which is one to two orders of magnitude lower than those measured for the surface soils in Japan. In spite of the great difference of the fallout accumulation in surface soil, the ^\u003c239,240\u003e(Pu)/^\u003c137\u003e(Cs) activity ratio (0.016-0.022) was almost the same as the global fallout value. On the other hand, various artificial radionuclides were detected in the water filter samples. Among them, exsistence of ^\u003c207\u003e(Bi) is remarkable in the Antarctic samples. No appreciable difference from the global fallout value was found for the ^\u003c239,240\u003e(Pu)/^\u003c137\u003e(Cs) and ^\u003c241\u003e(Am)/^\u003c239,240\u003e(Pu) activity ratios. However, the ^\u003c238\u003e(Pu)/^\u003c239,240\u003e(Pu) ratio was found to be 3 to 5 times higher than those measured in the northern hemisphere, which can be attributed to the accidental release of ^\u003c238\u003e(Pu) by the burn-up of SNAP-9A satellite in 1964.", "subitem_description_type": "Other"}]}, "item_1_source_id_13": {"attribute_name": "雑誌書誌ID", "attribute_value_mlt": [{"subitem_source_identifier": "AA00733561", "subitem_source_identifier_type": "NCID"}]}, "item_1_text_10": {"attribute_name": "著者所属(英)", "attribute_value_mlt": [{"subitem_text_language": "en", "subitem_text_value": "Low Level Radioactivity Laboratory, Kanazawa University"}, {"subitem_text_language": "en", "subitem_text_value": "Chiba Institute of Technology"}, {"subitem_text_language": "en", "subitem_text_value": "Faculty of Pharmacy, Hokuriku University"}, {"subitem_text_language": "en", "subitem_text_value": "Low Level Radioactivity Laboratory, Kanazawa University"}]}, "item_files": {"attribute_name": "ファイル情報", "attribute_type": "file", "attribute_value_mlt": [{"accessrole": "open_date", "date": [{"dateType": "Available", "dateValue": "1984-09-01"}], "displaytype": "detail", "download_preview_message": "", "file_order": 0, "filename": "KJ00000012290.pdf", "filesize": [{"value": "1.8 MB"}], "format": "application/pdf", "future_date_message": "", "is_thumbnail": false, "licensetype": "license_6", "mimetype": "application/pdf", "size": 1800000.0, "url": {"label": "KJ00000012290", "url": "https://nipr.repo.nii.ac.jp/record/1658/files/KJ00000012290.pdf"}, "version_id": "534e87b0-bd74-465e-846f-3e38a1a4d74f"}]}, "item_language": {"attribute_name": "言語", "attribute_value_mlt": [{"subitem_language": "eng"}]}, "item_resource_type": {"attribute_name": "資源タイプ", "attribute_value_mlt": [{"resourcetype": "departmental bulletin paper", "resourceuri": "http://purl.org/coar/resource_type/c_6501"}]}, "item_title": "Natural and artificial radionuclides in environmental samples collected from the McMurdo Sound region in South Victoria Land, Antarctica", "item_titles": {"attribute_name": "タイトル", "attribute_value_mlt": [{"subitem_title": "Natural and artificial radionuclides in environmental samples collected from the McMurdo Sound region in South Victoria Land, Antarctica", "subitem_title_language": "en"}]}, "item_type_id": "1", "owner": "4", "path": ["387"], "permalink_uri": "https://nipr.repo.nii.ac.jp/records/1658", "pubdate": {"attribute_name": "公開日", "attribute_value": "1984-09-01"}, "publish_date": "1984-09-01", "publish_status": "0", "recid": "1658", "relation": {}, "relation_version_is_last": true, "title": ["Natural and artificial radionuclides in environmental samples collected from the McMurdo Sound region in South Victoria Land, Antarctica"], "weko_shared_id": 4}
Natural and artificial radionuclides in environmental samples collected from the McMurdo Sound region in South Victoria Land, Antarctica
https://nipr.repo.nii.ac.jp/records/1658
https://nipr.repo.nii.ac.jp/records/1658bacc9bcb-38b3-4a7c-9326-b648c5779872
名前 / ファイル | ライセンス | アクション |
---|---|---|
KJ00000012290 (1.8 MB)
|
Item type | 紀要論文(ELS) / Departmental Bulletin Paper(1) | |||||
---|---|---|---|---|---|---|
公開日 | 1984-09-01 | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | Natural and artificial radionuclides in environmental samples collected from the McMurdo Sound region in South Victoria Land, Antarctica | |||||
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) |
Komura, Kazuhisa
× Komura, Kazuhisa× Torii, Tetsuya× Yamamoto, Masayoshi× Sakanoue, Masanobu |
|||||
著者所属(英) | ||||||
en | ||||||
Low Level Radioactivity Laboratory, Kanazawa University | ||||||
著者所属(英) | ||||||
en | ||||||
Chiba Institute of Technology | ||||||
著者所属(英) | ||||||
en | ||||||
Faculty of Pharmacy, Hokuriku University | ||||||
著者所属(英) | ||||||
en | ||||||
Low Level Radioactivity Laboratory, Kanazawa University | ||||||
抄録(英) | ||||||
内容記述タイプ | Other | |||||
内容記述 | Natural and artificial radionuclides in the soils collected from Ross Island and the Dry Valleys area and water filters used at the Scott Base have been studied by non-destructive γ- and α-spectrometry. The U, Th and K contents in the soils from Cape Royds were found to be several times higher than those from the Dry Valleys area, while the K/Th and U/Th ratios were nearly the same independent of the sampling location. Accumulation of ^<137>(Cs) in surface soils was estimated to be 1-5mCi/(km)^2,which is one to two orders of magnitude lower than those measured for the surface soils in Japan. In spite of the great difference of the fallout accumulation in surface soil, the ^<239,240>(Pu)/^<137>(Cs) activity ratio (0.016-0.022) was almost the same as the global fallout value. On the other hand, various artificial radionuclides were detected in the water filter samples. Among them, exsistence of ^<207>(Bi) is remarkable in the Antarctic samples. No appreciable difference from the global fallout value was found for the ^<239,240>(Pu)/^<137>(Cs) and ^<241>(Am)/^<239,240>(Pu) activity ratios. However, the ^<238>(Pu)/^<239,240>(Pu) ratio was found to be 3 to 5 times higher than those measured in the northern hemisphere, which can be attributed to the accidental release of ^<238>(Pu) by the burn-up of SNAP-9A satellite in 1964. | |||||
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 33, p. 224-236, 発行日 1984-09 |