AERMOD和CALPUFF对静小风区域热电厂烟气扩散模拟的研究  

Comparative Study of AERMOD and CALPUFF on Smoke Diffusion Simulation of Thermal Power Plant in Quite Wind Area

作　　者：关勖 舒璐 杜超[1] 张玉麟[1] 潘峰[1] GUAN Xu;SHU Lu;DU Chao;ZHANG Yulin;PAN Feng(College of Atmospheric Science,Lanzhou University,Lanzhou 730000,China)

机构地区：[1]兰州大学大气科学学院,甘肃兰州730000

出　　处：《环境保护科学》2019年第2期27-33,共7页Environmental Protection Science

基　　金：国家杰出青年科学基金项目(41225018)资助

摘　　要：使用《环境影响评价技术导则大气环境》(HJ2.2—2008)推荐的环境空气质量模式AERMOD和CALPUFF对河谷盆地静小风区域热电厂的烟气扩散进行了对比模拟研究。结果表明:典型月日均浓度值方面,AERMOD模拟结果与实测值的IOA模拟指数为-0.29,模式模拟结果不理想;CALPUFF模拟结果与实测值的IOA模拟指数为0.35,模式模拟结果较理想。典型日小时浓度值方面,AERMOD模拟结果与实测值的IOA指数为0.37,模式模拟结果较为理想;CALPUFF模拟结果与实测值的IOA指数为0.74,模式模拟结果理想,且CALPUFF模拟浓度分布范围较AERMOD明显更广、整体浓度较AERMOD更高,高值区分布地点也不再单一。根据以上研究结果,在模拟静小风区域的大气扩散时,应使用CALPUFF模式模拟以保证结果的准确性。The smoke diffusion of thermal power plants in the quiet wind area of valley basin is comparatively simulated by using the environmental air quality model AERMOD and CALPUFF recommended by Guidelines for Environmental Impact Assessment Atmospheric Environment(HJ2.2-2008).The results show that,in terms of typical monthly and daily average concentration,the IOA simulation index of the AERMOD simulation results with measured values is-0.29,and the model simulation results are not ideal; the IOA simulation index of the CALPUFF simulation results with measured values is 0.35,the results show ideal.In terms of typical daily and hourly average concentration,the IOA simulation index of the AERMOD simulation results with measured values is 0.37,and the model simulation results are slightly ideal; the IOA simulation index of the CALPUFF simulation results with measured values is 0.74,the simulation results of CALPUFF are better.Beside,compared with AERMOD,CALPUFF simulation concentration distribution range is significantly wider,the overall concentration is higher,and the location of the high value area is no longer single.According to the above research results,for simulating the atmospheric diffusion in the static small wind region,the CALPUFF mode simulation should be used to ensure the accuracy of the results.

关 键 词：静小风区域 AERMOD CALPUFF 热电厂烟气扩散模拟 IOA模拟指数 

分 类 号：X823[环境科学与工程—环境工程] P49[天文地球—大气科学及气象学]