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Physical characteristics of convective and non-convective cirrus clouds from CALIPSO data over the South China Sea

Haorui Weng Yong Han Ximing Deng Li Dong Yan Liu

大气和海洋科学快报（英文版）2025，Vol.18Issue(3)：1-6,6.

大气和海洋科学快报（英文版）2025，Vol.18Issue(3)：1-6,6.DOI:10.1016/j.aosl.2024.100510

Physical characteristics of convective and non-convective cirrus clouds from CALIPSO data over the South China Sea

Haorui Weng ¹Yong Han ²Ximing Deng ¹Li Dong ¹Yan Liu¹

作者信息

1. Advanced Science & Technology of Space and Atmospheric Physics Group(ASAG),School of Atmospheric Sciences,Sun Yat-sen University & Southern marine Science and Engineering Guangdong Laboratory,Zhuhai,China
2. Advanced Science & Technology of Space and Atmospheric Physics Group(ASAG),School of Atmospheric Sciences,Sun Yat-sen University & Southern marine Science and Engineering Guangdong Laboratory,Zhuhai,China||Key Laboratory of Tropical Atmosphere-Ocean System(Sun Yat-sen University),Ministry of Education,Zhuhai,China
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摘要

Abstract

南海是陆地,海洋和大气相互作用强烈的区域,在此背景下,深对流活动对于卷云的形成和维持至关重要.然而,关于该区域对流性和非对流性卷云物理特征的研究十分有限.本文基于2007-2015年的CALIPSO数据对南海地区的对流性和非对流性卷云进行了研究.结果表明,对流性卷云的样本数是非对流性卷云的三倍;对流性卷云表现出较高的冰水含量(IWC)并伴随着潮湿的环境条件,而非对流性卷云的冰水含量较低;此外,进一步的分析揭示了对流性卷云和非对流性卷云的云量呈现出不同的垂直分布,对流性卷云的最大云量出现在14 km,而非对流性卷云则出现在15-16 km;最后,阐明了驱动两种类型卷云云量的季节性变化机制,对流性卷云云量的季节性变化主要受自下而上的正比湿异常影响,而非对流性卷云则受自上而下的负温度异常驱动.

关键词

南海/对流性卷云/非对流性卷云/CALIPSO

Key words

South China sea/Convective cirrus/Non-convective cirrus/CALIPSO

引用本文复制引用

Haorui Weng,Yong Han,Ximing Deng,Li Dong,Yan Liu..Physical characteristics of convective and non-convective cirrus clouds from CALIPSO data over the South China Sea[J].大气和海洋科学快报（英文版）,2025,18(3):1-6,6.

基金项目

This study was supported financially by the National Natural Sci-ence Foundation of China[grant numbers 42027804,41775026,and 41075012]. （）

大气和海洋科学快报（英文版）

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