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Characteristics of Fine Particles Measured in Two Different Functional Areas and Identification of Factors Enhancing Their Concentrations
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 Title & Authors
Characteristics of Fine Particles Measured in Two Different Functional Areas and Identification of Factors Enhancing Their Concentrations
Cho, Sung-Hwan; Kim, Hyun-Woong; Han, Young-Ji; Kim, Woo-Jin;
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In this study, the characteristics of and concentrations were identified in two different functional areas including Chuncheon and Youngwol, Korea. Even though the anthropogenic emission rates of and are approximately four times higher in Youngwol than in Chuncheon their atmospheric concentrations were statistically higher in Chuncheon. In Chuncheon, both concentrations and the ratio of increased as relative humidity (RH) increased possibly because the inorganic and/or organic secondary aerosols were actively formed at high RH. This result was also supported by that concentration was enhanced under the fog and mist conditions in Chuncheon. On the other hand, both and concentrations clearly increased with the southerly winds blown from the cement production facility in Youngwol. In addition, high concentrations were observed with high wind speed, low relative humidity, and high concentrations in Youngwol, suggesting that was generated through the physical process including crushing and packing procedures followed by resuspension from cement and lime factory.
;;Relative humidity;Wind speed;Cement production;Secondary aerosol;
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