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http://dx.doi.org/10.5467/JKESS.2013.34.3.249

Deriving Physical Quantity for Measurement of Atmospheric Polarization and Its Correlation with Air Pollutants  

Park, Hyogun (Changwon Science High School)
Yoon, Hyeongsu (Changwon Science High School)
Kim, Eunji (Changwon Science High School)
Kang, Dongil (Changwon Science High School)
Publication Information
Journal of the Korean earth science society / v.34, no.3, 2013 , pp. 249-256 More about this Journal
Abstract
For the purpose of recording polarization of the earth's atmosphere, the entire sky was photographed using the all-sky camera when the Sun was just above the horizon. The ratio and width of polarization were defined using the photograph, and a method to measure them was developed. Time-series photography of the polarization ratio and its width enabled us to qualitatively analyze the polarization phenomena which changes depending on the weather conditions. Findings indicated that polarization was co-related with air pollutants in a meaningful way. The polarization phenomena of the Earth's atmosphere are influenced by air pollutants. The more air pollutants exist in the air, the lower polarization ratio and the bigger polarization width it has. It is suggested that air pollutants disperses more photons, which makes it possible to observe the polarization phenomena in the vast area of the sky.
Keywords
polarization; particulate matter;
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