Significant changes in the chemical compositions and sources of PM2. 5 in Wuhan since the city lockdown as COVID-19

H Zheng, S Kong, N Chen, Y Yan, D Liu, B Zhu… - Science of the Total …, 2020 - Elsevier
Wuhan was the first city to adopt the lockdown measures to prevent COVID-19 spreading,
which improved the air quality accordingly. This study investigated the variations in chemical …

Review on catalytic oxidation of VOCs at ambient temperature

R Zhao, H Wang, D Zhao, R Liu, S Liu, J Fu… - International journal of …, 2022 - mdpi.com
As an important air pollutant, volatile organic compounds (VOCs) pose a serious threat to
the ecological environment and human health. To achieve energy saving, carbon reduction …

Evaluating the effectiveness of air quality regulations: A review of accountability studies and frameworks

LRF Henneman, C Liu, JA Mulholland… - Journal of the Air & …, 2017 - Taylor & Francis
Assessments of past environmental policies—termed accountability studies—contribute
important information to the decision-making process used to review the efficacy of past …

Characterization of VOCs and their related atmospheric processes in a central Chinese city during severe ozone pollution periods

B Li, SSH Ho, S Gong, J Ni, H Li, L Han… - Atmospheric …, 2019 - acp.copernicus.org
A 5-month campaign (from May to September 2017) was conducted to characterize volatile
organic compounds (VOCs) for the first time at four sites in Zhengzhou, Henan Province …

[HTML][HTML] Substantial ozone enhancement over the North China Plain from increased biogenic emissions due to heat waves and land cover in summer 2017

M Ma, Y Gao, Y Wang, S Zhang… - Atmospheric …, 2019 - acp.copernicus.org
In the summer of 2017, heavy ozone pollution swamped most of the North China Plain
(NCP), with the maximum regional average of daily maximum 8 h ozone concentration …

Fate of oxygenated volatile organic compounds in the Yangtze River Delta Region: source contributions and impacts on the atmospheric oxidation capacity

J Li, X Xie, L Li, X Wang, H Wang, S Jing… - Environmental …, 2022 - ACS Publications
The Community Multiscale Air Quality model (CMAQv5. 2) was implemented to investigate
the sources and sinks of oxygenated volatile organic compounds (OVOCs) during a high O3 …

Long-term observations of oxygenated volatile organic compounds (OVOCs) in an urban atmosphere in southern China, 2014–2019

SY Xia, C Wang, B Zhu, X Chen, N Feng, GH Yu… - Environmental …, 2021 - Elsevier
Oxygenated volatile organic compounds (OVOCs) are important precursors and
intermediate products of atmospheric photochemical reactions, which can promote the …

Sources of formaldehyde and their contributions to photochemical O3 formation at an urban site in the Pearl River Delta, southern China

ZH Ling, J Zhao, SJ Fan, XM Wang - Chemosphere, 2017 - Elsevier
Abstract Two models (the Positive Matrix Factorization (PMF) model and a photochemical
box model with Master Chemical Mechanism (PBM-MCM)) were applied to analyze the …

Observations and explicit modeling of summertime carbonyl formation in Beijing: identification of key precursor species and their impact on atmospheric oxidation …

X Yang, L Xue, T Wang, X Wang, J Gao… - Journal of …, 2018 - Wiley Online Library
Carbonyls are an important group of volatile organic compounds (VOCs) that play critical
roles in tropospheric chemistry. To better understand the formation mechanisms of carbonyl …

Pollution mechanisms and photochemical effects of atmospheric HCHO in a coastal city of southeast China

T Liu, Y Lin, J Chen, G Chen, C Yang, L Xu, M Li… - Science of The Total …, 2023 - Elsevier
Formaldehyde (HCHO) is a vital reactive carbonyl compound, which plays an important role
in the photochemical process and atmospheric oxidation capacity. However, the current …