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Atmosphere 2015, 6(8), 1129-1140; doi:10.3390/atmos6081129

Mie LIDAR Observations of Tropospheric Aerosol over Wuhan

1,2
,
1,2,* , 1,2
and
1,2
1
State Key Laboratory of Information Engineering in Surveying, Mapping and Remote Sensing (LIESMARS), Wuhan University, Wuhan 430079, China
2
International Research Center of Satellite Remote Sensing and Atmospheric Monitoring, Wuhan University, Wuhan 430079, China
*
Author to whom correspondence should be addressed.
Academic Editors: Richard Müller and Robert W. Talbot
Received: 13 May 2015 / Accepted: 3 August 2015 / Published: 7 August 2015
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Abstract

Wuhan is a rapidly developing large city in central China. To analyze the aerosol characteristics over Wuhan, the optical properties of the nocturnal aerosol layers in the lower troposphere were observed using a ground-based LIDAR(Light Detection And Ranging) located in the Laboratory of Information Engineering in Surveying, Mapping and Remote Sensing (LIESMARS) from Wuhan University, China (114°21′E, 30°32′N) in January 2013–January 2015. The vertical distribution and temporal variation of tropospheric aerosols over Wuhan were summarized. The atmospheric boundary layer height (ABLH) was mainly at an altitude of 1.5–2 km (~33.1% probability), with an annual average of 1.66 km. The ABLH was higher in spring–summer (~2 km) and lower in autumn–winter (~1.2 km). The aerosol optical depth (AOD) was higher in spring–autumn than in summer–winter. The highest AOD was about 0.79 in October and the lowest was about 0.08 in January. The annual average was about 0.3. To study the relationship between the AOD and the particulate matter ≤2.5 µm in the aerodynamic diameter (PM2.5) in the lower troposphere, a typical haze event from 9–14 October 2014 was investigated. The results showed a correlation coefficient of 0.5165 between these two variables. View Full-Text
Keywords: LIDAR; aerosol extinction coefficient; atmospheric boundary layer height; aerosol optical depth; PM2.5 LIDAR; aerosol extinction coefficient; atmospheric boundary layer height; aerosol optical depth; PM2.5
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Gong, W.; Liu, B.; Ma, Y.; Zhang, M. Mie LIDAR Observations of Tropospheric Aerosol over Wuhan. Atmosphere 2015, 6, 1129-1140.

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