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A Simple Parameterization Scheme for Subtropical Marine Stratocumulus

机译:亚热带海洋平积层的简单参数化方案

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References(21) Cited-By(10) Supplementary materials(2) A simple scheme to represent the marine stratocumulus clouds off the west coast of continents is implemented in the Global Spectral Model (GSM) at Japan Meteorological Agency (JMA). The parameterization is based on diagnostic cloud schemes where cloud fraction is diagnosed mainly as a function of inversion strength considering other parameters. The global distribution of marine stratocumulus clouds off the west coast of continents is improved remarkably with this new scheme. Low-level cloud amount shows reasonable agreement with the International Satellite Cloud Climatology (ISCCP). With the improved cloud amount, the radiation fields are also improved in comparison with the Earth Radiation Budget Experiment (ERBE). Seasonal and diurnal variations of marine stratocumulus cloud amount off the west coast of continents also show reasonable agreement with surface-based cloud amount data from Klein and Hartmann (1993) and other observations.
机译:参考文献(21)被引用的文献(10)补充材料(2)日本气象厅(JMA)的全球光谱模型(GSM)实施了一种简单的方案来表示各大洲西海岸的海洋平积云。参数化基于诊断云方案,其中诊断云量主要是考虑其他参数的反演强度函数。这项新计划大大改善了各大洲西海岸外海平流层积云的全球分布。低层云量表明与国际卫星云气候学(ISCCP)的合理协议。与改善的云量相比,与地球辐射预算实验(ERBE)相比,辐射场也得到了改善。大陆西海岸外海平流层积云量的季节性和昼夜变化也与来自Klein和Hartmann(1993)的基于地面的云量数据和其他观测结果显示出合理的一致性。

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