Spatiotemporal Changes of Vegetation Cover in Response to Climate Change on the Tibetan Plateau |
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Authors: | LIJuncheng, WANG Jianrong, GONG Bin, GAN Xiaoli, HU Weiwu, LIU Weiling |
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Affiliation: | [1]China University ofGeosciences(Beijing), Beijing 100083, China; [2]Environmental Science Research & Design Institute of Qinghai Province, Xining 810007, Qinghai, China; [3]Chinese Research Academy of Environmental Sciences, Beijing 100012, China; [4]China State Environmental Protection Key Laboratory of Regional Ecological Processes and FunctionsAssessment, Beijing 100012, China; [5]Chinese Society for Urban Studies, Beijing 100048, China |
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Abstract: | The Tibetan Plateau is one of the most important ecological barriers in China. Resolving the internal relations and dynamics ruling the association between regional vegetation and climate change is important to understand and protect the regional ecosystems. Based on vegetation, temperature and precipitation data of the Tibetan Plateau from 2001 to 2010, we analyze the spatial and temporal variations of vegetation cover over the past 10 years and discuss the vegetation response to climate change using empirical orthogonal function and singular value decomposition. Our results reveal the following:(1) vegetation cover gradually decreases from the southeast to the northwest of the Tibetan Plateau;(2) vegetation cover has increased on the Tibetan Plateau over the past 10 years, mainly in the central and eastern zones; and(3) a significant positive relationship was suggested between vegetation cover during growing season and the temperature in the entire region and with precipitation in the central and southern zones. |
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Keywords: | Tibetan Plateau NDVI climate change singular value decomposition (SVD) |
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