干旱区生态环境知识资源中心(Arid): Factors Affecting Long-Term Trends in Global NDVI

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DOI	10.3390/f10050372
	Factors Affecting Long-Term Trends in Global NDVI
	Yang, Yujie 1,2,3; Wang, Shijie1,3 ; Bai, Xiaoyong 1,3; Tan, Qiu 2; Li, Qin 1,3; Wu, Luhua 1,3; Tian, Shiqi 1,2; Hu, Zeyin 1,3; Li, Chaojun 1,2; Deng, Yuanhong 1,3
通讯作者	Bai, Xiaoyong
来源期刊	FORESTS
ISSN	1999-4907
出版年	2019
卷号	10 期号:5
英文摘要	Diagnosing the evolution trends of vegetation and its drivers is necessary for ecological conservation and restoration. However, it remains unclear what the underlying distribution pattern of these trends and its correlation with some drivers at large spatial-temporal scales. Here we use the normalized difference vegetation index (NDVI) to quantify the activity of vegetation by Theil-Sen median trend analysis and the Mann-Kendall test, Pearson correlation analysis and Boosted regression trees (BRT) model. Results show that about 34% of the global continent area has experienced greening in the grid annual NDVI from 1982 to 2015. The major greening areas were observed in the Sahel, European, India and south China. Only 10% of the global continent land areas were browning, and these were observed in Canada, South America, central Africa and Central Asia. BRT model shows that rainfall is the most important factor affecting vegetation evolution (63.1%), followed by temperature (15%), land cover change (8.6%), population (6.5%), elevation (6.4%) and nightlight (0.4%). It's about 21% of the world's continent were affected by rainfall, mainly in arid regions such as central Asia and Australia. The main temperature-affected areas accounted for 36%, located near the equator or in high latitudes.
英文关键词	NDVI Theil-Sen median Mann-Kendall test trends correlation analysis boosted regression trees
类型	Article
语种	英语
国家	Peoples R China
开放获取类型	Green Submitted, gold
收录类别	SCI-E
WOS记录号	WOS:000478814700012
WOS关键词	VEGETATION DYNAMICS ; INTERANNUAL VARIABILITY ; SATELLITE-OBSERVATIONS ; CHINA KARST ; CLIMATE ; COVER ; PRECIPITATION ; TEMPERATURE ; EXPANSION ; RESPONSES
WOS类目	Forestry
WOS研究方向	Forestry
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/215698
作者单位	1.Chinese Acad Sci, Inst Geochem, State Key Lab Environm Geochem, 99 Lincheng West Rd, Guiyang 550081, Guizhou, Peoples R China; 2.Guizhou Normal Univ, Sch Geog & Environm Sci, Guiyang 550081, Guizhou, Peoples R China; 3.Chinese Acad Sci, Puding Karst Ecosyst Observat & Res Stn, Puding 562100, Peoples R China
推荐引用方式 GB/T 7714	Yang, Yujie,Wang, Shijie,Bai, Xiaoyong,et al. Factors Affecting Long-Term Trends in Global NDVI[J],2019,10(5).
APA	Yang, Yujie.,Wang, Shijie.,Bai, Xiaoyong.,Tan, Qiu.,Li, Qin.,...&Deng, Yuanhong.(2019).Factors Affecting Long-Term Trends in Global NDVI.FORESTS,10(5).
MLA	Yang, Yujie,et al."Factors Affecting Long-Term Trends in Global NDVI".FORESTS 10.5(2019).