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Volume 14
Issue 19
10.3390/rs14194771
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Article

Retrieval of Stratospheric Ozone Profiles from Limb Scattering Measurements of the Backward Limb Spectrometer on Chinese Space Laboratory Tiangong-2: Preliminary Results

by
Song Liu
1,2,
Xuemei Zong
1,
Congcong Qiao
1,2,
Daren Lyu
1,2,
Wenxing Zhang
1,
Jinqiang Zhang
1,2,
Hailei Liu
3 and
Minzheng Duan
1,2,3,*
1
Key Laboratory of Middle Atmosphere and Global Environment Observation, Institute of Atmospheric Physics, Chinese Academy of Sciences, Beijing 100029, China
2
College of Earth and Planetary Sciences, University of Chinese Academy of Sciences, Beijing 100049, China
3
College of Electronic Engineering, Chengdu University of Information Technology, Chengdu 610225, China
*
Author to whom correspondence should be addressed.
Remote Sens. 2022, 14(19), 4771; https://doi.org/10.3390/rs14194771
Submission received: 26 July 2022 / Revised: 13 September 2022 / Accepted: 16 September 2022 / Published: 23 September 2022
(This article belongs to the Special Issue Remote Sensing of Atmospheric Composition)
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Abstract

The Backward Limb Spectrometer (BLS) onboard the Tiangong-2 (TG-2) space laboratory, the first spaceborne limb sounding instrument of China, was successfully launched on 15 September 2016, and its measurements of scattered photons of sunlight along the limb line-of-sight (LOS) in the 290–1000 nm range could be used to derive the vertical distribution of stratospheric ozone with high vertical resolution. Ozone profiles with a vertical resolution of one km in 10–40 km and 30–50 km were retrieved by the triplet and pair methods, respectively, and the ozone profiles retrieved by the BLS were compared with the ozone sounding data over four sounding stations. Meanwhile, the Ozone Mapping and Profiler Suite Limb Profiler (OMPS/LP) version 2.5 (v2.5) stratospheric ozone profile product was also introduced for comparison. The retrieval results showed a good agreement with the ozone profiles of ozone sounding and the OMPS/LP v2.5 product, and the differences were basically within 25% above 20 km, while relatively larger differences occasionally occurred below 20 km. The case studies over four sites worldwide demonstrate that the BLS is capable of measuring stratospheric ozone profiles with high vertical resolution.
Keywords: ozone profile; limb sounding; Tiangong-2; OMPS/LP ozone profile; limb sounding; Tiangong-2; OMPS/LP

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MDPI and ACS Style

Liu, S.; Zong, X.; Qiao, C.; Lyu, D.; Zhang, W.; Zhang, J.; Liu, H.; Duan, M. Retrieval of Stratospheric Ozone Profiles from Limb Scattering Measurements of the Backward Limb Spectrometer on Chinese Space Laboratory Tiangong-2: Preliminary Results. Remote Sens. 2022, 14, 4771. https://doi.org/10.3390/rs14194771

AMA Style

Liu S, Zong X, Qiao C, Lyu D, Zhang W, Zhang J, Liu H, Duan M. Retrieval of Stratospheric Ozone Profiles from Limb Scattering Measurements of the Backward Limb Spectrometer on Chinese Space Laboratory Tiangong-2: Preliminary Results. Remote Sensing. 2022; 14(19):4771. https://doi.org/10.3390/rs14194771

Chicago/Turabian Style

Liu, Song, Xuemei Zong, Congcong Qiao, Daren Lyu, Wenxing Zhang, Jinqiang Zhang, Hailei Liu, and Minzheng Duan. 2022. "Retrieval of Stratospheric Ozone Profiles from Limb Scattering Measurements of the Backward Limb Spectrometer on Chinese Space Laboratory Tiangong-2: Preliminary Results" Remote Sensing 14, no. 19: 4771. https://doi.org/10.3390/rs14194771

APA Style

Liu, S., Zong, X., Qiao, C., Lyu, D., Zhang, W., Zhang, J., Liu, H., & Duan, M. (2022). Retrieval of Stratospheric Ozone Profiles from Limb Scattering Measurements of the Backward Limb Spectrometer on Chinese Space Laboratory Tiangong-2: Preliminary Results. Remote Sensing, 14(19), 4771. https://doi.org/10.3390/rs14194771

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