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http://dx.doi.org/10.7780/kjrs.2020.36.6.3.5

High Resolution Fine Dust Mass Concentration Calculation Using Two-wavelength Scanning Lidar System  

Noh, Youngmin (Department of Environmental Engineering, Pukyong National University)
Kim, Dukhyun (Faculty of Basic Science, Hanbat National University)
Choi, Sungchul (Samwoo TCS Co., Ltd.)
Choi, Changgi (Samwoo TCS Co., Ltd.)
Kim, TaeGyeong (Division of Earth Environmental System Science, Pukyong National University)
Kim, Gahyeong (Division of Earth Environmental System Science, Pukyong National University)
Shin, Dongho (Climate Change Technology Research Division, Korea Institute of Energy Research)
Publication Information
Korean Journal of Remote Sensing / v.36, no.6_3, 2020 , pp. 1681-1690 More about this Journal
Abstract
A scanning lidar system has been developed. The system has two wavelength observation channels of 532 and 1064 nm and is capable of 360-degree horizontal scanning observation. In addition, an analysis method that can classify the measured particle as an indicator of coarse-mode particle (PM2.5-10) and an indicator of fine-mode particles (PM2.5) and calculate the mass concentration of each has been developed by using the backscatter coefficient at two wavelengths. It was applied to the data calculated by observation. The mass concentrations of PM10 and PM2.5, which showed a distribution of 22-110 ㎍/㎥ and 7-78 ㎍/㎥, respectively, were successfully calculated in the Ulsan Onsan Industrial Complex using the developed scanning lidar system. The analyzed results showed similar values to the mass concentrations measured on the ground around the lidar observation area, and it was confirmed that high concentrations of 80-110 ㎍/㎥ and 60-78 ㎍/㎥ were measured at points discharged from factories, respectively.
Keywords
scaning lidar system; particulate matter; mass concentration; high resolution;
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Times Cited By KSCI : 7  (Citation Analysis)
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