利用星载激光雷达研究云层垂直结构及其分布

J4 ›› 2013, Vol. 30 ›› Issue (1): 36-41.

利用星载激光雷达研究云层垂直结构及其分布

魏书晓，吴东

中国海洋大学信息科学与工程学院海洋技术系，山东青岛 266100

出版日期:2013-01-28 发布日期:2013-01-11
通讯作者: 吴东(1964-)山东青岛人，博士，教授，主要从事海洋光学与激光遥感方面的研究.
作者简介:魏书晓(1987-)山东临沂人，研究生，主要从事海洋光学与激光遥感方面的研究. Email：weishuxiao1987@163.com
基金资助:
国家自然科学基金(41076116, 40876017)资助项目

Cloud vertical structure statistics from CALIPSO lidar observations

WEI Shuxiao, WU Dong

Department of Marine technology, College of Information Science and Engineering, Ocean University of China, Qingdao 266100, China

Published:2013-01-28 Online:2013-01-11

摘要/Abstract

摘要：

云的垂直结构（CVS）是云的重要特征量，在大气模式的研究中有着有着十分重要的影响。利用CALIPSO（Cloud Aerosol Lidar and Infrared Pathfinder Satellite Observations）星载激光雷达2007年到2010年间的Level 2 Version 3的云数据对中国海及其周边海域的云的垂直结构及其分布随年度和区域的变化进行了统计分析。结果表明：层数不同的云在研究区域内发生的概率（COF）差别较大，云顶海拔高度（LTA）不同的云沿纬度方向的分布差异明显，LTA在10 km到20 km的云出现的概率较高而且大多出现于靠近赤道区域。由于有些云CALIPSO信号不能穿透，可能使云层数以及云顶高度的统计结果偏小。

关键词: 遥感, 星载激光雷达, 云垂直结构

Abstract:

The cloud vertical structure (CVS) acts an important aspect of cloud characteristic and atmospheric model. The vertical distribution statistics of clouds over China Sea and adjacent sea area are derived from the Cloud Aerosol Lidar and Infrared Pathfinder Satellite Observations (CALIPSO) level 2 version 3 lidar cloud layer data from 2007 to 2010. The results show that the cloud occurrence frequencies (COF) of single and multi-layer clouds over the research area are different, and the layer-top-altitude (LTA) occurrence frequencies have obvious difference with latitude. High clouds (10 km to 20 km) have high occurrence frequency near equator. Because there are some opacity clouds the result of layer-number and LTA may be smaller the real situation.

Key words: remote sensing, CALIPSO lidar, CVS

魏书晓，吴东. 利用星载激光雷达研究云层垂直结构及其分布[J]. J4, 2013, 30(1): 36-41.

WEI Shuxiao, WU Dong. Cloud vertical structure statistics from CALIPSO lidar observations[J]. J4, 2013, 30(1): 36-41.

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