|
| Aerosol Multi-layer Vertical Distribution Detected by Lidar |
| Received:January 02, 2019 Revised:June 25, 2019 |
| View Full Text View/Add Comment Download reader |
| DOI：10.7643/ issn.1672-9242.2019.06.006 |
| KeyWord:LIDAR aerosol layer vertical distribution |
| Author | Institution |
| YU Si-qi |
1. School of Environmental Science and Optoelectronic Technology, University of Science and Technology of China, Hefei , China; 2. Key Laboratory of Atmospheric Optics, Anhui Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Hefei , China |
| LIU Dong |
2. Key Laboratory of Atmospheric Optics, Anhui Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Hefei , China |
| XU Ji-wei |
2. Key Laboratory of Atmospheric Optics, Anhui Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Hefei , China |
| WANG Zhen-zhu |
2. Key Laboratory of Atmospheric Optics, Anhui Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Hefei , China |
| WU De-cheng |
2. Key Laboratory of Atmospheric Optics, Anhui Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Hefei , China |
| WANG Ying-jian |
1. School of Environmental Science and Optoelectronic Technology, University of Science and Technology of China, Hefei , China; 2. Key Laboratory of Atmospheric Optics, Anhui Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Hefei , China |
|
| Hits: |
| Download times: |
| Abstract: |
| Objective To detect the atmospheric aerosol vertical distribution and characterize the vertical structure of aerosol and the properties of each aerosol layer. Methods Lidar data of Jinhua city was used to have case study. Planetary boundary layer (PBL) was inversed with the gradient method. The proprieties of aerosol layers at different height were analyzed based on pa-rameters of volume depolarization ratio (VDR), attenuated color ratio (ACR) and aerosol optical depth (AOD). Results Multi-layer aerosol could appear in the vertical structure of atmosphere. Lidar can accurately detect the vertical structural characteristics of aerosols over time. Analysis on aerosol layers during 00:00 to 08:00 showed that there were two aerosol layers. One was lower than 1.5 km; and the other was higher than 1.5 km. Besides, the two layers showed diverse characteristics changing with time. Conclusion The aerosol layer outside the PBL shows complex character. The depolarization ratio, extinction and color ratio, optical thickness and other parameters detected through lidar could help to characterize the vertical structure of aerosol and the properties of each aerosol layer. |
| Close |
|
|
|