Abstract
In order to analyze the characteristics of air pollutant emission in ships in the Yangtze River Delta, this paperestablishes the air pollutant discharge list of ships in the Yangtze River Delta in 2017 based on the dynamic method of AIS data, and analyzes the emission characteristics of air pollutants in ships under different working conditions. The effect of its emission reduction measures and the spatial distribution of annual emissions of air pollutants from ships in the study area. The results showed: Among the atmospheric pollutants emitted by ships in the Yangtze River Delta in 2017, the emissions of SO2, NOx, PM10, HC and CO were 339,900 tons, 527,700 tons, 45,400 tons, 14,500 tons and 34,300 tons respectively. Low-speed navigation has the largest proportion of emissions. The use of shore power for ship berthing is an effective measure to reduce emissions from coastal areas in the region.
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