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Remote Sens. 2015, 7(5), 6320-6335; doi:10.3390/rs70506320

Application of the Ultraviolet Scanning Elastic Backscatter LiDAR for the Investigation of Aerosol Variability

1
Xi'an University of Technology, 5 South Jinhua Road, Xi'an 710048, China
2
University of Nova Gorica, Vipavska 13, SI-5000 Nova Gorica, Slovenia
*
Author to whom correspondence should be addressed.
Academic Editors: Richard Müller and Prasad S. Thenkabail
Received: 23 December 2014 / Accepted: 13 May 2015 / Published: 20 May 2015
(This article belongs to the Special Issue Aerosol and Cloud Remote Sensing)
View Full-Text   |   Download PDF [632 KB, uploaded 20 May 2015]   |  

Abstract

In order to investigate the aerosol variability over the southwest region of Slovenia, an ultraviolet scanning elastic backscatter LiDAR was utilized to make the vertical scan for atmospheric probing. With the assumption of horizontal atmospheric homogeneity, aerosol optical variables were retrieved from the horizontal pixel data points of two-dimensional range-height-indicator (RHI) diagrams by using a multiangle retrieval method, in which optical depth is defined as the slope of the resulting linear function when height is kept constant. To make the data retrieval feasible and precise, a series of key procedures complemented the data processing, including construction of the RHI diagram, correction of Rayleigh scattering, assessment of horizontal atmospheric homogeneity and retrieval of aerosol optical variables. The measurement example demonstrated the feasibility of the ultraviolet scanning elastic backscatter LiDAR in the applications of the retrieval of aerosol extinction and determination of the atmospheric boundary layer height. Three months’ data combined with the modeling of air flow trajectories using Hybrid Single Particle Lagrangian Integrated Trajectory Model were analyzed to investigate aerosol variability. The average value of aerosol extinction with the presence of land-based air masses from the European continent was found to be two-times larger than that influenced by marine aerosols from the Mediterranean or Adriatic Sea. View Full-Text
Keywords: ultraviolet scanning elastic backscatter LiDAR; aerosol optical variables; multiangle retrieval method; correction of Rayleigh scattering ultraviolet scanning elastic backscatter LiDAR; aerosol optical variables; multiangle retrieval method; correction of Rayleigh scattering
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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

Gao, F.; Stanič, S.; Bergant, K.; Li, Y.; Li, S.; Hua, D.; Wang, L. Application of the Ultraviolet Scanning Elastic Backscatter LiDAR for the Investigation of Aerosol Variability. Remote Sens. 2015, 7, 6320-6335.

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