Detecting the planetary boundary layer height from low-level jet with Doppler lidar measurements

被引：3
|
作者：
Moreira, G. de A. [1 ]
Marques, M. T. A. [1 ]
Nakaema, W. [1 ]
Moreira, A. C. de C. A. [2 ]
Landulfo, E. [1 ]
机构：
[1] Ctr Lasers & Applicat, IPEN CNEM, BR-05508915 Sao Paulo, SP, Brazil
[2] PETROBRAS Petr Brasileiro SA Res Ctr CENPES, BR-21941915 Rio De Janeiro, RJ, Brazil
来源：
LIDAR TECHNOLOGIES, TECHNIQUES, AND MEASUREMENTS FOR ATMOSPHERIC REMOTE SENSING XI | 2015年 / 9645卷
关键词：
Planetary boundary layer height; low-level jet; Doppler lidar; PROFILES; DEPTH;
D O I：
10.1117/12.2195278
中图分类号：
P4 [大气科学（气象学）];
学科分类号：
0706 ; 070601 ;
摘要：
The planetary boundary layer (PBL) is an important region of study in the troposphere and one of its more important variable: the PBL height (PBLH) is not easy to detect, mainly in stable conditions due to its complexity. In order to detect the PBLH in stable conditions, in this paper, we apply the low-lev jet (LLJ) method using Doppler lidar measurements, which consists on detecting the LLJ and its maximum velocity height, corresponding to the PBLH. In addition, we analyze this method by comparing and relating it with the variance of horizontal wind and bulk Richardson number (BRN) method from radiosonde data, ensuring the method's efficiency.
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页数：10
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