Contributions of inter-city and regional transport to PM2. 5 concentrations in the Beijing-Tianjin-Hebei region and its implications on regional joint air pollution control

X Chang, S Wang, B Zhao, J Xing, X Liu, L Wei… - Science of the Total …, 2019 - Elsevier
Regional transport plays an important role in the serious PM 2.5 pollutions in the Beijing-
Tianjin-Hebei (BTH) region, China. Practical regional joint emission control strategies …

Regional transport in Beijing-Tianjin-Hebei region and its changes during 2014–2017: The impacts of meteorology and emission reduction

Z Dong, S Wang, J Xing, X Chang, D Ding… - Science of the Total …, 2020 - Elsevier
Emissions of air pollutants have been dramatically reduced in the Beijing-Tianjin-Hebei
(BTH) region of China during 2014–2017. However, impacts of emission reduction on …

The effect of cross-regional transport on ozone and particulate matter pollution in China: A review of methodology and current knowledge

K Qu, Y Yan, X Wang, X Jin, M Vrekoussis… - Science of the Total …, 2024 - Elsevier
China is currently one of the countries impacted by severe atmospheric ozone (O 3) and
particulate matter (PM) pollution. Due to their moderately long lifetimes, O 3 and PM can be …

Global, continental, and national variation in PM2. 5, O3, and NO2 concentrations during the early 2020 COVID-19 lockdown

C He, S Hong, L Zhang, H Mu, A Xin, Y Zhou… - Atmospheric pollution …, 2021 - Elsevier
Lockdowns implemented in response to COVID-19 have caused an unprecedented
reduction in global economic and transport activity. In this study, variation in the …

Characteristics of chemical composition and seasonal variations of PM2. 5 in Shijiazhuang, China: Impact of primary emissions and secondary formation

Y Xie, Z Liu, T Wen, X Huang, J Liu, G Tang… - Science of the Total …, 2019 - Elsevier
North China registers frequent air pollution episodes from high PM 2.5 concentrations.
Shijiazhuang is located at the intensive industrial zone of this region, but there is insufficient …

Meteorological mechanism for a large-scale persistent severe ozone pollution event over eastern China in 2017

J Mao, L Wang, C Lu, J Liu, M Li, G Tang, D Ji… - Journal of …, 2020 - Elsevier
An intensive and persistent regional ozone pollution event occurred over eastern China from
25 June to 5 July 2017. 73 out of 96 selected cities, most located in the Beijing-Tianjin-Hebei …

Estimating urban PM2. 5 concentration: An analysis on the nonlinear effects of explanatory variables based on gradient boosted regression tree

X Hao, X Hu, T Liu, C Wang, L Wang - Urban Climate, 2022 - Elsevier
It is important for air pollution study and control to understand the relationships between the
concentrations of fine particulate matter and the influencing factors. This study builds a PM2 …

Study on the contribution of transport to PM2. 5 in typical regions of China using the regional air quality model RAMS-CMAQ

R Li, X Mei, L Wei, X Han, M Zhang, Y Jing - Atmospheric Environment, 2019 - Elsevier
Regional transport plays a significant role in the air pollution in China, which is
characterized by diverse emission sources and distinct distributions. To improve the …

Elucidating the pollution characteristics of nitrate, sulfate and ammonium in PM2.5 in Chengdu, southwest China, based on 3-year measurements

L Kong, M Feng, Y Liu, Y Zhang… - Atmospheric …, 2020 - acp.copernicus.org
Nitrate, sulfate and ammonium (NSA) are the main secondary inorganic aerosols of PM 2.5
and play an important role in air pollution. In this study, a 3-year observational experiment …

Study on the distribution of PM emission rights in various provinces of China based on a new efficiency and equity two-objective DEA model

J Guo, M Zhao, X Wu, B Shi, EDRS Gonzalez - Ecological Economics, 2021 - Elsevier
Under the premise that the total emissions of PM (particulate matter) of air pollution is
established, the allocation of PM emission rights in various provinces of China is the feasible …