Characteristics of pollutants and their correlation to meteorological conditions at a suburban site in the North China Plain

Abstract. North China Plain (NCP) is one of the most densely populated regions in China and has experienced enormous economic growth in the past decades. Its regional trace gas pollution has also become one of the top environmental concerns in China. Measurements of surface trace gases, including O 3 , NO x , SO 2 and CO were carried out within the HaChi (Haze in China) project at Wuqing Meteorology Station, located between 2 mega-cities (Beijing and Tianjin) in the NCP, from 9 July 2009 to 21 January 2010. Detailed statistical analyses were made in order to provide information on the levels of the measured air pollutants and their characteristics. Gaseous air pollutant concentrations were also studied together with meteorological data and satellite data to help us better understand the causes of the observed variations in the trace gases during the field campaign. In comparison to measurements from other rural and background stations in the NCP, relatively high concentrations were detected in Wuqing, presumably due to regional mixing and transport of pollutants. Local meteorology had deterministic impacts on air pollution levels, which have to be accounted for when evaluating other effects on pollutant concentrations. Trace gas concentrations showed strong dependence on wind, providing information on regional pollution characteristics. O 3 mixing ratio also showed clear dependencies on temperature and relative humidity.

[1]  M. McElroy,et al.  CO 2 and its correlation with CO at a rural site near Beijing: implications for combustion efficiency in China , 2010 .

[2]  George T. Wolff,et al.  AN EXAMINATION OF URBAN OZONE TRENDS IN THE NORTHEASTERN U.S. (1973-1983) USING A ROBUST STATISTICAL METHOD , 1991 .

[3]  J. Mühle,et al.  Atmospheric Chemistry and Physics Ozone Production and Trace Gas Correlations during the June 2000 Minatroc Intensive Measurement Campaign at Mt. Cimone , 2022 .

[4]  Haidong Kan,et al.  Particulate air pollution in urban areas of Shanghai, China: health-based economic assessment. , 2003, The Science of the total environment.

[5]  Tao Wang,et al.  Strong ozone production in urban plumes from Beijing, China , 2006 .

[6]  A. Ding,et al.  Observational study of ozone and carbon monoxide at the summit of mount Tai (1534 m a.s.l.) in central-eastern China , 2005 .

[7]  R. Atkinson.  Gas-phase tropospheric chemistry of organic compounds: a review , 1990 .

[8]  M. McElroy,et al.  Variations of O 3 and CO in summertime at a rural site near Beijing , 2008 .

[9]  David G. Streets,et al.  Present and future emissions of air pollutants in China:: SO2, NOx, and CO , 2000 .

[10]  Chunsheng Zhao,et al.  Aircraft study of Mountain Chimney Effect of Beijing, China , 2009 .

[11]  O. Yenigün,et al.  Analysis of major photochemical pollutants with meteorological factors for high ozone days in Istanbul, Turkey , 2006 .

[12]  LiuXiaoyang,et al.  Characteristics of distribution and seasonal variation of aerosol optical depth in eastern China with MODIS products , 2003 .

[13]  Xiaobin Xu,et al.  Contributions of pollutants from North China Plain to surface ozone at the Shangdianzi GAW Station , 2008 .

[14]  F. Fehsenfeld,et al.  Ground-based measurements of NO x and total reactive oxidized nitrogen (NO y ) at Sable Island, Nova Scotia, during the NARE 1993 summer intensive , 1996 .

[15]  Hengchun Ye,et al.  Relationships between Synoptic Climatology and Atmospheric Pollution at 4 US Cities , 1999 .

[16]  Xiaobin Xu,et al.  Characteristics of gaseous pollutants at Gucheng, a rural site southwest of Beijing , 2009 .

[17]  J. W. Munger,et al.  Ozone Air Quality During the 2008 Beijing Olympics: Effectiveness of Emission Restrictions , 2009 .

[18]  J. Seinfeld.  RETHINKING THE OZONE PROBLEM IN URBAN AND REGIONAL AIR POLLUTION , 1991 .

[19]  Chunsheng Zhao,et al.  VOC reactivity and its effect on ozone production during the HaChi summer campaign , 2011 .

[20]  Min Shao,et al.  City clusters in China: air and surface water pollution , 2006 .

