14 Result(s)
within
Shuiyuan **ao
Atmospheric Protection/Air Quality Control/Air Pollution
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Article
National emissions inventory and future trends in greenhouse gases and other air pollutants from civil airports in China
Civil aviation is an important source of air pollutants, but this field has received insufficient attention in China. Based on the standard emissions model of the International Civil Aviation Organization (ICA...
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Article
Exploring the causes for co-pollution of O3 and PM2.5 in summer over North China
Co-pollution of surface O3 and PM2.5 has become the most predominant type of air pollutions in Bei**g-Tian**-Hebei region in the hot season since 2017, particularly in May–July. Analysis based on observational ...
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Article
Photochemical degradation of β-hexachlorocyclohexane in snow and ice
Hexachlorocyclohexane (HCH), a typical organochloride pesticide, is one of the persistent organic pollutants. Despite the ban on technical grade HCH, it has been continuously observed at a steady level in the ...
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Article
Characteristics and source apportionment of atmospheric volatile organic compounds in Bei**g, China
This paper focused on VOCs and their source apportionment in urban Bei**g. Our monitoring measured 52 VOCs in July 2014 and January 2015. The concentration of VOCs was in the range of 14.5~95.2 ppb in July an...
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Article
Air quality improvement and health benefit of PM2.5 reduction from the coal cap policy in the Bei**g–Tian**–Hebei (BTH) region, China
Large amounts of air pollutants emitted from massive coal combustion result in the air quality deterioration and threaten public health in China. To improve air quality, the Chinese government released the coa...
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Article
Speciated VOCs emission estimate for a typical petrochemical manufacturing plant in China using inverse-dispersion calculation method
Volatile organic compounds (VOCs) play a key role in air pollution of China. Among various sources, petrochemical industry is one of the important contributors, but its VOC emission estimate still exists a big...
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Article
Impact of emission control on PM2.5 and the chemical composition change in Bei**g-Tian**-Hebei during the APEC summit 2014
The success of the emission reduction measures undertaken by authorities in the Asia-Pacific Economic Cooperation summit 2014 demonstrated that the Bei**g-Tian**-Hebei air quality can be improved by introduc...
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Article
Characterizing ozone pollution in a petrochemical industrial area in Bei**g, China: a case study using a chemical reaction model
This study selected a petrochemical industrial complex in Bei**g, China, to understand the characteristics of surface ozone (O3) in this industrial area through the on-site measurement campaign during the July–A...
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Article
Source apportionment and seasonal variation of PM2.5 carbonaceous aerosol in the Bei**g-Tian**-Hebei Region of China
The seasonal variation of PM2.5 carbonaceous aerosol was investigated in Bei**g and Tangshan cities of China. The characteristics of carbonaceous aerosol (e.g., organic carbon, OC and elemental carbon, EC) under...
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Article
Characterization of ambient ozone and its precursors around a coking plant
The local-scale relationship between ambient ozone (O3) and its precursors was examined around a coking plant in northern China. The upwind, plant boundary, and downwind locations were selected for investigation ...
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Article
Environmental process and convergence belt of atmospheric NO2 pollution in North China
Both surface environmental monitoring and satellite remote sensing show that North China is one of the regions that are heavily polluted by NO2. Using the NO2 monitoring data from 18 major cities in the region, t...
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Article
An ARPS-CMAQ Modeling Approach for Assessing the Atmospheric Assimilative Capacity of the Bei**g Metropolitan Region
A coupled ARPS–CMAQ modeling system was applied to investigate the atmospheric assimilative capacity (AAC) of PM10 in the Bei**g metropolitan region of China. The AAC was defined as the maximum allowable polluta...
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Article
A gaussian-box modeling approach for urban air quality management in a Northern Chinese City—II. pollutant emission abatement
A modeling framework by linking air quality simulation with system optimization was presented in this paper to develop cost-effective urban air quality management strategies in Fengnan district of China. The r...
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Article
A gaussian-box modeling approach for urban air quality management in a northern chinese city—I. model development
A Gaussian-box modeling approach was presented in this paper to examine the urban air quality due to multiple point- and area-source emissions in the northern Chinese city of Fengnan, which is associated with ...
