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Proceedings Paper

Analysis of aerosol properties derived from sun photometer and lidar over Dunhuang radiometric calibration site
Author(s): Lin Chen; Yingying Jing; Peng Zhang; Xiuqing Hu
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Paper Abstract

Duhuang site has been selected as China Radiation Calibration Site (CRCS) for Remote Sensing Satellite Sensors since 1996. With the economic development of Dunhuang city, the ambient of the radiation calibration field has changed in recent years. Taking into account the key role of aerosol in radiometric calibration, it is essential to investigate the aerosol optical properties over Dunhuang radiometric calibration site. In this paper, the CIMEL sun photometer (CE-318) and Mie-scattering Lidar are simultaneously used to measure aerosol optical properties in Dunhuang site. Data from aerosol-bands of sun photometer are used in a Langley method to determine spectral optical depths of aerosol. And Lidar is utilized to obtain information of vertical profile and integrated aerosol optical depths at different heights. The results showed that the aerosol optical depth at 500 nm wavelength during the in-situ measurement campaigns varied from 0.1 to 0.3 in Dunhuang site. And the observation results also indicated that high aerosol concentration layer mostly located at the height of about 2~4 km. These results implies that the aerosol concentration of atmosphere in Dunhuang was relatively small and suitable for in-flight calibration for remote sensing satellite sensors.

Paper Details

Date Published: 5 May 2016
PDF: 8 pages
Proc. SPIE 9876, Remote Sensing of the Atmosphere, Clouds, and Precipitation VI, 98763G (5 May 2016); doi: 10.1117/12.2228016
Show Author Affiliations
Lin Chen, Key Lab. of Radiometric Calibration and Validation for Environmental Satellites (China)
National Satellite Meteorological Ctr. (China)
Yingying Jing, Key Lab. of Radiometric Calibration and Validation for Environmental Satellites (China)
National Satellite Meteorological Ctr. (China)
Institute of Remote Sensing and Digital Earth (China)
Peng Zhang, Key Lab. of Radiometric Calibration and Validation for Environmental Satellites (China)
National Satellite Meteorological Ctr. (China)
Xiuqing Hu, Key Lab. of Radiometric Calibration and Validation for Environmental Satellites (China)
National Satellite Meteorological Ctr. (China)


Published in SPIE Proceedings Vol. 9876:
Remote Sensing of the Atmosphere, Clouds, and Precipitation VI
Eastwood Im; Raj Kumar; Song Yang, Editor(s)

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