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The multi-axis differential optical absorption spectroscopy (MAX-DOAS) technique, in which solar scattered light beams of different elevation angles are used and the spatial distribution of various trace gases is derived, has been widely used for monitoring the NO2 slant column density. Due to the lack of information in a detectable horizontal range of the MAX-DOAS instrument, the concentration of trace gases including NO2 is unable to yield directly. In this work, the relationship between extinction coefficient and light path length of MAX-DOAS observation is analyzed, and a retrieval algorithm to convert the horizontal NO2 differential slant column density into the volume mixing ratio with the information of visibility is described. This algorithm has been used in the MAX-DOAS observation at Hefei, and volume NO2 mixing ratio is derived from MAX-DOAS measurement combining the data of visibility. The NO2 concentration measured with MAX-DOAS shows that it is in good agreement with the result obtained with long path differential optical absorption spectroscopy, proving the feasibility of the retrieval method. This research presents a simple and effective monitoring method of volume NO2 mixing ratio with MAX-DOAS, there by expanding the application scope of MAX-DOAS technique.
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Keywords:
- multi-axis differential optical absorption spectroscopy /
- extinction coefficient /
- visibility /
- NO2 mixing ratio
[1] Gregg J W, Jones C G, Dawson T E 2003 Nature 424 183
[2] Ramanathan V, Crutzen P J, Kiehl J T, Rosenfeld D 2001 Science 294 2119
[3] Zhang Q, Kang S C, Huo H, He K B, Streets D 2010 EGU General Assembly Vienna, Austria, May 2-7, 2010 p9847
[4] Honninger G, Von Friedeburg C, Platt U 2004 Atmos. Chen. Phys. 4 231
[5] Wagner T, Ibrahim O, Shaiganfar R, Platt U 2010 Atmos. Meas. Tech. 3 129
[6] Si F Q, Xie P H, Dou K, Zhan K, Liu Y, Xu J, Liu W Q 2010 Acta Phys. Sin. 59 2876 (in Chinese) [司福祺, 谢品华, 窦科, 詹铠, 刘宇, 徐晋, 刘文清 2010 59 2876]
[7] Heckel A, Richter A, Tarsu T, Wittrock F, Hak C, Pundt I, Junkermann W, Burrows J P 2005 Atmos. Chem. Phys. 5 909
[8] Irie H, Takashima H, Boersma K F, Gast L, Wittrock F, Brunner D, Zhou Y, van Roozendael M 2011 Atmos. Meas. Tech. Discuss 8 341
[9] Li A, Xie P H, Liu C, Liu J G, Liu W Q 2007 Chin. Phys. Lett. 24 2859
[10] Li X, Brauers T, Shao M, Garland R M, Wagner T, Deutschmann T, Wagner A 2010 Atmos. Chem. Phys. 10 2079
[11] Lee H, Kim Y J, Jung J, Lee C, Heue K P, Platt U, Hu M, Zhu T 2009 J. Environ. Manage. 90 1814
[12] Rozanov A, Rozanov V, Buchwitz M, Kokhanovsky A, Burrows J P 2005 Adv. Space Res. 36 1015
[13] Zhou X J 1995 Advanced Atmosphere Physics (Beijing: China Meteorological Press) p750 (in Chinese) [周秀骥 1995 高等大气物理学 (北京:气象出版社) 第750页]
[14] Angstrom A 1964 Tellus 16 64
[15] Fish D J, Jones R L 1995 Geophys. Res. Lett. 22 811
[16] Xu J, Xie P H, Si F Q, Li A, Liu W Q 2012 Acta Phys. Sin. 61 024204 (in Chinese) [徐晋, 谢品华, 司福祺, 李昂, 刘文清 2012 61 024204]
[17] Wang Y S, Xin J Y, Li Z Q, Wang P C, Wang S G, Wen T X, Sun Y 2006 Environ. Sci. 27 1703 (in Chinese) [王跃思, 辛金元, 李占清, 王普才, 王式功, 温天雪, 孙扬 2006 环境科学 27 1703]
[18] Li H, Sun X J 2009 Infrared Laser Eng. 38 1094 (in Chinese) [李浩, 孙学金 2009 红外与激光工程 38 1094]
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[1] Gregg J W, Jones C G, Dawson T E 2003 Nature 424 183
[2] Ramanathan V, Crutzen P J, Kiehl J T, Rosenfeld D 2001 Science 294 2119
[3] Zhang Q, Kang S C, Huo H, He K B, Streets D 2010 EGU General Assembly Vienna, Austria, May 2-7, 2010 p9847
[4] Honninger G, Von Friedeburg C, Platt U 2004 Atmos. Chen. Phys. 4 231
[5] Wagner T, Ibrahim O, Shaiganfar R, Platt U 2010 Atmos. Meas. Tech. 3 129
[6] Si F Q, Xie P H, Dou K, Zhan K, Liu Y, Xu J, Liu W Q 2010 Acta Phys. Sin. 59 2876 (in Chinese) [司福祺, 谢品华, 窦科, 詹铠, 刘宇, 徐晋, 刘文清 2010 59 2876]
[7] Heckel A, Richter A, Tarsu T, Wittrock F, Hak C, Pundt I, Junkermann W, Burrows J P 2005 Atmos. Chem. Phys. 5 909
[8] Irie H, Takashima H, Boersma K F, Gast L, Wittrock F, Brunner D, Zhou Y, van Roozendael M 2011 Atmos. Meas. Tech. Discuss 8 341
[9] Li A, Xie P H, Liu C, Liu J G, Liu W Q 2007 Chin. Phys. Lett. 24 2859
[10] Li X, Brauers T, Shao M, Garland R M, Wagner T, Deutschmann T, Wagner A 2010 Atmos. Chem. Phys. 10 2079
[11] Lee H, Kim Y J, Jung J, Lee C, Heue K P, Platt U, Hu M, Zhu T 2009 J. Environ. Manage. 90 1814
[12] Rozanov A, Rozanov V, Buchwitz M, Kokhanovsky A, Burrows J P 2005 Adv. Space Res. 36 1015
[13] Zhou X J 1995 Advanced Atmosphere Physics (Beijing: China Meteorological Press) p750 (in Chinese) [周秀骥 1995 高等大气物理学 (北京:气象出版社) 第750页]
[14] Angstrom A 1964 Tellus 16 64
[15] Fish D J, Jones R L 1995 Geophys. Res. Lett. 22 811
[16] Xu J, Xie P H, Si F Q, Li A, Liu W Q 2012 Acta Phys. Sin. 61 024204 (in Chinese) [徐晋, 谢品华, 司福祺, 李昂, 刘文清 2012 61 024204]
[17] Wang Y S, Xin J Y, Li Z Q, Wang P C, Wang S G, Wen T X, Sun Y 2006 Environ. Sci. 27 1703 (in Chinese) [王跃思, 辛金元, 李占清, 王普才, 王式功, 温天雪, 孙扬 2006 环境科学 27 1703]
[18] Li H, Sun X J 2009 Infrared Laser Eng. 38 1094 (in Chinese) [李浩, 孙学金 2009 红外与激光工程 38 1094]
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