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Journal of Fundamentals of Renewable Energy and Applications

Journal of Fundamentals of Renewable Energy and Applications
Open Access

ISSN: 2090-4541

+44 1300 500008

Junji Cao

Junji Cao

China

Publications
  • Research Article
    Understanding Variability of Haze in Eastern China
    Author(s): Xuexi Tie and Junji CaoXuexi Tie and Junji Cao

    In recent years, there are heavy aerosol pollutions in eastern China. For example, in the Northern China Plain (NCP) and the capital city of Beijing, the concentrations of PM2.5 (particle matter <2.5 μm in diameter) often reached to the levels of more than 200-400 μg/m3. In contract, the World Health Organization (WHO) identifies a safe level of air quality as containing 10-25 μg/m3. In addition to the high levels of aerosol pollutions, there is a largely temporal variability of the concentrations. This study discusses the major factors, which control the short-term variability (days to weeks) of the aerosol pollutions in eastern China. The results suggest that the meteorological parameters, including wind direction, wind speed, and vertical diffusion in the planetary boundary layer (PBL) have important effects on the short-term variability. The secondary formation of aero.. View More»
    DOI: 10.4172/2090-4541.1000241

    Abstract PDF

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