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http://dx.doi.org/10.5572/KOSAE.2016.32.2.158

Source Analysis of Size Distribution and Density Estimation in PM2.5 -Part II  

Bae, Min-Suk (Department of Environmental Engineering, Mokpo National University)
Park, Da-Jeong (Department of Environmental Engineering, Mokpo National University)
Lee, Jeonghoon (School of Mechanical Engineering, Korea University of Technology and Education)
Ahn, Joon-Young (National Institute of Environmental Research, Air Quality Research Division)
Lee, Yeong-Jae (National Institute of Environmental Research, Air Quality Research Division)
Publication Information
Journal of Korean Society for Atmospheric Environment / v.32, no.2, 2016 , pp. 158-166 More about this Journal
Abstract
To characterize the features of particle apparent density, continuous measurements of particle number size distributions from optical particle sizer (OPS) and 24 hr integrated particle mass concentrations from filter based sampler were conducted at the National institute of environmental research NamBu Supersite (NNBS, $35.22^{\circ}N$, $126.84^{\circ}E$) in Gwangju for 16 days from Nov. 4 in 2014. Source apportionment model was carried out by applying Positive Matrix Factorization (PMF) to particle size distribution data. Three different distributions related to primary and secondary sources were investigated by the diurnal patterns of identified factors. Density estimated by gaussian model has been calculated as $1.69g/cm^3$ with 95% confidence bounds ($1.57{\sim}1.81g/cm^3$).
Keywords
PMF; OPS; Size distribution; Density;
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Times Cited By KSCI : 7  (Citation Analysis)
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