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2011春季北京大气边界层的激光雷达观测研究

Beijing Atmospheric Boundary Layer Observation with Lidar in 2011 Spring

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摘要

2011年3月21日至4月19日,中国气象局气象探测中心利用车载多普勒测风激光雷达在北京观象台进行实验,对大气边界层进行观测,并利用激光雷达距离平方校正信号梯度法进行了大气边界层高度的反演与分析。激光雷达观测数据处理结果表明,测量期间当地时间上午800和下午800的平均混合层高度或近地面稳定边界层高度分别为(1.44±0.75) km和(2.23±1.13) km,平均边界层高度分别为(2.88±0.92) km和(3.37±0.82)km。对比同步探空气球数据,激光雷达反演结果与由位温梯度、相对湿度梯度获取的平均混合层高度和边界层高度相比,相关系数达94%,体现出较好的一致性。

Abstract

From Mar. 21 to Apr. 19 in 2011, atmospheric observations with mobile Doppler wind lidar at Beijing observatory are operated by China Meteorological Administration. Atmospheric boundary layer is observed and analyzed by the gradient of lidar range-corrected signal. The processed results of lidar observation data indicate that the average mixing layer or surface stable boundary layer height is (1.44±0.75) km at 800AM and (2.23±1.13) km at 800PM, the average atmospheric boundary layer height is (2.88±0.92) km at 800AM and (3.37±0.82) km at 800PM, respectively. Compared with the gradient of potential temperature and relative humidity of synchronous radiosonde, the correlation index is as much as 94%, which shows good consistency with lidar.

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中图分类号:O436

DOI:10.3788/aos201333.s128001

所属栏目:遥感与传感器

基金项目:海洋公益性行业科研专项(201205036-5)和城市气象科学研究基金(UMRF201002)资助课题。

收稿日期:2012-12-22

修改稿日期:2013-03-01

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闫宝东:中国海洋大学海洋遥感研究所, 山东 青岛 266003
宋小全:中国海洋大学海洋遥感研究所, 山东 青岛 266003
陈超:中国海洋大学海洋遥感研究所, 山东 青岛 266003
陈玉宝:中国气象局气象探测中心, 北京 100081
刘秉义:中国海洋大学海洋遥感研究所, 山东 青岛 266003
刘智深:中国海洋大学海洋遥感研究所, 山东 青岛 266003

联系人作者:闫宝东(tid_yan@163.com)

备注:闫宝东(1982—),男,硕士研究生,主要从事激光雷达大气探测方面的研究。

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引用该论文

Yan Baodong,Song Xiaoquan,Chen Chao,Chen Yubao,Liu Bingyi,Liu Zhishen. Beijing Atmospheric Boundary Layer Observation with Lidar in 2011 Spring[J]. Acta Optica Sinica, 2013, 33(s1): s128001

闫宝东,宋小全,陈超,陈玉宝,刘秉义,刘智深. 2011春季北京大气边界层的激光雷达观测研究[J]. 光学学报, 2013, 33(s1): s128001

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