Technical Note
Version 1
Preserved in Portico This version is not peer-reviewed
In-flight Preliminary Performance of GF-5B/Absorbing Aerosol Sensor
Version 1
: Received: 28 July 2023 / Approved: 28 July 2023 / Online: 31 July 2023 (10:59:01 CEST)
A peer-reviewed article of this Preprint also exists.
Wang, Y.; Zhang, Z.; Mao, J.; Wang, H.; Shi, E.; Liu, X.; Li, P.; Liu, J. In-Flight Preliminary Performance of GF-5B/Absorbing Aerosol Sensor. Remote Sens. 2023, 15, 4343. Wang, Y.; Zhang, Z.; Mao, J.; Wang, H.; Shi, E.; Liu, X.; Li, P.; Liu, J. In-Flight Preliminary Performance of GF-5B/Absorbing Aerosol Sensor. Remote Sens. 2023, 15, 4343.
Abstract
The Absorbing Aerosol Sensor (AAS) is carried on the Gao Fen 5B (GF-5B) satellite, which allows for measuring the solar backscatter radiation by the atmosphere in UV-VIS wavelength. AAS is an imaging spectrometer using CCD for capturing both continuous spectrum and the cross-track orientation with a 114° wide swath. The broad field-of-view provides daily global envelopment with a 4 km spatial resolution at the nadir. This paper mainly analyzed the initial working status of the instrument in orbit, including wavelength calibration, radiation calibration, detector performance, and product availability. Preliminary observations indicate that the AAS can monitor the absorbing aerosol like dust, biomass burning, volcano ash, and some pollution aerosol and can identify the aerosol events in China and other regions with high spatial resolution.
Keywords
Absorbing aerosol; Absorbing aerosol index; Astigmatic telescope; Imaging spectrometer; Wavelength drift; Radiometric calibration
Subject
Environmental and Earth Sciences, Remote Sensing
Copyright: 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.
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