Title
Contrasting Effects of Temperature and Precipitation on Vegetation Greenness along Elevation Gradients of the Tibetan Plateau.
Abstract
The Tibetan Plateau (TP) is one of the most sensitive regions to global climate warming, not only at the inter-annual time scale but also at the altitudinal scale. We aim to investigate the contrasting effects of temperature and precipitation on vegetation greenness at different altitudes across the TP. In this study, interannual and elevational characteristics of the Normalized Difference Vegetation Index (NDVI), temperature, and precipitation were examined during the growing season from 1982 to 2015. We compared the elevational movement rates of the isolines of NDVI, temperature, and precipitation, and the sensitivities of elevational NDVI changes to temperature and precipitation. The results show that from 1982 to 2015, the elevational variation rate of isolines for NDVI mismatched with that for temperature and precipitation. The elevational movements of NDVI isolines were mostly controlled by precipitation at elevations below 2400 m and by the temperature at elevations above 2400 m. Precipitation appears to plays a role similar to temperature, and even a more effective role than the temperature at low elevations, in controlling elevational vegetation greenness changes at both spatial and interannual scales in the TP. This study highlights the regulation of temperature and precipitation on vegetation ecosystems along elevation gradients over the whole TP under global warming conditions.
Year
DOI
Venue
2020
10.3390/rs12172751
REMOTE SENSING
Keywords
DocType
Volume
vegetation greenness,precipitation,temperature,elevational variation,sensitivity,isoline
Journal
12
Issue
Citations 
PageRank 
17
0
0.34
References 
Authors
0
12
Name
Order
Citations
PageRank
Yan Wang116439.53
Dailiang Peng2479.43
Miaogen Shen342.55
Xiyan Xu401.01
Xiaohua Yang500.68
Wenjiang Huang617951.84
Le Yu717421.48
Liangyun Liu810445.70
Li Cun-jun9138.27
Xinwu Li1001.35
Shijun Zheng1101.69
Cunjun Li12124.61