地形和天气形势对临汾市大气污染的影响 |
裴坤宁, 王雁, 闫世明, 蒋云盛, 郭伟 |
Influence of topography and weather situation on air pollution in Linfen City |
PEI Kunning, WANG Yan, YAN Shiming, JIANG Yunsheng, GUO Wei |
图3 临汾市第13次污染过程的后向轨迹(a)和2017年1月19日02:00海平面气压场(彩色填色区,单位:hPa)及风场(风羽,单位:m·s-1,黑色圆圈表示静风)(b) (蓝色线、红色线分别表示聚类前、后轨迹。下同) |
Fig.3 Backward trajectory of the 13th pollution process in Linfen City (a) and sea level pressure field (color shaded areas, Unit: hPa) and wind field (wind plumes, Unit: m·s-1, the black circles indicate calm wind) at 02:00 BST on 19 January 2017 (b) (The blue and red lines represent the trajectories before and after clustering, respectively. the same as below) |
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