VARIATION CHARACTERISTICS AND INFLUENCE FACTORS OF SURFACE OZONE CONCENTRATION IN LANZHOU IN 2018-2019

KONG Xiangru; CHEN Min; CHEN Hengrui; PAN Feng; PANG Ke; MA Caiyun; ZHANG Qian

doi:DOI:10.13205/j.hjgc.202207010

Volume 40 Issue 7

Sep. 2022

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KONG Xiangru, CHEN Min, CHEN Hengrui, PAN Feng, PANG Ke, MA Caiyun, ZHANG Qian. VARIATION CHARACTERISTICS AND INFLUENCE FACTORS OF SURFACE OZONE CONCENTRATION IN LANZHOU IN 2018-2019[J]. ENVIRONMENTAL ENGINEERING , 2022, 40(7): 69-75,152. doi: DOI:10.13205/j.hjgc.202207010

Citation:

KONG Xiangru, CHEN Min, CHEN Hengrui, PAN Feng, PANG Ke, MA Caiyun, ZHANG Qian. VARIATION CHARACTERISTICS AND INFLUENCE FACTORS OF SURFACE OZONE CONCENTRATION IN LANZHOU IN 2018-2019[J]. ENVIRONMENTAL ENGINEERING , 2022, 40(7): 69-75,152. doi: DOI:10.13205/j.hjgc.202207010

Citation:

KONG Xiangru, CHEN Min, CHEN Hengrui, PAN Feng, PANG Ke, MA Caiyun, ZHANG Qian. VARIATION CHARACTERISTICS AND INFLUENCE FACTORS OF SURFACE OZONE CONCENTRATION IN LANZHOU IN 2018-2019[J]. ENVIRONMENTAL ENGINEERING , 2022, 40(7): 69-75,152. doi: DOI:10.13205/j.hjgc.202207010

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VARIATION CHARACTERISTICS AND INFLUENCE FACTORS OF SURFACE OZONE CONCENTRATION IN LANZHOU IN 2018-2019

doi: DOI:10.13205/j.hjgc.202207010

College of Atmospheric Sciences, Lanzhou University, Lanzhou 730000, China

Received Date: 2021-12-12
Available Online: 2022-09-02

Abstract

Abstract

This paper investigated temporal and spatial variations of ozone concentration in Lanzhou from 2018 to 2019 and further the effects of meteorological factors and the related pollutants on O₃-8 h were discussed based on the dataset of observation from the meteorological stations and four air monitoring stations in Lanzhou.The results indicated that:1) The monthly concentration variation of O₃-8 h showed a single peak trend in all stations in Lanzhou.The high value appeared from April to August and the low value appeared in winter.The diurnal distribution of O₃ concentration showed a single peak pattern,and the highest concentration appeared at about 15:00.2) Relevant pollutants had a negative correlation with O₃-8 h,which showed that the concentration of O₃-8 h decreased with the increase of NO₂,CO and PM_2.5.3) High temperature and low humidity were conducive to the formation of O₃ in Lanzhou,while the special topographic conditions led to the accumulation of ozone more easily under a certain wind speed.4) By establishing regression equations of multiple linear of related pollutants and meteorological factors,the effects of related pollutants and meteorological factors on O₃-8 h concentration were studied.The results showed that the influence of meteorological factors on the concentration of O₃ in Lanzhou was more important than that of the related pollutants under the current meteorological conditions and related pollutants emission status.
- variation characteristics of O₃ concentration,
- meteorological parameter,
- correlation

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References(34)

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