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  1. 139 大気海洋研究所
  2. 10 気候システム研究系
  3. 1391050 学会・会議等発表資料
  1. 0 資料タイプ別
  2. 50 学会・会議等発表資料
  3. 053 プレゼンテーション

Validation of JMANHM+HUCM through comparisons with satellite and aircraft observation in DYCOMS-II period

http://hdl.handle.net/2261/51500
http://hdl.handle.net/2261/51500
19c6cff1-4d7d-4178-91a4-90cbcca32d61
名前 / ファイル ライセンス アクション
Sato_IUGG_2011.pdf Sato_IUGG_2011.pdf (3.9 MB)
Item type 会議発表用資料 / Presentation(1)
公開日 2012-04-23
タイトル
タイトル Validation of JMANHM+HUCM through comparisons with satellite and aircraft observation in DYCOMS-II period
言語
言語 eng
資源タイプ
資源 http://purl.org/coar/resource_type/c_c94f
タイプ conference object
著者 Sato, Yousuke

× Sato, Yousuke

WEKO 96068

Sato, Yousuke

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Nakajima, Teruyuki

× Nakajima, Teruyuki

WEKO 96069

Nakajima, Teruyuki

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Suzuki, Kentaroh

× Suzuki, Kentaroh

WEKO 96070

Suzuki, Kentaroh

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Jensen, Jørgen B.

× Jensen, Jørgen B.

WEKO 96071

Jensen, Jørgen B.

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Nakajima, Takashi Y.

× Nakajima, Takashi Y.

WEKO 96072

Nakajima, Takashi Y.

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Takenaka, Hideaki

× Takenaka, Hideaki

WEKO 96073

Takenaka, Hideaki

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著者所属
著者所属 Atmosphere and Ocean Research Institute, University of Tokyo
著者所属
著者所属 Department of Atmospheric Science, Colorado States University
著者所属
著者所属 National Center for Atmospheric Research
著者所属
著者所属 Research and Information Center, Tokai University
著者所属
著者所属 Center for Environmental Remote Sensing, Chiba University
抄録
内容記述タイプ Abstract
内容記述 Comparisons of microphysical properties of low clouds (e.g. marine stratocumulus (Sc)) simulated by a spectral bin microphysics (SBM) model with those obtained from observations are conducted off the coast of California at DYCOMS-II (Second Dynamics and Chemistry of Marine Stratocumulus) period. We use various types of data (i.e. not only observation data from aircraft but also data retrieved from satellite) for the comparison. Three-dimensional one way nesting simulation with SBM model is conducted. Comprehensive Analysis Program for Cloud Optical Measurements (CAPCOM) retrieval algorithm is used to derive cloud microphysical and optical properties from GOES (Geostationary Operational Environment Satellite) satellite. Aircraft data obtained by C-130 aircraft during the period is also used. The comparisons show that the cloud optical thickness simulated by the SBM model is much smaller than that retrieved from satellite. The model also underestimates cloud droplet number concentration and liquid water content compared to aircraft observations. More detailed analysis shows that relative humidity (i.e. super saturations) are smaller in the model than those observed because of weaker updraft velocity in the model, which causes smaller number concentration through less active nucleation process. Sensitivity experiments of changing grid resolution show that lower resolution (dx=300m) causes the weaker updraft velocity, thus suggesting the necessity of higher resolution to reproduce the microphysical and optical properties of marine Sc.
内容記述
内容記述タイプ Other
内容記述 The XXV IUGG General Assembly : Earth on the Edge: Science for a Sustainable Planet, 28 June - 7 July 2011, Melbourne Convention & Exhibition Centre, Melbourne, Australia
書誌情報 発行日 2011-06-29
日本十進分類法
主題Scheme NDC
主題 451
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