广东省新丰江流域4—5月暖云的微物理特征
THE MICROPHYSICAL FEATURES OF WARM CLOUDS OVER THE XINFENG JIANG RIVER VALLEY IN GUANGDONG DURING APRIL TO MAY
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摘要: 本文对新丰江流域初夏暧云的含水量与小云滴谱特征进行了分析。指出暖积云的含水量比暖性层积云大;广东初夏暧性层积云的含水量大于北方降水性As—Ns云系。被探测云的主要降水机制均为碰并增长过程,但浓积云中云滴碰并增长条件比层积云优越;与湖南等地积云相比,广东积云更具有海洋性积云的特征。Abstract: In this paper, water content and features of cloud droplet spectra in warm clouds over early summer in the Xinfeng Jiang River valley are analysed. It is pointed out that the warm cumulus has more moisture than warm stratocumulus, which includes more water in early summer in Guangdong than precipitive As-Ns clouds in North China. Coalescence becomes the main rain trigger for the observed clouds, more easily such in cumulus congestus than in stratocumulus. Cumulus is more of marine type in Guangdong than in Hunan or other provinces.
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