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Chan Ju Kho on Muck Rack

Chan Ju Kho

As seen in: Nature
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Articles

Improving UAV-based air quality measurements through machine learning calibration of downwash effects

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By Sangdeok Seo, Chan Ju Kho, So Yeon Kim, Jae Lee, Mu Hyun Jung
| Nature Verified
Abstract Air pollution is a major global health risk requiring high-resolution monitoring for effective management. Unmanned Aerial Vehicle (UAV) monitoring systems with Low-Cost Sensors (LCS) have attracted significant attention as an efficient approach for three-dimensional, high-resolution air quality monitoring. However, the downwash generated by UAV propellers induces airflow disturbances, leading to measurement errors.
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Secondary Organic Aerosol Formation through Photochemical Oxidation of NO and SO2 in an Indoor Smog Chamber

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By Jae Young, Chan Ju Kho, Soeun Moon, Chan Ju
| ascelibrary.org
Introduction Aerosols are naturally and anthropogenically produced particles suspended in the air (Levy et al. 2013; Menon et al. 2008; Rap et al. 2013), with particles of up to 2.5 μm diameter referred to as particulate matter 2.5 (PM2.5) (Liu et al. 2019).
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