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A two-dimensional observation method of atmospheric trace gases based on differential optical absorption spectroscopy technique is reported in this paper. The conventional multi-axis differential absorption spectrum system is improved to make the telescope point to different directions. Thereby, the trace gas information of different azimuthal angles and consequently the distribution and variation of pollution gases around the measurement point can be obtained simultaneously. Using this method, NO2 concentration and distribution as well as O4 slant column densities are obtained. High degree of similarity is shown between O4 slant column density simulated by radiation transfer model and the measured data. Based on the measured O4 data, light path information can also be extracted. By combining with radiation transfer model, the light path differences caused by different profile modifications are corrected. The corrected NO2 slant column density is further converted into the volume mixing ratio. By comparing the calculated NO2 mixing ratio with the long-path-differential optical absorption spectroscopy data, the results show good consistency with each other.
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Keywords:
- two-dimensional observation /
- NO2 /
- O4 /
- volume mixing ratio
[1] Irie H, Takashima H, Kanaya Y, Boersma K F, Gast L, Wittrock F, Brunner D, Zhou Y, van Roozendael M 2011 Atmos. Meas. Tech. 4 1027
[2] Hendick F, Muller J F, Clemer K, Wang P, de Maziere M, Fayt C, Gielen C, Hermans C, Ma J Z, Pinardi G, Stavrakou T, Vlemmix T, van Roozendael M 2014 Atmos. Chem. Phys. 14 765
[3] Li X, Brauers T, Hofzumahaus A, Lu K, Li Y P, Shao M, Wagner T, Wahner A 2013 Atmos. Chem. Phys. 13 2133
[4] Xu J, Xie P H, Si F Q, Li A, Wu F C, Wang Y, Liu W Q, Andreas H, Chan K L 2014 Chin. Phys. B 23 094210
[5] Platt U, Stutz J 2008 Differential Optical Absorption Spectroscopy (Berlin: Springer) p138
[6] Zhou H J, Liu W Q, Si F Q, Xie P H, Xu J, Dou K 2011 Acta Opt. Sin. 31 1101007 (in Chinese) [周海金, 刘文清, 司福祺, 谢品华, 徐晋, 窦科 2011 光学学报 31 1101007]
[7] Ma J Z, Beirle S, Jin J L, Shaiganfar R, Yan P, Wagner T 2012 Atmos.Chem. Phys. Discuss. 12 26719
[8] Xu J, Xie P H, Si F Q, Dou K, Li A, Liu Y, Liu W Q 2010 Spectrosc. Spect. Anal. 30 2464 (in Chinese) [徐晋, 谢品华, 司福祺, 窦科, 李昂, 刘宇, 刘文清 2010 光谱学与光谱分析 30 2464]
[9] Eskes H J, Boersma K F 2003 Atmos. Chem. Phys. Discuss. 3 895
[10] Wang Y, Li A, Xie P H, Chen H 2013 Acta Phys. Sin. 62 180705 (in Chinese) [王杨, 李昂, 谢品华, 陈浩 2013 62 180705]
[11] Sinreich R, Merten A, Molina L, Volkamer R 2013 Atmos. Meas. Tech. 6 1521
[12] Greenblatt G D, Orlando J J, Burkholder J B 1990 J. Geophys. Res. 95 18577
[13] Wagner T, Friedeburg C, Wenig M 2002 J. Geophys. Res. 107 D204424
[14] Wagner T, Dix B, Friedeburg C 2004 J. Geophys. Res. 109 D22205
[15] Si F Q, Xie P H, Heue K P, Liu C, Peng F M, Liu W Q 2008 Acta Phys. Sin. 57 6018 (in Chinese) [司福祺, 谢品华, Klaus-Peter Heue, 刘城, 彭夫敏, 刘文清 2008 57 6018]
[16] Rozanov A, Rozanov V, Buchwitz M 2005 Adv. Space Res. 36 1015
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[1] Irie H, Takashima H, Kanaya Y, Boersma K F, Gast L, Wittrock F, Brunner D, Zhou Y, van Roozendael M 2011 Atmos. Meas. Tech. 4 1027
[2] Hendick F, Muller J F, Clemer K, Wang P, de Maziere M, Fayt C, Gielen C, Hermans C, Ma J Z, Pinardi G, Stavrakou T, Vlemmix T, van Roozendael M 2014 Atmos. Chem. Phys. 14 765
[3] Li X, Brauers T, Hofzumahaus A, Lu K, Li Y P, Shao M, Wagner T, Wahner A 2013 Atmos. Chem. Phys. 13 2133
[4] Xu J, Xie P H, Si F Q, Li A, Wu F C, Wang Y, Liu W Q, Andreas H, Chan K L 2014 Chin. Phys. B 23 094210
[5] Platt U, Stutz J 2008 Differential Optical Absorption Spectroscopy (Berlin: Springer) p138
[6] Zhou H J, Liu W Q, Si F Q, Xie P H, Xu J, Dou K 2011 Acta Opt. Sin. 31 1101007 (in Chinese) [周海金, 刘文清, 司福祺, 谢品华, 徐晋, 窦科 2011 光学学报 31 1101007]
[7] Ma J Z, Beirle S, Jin J L, Shaiganfar R, Yan P, Wagner T 2012 Atmos.Chem. Phys. Discuss. 12 26719
[8] Xu J, Xie P H, Si F Q, Dou K, Li A, Liu Y, Liu W Q 2010 Spectrosc. Spect. Anal. 30 2464 (in Chinese) [徐晋, 谢品华, 司福祺, 窦科, 李昂, 刘宇, 刘文清 2010 光谱学与光谱分析 30 2464]
[9] Eskes H J, Boersma K F 2003 Atmos. Chem. Phys. Discuss. 3 895
[10] Wang Y, Li A, Xie P H, Chen H 2013 Acta Phys. Sin. 62 180705 (in Chinese) [王杨, 李昂, 谢品华, 陈浩 2013 62 180705]
[11] Sinreich R, Merten A, Molina L, Volkamer R 2013 Atmos. Meas. Tech. 6 1521
[12] Greenblatt G D, Orlando J J, Burkholder J B 1990 J. Geophys. Res. 95 18577
[13] Wagner T, Friedeburg C, Wenig M 2002 J. Geophys. Res. 107 D204424
[14] Wagner T, Dix B, Friedeburg C 2004 J. Geophys. Res. 109 D22205
[15] Si F Q, Xie P H, Heue K P, Liu C, Peng F M, Liu W Q 2008 Acta Phys. Sin. 57 6018 (in Chinese) [司福祺, 谢品华, Klaus-Peter Heue, 刘城, 彭夫敏, 刘文清 2008 57 6018]
[16] Rozanov A, Rozanov V, Buchwitz M 2005 Adv. Space Res. 36 1015
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