Article: [Contributors to Air Pollutant Emission Changes in Autumn and Winter in Beijing-Tianjin-Hebei and Surrounding Areas].
Huan jing ke xue= Huanjing kexue
2021 Volume 42, Issue 4, Page(s) 1591–1599
Abstract: ... a quantitative analysis on the changes in major air pollutant emissions in Beijing-Tianjin-Hebei and its surrounding areas ... the COVID-19 pandemic to major air pollutant emission reductions were studied, and their impacts ... the major air pollutant emissions in the region had dropped by approximately 50%, and the average ...
| Abstract | Based on the air pollution emission inventory technical methodology, this study conducted a quantitative analysis on the changes in major air pollutant emissions in Beijing-Tianjin-Hebei and its surrounding areas from the 'New Year Haze' in the autumn and winter of 2016-2017 to the 'Pandemic Haze' in the autumn and winter of 2019-2020. The contributions of the implementation of air pollution prevention and control policies and the COVID-19 pandemic to major air pollutant emission reductions were studied, and their impacts on the regional air quality under adverse meteorological conditions were simulated using an air quality model. The results showed that from the 'New Year Haze' in Dec 2016-Jan 2017 to the 'Pandemic Haze' in Jan-Feb 2020, the major air pollutant emissions in the region had dropped by approximately 50%, and the average concentration of PM |
|---|---|
| Language | Chinese |
| Publishing date | 2021-03-20 |
| Publishing country | China |
| Document type | English Abstract ; Journal Article |
| ISSN | 0250-3301 |
| ISSN | 0250-3301 |
| DOI | 10.13227/j.hjkx.202007218 |
| Database | MEDical Literature Analysis and Retrieval System OnLINE |
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