我国东南海域云出现概率和海表温度的关系分析

齐琳琳; 王洪兵; 孟旭航; 刘健文

doi:10.16032/j.issn.1004-4965.2018.06.003

我国东南海域云出现概率和海表温度的关系分析

doi: 10.16032/j.issn.1004-4965.2018.06.003

齐琳琳^1, ,,
王洪兵^{1, 2},
孟旭航³,
刘健文¹

1.
空军研究院，北京 100085
2.
国防科技大学气象海洋学院，江苏南京 211101
3.
空军气象中心，北京 100029

基金项目:

国家“863”计划项目 2012AA091801

国家自然科学青年基金 41005030

国家自然科学青年基金 41205044

详细信息

通讯作者:
齐琳琳，女，辽宁省人，高级工程师，博士，研究方向：天气分析与数值预报。E-mail: niceqll@mail.iap.ac.cn

中图分类号: P434.4
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- 文章访问数: 811
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- 被引次数: 0
出版历程
- 收稿日期: 2017-12-07
- 修回日期: 2018-07-08
- 刊出日期: 2018-12-01

ANALYSIS OF THE CONNECTION BETWEEN FREQUENCY OF OCCURRENCE OF CLOUDS AND SST IN SOUTHEAST AND SOUTH CHINA SEAS

1.
Air Force Academy, Beijing 100085, China
2.
College of Meteorology and Oceanography, National University of Defense and Technology, Nanjing 211101, China
3.
Meteorological Center of Air Force, Beijing 100029, China

摘要

摘要: 海表温度(SST)和云是表征海洋和大气状况的主要物理量。为了掌握我国东南海域两者间的某些特征，综合使用CloudSat卫星观测和SODA3.3.1中的SST资料，分别就垂直方向上的云出现概率(FOC)和SST的变化关系进行了基本的统计分析。结果表明，尽管两海域FOC随高度分布均是SST相对低时，低层大高层小；随着SST增暖逐渐是高层大于低层的。但分布强度及其与SST的变化范围划分有所不同。相比而言，南海海域低层FOC高度相对低，变化幅度也相对大。特别是在SST＞30.5 ℃时，台湾以东海域FOC是减弱的，而南海的则是维持或增强。研究结果不仅有助于直观掌握两海域FOC和SST间的变化关系，而且定量化揭示局地海气相互作用中SST与云的对应关系。
- 云出现概率 /
- 海表面温度 /
- 东南海域
Abstract: Sea surface temperature (SST) and cloud are the main physical features of ocean and atmosphere respectively. To probe into some vertical features between the frequency of occurrence of clouds (FOC) and SST off the southeastern China, CloudSat satellite data for cloud and the SODA 3.3.1 for SST are used to analyze statistically in this paper. The results show that the distribution of FOC with height is similar for the sea east of Taiwan and South China Sea in that with relatively low SST, it is larger in the low level than in the high level, but the intensity of its distribution as well as its variation with SST is different. Compared with the sea east of Taiwan, the height of FOC variation in the South China Sea is lower and its amplitude is also larger. Especially when SST is above 30.5 ℃, the FOC decreases with increasing SST in the sea east of Taiwan. By contrast, the FOC remains strong or even enhances in the South China Sea. These results are not only useful for understanding the connection between FOC and SST in the two areas, but also quantitatively reveal their corresponding relationship in the local air-sea interaction.
- frequency of occurrence of clouds /
- sea surface temperature /
- southeastern China

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图 1 台湾以东海域云出现概率随SST的变化分布

a.年平均；b.春季平均；c.夏季平均；d.秋季平均；e.冬季平均。

下载: 全尺寸图片幻灯片

图 2 台湾以东海域各高度范围内云出现概率随SST的变化分布

a. 0~2 km；b. 2~4 km；c. 4~8 km；d. 8~15 km。

下载: 全尺寸图片幻灯片

图 3 南海海域云出现概率随SST的变化分布

a.年平均；b.春季平均；c.夏季平均；d.秋季平均；e.冬季平均。

下载: 全尺寸图片幻灯片

图 4 南海海域各高度范围内云出现概率随SST的变化分布

a. 0~2 km；b. 2~4 km；c. 4~8 km；d. 8~15 km。

下载: 全尺寸图片幻灯片

图 5 台湾以东海域与南海海域的云出现概率差随SST变化分布

下载: 全尺寸图片幻灯片

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