Ground-based Measurements of Atmospheric Trace Gases in Beijing during the Olympic Games
Abstract
:1. Introduction
2. Atmospheric Trace Gas Measurements
2.1. Data Acquisition
2.2. Data Analysis
2.2.1. A Priori and Auxiliary Quantities
2.2.2. Spectroscopic Parameters and Microwindow Selection
2.2.3. Retrieval Method
2.2.4. Retrieval Characterization
3. Results
4. Summary
Supplementary Materials
Funding
Acknowledgments
Conflicts of Interest
References
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Target Gas | Microwindow (cm−1) | Interfering Gases | SNR |
---|---|---|---|
O3 | 2775.5814–2776.3923 | CH4, CO2, HCl, N2O | ~500 |
2778.7756–2779.4882 | CH4, HDO, N2O | ~550 | |
2781.4784–2782.0927 | CH4, HDO, N2O, CO2 | ~520 | |
CO | 2057.6834–2057.9906 | CO2, OCS, O3, H2O | ~320 |
2069.4775–2069.7969 | CO2, OCS, O3, H2O | ~340 | |
2157.4779–2159.8981 | N2O, H2O, O3, CO2 | ~300 | |
CH4 | 2859.7856–2860.2894 | H2O, O3, HCL | ~525 |
2898.2758–2898.9884 | ~475 | ||
2903.5831–2904.1974 | ~360 | ||
N2O | 2481.0756–2482.4884 | H2O, CO2, O3, CH4 | ~270 |
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Cheng, J. Ground-based Measurements of Atmospheric Trace Gases in Beijing during the Olympic Games. Sci 2019, 1, 23. https://doi.org/10.3390/sci1010023
Cheng J. Ground-based Measurements of Atmospheric Trace Gases in Beijing during the Olympic Games. Sci. 2019; 1(1):23. https://doi.org/10.3390/sci1010023
Chicago/Turabian StyleCheng, Jie. 2019. "Ground-based Measurements of Atmospheric Trace Gases in Beijing during the Olympic Games" Sci 1, no. 1: 23. https://doi.org/10.3390/sci1010023