【正文】
height of the nocturnal mixing layer。 ground layer of the atmospheric。 (春季) (夏季) (秋季) (冬季)圖4 Fig. 4 concentration versus wind direction at different height in four seasons參考文獻(xiàn):[1] 袁楊森,劉大錳,車瑞俊,[J].生態(tài)環(huán)境,2007,16(1):1825.Yuan Yangsen, Liu Dameng, Che Ruijun, et al. Research on the pollution situation of atmospheric particulates during Autumn in Beijing city[J]. Ecology and Environment,2007,16(1):1825.[2] SO K L , GUO H, LI Y S. Longterm variation of levels and position at rural, urban, and roadside sites in Hong Kong: Increasing impact of regional air pollution[J].Atmospheric Environment,2007(41):94279434. [3] FISH vertical distribution of NOx in the atmospheric boundary layer[J].Atmospheric Environment,1999(33):687691.[4] HAN Suqin,Liu Aixia, Bian Hai, et al. Study of vertical distributive characters of O3 in autumn with 255m meteorological tower in tianjin, china[J]. Abstracts of papers of American Chemical Society, 2007: 272276.[5] 安俊琳,王躍思,李昕,、NOX、CO和O3體積分?jǐn)?shù)變化分析[J].生態(tài)環(huán)境,2007,16(6):15851589.An Junlin,Wang Yuesi,Li Xin, et al. Measurement on the atmospheric SO2,NOX,CO and O3 concentrations inBeijing[J] Ecology and Environment,2007,16(6): 15851589.[6] CHAN L Y, KWOK W S. Vertical dispersion of suspended particulates in urban area of Hong Kong[J].Atmospheric Environment,2000(34):44034412.[7] 楊龍,賀克斌,[J].環(huán)境科學(xué)研究,2005,18(2):2328.Yang Long, He Kebin, Zhang Qiang, et al. Vertical Distributive Characters of at the Ground Layer in Autumn and Winter in Beijing[J]. Research of Environmental Science, 2005,18(2):2328.[8] 丁國安,陳尊裕,高志球, [J].中國科學(xué): D輯 地球科學(xué), 2005,35(增刊1):3144.Ding Guoan, Chen Zunyu, Gao Zhiqiu, et al. Vertical structures of PM10 and and their dynamical character in low atmosphere in Beijing urban areas[J].Sc