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Proceedings Paper

Aerosol optical depth retrieval over land using FY-3A data and its application in dust monitoring
Author(s): Linlu Mei; Yong Xue; Jie Guang; Yingjie Li; Ying Wang; Hui Xu; Xingwei He; Shuzhen Jiang; Xijuan Jiao; Ziqiang Chen; Jianwen Ai
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Paper Abstract

The accuracy of aerosol optical depth (AOD) products from polar-orbit satellites such as FengYun-3A (FY3A) is limited, especially over land because it is hard to discriminate the contribution of the observed signal reflected by the surface from the one scattered and absorbed by the aerosols over bright surface. In this paper, an approach by exploiting the synergy of FengYun-3A (FY-3A) and Moderate Resolution Imaging Spectroradiometer (MODIS) data were presented. The derived AOD compared to Aerosol Robotic Network (AERONET) observation and retrieval absolute error around 0.1 is found, with R2 of 0.77. Moreover, a dust episode was presented in Mongolia on late March, 2010.; By using HYbrid Single-Particle Lagrangian Integrated Trajectory (HYSPLIT) mode as well as the meteorological parameters, we analyzed the advection and dispersion of this event, its transport effect for the episode and its influence. Our data demonstrated that AOD increased up to 2.0 during the burning phase and then returned to normal values (0.2- 0.5), and the aerosol properties various, including both the AOD and aerosol type or source, which has a vertical distribution difference, fully in line with transport process. This method should be wildly used on FY series satellite.

Paper Details

Date Published: 16 August 2011
PDF: 8 pages
Proc. SPIE 8203, Remote Sensing of the Environment: The 17th China Conference on Remote Sensing, 82030L (16 August 2011); doi: 10.1117/12.910398
Show Author Affiliations
Linlu Mei, State Key Lab. of Remote Sensing Science (China)
Graduate Univ. of the Chinese Academy of Sciences (China)
Yong Xue, State Key Lab. of Remote Sensing Science (China)
London Metropolitan Univ. (United Kingdom)
Jie Guang, State Key Lab. of Remote Sensing Science (China)
Yingjie Li, State Key Lab. of Remote Sensing Science (China)
Graduate Univ. of the Chinese Academy of Sciences (China)
Ying Wang, State Key Lab. of Remote Sensing Science (China)
Graduate Univ. of the Chinese Academy of Sciences (China)
Hui Xu, State Key Lab. of Remote Sensing Science (China)
Graduate Univ. of the Chinese Academy of Sciences (China)
Xingwei He, State Key Lab. of Remote Sensing Science (China)
Graduate Univ. of the Chinese Academy of Sciences (China)
Shuzhen Jiang, Shandong Univ. of Science and Technology (China)
Xijuan Jiao, Shandong Univ. of Science and Technology (China)
Ziqiang Chen, Ctr. for Earth Observation and Digital Earth (China)
Graduate Univ. of the Chinese Academy of Sciences (China)
Jianwen Ai, Guangdong Electronics Industry Institute (China)


Published in SPIE Proceedings Vol. 8203:
Remote Sensing of the Environment: The 17th China Conference on Remote Sensing

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