WRF四维同化数据在空气质量法规模型CALPUFF的应用研究  

APPLICATION OF FOUR-DIMENSION DATA ASSIMILATION METHODS IN CALPUFF

作　　者：杨景朝 伯鑫[2] 田军 王刚 李时蓓[2] 王琰[2] YANG Jing-chao;BO Xin;TIAN Jun;WANG Gang;LI Shi-bei;WANG Yan(Sichuan Meteorological Disasters Prevention Technology Center,Chengdu 610072,China;The Appraisal Center for Environment and Engineering,Ministry of Environmental Protection,Beijing 100012,China;Academy of Environmental Planning and Design,Co.,Ltd,Nanjing University,Nanjing 210093,China;,Trinity Consultants,Hangzhou 310012,China)

机构地区：[1]四川省气象灾害防御技术中心,成都610072 [2]环境保护部环境工程评估中心,北京100012 [3]南京大学环境规划设计研究院股份公司,南京210093 [4]三捷环境工程咨询(杭州)有限公司,杭州310012

出　　处：《环境工程》2018年第7期165-169,共5页Environmental Engineering

基　　金：国家环保公益性行业科研专项(201309062);国家环保公益性行业科研专项(201509010);清华大学环境学院重点学术机构2015年度开放基金课题

摘　　要：利用内蒙古正蓝旗地区气象观测数据和牛顿张弛逼近四维同化方法,通过WRF、CALPUFF的模拟,在此基础上结合气象要素、污染物浓度等实测数据,对比了同化前后模拟结果与观测结果的相符性。结果表明:在加入同化方案后,WRF模拟的各气象要素相关系数(R)、吻合指数等指标均有所提高,CALPUFF的模拟结果也更接近于观测值。说明该同化方法可有效提高气象要素模拟的准确性,有助于改善CALPUFF模拟效果,可应用于我国大气环境影响评价工作。The paper adopted meteorological observation data of Zhenglanqi in Inner Mongolia region,and processed by nudging four-dimension data assimilation method by WRF and CALPUFF simulation. Compared with observation data,assimilation scheme could significantly improve the WRF simulation results,such as correlation coefficient（ R） and match index of various meteorological elements and pollutant concentration. And CALPUFF simulation results were relatively closer to the observations. The assimilation method could effectively improve the accuracy of the meteorological elements simulation and CALPUFF simulation effect and be further used in environmental impact assessment.

关 键 词：WRF CALPUFF 四维同化 数值模拟 

分 类 号：X51[环境科学与工程—环境工程]