成都静稳天气综合指数的构建及其应用  

Construction and Application of Stable Weather Index of Chengdu

作　　者：栗培真 向卫国[1] 张小玲[1] LI Peizhen;XIANG Weiguo;ZHANG Xiaoling(Chengdu University of Information Technology,Chengdu 610225,China)

机构地区：[1]成都信息工程大学,四川成都610225

出　　处：《成都信息工程大学学报》2020年第1期87-95,共9页Journal of Chengdu University of Information Technology

基　　金：国家重点研发计划资助项目(2018YFC0214002)。

摘　　要：为定量描述大气静稳程度和预报空气质量,利用温江站2014-2018年常规气象观测资料及成都市空气质量监测数据,构建适合成都的静稳天气综合指数,分析静稳天气综合指数与空气质量指数及PM2.5浓度的相关关系,建立了空气质量预报模型。结果表明:优化后的静稳天气综合指数能较好地反映大气静稳程度,且与空气质量指数及PM2.5浓度有很好的相关性;利用静稳天气综合指数空气质量预报模型,在污染有无的预报上效果较好,对2018年冬季试预报的准确率达到了68.4%。In order to quantitatively describe the stable degree of the atmosphere and predict air quality,the stable weather index(SWI)suitable for Chengdu was constructed using conventional meteorological observation data of 2014-2018 in Wenjiang Station and air quality monitoring data of 2014-2018 in Chengdu.Then the correlation among stable weather index and air quality index and PM25 concentration was analyzed,and an air quality forecast model was established.The results can be concluded as follows:The improved stable weather index can better reflect the stable degree of the atmosphere,and it has a good correlation with air quality index and PM25 concentration.Using the air quality forecasting model of stable degree weather index,the forecast of whether air pollution exists or not has a better effect,with the accuracy rate reaches 68.4%in winter of 2018.

关 键 词：气象学 环境气象 大气污染 静稳天气 静稳天气综合指数 构建 应用 

分 类 号：P457[天文地球—大气科学及气象学]