Welcome to Chinese Agricultural Science Bulletin,

Chinese Agricultural Science Bulletin ›› 2020, Vol. 36 ›› Issue (2): 104-108.doi: 10.11924/j.issn.1000-6850.casb18080044

Special Issue: 农业气象

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Ozone in Zunyi: Spatio-temporal Variation Characteristics and the Relationship with Meteorological Conditions

Shang Yuanyuan, Zheng Yi, Song Dan, Xia Xiaoling   

  1. Guizhou Meteorological Service Center, Guiyang 550002
  • Received:2018-08-10 Revised:2018-10-29 Online:2020-01-15 Published:2020-04-30

Abstract:

The paper aims to study the distribution characteristics of O3 in Zunyi of Yun-Gui plateau and their relationships with meteorological conditions. We analyzed the data from environment monitoring stations and weather stations in Zunyi during 2014-2017. The results showed that: (1) the concentration of O3 in Zunyi fast exceeded the previous growth rate than before; (2) the concentration of O3 in Zunyi was higher in summer and autumn, and lower in spring and winter; the highest concentration of O3 was in May, the peak value of O3 was in November (52.71 μg/m 3), and the valley value was 26.18 μg/m 3; this was closely related to the long average sunshine and the high average temperature in summer and autumn; (3) the day variation curve of O3 concentration in Zunyi showed a single peak distribution, the concentration at daytime was obviously higher than that at night, and the peak value generally appeared at about 16:00; (4) urban air pollution mainly came from local emissions, and chemical transformation, solar radiation, air temperature, wind speed, sunshine and relative humidity were the main meteorological factors affecting the concentration of O3 in urban area, and the influence of the precipitation amount in complex terrain and air pressure on the transport capacity of O3 concentration were relatively weak.

Key words: O3, meteorological condition, Zunyi, Yunnan-Guizhou plateau

CLC Number: