Full-Text Search:
Home|Journal Papers|About CNKI|User Service|FAQ|Contact Us|中文
《Meteorological Science and Technology》 2018-05
Add to Favorite Get Latest Update

Characteristics of AQI and Relationship with Meteorological Factors in Three Terrains over Hubei

Wang Xiaoling;Yue Yanyu;Chen Sainan;Zhu Ying;Chen Nan;Wuhan Central Meteorological Observatory;Hubei Environmental Monitoring Center Station;  
Based on the data of environmental monitoring and meteorological elements in Hubei Province in 2015 and 2016,this paper analyzes the characteristics of air quality and its relationship with meteorological factors in three kinds of terrains.The results show that the temporal and spatial distribution of air quality in Hubei Province was low in mountain and high in plain areas,and the high value of AQI in winter and low value of that in summer.It is shown that the daily maximum AQI of Xiangyang appeared at noon,and the highest value of Wuhan and Yichang appeared from 23:00 to 24:00.Meteorological factors that have obvious relationship with air quality include relative humidity,variable temperature and pressure,wind,precipitation,of which precipitation effect on pollutant sedimentation is related to the air quality grade.The heavier the pollution,the greater the amount of rain needed to clean the air.For mild and above pollution,moderate and above precipitation will be effective for clean air.When precipitation is in trace level(below 1 mm),there will be a growing trend in AQI.Under different terrain influences,there blew mainly north winds in Xiangyang,northwest winds in Wuhan and the weak easterly wind disturbance in Yichang in case of heavy pollution.The occurence frequency of large wind speed in Xiangyang was obviously higher than the others,and Yichang was dominated by breeze.
【Fund】: 国家重点研发计划项目(2017YFC0212603)“武汉城市圈大气污染联防联控技术集成与应用示范”;; 湖北省气象局重点基金项目(2014Z03)“湖北省城市空气质量预报技术研究”共同资助
【CateGory Index】: X51;X16
Download(CAJ format) Download(PDF format)
CAJViewer7.0 supports all the CNKI file formats; AdobeReader only supports the PDF format.
©2006 Tsinghua Tongfang Knowledge Network Technology Co., Ltd.(Beijing)(TTKN) All rights reserved