Analysis on Microphysical Structure of a Summer Stra tus over Qilian Mounta in

J4 ›› 2008, Vol. 26 ›› Issue (4): 41-45.

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Analysis on Microphysical Structure of a Summer Stra tus over Qilian Mounta in

ZHANG Yixuan¹ , PANG Zhaoyun¹ , L I Zhaorong¹ , ZHANG J ianhui¹, TAN Qiuzhong²

1. W eatherM odif ication Off ice of Gansu Province, Lanzhou 730020, China;2. Shanglin M eteorological S tation of Guangx i, Shanglin 530050, China

Received:2008-08-01 Revised:2008-08-21 Online:2008-12-30 Published:2008-12-30

祁连山区一次非降水层状云的微物理结构探测分析

张逸轩¹,庞朝云¹ ,李照荣¹,张建辉1 ,覃秋忠²

1. 甘肃省人工影响天气办公室,甘肃兰州730020; 2. 广西上林县气象局,广西　上林　530050

作者简介:张逸轩(1985-) , 男,重庆市合川人,助理工程师,主要从事人工影响天气应用与研究. E-mail : lzuemail@gmail. com
基金资助:
国家自然基金重点项目(40533015)资助

Abstract

Abstract:

The PMS p robeswere used to measure microphysical parameters of a summer stratus on August 15, 2007 inMinle of Gansu Provinc. The cloud structure including particle’s vertical distribution, liquid water content and particle spectrum type was analyzed.Results show that: (1) the cloud structure of the stratus is clear, and there is an inversion layer in this cloud; (2) the average of liquid water content is 0. 012 g·m- 3 in the cloud, and mainly concentrated in the layers of 4 100 - 4 200 m and 4 700 - 5 000 m; (3)this cloud accordswith the Bergeron’s catalytic cloud and water cloud interaction model, so we can seed crystals to achieve the objective of increasing p recip itation.

Key words: microphysical structure, liquid water content , PMS, stratus , cloud particle spectrum

摘要：

利用装载有粒子测量系统( PMS)的飞机对2007年8月15日甘肃省张掖市民乐县夏季非降水层状云进行了一次探测飞行,通过获取的资料分析了云层结构、云滴的垂直分布、液态含水量、谱特征等。结果表明: (1)此个例中云层结构明显,云中存在逆温层; (2)云中平均含水量为0. 012 g /m³ ,含水层主要集中在4 100～4 200 m与4 700～5 000 m层之间; (3)此云系符合Bergeron提出的催化云—供水云相互作用导致降水的概念模型,可以在催化云中进行人工引晶来达到增加降水的目的。

关键词: 云微物理, 液水含量, PMS, 层状云, 云粒子谱

CLC Number:

P412. 24

ZHANG Yi-Han, LONG Chao-Yun, LI Zhao-Rong, ZHANG Jian-Hui, QIN Qiu-Zhong. Analysis on Microphysical Structure of a Summer Stra tus over Qilian Mounta in[J]. J4, 2008, 26(4): 41-45.

张逸轩, 庞朝云, 李照荣, 张建辉, 覃秋忠. 祁连山区一次非降水层状云的微物理结构探测分析[J]. J4, 2008, 26(4): 41-45.

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Analysis on Microphysical Structure of a Summer Stra tus over Qilian Mounta in

祁连山区一次非降水层状云的微物理结构探测分析

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