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Spatiotemporal Patterns of Vegetation Greenness Change and Associated Climatic and Anthropogenic Drivers on the Tibetan Plateau during 2000-2015
Li, Lanhui1,2; Zhang, Yili1,2,3; Liu, Linshan1; Wu, Jianshuang4; Wang, Zhaofeng1; Li, Shicheng5; Zhang, Huamin6,7; Zu, Jiaxing1,2; Ding, Mingjun6,7; Paudel, Basanta1
2018-10-01
Source PublicationREMOTE SENSING
ISSN2072-4292
Volume10Issue:10Pages:16
Corresponding AuthorZhang, Yili(zhangyl@igsnrr.ac.cn) ; Liu, Linshan(lilh.15b@igsnrr.ac.cn)
AbstractAlpine vegetation on the Tibetan Plateau (TP) is known to be sensitive to both climate change and anthropogenic disturbance. However, the magnitude and patterns of alpine vegetation dynamics and the driving mechanisms behind their variation on the TP remains under debate. In this study, we used updated MODIS Collection 6 Normalized Difference Vegetation Index (NDVI) from the Terra satellite combined with linear regression and the Break for Additive Season and Trend model to reanalyze the spatiotemporal patterns of vegetation change on the TP during 2000-2015. We then quantified the responses of vegetation variation to climatic and anthropogenic factors by coupling climatic and human footprint datasets. Results show that growing season NDVI (GNDVI) values increased significantly overall (0.0011 year(-1), p < 0.01) during 2000-2015 and that 70.37% of vegetated area on the TP (23.47% significantly with p < 0.05) exhibited greening trends with the exception of the southwest TP. However, vegetation greenness experienced trend shifts from greening to browning in half of the ecosystem zones occurred around 2010, likely induced by spatially heterogeneous temporal trends of climate variables. The vegetation changes in the northeastern and southwestern TP were water limited, the mid-eastern TP exhibited strong temperature responses, and the south of TP was driven by a combination of temperature and solar radiation. Furthermore, we found that, to some extent, anthropogenic disturbances offset climate-driven vegetation greening and aggravated vegetation browning induced by water deficit. These findings suggest that the impact of anthropogenic activities on vegetation change might not overwhelm that of climate change at the region scale.
Keywordvegetation change NDVI climate change anthropogenic disturbance Tibetan Plateau
DOI10.3390/rs10101525
WOS KeywordNET PRIMARY PRODUCTION ; SPOT NDVI DATA ; ALPINE GRASSLAND ; TIME-SERIES ; TERRESTRIAL ECOSYSTEMS ; HUMAN FOOTPRINT ; NATURE-RESERVES ; TREND ANALYSIS ; UP DATE ; CHINA
Indexed BySCI
Language英语
Funding ProjectStrategic Priority Research Program of the Chinese Academy of Sciences[XDA20040201] ; National Natural Science Foundation of China[41671104] ; National Natural Science Foundation of China[41761144081] ; International Partnership Program of Chinese Academy of Sciences[131C11KYSB20160061]
Funding OrganizationStrategic Priority Research Program of the Chinese Academy of Sciences ; National Natural Science Foundation of China ; International Partnership Program of Chinese Academy of Sciences
WOS Research AreaRemote Sensing
WOS SubjectRemote Sensing
WOS IDWOS:000448555800025
PublisherMDPI
Citation statistics
Document Type期刊论文
Identifierhttp://ir.igsnrr.ac.cn/handle/311030/52557
Collection中国科学院地理科学与资源研究所
Corresponding AuthorZhang, Yili; Liu, Linshan
Affiliation1.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Key Lab Land Surface Pattern & Simulat, Beijing 100101, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.Chinese Acad Sci, Ctr Excellence Tibetan Plateau Earth Sci, Beijing 100101, Peoples R China
4.Free Univ Berlin, Inst Biol, Biodivers Theoret Ecol, D-14195 Berlin, Germany
5.China Univ Geosci, Sch Publ Adm, Wuhan 430074, Peoples R China
6.Jiangxi Normal Univ, Minist Educ, Key Lab Poyang Lake Wetland & Watershed Res, Nanchang 330028, Jiangxi, Peoples R China
7.Jiangxi Normal Univ, Sch Geog & Environm, Nanchang 330028, Jiangxi, Peoples R China
Recommended Citation
GB/T 7714
Li, Lanhui,Zhang, Yili,Liu, Linshan,et al. Spatiotemporal Patterns of Vegetation Greenness Change and Associated Climatic and Anthropogenic Drivers on the Tibetan Plateau during 2000-2015[J]. REMOTE SENSING,2018,10(10):16.
APA Li, Lanhui.,Zhang, Yili.,Liu, Linshan.,Wu, Jianshuang.,Wang, Zhaofeng.,...&Paudel, Basanta.(2018).Spatiotemporal Patterns of Vegetation Greenness Change and Associated Climatic and Anthropogenic Drivers on the Tibetan Plateau during 2000-2015.REMOTE SENSING,10(10),16.
MLA Li, Lanhui,et al."Spatiotemporal Patterns of Vegetation Greenness Change and Associated Climatic and Anthropogenic Drivers on the Tibetan Plateau during 2000-2015".REMOTE SENSING 10.10(2018):16.
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