| 辽宁地区O3污染状况及相关气象要素分析 |
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| 引用本文： | 刘宁微,权维俊,任万辉,李晓岚,李丽光,王迪.辽宁地区O3污染状况及相关气象要素分析[J].气象与环境学报,2021,37(5):27-33. |
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| 作者姓名： | 刘宁微 权维俊 任万辉 李晓岚 李丽光 王迪 |
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| 作者单位： | 1. 中国气象局沈阳大气环境研究所, 辽宁 沈阳 1101662. 京津冀环境气象预警中心, 北京 1000893. 沈阳生态环境监测中心, 辽宁 沈阳 1101694. 辽宁省气象服务中心, 辽宁 沈阳 110166 |
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| 基金项目： | 中国气象局沈阳大气环境研究所基本科研业务经费项目(2020SYIAEZD1);辽宁省科学技术计划项目(2019JH8/10300095);辽宁省气象局科学技术研究项目(D202101);中国气象局沈阳大气环境研究所开放基金项目(2018SYIAE01) |
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| 摘 要： | 利用2015—2019年辽宁城市逐小时地面O3浓度观测数据，结合各城市逐小时气象要素观测数据，分析了辽宁地区近5 a的O3污染状况及影响O3的相关气象条件。结果表明：除环辽东湾部分城市O3浓度呈下降趋势外，辽宁地区其他城市的O3浓度均呈明显的上升趋势，O3正取代PM2.5成为影响辽宁地区的首要大气污染物。O3浓度具有夏季高、冬季低，下午高、早晨低的时间分布特征。除受污染排放源直接影响外，高温、高湿、强辐射、小风和地面低气压都有利于O3的局地生成；在亚洲夏季风的影响下，上游地区（如京津冀地区）的污染气团会随大气环流向东北地区输送，对辽宁地区夏季O3污染产生重要影响。
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| 关 键 词： | O3污染 年变化率 气象条件 |
| 收稿时间： | 2021-04-07 |
Ozone pollution and the related effects of meteorological factors in Liaoning province,China |
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| Ning-wei LIU,Wei-jun QUAN,Wan-hui REN,Xiao-lan LI,Li-guang LI,Di WANG.Ozone pollution and the related effects of meteorological factors in Liaoning province,China[J].Journal of Meteorology and Environment,2021,37(5):27-33. |
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| Authors: | Ning-wei LIU Wei-jun QUAN Wan-hui REN Xiao-lan LI Li-guang LI Di WANG |
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| Institution: | 1. Institute of Atmospheric Environment, China Meteorological Administration, Shenyang 110166, China2. Environmental Meteorology Forecast Center of Beijing-Tianjin-Hebei, Beijing 100089, China3. Shenyang Ecological Environment Monitoring Center of Liaoning Province, Shenyang 110169, China4. Liaoning Metorological Service Center, Shenyang 110166, China |
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| Abstract: | We investigated ozone pollution and related meteorological factors in Liaoning province, China using hourly surface ozone concentrations and meteorological observations for the period 2015-2019. The ozone concentrations in Liaoning province appeared to be increasing significantly in all cities, except for several cities around Liaodong Bay. Ozone has taken over PM2.5 as the main pollutant in Liaoning province. Ozone concentrations were high in summer, but low in winter; and high in the afternoon, but low in the morning. In addition to air pollution emissions, high temperature and humidity, intense radiation, low wind speed, and air pressure were the significant meteorological factors influencing the local ozone production. With the influence of the Asian Summer Monsoon, polluted air masses from upwind direction (e. g. North China Plain) under the southwestern wind influenced the air quality over Liaoning province. |
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| Keywords: | Ozone pollution Annual variance ratio Meteorological factor |
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