An analysis of the temporal variability in volatile organic compounds (VOCs) within megacity Seoul and an identification of their sources

Earth & Environmental Sciences

• megacity 97%
• volatile organic compound 74%
• mixing ratio 56%
• toluene 40%
• xylene 30%
• alkane 27%
• analysis 22%
• liquefied petroleum gas 19%
• diesel fuel 16%
• liquefied natural gas 15%
• ethane 15%
• industrial area 14%
• paint 14%
• air mass 13%
• seasonality 12%
• benzene 12%
• principal component analysis 11%
• traffic 11%
• evaporation 10%
• trajectory 10%
• combustion 10%
• winter 8%
• summer 7%

Engineering & Materials Science

• Volatile organic compounds 100%
• Toluene 50%
• Xylene 37%
• Paraffins 31%
• Ethane 17%
• Benzene 16%
• Liquefied petroleum gas 16%
• Paint 15%
• Liquefied natural gas 14%
• Diesel fuels 14%
• Evaporation 13%
• Principal component analysis 12%
• Gasoline 12%
• Trajectories 9%
• Chemical analysis 8%
• Air 7%

Chemical Compounds

• Volatile Organic Compound 85%
• Toluene 36%
• Xylene 34%
• Liquefied Natural Gas 28%
• Alkane 27%
• Liquefied Petroleum Gas 23%
• Solvent 23%
• Solubilizer 19%
• Diesel Fuel 19%
• Gasoline 17%
• Ethane 15%
• Evaporation 14%
• Benzene 11%
• Volume 9%