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1991/1992年夏季の南極昭和基地周辺の定着氷下におけるクロロフィルaの鉛直フラックス
https://doi.org/10.15094/00009277
https://doi.org/10.15094/00009277a4b2943d-0fd8-4af2-8d1e-f641a44413af
名前 / ファイル | ライセンス | アクション |
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KJ00000651922 (612.6 kB)
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Item type | 紀要論文(ELS) / Departmental Bulletin Paper(1) | |||||
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公開日 | 2004-03-01 | |||||
タイトル | ||||||
タイトル | 1991/1992年夏季の南極昭和基地周辺の定着氷下におけるクロロフィルaの鉛直フラックス | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | Vertical flux of chlorophyll a under fast ice near Syowa Station, Antarctica, in austral summer, 1991/1992 | |||||
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 | 10.15094/00009277 | |||||
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) | |||||
論文名よみ | ||||||
その他のタイトル | 1991/1992 ネン カキ ノ ナンキョク ショウワキチ シュウヘン ノ テイチャク ヒョウカ ニ オケル クロロフィルa ノ エンチョク フラックス | |||||
著者名(日) |
小達, 恒夫
× 小達, 恒夫× 佐々木, 洋× 福地, 光男 |
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著者名(英) |
Odate, Tsuneo
× Odate, Tsuneo× Sasaki, Hiroshi× Fukuchi, Mitsuo |
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著者所属(日) | ||||||
国立極地研究所 | ||||||
著者所属(日) | ||||||
石巻専修大学理工学部 | ||||||
著者所属(日) | ||||||
国立極地研究所 | ||||||
著者所属(英) | ||||||
en | ||||||
National Institute of Polar Research | ||||||
著者所属(英) | ||||||
en | ||||||
School of Science and Engineering, Ishinomaki Senshu University | ||||||
著者所属(英) | ||||||
en | ||||||
National Institute of Polar Research | ||||||
抄録(日) | ||||||
内容記述タイプ | Other | |||||
内容記述 | 1992年1月6日から2月6日の期間,南極昭和基地周辺の定着氷下の水深25あるいは30mにセジメントトラップを設置し,沈降する粒子を補足した.得られた試料を基に,クロロフィルa(Chl a)のフラックスを見積もり,夏季の植物プランクトン大増殖後の現存量低下に対する,沈降による除去の寄与率を評価した.セジメントトラップより上層の積算Chl a濃度は,1月中旬に最大に達した.Chl aフラックスは,Chl a濃度が最大に達した後に高くなった.上層のChl a濃度減少期における,1日当りの減少率は,8.71-10.4mg Chl a m-2 day-1 であった.この時,Chl aフラックスは,上層で起こったChl a減少率の3.6-4.0に過ぎなかった.このことは,植物プランクトンの沈降が,大増殖後にみられる現存量低下の大きな要因ではないことを示す. | |||||
抄録(英) | ||||||
内容記述タイプ | Other | |||||
内容記述 | Sinking particles were collected using sediment traps, which were deployed at depths of 25 or 30m under fast ice near Syowa Station, Antarctica, from January 6 to February 6, 1992. Using the samples, fluxes of chlorophyll a (Chl a) were estimated and the contribution of algal sinking to the decrease of phytoplankton biomass after the summer bloom was evaluated. The Chl a concentration, integrated above the depths at which the sediment traps were deployed, reached a maximum in mid-January. The Chl a flux became high after the maximum of the concentration was recorded. In the Chl a decreasing phase, daily decreasing rates of the Chl a concentrations in the water columns were 8.71-10.4mg Chl a m-2 day-1 . During this period the Chl a fluxes accounted for only 3.6-4.0 of the decreasing rates. These observations imply that algal sinking is not the major process of phytoplankton biomass decrease after the summer bloom. | |||||
雑誌書誌ID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AN00181831 | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 00857289 | |||||
書誌情報 |
南極資料 en : Antarctic Record 巻 48, 号 1, p. 1-6, 発行日 2004-03 |
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国際十進分類法 | ||||||
主題Scheme | UDC | |||||
主題 | 59(26) | |||||
出版者 | ||||||
出版者 | 国立極地研究所 |