[21]  Christian Seigneur,et al.  On the oxidation of SO2 to sulfate in atmospheric aerosols , 1987 .

[22]  G. Carmichael,et al.  Asian emissions in 2006 for the NASA INTEX-B mission , 2009 .

[23]  John S. Holloway,et al.  Relationships between ozone and carbon monoxide at surface sites in the North Atlantic region , 1998 .

[24]  Peng Liu,et al.  Aircraft study of aerosol vertical distributions over Beijing and their optical properties , 2009 .

[25]  D. Jacob,et al.  Simulation of summertime ozone over North America , 1993 .

[26]  Chunsheng Zhao,et al.  Ozone photochemical production in urban Shanghai, China: Analysis based on ground level observations , 2009 .

[27]  Xiaobin Xu,et al.  Characteristics of trace gaseous pollutants at a regional background station in Northern China , 2008 .

[28]  M. Bell,et al.  Detecting and quantifying aircraft and other on-airport contributions to ambient nitrogen oxides in the vicinity of a large international airport , 2006 .

[29]  Jietai Mao,et al.  Characteristics of distribution and seasonal variation of aerosol optical depth in eastern China with MODIS products , 2003, Science Bulletin.

[30]  C. Chan,et al.  Air pollution in mega cities in China , 2008 .

[31]  Tao Wang,et al.  Tropospheric ozone climatology over Beijing: analysis of aircraft data from the MOZAIC program , 2007 .

[32]  G. Stenchikov,et al.  The impact of aerosols on solar ultraviolet radiation and photochemical smog. , 1997, Science.

[33]  S. Sillman,et al.  Observed suppression of ozone formation at extremely high temperatures due to chemical and biophysical feedbacks , 2010, Proceedings of the National Academy of Sciences.

[34]  Chung-Ming Liu,et al.  Important meteorological parameters for ozone episodes experienced in the Taipei basin , 1994 .

[35]  Nobuo Kato,et al.  Anthropogenic emissions of SO 2 and NO x in Asia: Emission inventories , 1992 .

[36]  Z. H. Chen,et al.  Relationship between atmospheric pollution processes and synoptic pressure patterns in northern China , 2008 .

[37]  Yuesi Wang,et al.  Surface ozone trend details and interpretations in Beijing, 2001–2006 , 2009 .

[38]  Ingrid Hobæk Haff,et al.  Generalised additive modelling of air pollution, traffic volume and meteorology , 2005 .

[39]  John S. Holloway,et al.  Export of North American Ozone Pollution to the North Atlantic Ocean , 1993, Science.

[40]  K. Clemitshaw,et al.  Ozone and other secondary photochemical pollutants: chemical processes governing their formation in the planetary boundary layer , 2000 .

[41]  Jiming Hao,et al.  Improving Urban Air Quality in China: Beijing Case Study , 2005, Journal of the Air & Waste Management Association.

[42]  Z. Xin.  Structures and Characteristics of the Atmospheric Boundary Layer over Beijing Area in Autumn , 2006 .

[43]  Tao Wang,et al.  Trace gas measurements in coastal Hong Kong during the PEM-West B , 1997 .

[44]  E. M. Bailey,et al.  The oxidation of sulfur dioxide to sulfate aerosols in the plume of a coal-fired power plant , 1978 .

[45]  Yuhang Wang,et al.  East China plains: a "basin" of ozone pollution. , 2009, Environmental science & technology.

[46]  P. Novelli,et al.  Impact of Asian emissions on the remote North Pacific atmosphere: Interpretation of CO data from Shemya, Guam, Midway and Mauna Loa , 1997 .

[47]  M. Brauer,et al.  Global Estimates of Ambient Fine Particulate Matter Concentrations from Satellite-Based Aerosol Optical Depth: Development and Application , 2010, Environmental health perspectives.

[48]  Xiaobin Xu,et al.  Gaseous pollutants in Beijing urban area during the heating period 2007–2008: variability, sources, meteorological, and chemical impacts , 2011 .

[49]  Alan M. Jones,et al.  The wind speed dependence of the concentrations of airborne particulate matter and NOx , 2010 .

[50]  Zhou Xiuji,et al.  Spatial structure and scale feature of the atmospheric pollution source impact of city agglomeration , 2005 .