Measurement and Retrieval of Tropospheric NO2 and Aerosol Optical Depth Based on MAX-DOAS

Abstract

Abstract:

With the development of global industrialization and increasing population, the atmosphere environment has been a serious problem. NO2 and aerosols play an important role in atmosphere chemistry. Ground-based multi axis differential optical absorption spectroscopy(MAX-DOAS) has been successfully applied in the measurements of the trace gas vertical column density(VCD) and aerosol optical depth(AOD). NO2 VCD and AOD were measured based on MAX-DOAS in Hefei City during the open stalk burning period. NO2 VCD was compared with the result of OMI, and results of AOD was compared with sunphometer(CE318). It showed that NO2 concentration measured by MAX-DOAS was 1.9 times higher than that of Ozone Monitoring Instrument (OMI), the maximum is 1.9 times the results of OMI, and both instruments had good accordance during clear days. The correlation coefficient between AOD measured by MAX-DOAS and that by CE318 is larger than 0.9.

Key words: multi axis differential optical absorption spectroscopy, vertical column density, aerosol optical depth, sunphotometer

CLC Number:

X851

MOU Fu-Sheng, LI Ang, XIE Pin-Hua, WANG Yang, XU Jin, ZHANG Jie, CHEN Hao, WU Feng-Cheng. Measurement and Retrieval of Tropospheric NO2 and Aerosol Optical Depth Based on MAX-DOAS[J]. Journal of Atmospheric and Environmental Optics, 2015, 10(3): 231-238.

References

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Measurement and Retrieval of Tropospheric NO2 and Aerosol Optical Depth Based on MAX-DOAS

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