采用区域气候模式与大气化学模式相连接的模式系统,模拟研究了对流层垂直臭氧分布变化量对东南亚生物质燃烧排放源强变化的响应程度.结果表明。源区对流层臭氧垂直积分浓度对燃烧源强变化十分敏感,下游区次之.特别是在对流层的中低层影响最显著,但对源区臭氧的贡献比下游区要大得多.在对流层中高层,源区和下游区受影响程度相当.对流层低层源区臭氧增加的时间超前下游区,超前的时间随高度的增加而减小,而在对流层中层出现滞后现象,到对流层高层臭氧最大值出现的时间相同.
The model system of regional climate model linked with :atmospheric chemical model is applied to simulate the response of variation of the vertical distribution of the tropospheric ozone to the intensity of emission from biomass burning in South Asia. The result shows that the integrated vertical ozone concentration of the troposphere is very sensitive to the intensity of the burning emission at .source regions, increased with a greater rate than in downwind regions of the lower and middle troposphere, but with the same rate as in the middle and upper troposphere. Increase of ozone occurs earlier in the lower troposphere than the lower parts of the source regions and the foregoing decreases with height, but lags in the middle troposphere, and takes place in the same duration in the upper troposphere.