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Diurnal Size Distributions of Black Carbon by Comparison of Optical Particulate Measurements - Part I
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 Title & Authors
Diurnal Size Distributions of Black Carbon by Comparison of Optical Particulate Measurements - Part I
Park, Da-Jeong; Lee, Kwang-Yul; Park, Kihong; Bae, Min-Suk;
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Optical particle sizer (OPS), optical particle counter (OPC), and aethalomter were deployed to measure the particle number concentrations from 0.3 to and black carbon (BC) concentrations. Comparisons of particle number concentrations measured by OPS and OPC were conducted to evaluate the performance of the each optical instrument at the Gwangju sampling site (, ) for 14 days from Dec. 27 in 2014. Although a good correlation () between the OPS and OPC was observed for both the particle number and volume concentrations, different relationships by BC concentrations can be associated with the intensities by different light scattering angles. In addition, based on diurnal patterns of size distributions in 24 hr running correlation coefficient determination, BC concentrations were highly related to the particles less than observed in the morning traffic hour.
OPC;OPS;BC;Size distribution;
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