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Article
Influence of High Relative Humidity on Secondary Organic Carbon: Observations at a Background Site in East China
To investigate the impacts of relative humidity (RH) on secondary organic aerosol (SOA) concentrations and chemical reactions, the carbonaceous aerosol components [i.e., organic carbon (OC) and element carbon ...
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Article
Comparison of Submicron Particles at a Rural and an Urban Site in the North China Plain during the December 2016 Heavy Pollution Episodes
An extensive field experiment for measurement of physical and chemical properties of aerosols was conducted at an urban site in the Chinese Academy of Meteorological Sciences (CAMS) in Bei**g and at a rural s...
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Article
Aerosol Hygroscopicity during the Haze Red-Alert Period in December 2016 at a Rural Site of the North China Plain
A humidification system was deployed to measure aerosol hygroscopicity at a rural site of the North China Plain during the haze red-alert period 17–22 December 2016. The aerosol scattering coefficients under d...
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Article
Chemical Components, Variation, and Source Identification of PM1 during the Heavy Air Pollution Episodes in Bei**g in December 2016
Air pollution is a current global concern. The heavy air pollution episodes (HPEs) in Bei**g in December 2016 severely influenced visibility and public health. This study aims to survey the chemical compositi...
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Article
Relative contributions of boundary-layer meteorological factors to the explosive growth of PM2.5 during the red-alert heavy pollution episodes in Bei**g in December 2016
Based on observations of urban mass concentration of fine particulate matter smaller than 2.5 μm in diameter (PM2.5), ground meteorological data, vertical measurements of winds, temperature, and relative humidity...
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Article
Analyses of aerosol optical properties and direct radiative forcing over urban and industrial regions in Northeast China
The aerosol optical depth (AOD), Angstrom exponent (Alpha), single scattering albedo (SSA), and volumes of aerosol size distributions were all retrieved from measurements made by a CE318 sunphotometer at four ...