Regional Characteristics of NO2 Column Densities from Pandora Observations during the MAPS-Seoul Campaign
2018 · Aerosol and Air Quality Research
저자
Heesung Chong, Hana Lee, Ja‐Ho Koo, Jhoon Kim, Ukkyo Jeong, Woogyung Vincent Kim, 김상우 (Sang‐Woo Kim), J. R. Herman, Nader Abuhassan, Joon-Young Ahn, Jeong‐Hoo Park, Sang-Kyun Kim, Kyung‐Jung Moon, Won-Jun Choi, Sang Seo Park
연구주제
Atmospheric chemistry and aerosols · Atmospheric Ozone and Climate · Atmospheric aerosols and clouds
NTIS 과학기술표준분류
에너지/자원만에너지·환경·원자력 확장
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AI 연구 키워드·방법
키워드 (OpenAlex)
nitrogen dioxide vertical column density diurnal variation regional variation Korean Peninsula Pandora spectrometer wind patterns
초록
Vertical column density (VCD) of nitrogen dioxide (NO2) was measured using Pandora spectrometers at six sites on the Korean Peninsula during the Megacity Air Pollution Studies-Seoul (MAPS-Seoul) campaign from May to June 2015. To estimate the tropospheric NO2 VCD, the stratospheric NO2 VCD from the Ozone Monitoring Instrument (OMI) was subtracted from the total NO2 VCD from Pandora. European Centre for Medium-Range Weather Forecasts (ECMWF) reanalysis wind data was used to analyze variations in tropospheric NO2 VCD caused by wind patterns at each site. The Yonsei/SEO site was found to have the largest tropospheric NO2 VCD (1.49 DU on average) from a statistical analysis of hourly tropospheric NO2 VCD measurements. At rural sites, remarkably low NO2 VCDs were observed. However, a wind field analysis showed that trans-boundary transport and emissions from domestic sources lead to an increa…
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Atmospheric chemistry and aerosols