Influence of Chlorophyll Fluorescence on Retrieval Accuracy of Carbon Dioxide and the Correction Method

Yun Jiang; Hanhan Ye; Xianhua Wang; Fenghua Duan; Hao Wu; Song Lü

doi:10.3788/AOS201838.0901004

Acta Optica Sinica, Volume. 38, Issue 9, 0901004(2018)

Influence of Chlorophyll Fluorescence on Retrieval Accuracy of Carbon Dioxide and the Correction Method

Yun Jiang^1,2、*, Hanhan Ye^1、*, Xianhua Wang¹, Fenghua Duan^1,2, Hao Wu^1,2, and Song Lü^1,2

¹ Key Laboratory of Optical Calibration and Characterization of Chinese Academy of Sciences, Anhui Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Hefei, Anhui 230031, China

² University of Science and Technology of China, Hefei, Anhui 230026, China

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Fig. 1. Global chlorophyll fluorescence map. (a)July; (b)December

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Fig. 2. Influence of chlorophyll fluorescence on CO2 retrieval. (a) AOD is 0.05; (b) AOD is 0.1; (c) AOD is 0.2; (d) AOD is 0.3; (e) AOD is 0.4; (f) AOD is 0.5

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Fig. 3. Inversion bias of XCO2 during simultaneous inversion of chlorophyll fluorescence.(a) AOD is 0.05; (b) AOD is 0.1; (c) AOD is 0.2; (d) AOD is 0.3; (e) AOD is 0.4; (f) AOD is 0.5

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Fig. 4. GOSAT summer data near Park Falls site (influence of retrieval and non-retrieval chlorophyll fluorescence on CO2 inversion)

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Table 1. Factor of simulation spectral
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Table 1. Factor of simulation spectral
Parameter Variation range
Albedo (three bands) 0.05, 0.07, 0.09, 0.1, 0.2, 0.3, 0.4, 0.5
AOD (0.55 μm) 0.05, 0.1, 0.2, 0.3, 0.4, 0.5
Solarzenith angle /(°) 30
Atmospheric profile ECMWF

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Yun Jiang, Hanhan Ye, Xianhua Wang, Fenghua Duan, Hao Wu, Song Lü. Influence of Chlorophyll Fluorescence on Retrieval Accuracy of Carbon Dioxide and the Correction Method[J]. Acta Optica Sinica, 2018, 38(9): 0901004

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