WEKO3
アイテム
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Evolution of oxygen isotopic composition and C/O ratio at late stage of protoplanetary accretion disk
https://jaxa.repo.nii.ac.jp/records/20550
https://jaxa.repo.nii.ac.jp/records/20550f9e79008-925f-43f8-be47-078e3caafd5d
Item type | 会議発表論文 / Conference Paper(1) | |||||
---|---|---|---|---|---|---|
公開日 | 2015-03-26 | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | Evolution of oxygen isotopic composition and C/O ratio at late stage of protoplanetary accretion disk | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 原始惑星系円盤 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 原始惑星 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 降着円盤 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 酸素同位体 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 同位体比 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 太陽星雲 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 炭素 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | コンドライト | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | コンドルール | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 惑星進化 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 酸化還元状態 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 同位体濃縮 | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | protoplanetary disk | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | protoplanet | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | accretion disk | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | oxygen isotope | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | isotope ratio | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | solar nebula | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | carbon | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | chondrite | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | chondrule | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | planetary evolution | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | redox state | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | isotopic enrichment | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_5794 | |||||
資源タイプ | conference paper | |||||
アクセス権 | ||||||
アクセス権 | metadata only access | |||||
アクセス権URI | http://purl.org/coar/access_right/c_14cb | |||||
著者 |
福井, 隆
× 福井, 隆× 倉本, 圭× Fukui, Takashi× Kuramoto, Kiyoshi |
|||||
著者所属 | ||||||
北海道大学 大学院理学研究科 | ||||||
著者所属 | ||||||
北海道大学 大学院理学研究科 | ||||||
著者所属(英) | ||||||
en | ||||||
Hokkaido University Graduate School of Science | ||||||
著者所属(英) | ||||||
en | ||||||
Hokkaido University Graduate School of Science | ||||||
出版者 | ||||||
出版者 | 宇宙航空研究開発機構宇宙科学研究本部 | |||||
出版者(英) | ||||||
出版者 | Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency (JAXA/ISAS) | |||||
書誌情報 |
第38回月・惑星シンポジウム en : Proceedings of the 38th ISAS Lunar and Planetary Symposium p. 128-131, 発行日 2006-03 |
|||||
抄録(英) | ||||||
内容記述タイプ | Other | |||||
内容記述 | Compositional evolution of the inner portion of a protoplanetary disk at late accretion stage is examined to reproduce the evolution of the solar nebula inferred from information about chondrites, especially about their O-isotopic compositions and redox states. Temporal variation of disk composition is simulated by performing numerical calculation for advective-diffusion in accretion disk and taking into account the effects of preferential dust migration and evaporation of H2O ice and organics. The estimated time scale of compositional evolution is consistent with chronological suggestion for the interval between formation of CAIs (Ca and Al rich Inclusions) and chondrules. If the disk accretion rate rapidly decays, C/O ratio of innermost disk significantly changes. A reduced environment which can produce SiC would be formed at the inner edge of disk. Heterogeneous recycling of produced SiC would have controlled the redox state of chondrites. | |||||
資料番号 | ||||||
内容記述タイプ | Other | |||||
内容記述 | 資料番号: AA0063350035 |