Jianguo Liu

TL;DR: Although meteorological parameters, such as wind, water vapor, solar radiation and temperature, mainly dominated the day-to-day and seasonal fluctuations in air pollutants, anthropogenic emissions played a unique role in the long-term variation in the ambient concentrations of NO2, SO2, and HCHO in the past 13 years.

TL;DR: An overview of the chemical and physical features of haze in China is provided, focusing on the relationship between haze and atmospheric fine particles, and the formation mechanism of haze, and several of control technologies and strategies to mitigate the occurrence of haze are summarized.

TL;DR: In this paper, the authors analyzed the characteristics of the ABL in Beijing and discussed the impacts of meteorological factors on atmosphere boundary layer height (ABLH) during winter heavy pollution events in Beijing.

TL;DR: The cluster analyses showed that Beijing was affected by trajectories from the south and southeast in summer and autumn and by high altitude air masses in winter and spring, and more effective regional emission reduction measures in Beijing's surrounding provinces should be implemented to reduce emissions of regional sources in different seasons.

TL;DR: Using parallel factor analysis (PARAFAC) model, three components of colored dissolved organic matter (CDOM) have been identified successfully, based on the analysis of 3DEEM data, and the relationship between the concentrations of the three components and results of the wet chemical analysis show that none of them can be used as indicators of gross organic matter in water.