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Highly time-resolved chemical characterization of atmospheric submicron particles during 2008 Beijing Olympic Games using an Aerodyne High-Resolution Aerosol Mass Spectrometer
chemical characterization atmospheric submicron particles 2008 Beijing Olympic Games an Aerodyne High-Resolution Aerosol Mass Spectrometer
2010/10/11
As part of Campaigns of Air Quality Research in Beijing and Surrounding Region-2008 (CAREBeijing-2008), an Aerodyne High-Resolution Time-of-Flight Aerosol Mass Spectrometer (HR-ToF-AMS) was deployed i...
Air quality during the 2008 Beijing Olympics: secondary pollutants and regional impact
Air quality the 2008 Beijing Olympics secondary pollutants regional impact
2010/8/25
This paper presents the first results of the measurements of trace gases and aerosols at three surface sites in and outside Beijing before and during the 2008 Olympics. The official air pollution inde...
The roles of sulfuric acid in new particle formation and growth in the mega-city of Beijing
sulfuric acid new particle formation and growth the mega-city of Beijing
2010/8/13
Simultaneous measurements of gaseous sulfuric acid and particle number size distributions were performed to investigate aerosol nucleation and growth during CAREBeijing-2008. The analysis of the measu...
Impact of dust on tropospheric chemistry over polluted regions: a case study of the Beijing megacity
dust tropospheric chemistry polluted regions the Beijing megacity
2010/8/12
The box model MECCA (Module Efficiently Calculating the Chemistry of the Atmosphere) is extended by incorporating detailed heterogeneous chemistry occurring on mineral aerosol surfaces. The model is u...
The Elemental Composition of Atmospheric Particles at Beijing during Asian Dust Events in Spring 2004
Dust Chemical element composition Asian dust event
2016/3/29
The chemical element composition of dust particles was characterized by the ground-based samples collected at Beijing
in the spring of 2004. Most of mineral and pollutant element concentrations in pa...
Size-resolved aerosol water-soluble ionic compositions in the summer of Beijing: implication of regional secondary formation
aerosol water-soluble ionic compositions regional secondary formation
2010/2/21
To characterize aerosol pollution in Beijing, size-resolved aerosols were collected by MOUDIs during CAREBEIJING-2006 field campaign at Peking University (urban site) and Yufa (upwind rural site). Fin...
An intensive study of aerosol optical properties in Beijing urban area
aerosol optical properties Beijing urban area
2009/12/3
In order to quantify the aerosol impact on climate, a range of aerosol parameters are required. In this paper, two-year of ground-based observations of aerosol optical properties from an urban site in...
Observational study of influence of aerosol hygroscopic growth on scattering coefficient over rural area near Beijing mega-city
aerosol hygroscopic growth scattering coefficient Beijing mega-city
2009/10/13
We investigated aerosol hygroscopic growth property and its influence on scattering coefficient using M9003 nephelometers in coupling with humidity controlled inlet system at a rural site near Beijing...
Ozone air quality during the 2008 Beijing Olympics: effectiveness of emission restrictions
Ozone air quality 2008 Beijing Olympics effectiveness emission restrictions
2009/8/7
A series of aggressive measures was launched by the Chinese government to reduce pollutant emissions from Beijing and surrounding areas during the Olympic Games. Observations at Miyun, a rural site 10...
One-year record of organic and elemental carbon in fine particles in downtown Beijing and Shanghai
organic elemental carbon fine particles Beijing Shanghai
2009/2/11
Weekly PM2.5 samples were collected for one year (1999-2000) in Beijing and Shanghai and the carbonaceous species analyzed to investigate and compare their time series patterns and possible sources in...
Relationships between submicrometer particulate air pollution and air mass history in Beijing, China, 2004–2006
submicrometer particulate air pollution air mass history Beijing China
2008/11/24
The Chinese capital Beijing is one of the global megacities where the effects of rapid economic growth have led to complex air pollution problems that are not well understood. In this study, ambient p...