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dc.contributor.authorWon, Wan-Siken_US
dc.contributor.authorOh, Rosyen_US
dc.contributor.authorLee, Woojooen_US
dc.contributor.authorKim, Ki-Youngen_US
dc.contributor.authorKu, Sungkwanen_US
dc.contributor.authorSu, Pei-Chenen_US
dc.contributor.authorYoon, Yong-Jinen_US
dc.identifier.citationWon, 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.
dc.description.abstractLow 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.en_US
dc.description.sponsorshipNanyang Technological Universityen_US
dc.relation.ispartofAerosol and Air Quality Researchen_US
dc.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.en_US
dc.subjectEngineering::Mechanical engineeringen_US
dc.titleImpact of fine particulate matter on visibility at Incheon International Airport, South Koreaen_US
dc.typeJournal Articleen
dc.contributor.schoolSchool of Mechanical and Aerospace Engineeringen_US
dc.description.versionPublished versionen_US
dc.subject.keywordsParticulate Matteren_US
dc.description.acknowledgementThis work was supported by the SINGA Scholarship (SING-2017-02-0209), the School of MAE, NTU, the Basic Science Research Program through the National Research Foundation of Korea (NRF) funded by the Ministry of Education (Grant No. 2019R1A6A1A11051177), the BK21+ Program through the National Research Foundation of Korea (NRF) funded by the Ministry of Education (MOE), and the Korea Meteorological Administration Research and Development Program under Grant KMI2017-2011. We are grateful to Professor Jae Youn Ahn for the support he has given for this work.en_US
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