Atmospheric Measurement Techniques
Atmospheric Measurement Techniques
AMT
Articles | Volume 12, issue 6
Articles | Volume 12, issue 6
https://doi.org/10.5194/amt-12-3223-2019
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.
Special issue:
https://doi.org/10.5194/amt-12-3223-2019
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 12, issue 6
Research article
 | 
17 Jun 2019
Research article |  | 17 Jun 2019

Simultaneous measurement of NO and NO2 by a dual-channel cavity ring-down spectroscopy technique

Zhiyan Li, Renzhi Hu, Pinhua Xie, Hao Chen, Xiaoyan Liu, Shuaixi Liang, Dan Wang, Fengyang Wang, Yihui Wang, Chuan Lin, Jianguo Liu, and Wenqing Liu

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AR by Renzhi Hu on behalf of the Authors (22 Apr 2019)  Author's response   Manuscript 
ED: Publish subject to technical corrections (04 May 2019) by Weidong Chen
AR by Renzhi Hu on behalf of the Authors (06 May 2019)  Manuscript 
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Short summary
A dual-channel CRDS system for NO2 and NO detection is reported. The detection limits of the developed CRDS system for NO2 and NOx measurements are estimated to be about 0.030 ppb (1σ, 1 s) and 0.040 ppb (1σ, 1 s), respectively. The measurements of on-road vehicle emission plumes by this mobile CRDS instrument show the different emission characteristics in the urban and suburban areas of Hefei. The instrument provides a new method for retrieving fast variations in NO and NO2 plumes.
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Special issue
Advances in cavity-based techniques for measurements of atmospheric...