大气扩散模型计算结果析疑

扩散模型是大气污染物浓度预测最重要的工具。然而不同模型的预测结果差距很大,应该理性看待和应用其结果,本研究旨在通过实例说明这些问题。同时指出,同一类型的环评预测应该使用同一种模型,其结果才具有可比性。而最重要的还是要通过降低排放量来减少污染影响,不必过于计较模型观测结果。

ANALYSIS OF RESULTS CALCULATED BY ATMOSPHERIC DISPERSION MODEL

The diffusion model is the most important tool to predict air pollutant concentration.However,due to many factors,the predicted results of different models are different greatly,which should be viewed and applied rationally.This study aims to address these issues through examples.Also it is pointed out that the EIA forecast of the same type of project should use the same model,then the results can be comparable.The most important thing is that correspording measures should be taken to decrease emissions to reduce the impact,and not necessary to preoccupy the results predicted by different models.