Study of Tropospheric NO2 VCD from August 2013 to July 2014 with Ground-Based 
MAX-DOAS in Hefei and Comparison with OMI Observation

Fu-sheng, Mou; Ang, Li; Pin-hua, Xie; Wang, Yang; Jie, Zhang; Jin, Xu; Feng-cheng, Wu; Hao, Chen

doi:10.3964/j.issn.1000-0593(2017)04-1042-06

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Study of Tropospheric NO₂ VCD from August 2013 to July 2014 with Ground-Based MAX-DOAS in Hefei and Comparison with OMI Observation

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Wang, Yang
Satellite Remote Sensing, Max Planck Institute for Chemistry, Max Planck Society;

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Citation

Fu-sheng, M., Ang, L., Pin-hua, X., Wang, Y., Jie, Z., Jin, X., et al. (2017). Study of Tropospheric NO₂ VCD from August 2013 to July 2014 with Ground-Based MAX-DOAS in Hefei and Comparison with OMI Observation. Guangpuxue-yu-guangpu-fenxi = Spectroscopy and Spectral Analysis, 37(4), 1042-1047. doi:10.3964/j.issn.1000-0593(2017)04-1042-06.

Cite as: https://hdl.handle.net/11858/00-001M-0000-002D-991B-C

Abstract

The tropospheric NO2 vertical column density（VCD）in Hefei area was studied with groud-based MAX-DOAS data from August 2013 to July 2014.It is shown that tropospheric NO2 VCD season mean and month mean values changed greatly.The maximum value was in the winter while the minimum value was in the summer with the season mean value in winter of 2.09×1016 mol·cm-2 whihc was 2.2times of that in the summer.The research of average diurnal variation in different seasons displayed that biggest discrepancy appeared in the afternoon.Comparison between MAX-DOAS measurements and OMI observations had been conducted and results had an good agreement,especially in cloud-free condition（R2=0.88）.The season mean value of tropospheric NO2 VCD around Hefei area from OMI observation showed that high NO2 in Hefei was mainly from local accumulation instead of transportation