Spatial and temporal air quality analysis of Chinese cities using geographically and temporally weighted regression

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	Spatial and temporal air quality analysis of Chinese cities using geographically and temporally weighted regression
	Xuan, Haiyan 2; Li, Qi 3; Amin, Mahammad 1; Zhang, Anqi 3
刊名	MAEJO INTERNATIONAL JOURNAL OF SCIENCE AND TECHNOLOGY
	2016-09-01
卷号	10 期号:3 页码:256-271
关键词	GTWR model two-step estimator air quality spatial and temporal air quality analysis Chinese cities
ISSN号	1905-7873
英文摘要	Local modelling techniques are useful for analysis of spatio-temporal data because of their ability to extract underlying patterns. We use geographically and temporally weighted regression (GTWR) to analyse the spatial and temporal characteristics of air quality in 67 Chinese cities. The method employs a two-step estimator to examine the relationship between the indices and the given climatic conditions in the cities. The simulation performance is satisfactory. The mean monthly air quality index (AQI) varies with the spatiotemporal position when the level of the monthly precipitation and the mean monthly temperature are controlled at one station. The AQI is highest in northern China, moderate on the south-eastern coast and low in southern China. Cities in northern China, eastern coastal cities, north-eastern cities and the city of Urumqi have a maximum rate of change when the monthly precipitation increases by one unit. The monthly mean AQI of most cities in Anhui, Zhejiang and Jiangsu provinces exhibits the greatest decrease with an increase in the monthly average temperature when the monthly precipitation remains unchanged.
资助项目	National Natural Science Foundation of China[11261031]
WOS研究方向	Science & Technology - Other Topics
语种	英语
出版者	MAEJO UNIV
WOS记录号	WOS:000388448500002
状态	已发表
内容类型	期刊论文
源URL	[http://119.78.100.223/handle/2XXMBERH/33620]
专题	经济管理学院
通讯作者	Xuan, Haiyan; Amin, Mahammad
作者单位	1.Nucl Inst Food & Agr NIFA, Peshawar, Pakistan 2.Lanzhou Univ Technol, Sch Econ & Management, Lanzhou, Peoples R China 3.Lanzhou Univ Technol, Sch Sci, Lanzhou, Peoples R China
推荐引用方式 GB/T 7714	Xuan, Haiyan,Li, Qi,Amin, Mahammad,et al. Spatial and temporal air quality analysis of Chinese cities using geographically and temporally weighted regression[J]. MAEJO INTERNATIONAL JOURNAL OF SCIENCE AND TECHNOLOGY,2016,10(3):256-271.
APA	Xuan, Haiyan,Li, Qi,Amin, Mahammad,&Zhang, Anqi.(2016).Spatial and temporal air quality analysis of Chinese cities using geographically and temporally weighted regression.MAEJO INTERNATIONAL JOURNAL OF SCIENCE AND TECHNOLOGY,10(3),256-271.
MLA	Xuan, Haiyan,et al."Spatial and temporal air quality analysis of Chinese cities using geographically and temporally weighted regression".MAEJO INTERNATIONAL JOURNAL OF SCIENCE AND TECHNOLOGY 10.3(2016):256-271.