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Title: Impact of fine particulate matter on visibility at Incheon International Airport, South Korea
Authors: Won, Wan-Sik
Oh, Rosy
Lee, Woojoo
Kim, Ki-Young
Ku, Sungkwan
Su, Pei-Chen
Yoon, Yong-Jin
Keywords: Engineering::Mechanical engineering
Issue Date: 2020
Source: Won, W., Oh, R., Lee, W., Kim, K., Ku, S., Su, P. & Yoon, Y. (2020). Impact of fine particulate matter on visibility at Incheon International Airport, South Korea. Aerosol and Air Quality Research, 20(5), 1048-1061.
Project: SING-2017-02-0209
Journal: Aerosol and Air Quality Research
Abstract: Low visibility at an airport causes significant flight delays, thereby reducing the airport’s capacity. To better understand its contributing factors, the present study examined the visibility at Incheon International Airport, South Korea, and its relationship with meteorological conditions as well as particulate matter (PM; viz., PM2.5 and PM10) concentrations for the period of 2015–2017. A censored regression model was developed to quantitatively describe the changes in visibility, and the results demonstrated that the visibility was more strongly correlated with the concentration of PM2.5 than PM10. Specifically, the decrease in visibility was primarily determined by the interaction between PM2.5 and meteorological factors, such as fog, haze, high temperatures, low relative humidity, and weak wind speed. A severe fog event during March 2018 was applied as a test case to validate this regression model, which estimated that the PM10 and PM2.5 impaired the visibility by approximately 8.0 km (3.2 km and 4.8 km due to PM10 and PM2.5, respectively) at Incheon International Airport during hazy conditions. Our findings reveal that the concentration of PM2.5 and its interaction with meteorological factors must be considered when diagnosing and predicting reduced visibility.
ISSN: 1680-8584
DOI: 10.4209/aaqr.2019.03.0106
Schools: School of Mechanical and Aerospace Engineering 
Rights: © 2020 Taiwan Association for Aerosol Research. All rights reserved. This paper was published in Aerosol and Air Quality Research and is made available with permission of Taiwan Association for Aerosol Research.
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:MAE Journal Articles

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