Resolution Dependence of the Diurnal Cycle of Precipitation Simulated by a Global Cloud-System Resolving Model

DOI Web Site 被引用文献11件 参考文献27件 オープンアクセス
  • Yashiro Hisashi
    RIKEN Advanced Institute for Computational Science
  • Kajikawa Yoshiyuki
    RIKEN Advanced Institute for Computational Science Research Center for Urban Safety and Security, Kobe University
  • Miyamoto Yoshiaki
    RIKEN Advanced Institute for Computational Science Rosenstiel School of Marine and Atmospheric Science, University of Miami
  • Yamaura Tsuyoshi
    RIKEN Advanced Institute for Computational Science
  • Yoshida Ryuji
    RIKEN Advanced Institute for Computational Science Research Center for Urban Safety and Security, Kobe University
  • Tomita Hirofumi
    RIKEN Advanced Institute for Computational Science

書誌事項

公開日
2016
DOI
  • 10.2151/sola.2016-053
公開者
公益社団法人 日本気象学会

説明

<p>Resolution dependence was found in the simulated diurnal precipitation cycle over land in the tropics. We conducted a series of grid refinement experiments of the atmosphere from 14 km to 0.87 km using a global high-resolution model without any convection parameterizations. In the high-resolution experiment, the peak of the cycle was earlier and precipitation at the peak was higher. The characteristics of the simulated diurnal precipitation cycle changed at a grid spacing of around 2-3 km. The precipitation started to increase in the morning in the high-resolution experiments, suggesting that small-scale moist convection became active in the late morning. In the lower-resolution experiments, convection and precipitation began in the late afternoon. As well as the enhancement of moisture transport from the boundary layer to the middle troposphere, the rapid formation of rain can also be attributed to the difference in diurnal precipitation cycles between lower and higher resolution experiments.</p>

収録刊行物

  • SOLA

    SOLA 12 (0), 272-276, 2016

    公益社団法人 日本気象学会

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参考文献 (27)*注記

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