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Carbonaceous and Ionic Components of Atmospheric Fine Particles in Beijing and Their Impact on Atmospheric Visibility
PM2.5 OC EC Ion Visibility
2016/3/25
Ground-based observation of fine particulate matter (PM2.5) in Beijing was carried out continuously in 2006. The
carbonaceous and ionic components, as well as their distribution characteristics and s...
The "Blue Sky Project" was proposed in 1998 to investigate by how much emissions should be reduced to increase blue sky frequency in Beijing, which hosted the Summer Olympics in 2008. This paper focus...
Urban Aerosol Studies of PM1 Size Fraction with Reference to Ambient Conditions and Visibility
PM1 Urban aerosol Size distribution Aerosol extinction coefficient Nanoparticles
2016/3/29
Mass measurement of ambient PM10 and PM2.5 size fractions is a rather well established technique. However there is a
broad consensus in the scientific community about the importance of smaller partic...
Using Sharpness Image with Haar Function for Urban Atmospheric Visibility Measurement
Atmospheric visibility digital image processing Haar function filtering
2016/3/29
Air quality affects human health, traffic safety and human life quality. The status of air quality can be indicated by the
urban atmospheric visibility. The atmospheric visibility is traditionally th...
There is a large uncertainty in the relative roles of human land use, climate change and carbon dioxide fertilization in changing desert dust source strength over the past 100 years, and the overall s...
Investigation of urban atmospheric visibility using Haar wavelet transform
visibility wavelet transform image processing air quality
2016/3/30
A method of image processing, Haar wavelet transform, was first applied to establish a new index
and provide accurate digital data to present urban atmospheric visibility, instead of the conventional...
Measuring Atmospheric Visibility by Digital Image Processing
Image Processing Atmospheric Visibility
2016/3/31
Measuring Atmospheric Visibility by Digital Image Processing。