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Cloud overlapping parameter obtained from CloudSat/CALIPSO dataset and its application in AGCM with McICA scheme

机译:从CloudSat / CALIPSO数据集获得的云重叠参数及其在McICA方案在AGCM中的应用

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摘要

Vertical decorrelation length (L-cf) as used to determine overlap of cloudy layers in GCMs was obtained from CloudSat/CALIPSO measurements, made between 2007 and 2010, and analyzed in terms of monthly means. Global distributions of L-cf were produced for several cross-sectional lengths. Results show that: L-cf over the tropical convective regions typically exceeds 2 km and shift meridionally with season; the smallest L-cf, (<1 km) tends to occur in regions dominated by marine stratiform clouds; L-cf for mid-to-high latitude continents of the Northern Hemisphere (NH) ranges from 5-6 km during winter to 2-3 km during summer; and there are marked differences between continental and oceanic values of L-cf in the mid-latitudes of the NH.
机译:垂直去相关长度(L-cf)用于确定GCM中浑浊层的重叠,这是从CloudSat / CALIPSO测量获得的,该测量是在2007年至2010年之间进行的,并按月均值进行了分析。 L-cf的全球分布产生了几种横截面长度。结果表明:热带对流地区的L-cf通常超过2 km,并随季节经向移动;最小的L-cf(<1 km)往往发生在以海洋层状云为主的地区;北半球(NH)的中高纬度大陆的L-cf范围从冬季的5-6公里到夏季的2-3公里。在北半球中纬度地区,L-cf的大陆和海洋值之间存在明显差异。

著录项

  • 来源
    《Atmospheric research》 |2016年第3期|52-65|共14页
  • 作者单位

    Nanjing Univ Informat Sci & Technol, Collaborat Innovat Ctr Forecast & Evaluat Meteoro, Nanjing, Jiangsu, Peoples R China|China Meteorol Adm, Natl Climate Ctr, Lab Climate Studies, Beijing, Peoples R China;

    Nanjing Univ Informat Sci & Technol, Collaborat Innovat Ctr Forecast & Evaluat Meteoro, Nanjing, Jiangsu, Peoples R China|China Meteorol Adm, Natl Climate Ctr, Lab Climate Studies, Beijing, Peoples R China;

    Shanghai Meteorol Bur, Shanghai, Peoples R China;

    Univ Victoria, Canadian Ctr Climate Modeling & Anal, Victoria, BC, Canada;

    Environm Canada, Cloud Phys Res Div, Downsview, ON, Canada;

  • 收录信息
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Cloud overlap; Decorrelation length; CloudSat/CALIPSO; AGCM;

    机译:云重叠;解相关长度;CloudSat / CALIPSO;AGCM;

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