Effect of Evolutions of Source Emissions and Meteorological Factors on SO2 Distribution and Sulfur Deposition in China
污染源、气象条件变化对我国SO2浓度及硫沉降量分布的影响

Using a 3\|D Eulerian transport model with actual emissions and meteorological data (1975,1980, and 1987),we analyzed the roles of key factors impacting on SO x distribution. The results implied the relative impact ratios of SO 2 concentrations and sulfur depositions induced by meteorological factors are about 20% for a period of that time, which are less several times than those by source emissions. However it is possible that the meteorological factors show major effect when there are significant variations of meteorological conditions and less disparity of emissions in Northwest China and the Tibetan Plateau areas.