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Direct-sun DOAS(DS-DOAS) technique is successfully applied to the measurement of atmospheric trace gas vertical column density(VCD). The DS-DOAS technique for continuously measuring NO2 total vertical column density is investigated based on the passive DOAS. The composition of system is introduced. The statistical method minimum-amount Langley-extrapolation is utilized to reduce the errors from the selected reference spectrum. The VCD measuring error is estimated and the error source is discussed. The NO2 total VCD is measured based on the system in Hefei city in a consecutive period of 11 days. And the results are analyzed. The experiment has verified the feasibility of the algorithm and proved that the technique can be used to continuously measure NO2 total vertical column density.
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Keywords:
- atmospheric optics /
- direct-sun differential optical absorption spectroscopy /
- NO2 total vertical column density
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[2] Zhou B, Liu W Q, Qi F 2001 Res. Environ. Sci. 14 23 (in Chinese) [周斌, 刘文清, 齐峰 2001 环境科学研究 14 23]
[3] Xu J, Xie P H, Si F Q 2010 Spectrosc. Spect. Anal. 30 2464 (in Chinese) [徐晋, 谢品华, 司福祺 2010 光谱学与光谱分析 30 2464]
[4] Jay H, Alexander C, Elena S 2009 J. Geophys. Res. 114 D11307
[5] Zhou B, Liu W Q 2000 Acta Phys. Sin. 49 2507 (in Chinese) [周斌, 刘文清 2000 49 2507]
[6] Xue Y Q, Niu J G, Wen Q L 2000 Jpn. J. Appl. Phys. 39 622
[7] Cheng M X, Zheng Y C, Cheng J, Yang J G, Zhou H G 2007 J. Light Scattering 19 142
[8] Platt U, Stutz J 2008 Differential Optical Absorption Spectroscopy (Berlin: Springer-Verlag Heidelberg) p133
[9] Gruzdev A N 2008 4th SPARC General Assembly Bologna, Italy, August 31--September 5, 2008 p5
[10] Shi P, Xie P H, Li A 2010 Acta Opt. Sin. 30 3643 (in Chinese) [石鹏, 谢品华, 李昂 2010 光学学报 30 3643]
[11] Hönninger G, von Friedeburg C, Platt U 2004 Atmos. Chem. Phys. 4 231
[12] Fay C, Roozendael V 2001 WinDOAS2.1 Software User Mannual, IASB/BIRA
[13] Chance K, Kurucz R L 2010 J. Quant. Spectrosc. Ra. 111 1289
[14] Celarier E A, Brinksma E J 2008 J. Geophys. Res. 113 D15S15
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[1] Crutzen P J 1979 Annu. Rev. Earth. Pl. Sci. 7 443
[2] Zhou B, Liu W Q, Qi F 2001 Res. Environ. Sci. 14 23 (in Chinese) [周斌, 刘文清, 齐峰 2001 环境科学研究 14 23]
[3] Xu J, Xie P H, Si F Q 2010 Spectrosc. Spect. Anal. 30 2464 (in Chinese) [徐晋, 谢品华, 司福祺 2010 光谱学与光谱分析 30 2464]
[4] Jay H, Alexander C, Elena S 2009 J. Geophys. Res. 114 D11307
[5] Zhou B, Liu W Q 2000 Acta Phys. Sin. 49 2507 (in Chinese) [周斌, 刘文清 2000 49 2507]
[6] Xue Y Q, Niu J G, Wen Q L 2000 Jpn. J. Appl. Phys. 39 622
[7] Cheng M X, Zheng Y C, Cheng J, Yang J G, Zhou H G 2007 J. Light Scattering 19 142
[8] Platt U, Stutz J 2008 Differential Optical Absorption Spectroscopy (Berlin: Springer-Verlag Heidelberg) p133
[9] Gruzdev A N 2008 4th SPARC General Assembly Bologna, Italy, August 31--September 5, 2008 p5
[10] Shi P, Xie P H, Li A 2010 Acta Opt. Sin. 30 3643 (in Chinese) [石鹏, 谢品华, 李昂 2010 光学学报 30 3643]
[11] Hönninger G, von Friedeburg C, Platt U 2004 Atmos. Chem. Phys. 4 231
[12] Fay C, Roozendael V 2001 WinDOAS2.1 Software User Mannual, IASB/BIRA
[13] Chance K, Kurucz R L 2010 J. Quant. Spectrosc. Ra. 111 1289
[14] Celarier E A, Brinksma E J 2008 J. Geophys. Res. 113 D15S15
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