Guo-xian ZHANG, Ren-zhi HU, Pin-hua XIE, Feng-yang WANG, Yi-hui WANG, Jin-zhao TONG, Shi-yi CHEN, Shu-le LI, Wan-yi QIU, Wen-qing LIU. Observation and Analysis of Taizhou Atmosphere NH3 Concentration by Off-Axis Integrated Cavity Output Spectroscopy[J]. Spectroscopy and Spectral Analysis, 2021, 41(2): 360

Search by keywords or author
- Spectroscopy and Spectral Analysis
- Vol. 41, Issue 2, 360 (2021)

Fig. 1. OA-ICOS system schematic diagram

Fig. 2. Observation site

Fig. 3. Change curve of NH3 desorption concentration

Fig. 4. (a) Total time series of pollutant concentration; (b) Time series of NH3 concentration in pollution events; (c) Wind direction wind speed rose illustration

Fig. 5. Daily variation of pollutant concentration

Fig. 6. (a) Diurnal relationship between NH3 concentration and ambient temperature; (b) Relationship between NH3 concentration and temperature and humidity in the morning of June 12

Fig. 7. Morning trends of NH3, NOx and CO on June 6, 7, 8, 9, and 14

Fig. 8. (a) The correlation of NH3vs NOx during morning peak on June 7; (b) The correlation of NH3vs CO during morning peak on June 7

Fig. 9. Analysis results of backward trajectory during observation
|
Table 1. Statistics of gaseous pollutant concentration and meteorological parameters
|
Table 2. Comparison of the concentration of NH3 in different parts of the world
|
Table 3. Different air flow paths and the corresponding concentrations of O3, NOx, NH3 and CO

Set citation alerts for the article
Please enter your email address