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APPLICATION RESEARCH OF ACCOUNTING OF FUGITIVE AREA SOURCE INTENSITY WITH CONCENTRATION REVERSE METHOD BASED ON CALPUFF MODEL
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摘要: 针对建设项目环境影响评价领域中无组织面源源强核算的难点，提出了一个基于CALPUFF模型浓度反推无组织面源源强的方法。以多个无组织面源构成的园区为案例，选取园区排放的典型污染物SO2，核算并验证基于该方法得到的无组织面源源强。研究结果表明：该案例园区污染物排放对周围环境影响较大，符合区域污染物超标的实际情况。对于动态变化的无组织面源，采用CALPUFF模型利用浓度反推法，核算出的分级源强可定量描述无组织面源源强的变化范围；得到的平均源强更具普适性和代表性，它可量化多个无组织不定常面源对周边环境污染影响的一般情形。因此，基于CALPUFF浓度反推核算无组织面源源强是可行并且合理的。Abstract: Aiming at the difficulty of the fugitive area source intensity accounting in the field of environmental impact assessment of construction projects, a method based on the concentration of CALPUFF model to reverse the fugitive area source intensity was proposed. Taking an industrial park composed of multiple fugitive area sources as the example, the typical pollutant, SO2 emitted from the park was selected to calculate and verify the source intensity of the fugitive area sources obtained based on this method. The research results showed that the pollutant emitted from the park in this case had a great impact on the surrounding environment, and accorded with the actual situation that the regional pollutants exceed the standard. For the dynamically changing fugitive area source, the CALPUFF model with concentration reverse method was applied, and the calculated grading source intensity could quantitatively describe the variation range of the fugitive area source; the obtained average source intensity was universal and representative. It could quantify the general situation of effect of multiple fugitive unsteady area sources on the surrounding environment. Therefore, it was feasible and reasonable to calculate the fugitive area source intensity based on the CALPUFF with concentration reverse method.
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Key words:
- CALPUFF /
- fugitive area source intensity /
- concentration reverse
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