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中国地区夏季6~8月云水含量的垂直分布特征

杨大生 王普才

大气科学2012,Vol.36Issue(1):89-101,13.
大气科学2012,Vol.36Issue(1):89-101,13.

中国地区夏季6~8月云水含量的垂直分布特征

Characteristics of Vertical Distributions of Cloud Water Contents over China during Summer

杨大生 1王普才2

作者信息

  • 1. 中国科学院大气物理研究所中层大气与全球环境探测重点实验室,北京100029
  • 2. 中国气象局气象探测中心,北京100081
  • 折叠

摘要

Abstract

The knowledge on measurement-based spatial - temporal distributions of summertime cloud water contents is greatly important for numerical weather prediction, climate projection, and weather modification experiment By using the data provided by CloudSat, the study examines the vertical, geographic, and monthly variations of cloud water content over China during the summers of 2006 - 2008. Results show the significant influences of the Tibetan Plateau topography and East Asian summer monsoon on formation, vertical and geographic distributions of monthly average cloud water content In the regions of central China (27°N - 35°N), monthly average liquid cloud water contents in the middle and upper layers of the tropospheric atmosphere are remarkably larger than those in southern and northern China regions. There are two peaks in the vertical profiles of monthly average liquid cloud water contents, which may result from combined effect of large-scale atmospheric parameter, the Tibetan Plateautopography and East Asian summer monsoon. The high values of monthly average ice water contents are mostly concentrated in the layer of 6 - 18 km above sea level, namely the upper tropospheric atmosphere. The revealed features of monthly average cloud water content can provide baseline information for the further researches on weather and climate models improvement, weather modification, and cloud-radiation-climate interaction.

关键词

云水含量/垂直分布/区域分布

Key words

cloud water content/vertical distribution/geographic distribution

分类

天文与地球科学

引用本文复制引用

杨大生,王普才..中国地区夏季6~8月云水含量的垂直分布特征[J].大气科学,2012,36(1):89-101,13.

基金项目

国家自然科学基金资助项目40875084、40705012,国家科技支撑计划资助项目2008BAC40B00 ()

大气科学

OA北大核心CSCDCSTPCD

1006-9895

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