Changes in global air pollutant emissions during the COVID-19 pandemic: A dataset for atmospheric chemistry modeling

T Doumbia, C Granier, N Elguindi… - Earth System …, 2021 - essd.copernicus.org
In order to fight the spread of the global COVID-19 pandemic, most of the world's countries
have taken control measures such as lockdowns during a few weeks to a few months. These …

[HTML][HTML] A multifaceted approach to explain short-and long-term PM2. 5 concentration changes in Northeast Asia in the month of January during 2016–2021

M Bae, YH Kang, E Kim, S Kim, S Kim - Science of The Total Environment, 2023 - Elsevier
Abstract Changes in PM 2.5 concentrations are influenced by interwoven impacts of key
drivers (eg, meteorology, local emissions, and regional emissions). However, it is …

Impact of the COVID-19 on the vertical distributions of major pollutants from a tower in the Pearl River Delta

L Li, C Lu, PW Chan, Z Lan, W Zhang, H Yang… - Atmospheric …, 2022 - Elsevier
The outbreak of the 2019 novel coronavirus (COVID-19) had a large impact on human
health and socio-economics worldwide. The lockdown implemented in China beginning …

[HTML][HTML] Development of surface observation-based two-step emissions adjustment and its application on CO, NOx, and SO2 emissions in China and South Korea

E Kim, HC Kim, BU Kim, JH Woo, Y Liu… - Science of The Total …, 2024 - Elsevier
It is challenging to estimate local emission conditions of a downwind area solely based on
concentrations in the downwind area. This is because air pollutants that have a long …

Ozone air quality deteriorated by inter-provincial transport downwind of Seoul metropolitan area

T Kim, D Choi, W Ko, Y Kim, J Kim, KH Kwak… - Atmospheric …, 2023 - Elsevier
While ozone air quality has continuously improved in major cities worldwide, it has recently
degraded in cities in East Asia, including South Korea. This study aims to examine one …

[HTML][HTML] An observation-based adjustment method of regional contribution estimation from upwind emissions to downwind PM2. 5 concentrations

M Bae, BU Kim, HC Kim, JH Woo, S Kim - Environment International, 2022 - Elsevier
We propose a method to adjust contributions from upwind emissions to downwind PM 2.5
concentrations to account for the differences between observed and simulated PM 2.5 …

A comparison of the impact of TROPOMI and OMI tropospheric NO2 on global chemical data assimilation

T Sekiya, K Miyazaki, H Eskes, K Sudo… - Atmospheric …, 2022 - amt.copernicus.org
This study gives a systematic comparison of the Tropospheric Monitoring Instrument
(TROPOMI) version 1.2 and Ozone Monitoring Instrument (OMI) QA4ECV tropospheric NO 2 …

Local and transboundary impacts of PM2. 5 sources identified in Seoul during the early stage of the COVID-19 outbreak

Y Kim, K Jeon, J Park, K Shim, SW Kim, HJ Shin… - Atmospheric Pollution …, 2022 - Elsevier
Abstract Countries in Northeast Asia have been regulating PM 2.5 sources and studying
their local and transboundary origins since PM 2.5 causes severe impacts on public health …

North Korean CO emissions reconstruction using DMZ ground observations, TROPOMI space-borne data, and the CMAQ air quality model

E Kim, BU Kim, HC Kim, Y Liu, YH Kang… - Science of the Total …, 2024 - Elsevier
Abstract Emission uncertainty in North Korea can act as an obstacle when develo** air
pollution management plans in the country and neighboring countries when the …

[HTML][HTML] Influence of top-down adjusted upwind emissions on PM2. 5 concentrations: The case of long-range transport in South Korea

E Kim, S Jeong, YH Kang, MG Myeong, S Kim - Environmental Pollution, 2025 - Elsevier
Understanding the impact of long-range transport (LTI) on concentrations of particulate
matter with an aerodynamic diameter of 2.5 μm or less (PM 2.5) is crucial for accurately …