山西省近地面O_(3)时空分布特征及防治研究  

Temporal and Spatial Distribution Characteristics of Near-surface Ozone Concentration and Prevention Countermeasures in Shanxi Province

作　　者：王建华[1] 薛燕妮 王仁桃[1] 吴丽[1] 任云霞[1] Wang Jianhua;Xue Yanni;Wang Rentao;Wu Li;Ren Yunxia(Institute of Coal Chemistry,Chinese Academy of Sciences,Taiyuan 030001,China)

机构地区：[1]中国科学院山西煤炭化学研究所,山西太原030001

出　　处：《环境科学与管理》2024年第6期56-61,共6页Environmental Science and Management

摘　　要：基于山西省2018年-2023年例行监测数据,分析了该省近地面O_(3)时空分布特征,选取大同、晋中、临汾三市开展典型城市污染特征分析。结果表明:近年来全省城市区域SO_(2)、CO、NO_(2)、颗粒物的污染状况有明显改善,O_(3)年均浓度降幅最小,秩系数分析显示O_(3)改善无显著意义,部分地区出现O_(3)污染加剧。省域尺度年内O_(3)浓度月变化呈单峰型,污染呈区域化,年均浓度超标区域集中在太行山与吕梁山之间的汾河谷地中南部和中条山-太岳山一线东侧的长治盆地。典型城市的O_(3)小时浓度日变化呈单峰型特征;晋中、临汾两市O_(3)浓度月变化呈“M”型特征,大同市O_(3)浓度月变化呈单峰型。为持续改善空气质量,山西省应加强PM_(2.5)与O_(3)协同控制,推进产业结构调整,强化VOC减排,完善VOC监测网络建设。Based on routine monitoring datas of Shanxi Province in recent years,the temporal and spatial distribution characteristics of near-surface ozone were analyzed,and typical urban O_(3)pollution characteristics were analyzed in Datong,Jinzhong,and Linfen.The results indicate that the pollution situation of SO_(2),CO,NO_(2)and particulate matter in urban areas of the province has significantly improved in recent years,but the improvement in ozone pollution was minimal,and the O_(3)Spearman rank coefficient shows no significant improvement,there had even been an increase in pollution in some areas.The monthly average O_(3)concentration at the provincial level showed a single peak pattern,and O_(3)pollution showed regionalization characteristics.The areas that the annual average concentration exceeded the standard were located two areas,one was the central and south area of the Fenhe Valley between the Taihang and the Lvliang mountains,the other was the Changzhi basin on the east side of the Zhongtiao and Taiyue mountains.The diurnal variation of O_(3)showed a single peak pattern in the three typical cities.The monthly average O_(3)concentration of Jinzhong and Linfen showed a‘M’pattern,and the monthly average O_(3)concentration of Datong a‘single peak’pattern.To continuously improve air quality,Shanxi Province should strengthen the coordinated control of PM_(2.5)and O_(3),promote industrial structure adjustment,strengthen the emission reduction of VOC,improve the construction of VOC monitoring network。

关 键 词：臭氧 PM_(2.5) 时空分布 污染防治 山西省 

分 类 号：X511[环境科学与工程—环境工程]