Comparative Analysis of Ozone Pollution Characteristics between Urban Area and Southern Mountainous Area of Urumqi, China
The difference in ozone (O<sub>3</sub>) concentration between stations in the urban and southern mountainous areas of Urumqi was explored based on mathematical statistics and comparative analysis of pollutant concentrations. Besides, potential source contribution function (PSCF) analysis...
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MDPI AG
2023-09-01
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| Series: | Atmosphere |
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| Online Access: | https://www.mdpi.com/2073-4433/14/9/1387 |
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| author | Cuiyun Zhu Qing He Zhujun Zhao Xinchun Liu Zongchao Pu |
| author_facet | Cuiyun Zhu Qing He Zhujun Zhao Xinchun Liu Zongchao Pu |
| author_sort | Cuiyun Zhu |
| collection | DOAJ |
| description | The difference in ozone (O<sub>3</sub>) concentration between stations in the urban and southern mountainous areas of Urumqi was explored based on mathematical statistics and comparative analysis of pollutant concentrations. Besides, potential source contribution function (PSCF) analysis and concentration weighted trajectory (CWT) analysis were performed to identify the potential sources of PM<sub>2.5</sub> and O<sub>3</sub>. The results showed that the daily and monthly mean O<sub>3</sub> concentrations in the urban area of Urumqi showed a bimodal variation from October 2017 to August 2018, and the O<sub>3</sub> concentration had obvious seasonal characteristics, with the highest in July (120.57 μg/m<sup>3</sup>) and the lowest in January (22.38 μg/m<sup>3</sup>). The overall variation of O<sub>3</sub> concentration in the mountainous area in the southern suburb of Urumqi was not significant (56.69–84.06 μg/m<sup>3</sup>), and the O<sub>3</sub> concentration was slightly higher in summer than in other seasons. The daily O<sub>3</sub> concentration in the urban area showed a unimodal variation in all seasons, and the daily variation was the smallest in winter and the largest in summer. However, the daily variation in the mountainous area was not significant. The O<sub>3</sub> concentration in the urban area showed a significant negative weekend effect in winter and a positive weekend effect in spring and summer. However, the O<sub>3</sub> concentration only showed a significant positive weekend effect in the mountainous area in summer. The PSCF and CWT analysis results of urban O<sub>3</sub> concentration showed that Urumqi, Shihezi, and Wusu were the main O<sub>3</sub> source areas. In addition, some areas bordering Kazakhstan in Xinjiang, China were also important source areas. |
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| language | English |
| last_indexed | 2024-03-10T23:04:04Z |
| publishDate | 2023-09-01 |
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| series | Atmosphere |
| spelling | doaj.art-f8290e2d42fb4381b142ef60f730d7812023-11-19T09:30:34ZengMDPI AGAtmosphere2073-44332023-09-01149138710.3390/atmos14091387Comparative Analysis of Ozone Pollution Characteristics between Urban Area and Southern Mountainous Area of Urumqi, ChinaCuiyun Zhu0Qing He1Zhujun Zhao2Xinchun Liu3Zongchao Pu4National Observation and Research Station of Taklimakan Desert Meteorology/Taklimakan Desert Meteorology Field Experiment Station of China Meteorological Administration/Xinjiang Key Laboratory of Desert Meteorology and Sandstorm, Institute of Desert Meteorology, China Meteorological Administration, Urumqi 830002, ChinaNational Observation and Research Station of Taklimakan Desert Meteorology/Taklimakan Desert Meteorology Field Experiment Station of China Meteorological Administration/Xinjiang Key Laboratory of Desert Meteorology and Sandstorm, Institute of Desert Meteorology, China Meteorological Administration, Urumqi 830002, ChinaNational Observation and Research Station of Taklimakan Desert Meteorology/Taklimakan Desert Meteorology Field Experiment Station of China Meteorological Administration/Xinjiang Key Laboratory of Desert Meteorology and Sandstorm, Institute of Desert Meteorology, China Meteorological Administration, Urumqi 830002, ChinaNational Observation and Research Station of Taklimakan Desert Meteorology/Taklimakan Desert Meteorology Field Experiment Station of China Meteorological Administration/Xinjiang Key Laboratory of Desert Meteorology and Sandstorm, Institute of Desert Meteorology, China Meteorological Administration, Urumqi 830002, ChinaUrumqi Meteorological Bureau, Urumqi 830002, ChinaThe difference in ozone (O<sub>3</sub>) concentration between stations in the urban and southern mountainous areas of Urumqi was explored based on mathematical statistics and comparative analysis of pollutant concentrations. Besides, potential source contribution function (PSCF) analysis and concentration weighted trajectory (CWT) analysis were performed to identify the potential sources of PM<sub>2.5</sub> and O<sub>3</sub>. The results showed that the daily and monthly mean O<sub>3</sub> concentrations in the urban area of Urumqi showed a bimodal variation from October 2017 to August 2018, and the O<sub>3</sub> concentration had obvious seasonal characteristics, with the highest in July (120.57 μg/m<sup>3</sup>) and the lowest in January (22.38 μg/m<sup>3</sup>). The overall variation of O<sub>3</sub> concentration in the mountainous area in the southern suburb of Urumqi was not significant (56.69–84.06 μg/m<sup>3</sup>), and the O<sub>3</sub> concentration was slightly higher in summer than in other seasons. The daily O<sub>3</sub> concentration in the urban area showed a unimodal variation in all seasons, and the daily variation was the smallest in winter and the largest in summer. However, the daily variation in the mountainous area was not significant. The O<sub>3</sub> concentration in the urban area showed a significant negative weekend effect in winter and a positive weekend effect in spring and summer. However, the O<sub>3</sub> concentration only showed a significant positive weekend effect in the mountainous area in summer. The PSCF and CWT analysis results of urban O<sub>3</sub> concentration showed that Urumqi, Shihezi, and Wusu were the main O<sub>3</sub> source areas. In addition, some areas bordering Kazakhstan in Xinjiang, China were also important source areas.https://www.mdpi.com/2073-4433/14/9/1387Urumqiozoneparticulate matterHYSPLIT model |
| spellingShingle | Cuiyun Zhu Qing He Zhujun Zhao Xinchun Liu Zongchao Pu Comparative Analysis of Ozone Pollution Characteristics between Urban Area and Southern Mountainous Area of Urumqi, China Atmosphere Urumqi ozone particulate matter HYSPLIT model |
| title | Comparative Analysis of Ozone Pollution Characteristics between Urban Area and Southern Mountainous Area of Urumqi, China |
| title_full | Comparative Analysis of Ozone Pollution Characteristics between Urban Area and Southern Mountainous Area of Urumqi, China |
| title_fullStr | Comparative Analysis of Ozone Pollution Characteristics between Urban Area and Southern Mountainous Area of Urumqi, China |
| title_full_unstemmed | Comparative Analysis of Ozone Pollution Characteristics between Urban Area and Southern Mountainous Area of Urumqi, China |
| title_short | Comparative Analysis of Ozone Pollution Characteristics between Urban Area and Southern Mountainous Area of Urumqi, China |
| title_sort | comparative analysis of ozone pollution characteristics between urban area and southern mountainous area of urumqi china |
| topic | Urumqi ozone particulate matter HYSPLIT model |
| url | https://www.mdpi.com/2073-4433/14/9/1387 |
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