Acta Optica Sinica, Volume. 40, Issue 5, 0501002(2020)
Analysis of the Emission Flux of Pollution Source NOx Based on Synchronous Observation of Airborne and Vehicular Differential Optical Absorption Spectroscopy Technique
Figures & Tables(9)
Fig. 4. DOAS fitting drawing. (a) Measurement spectral structure; (b) NO2 fitting differential absorption optical depth; (c) fitting residuals
Fig. 5. DOAS detects NO2 concentration distribution. (a) Vehicular detection concentration distribution; (b) airborne detection concentration distribution; (c) vehicular detection concentration distribution in power plant; (d) vehicular detection concentration distribution in steel mills
Fig. 6. Correlation between airborne and vehicular measurements of NO2 concentrations
Fig. 7. Diagram of wind speed and wind direction of observed area. (a) Wind direction of experimental area; (b) real-time wind speed
Table 1. Parameters of vehicle DOAS retrieval NO2 spectrum
View tableTable 1. Parameters of vehicle DOAS retrieval NO2 spectrum
Parameter Species Specification Wavelength range /nm 356--376 Spectral calibration method Mercury lamp Degree of polynomial 5 Pseudo-absorber Ring spectrum CH2O Data from Calvert et al., 2000, 273 K Absorption cross section NO2 Data from Merienne et al., 1997, 220 K O3 Data from Bogumil et al., 2003, 243 K O4 Data from Hermans et al., 2011, 298 K
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Dongshang Yang, Yi Zeng, Liang Xi, Haijin Zhou, Xiaohan Qiu, Yuhan Luo, Fuqi Si, Wenqing Liu. Analysis of the Emission Flux of Pollution Source NOx Based on Synchronous Observation of Airborne and Vehicular Differential Optical Absorption Spectroscopy Technique[J]. Acta Optica Sinica, 2020, 40(5): 0501002
Paper Information
Category: Atmospheric Optics and Oceanic Optics
Received: Sep. 6, 2019
Accepted: Nov. 26, 2019
Published Online: Mar. 10, 2020
The Author Email: Zeng Yi (yzeng@aiofm.ac.cn)
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