Journal of Atmospheric and Environmental Optics, Volume. 18, Issue 1, 36(2023)
Influence of short-duration high-strength tourism activities on urban air quality
Figures & Tables(6)
Fig. 1. Daily variation of the number of tourists (a) in Wulingyuan scenic spot and the NO2 concentration in Zhangjiajie City (b) in 2015
Fig. 2. IMF and RES of NO2 concentration in urban air of Zhangjiajie in 2015
Fig. 4. DCCA analysis of the high frequency component IMF1 of tourist number and NO2 concentration
Fig. 5. DCCA analysis of the high frequency component IMF2 of tourist number and NO2 concentration
Table 1. Average period and variance contribution rate of each IMF in two time series
View tableView in ArticleTable 1. Average period and variance contribution rate of each IMF in two time series
IMF components NO2 concentration Number of tourists Average
period/h
Variance
ratio/%
Average
period/h
Variance
ratio/%
IMF1 3.8 10.1 3.5 4.0 IMF2 7.3 3.3 7.0 5.5 IMF3 24.3 3.7 14.6 4.4 IMF4 40.6 3.7 30.4 7.5 IMF5 73 3.2 91.3 26.3 IMF6 121.7 2.0 365 6.6 IMF7 365 8.7 365 1.3 RES 365 65.4 365 44.4
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Juan DU, Wenyan OUYANG, Chunqiong LIU, Bo WU, Jiao ZHANG, Kai SHI. Influence of short-duration high-strength tourism activities on urban air quality[J]. Journal of Atmospheric and Environmental Optics, 2023, 18(1): 36
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Received: Oct. 9, 2020
Accepted: --
Published Online: Apr. 17, 2023
The Author Email: LIU Chunqiong (liuchunqiong@163.com)
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