Influence of Ship Emissions on Urban Air Quality: A Comprehensive Study Using Highly Time-Resolved Online Measurements and Numerical Simulation in Shanghai
作者： Zhanmin Liu , Xiaohui Lu , Junlan Feng , Qianzhu Fan , Yan Zhang
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摘要: Shanghai has become an international shipping center in the world. In this study, multiyear measurements and high resolution air quality model with hourly ship emission inventory were combined to determine influence of emissions on urban Shanghai. The aerosol time-of-flight mass spectrometer (ATOFMS) carried out at site from April 2009 January 2013. During entire sampling time, most half-hourly averaged number fractions primary emitted particles varied between 1.0–10.0%. However, fraction could reach up 50% during plume cases. Ship-plume-influenced periods usually occurred spring summer. simulation Weather Research Forecasting/Community Multiscale Air Quality (WRF/CMAQ) provided highly time-resolved concentrations ship-related pollutants a case. It showed ships contribute 20–30% (2–7 μg/m3) total PM2.5 within tens ...
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