Results 1 to 10 of about 51,005 (120)

The Characteristics of Heavy Ozone Pollution Episodes and Identification of the Primary Driving Factors Using a Generalized Additive Model (GAM) in an Industrial Megacity of Northern China

Atmosphere, 2021
Tropospheric ozone is the only normal pollutant with a continuously increasing annual average concentration worldwide. In this study, data were monitored at the Nankai University Air Quality Research Supersite (NKAQRS) (38.99° N, 117.33° E) between 1 ...
Liuli Diao, Xiaohui Bi, Wenhui Zhang, Baoshuang Liu, Xuehan Wang, Linxuan Li, Qili Dai, Yufen Zhang, Jianhui Wu, Yinchang Feng   +9 more
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Measurement report: Spatiotemporal and policy-related variations of PM_2.5 composition and sources during 2015–2019 at multiple sites in a Chinese megacity [PDF]

Atmospheric Chemistry and Physics, 2021
A thorough understanding of the relationship between urbanization and PM2.5 (fine particulate matter with aerodynamic diameter less than 2.5 µm) variation is crucial for researchers and policymakers to study health effects and improve air quality.
X. Feng, Y. Tian, Y. Tian, Q. Xue, D. Song, F. Huang, Y. Feng   +6 more
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Source-specific risks of synchronous heavy metals and PAHs in inhalable particles at different pollution levels: Variations and health risks during heavy pollution

Environment International, 2021
Synchronous heavy metals (HMs) and polycyclic aromatic hydrocarbons (PAHs) in inhalable particulate matter (PM10) were measured during 2009–2012 and 2015–2016 in a Chinese megacity (Chengdu) to understand the variations in source-specific health risks ...
Yueming Sun, Yingze Tian, Qianqian Xue, Bin Jia, Yang Wei, Danlin Song, Fengxia Huang, Yinchang Feng   +7 more
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Sources and uncertainties of health risks for PM2.5-bound heavy metals based on synchronous online and offline filter-based measurements in a Chinese megacity

Environment International, 2022
Accurate measurements of PM2.5 related heavy metals (HMs) and some components are critical to better understanding the sources and health risks of PM2.5. HMs and other components in PM2.5 were simultaneously measured using online and offline filter-based
Rui Chen, Yehui Zhao, Yingze Tian, Xin Feng, Yinchang Feng   +4 more
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Evaluation of regional background particulate matter concentration based on vertical distribution characteristics [PDF]

Atmospheric Chemistry and Physics, 2015
Heavy regional particulate matter (PM) pollution in China has resulted in an important and urgent need for joint control actions among cities. It is advisable to improve the understanding of the regional background concentration of PM for the development
S. Han, Y. Zhang, J. Wu, X. Zhang, Y. Tian, Y. Wang, J. Ding, W. Yan, X. Bi, G. Shi, Z. Cai, Q. Yao, H. Huang, Y. Feng   +13 more
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Estimation of the direct and indirect impacts of fireworks on the physicochemical characteristics of atmospheric PM₁₀ and PM_2.5 [PDF]

Atmospheric Chemistry and Physics, 2014
To quantify the total, direct and indirect impacts of fireworks individually, size-resolved PM samples were collected before, during and after a Chinese folk festival (Chinese New Year) in a megacity in China.
Y. Z. Tian, J. Wang, X. Peng, G. L. Shi, Y. C. Feng   +4 more
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Source-specific health risk assessment of PM2.5-bound heavy metals based on high time-resolved measurement in a Chinese megacity: insights into seasonal and diurnal variations

Ecotoxicology and Environmental Safety, 2021
The health effects of PM2.5 associated heavy metals have caused wide public concern. To more accurately assess source-specific health risks of PM2.5-bound heavy metals, and to formulate a cost-effective control strategy to health risk reduction, it is ...
Rui Chen, Bin Jia, Yingze Tian, Yinchang Feng   +3 more
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Effectiveness evaluation of temporary emission control action in 2016 in winter in Shijiazhuang, China [PDF]

Atmospheric Chemistry and Physics, 2018
To evaluate the environmental effectiveness of the control measures for atmospheric pollution in Shijiazhuang, China, a large-scale controlling experiment for emission sources of atmospheric pollutants (i.e.
B. Liu, Y. Cheng, M. Zhou, D. Liang, Q. Dai, L. Wang, W. Jin, L. Zhang, Y. Ren, J. Zhou, C. Dai, J. Xu, J. Wang, Y. Feng, Y. Zhang   +14 more
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Marked impacts of transient conditions on potential secondary organic aerosol production during rapid oxidation of gasoline exhausts

npj Climate and Atmospheric Science, 2023
Vehicle emission is a major source of atmospheric secondary organic aerosols (SOA). Driving condition is a critical influencing factor for vehicular SOA production, but few studies have revealed the dependence on rapid-changing real-world driving ...
Jinsheng Zhang, Jianfei Peng, Ainan Song, Zongyan Lv, Hui Tong, Zhuofei Du, Jiliang Guo, Lin Wu, Ting Wang, Mattias Hallquist, Hongjun Mao   +10 more
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The effect of emission source chemical profiles on simulated PM_2.5 components: sensitivity analysis with the Community Multiscale Air Quality (CMAQ) modeling system version 5.0.2 [PDF]

Geoscientific Model Development, 2023
A chemical transport model (CTM) is an essential tool for air quality prediction and management, widely used in air pollution control and health risk assessment. However, the current models do not perform very well in reproducing the observations of some
Z. Luo, Z. Luo, Y. Han, Y. Han, K. Hua, K. Hua, Y. Zhang, Y. Zhang, J. Wu, J. Wu, X. Bi, X. Bi, X. Bi, Q. Dai, Q. Dai, B. Liu, B. Liu, Y. Chen, X. Long, Y. Feng, Y. Feng, Y. Feng   +21 more
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