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Scattering greenhouse effect in early Martian climate: An investigation of CO2 ice clouds stability against radiative heating by line-by-line calculation
https://jaxa.repo.nii.ac.jp/records/20631
https://jaxa.repo.nii.ac.jp/records/20631b8527d51-ada0-446e-a943-d1ecd407d00b
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 | Scattering greenhouse effect in early Martian climate: An investigation of CO2 ice clouds stability against radiative heating by line-by-line calculation | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 火星気候 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 温室効果 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | CO2氷雲 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 大気圧 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 光学的厚さ | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 表面温度 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 赤外放射 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 放射加熱 | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | Martian climate | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | greenhouse effect | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | CO2 ice cloud | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | atmospheric pressure | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | optical thickness | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | surface temperature | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | infrared radiation | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | radiant heating | |||||
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 | |||||
その他のタイトル | ||||||
その他のタイトル | 初期火星気候での散乱温室効果:ラインバイライン計算による放射加熱に対する2酸化炭素氷雲安定性の研究 | |||||
著者 |
光田, 千紘
× 光田, 千紘× 横畠, 徳太× 倉本, 圭× Mitsuda, Chihiro× Yokohata, Tokuta× Kuramoto, Kiyoshi |
|||||
著者所属 | ||||||
北海道大学 大学院理学研究科 | ||||||
著者所属 | ||||||
国立環境研究所 | ||||||
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 | ||||||
National Institute for Environmental Studies | ||||||
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37回月・惑星シンポジウム en : Proceedings of the 37th ISAS Lunar and Planetary Symposium p. 208-211, 発行日 2004-02 |
|||||
抄録(英) | ||||||
内容記述タイプ | Other | |||||
内容記述 | It has been proposed that warm and wet climate was induced on early Mars by the scattering greenhouse effect of CO2 ice clouds. However, such clouds receive strong infrared heating in warm atmosphere and might evaporate before causing sufficient greenhouse effect. In this study, calculated is the net heating rate of cloud layer in a warm CO2-H2O atmosphere by the line-by-line integration and band model, and respective results are compared. When the atmospheric pressure is as low as 1 atm, significant difference exists among those results. The former method predicts a narrower range of atmospheric pressures and surface temperatures for the net heating rate of cloud layer to be negative. This range strongly depends on the radius of cloud particles and the optical thickness of cloud layer. If the particle radius is fixed at 10 micrometer, the optical depth for visible light is smaller than 3, and the atmospheric pressure is higher than 1 atm, the cloud layer can stably exist without evaporation under the surface temperatures higher than the freezing point of water. | |||||
資料番号 | ||||||
内容記述タイプ | Other | |||||
内容記述 | 資料番号: AA0047898053 |