Spatial pattern of non-stationarity and scale-dependent relationships between NDVI and climatic factors—A case study in Qinghai-Tibet Plateau, China

2012 ◽  
Vol 20 ◽  
pp. 170-176 ◽  
Author(s):  
Yang Gao ◽  
Jiao Huang ◽  
Shuang Li ◽  
Shuangcheng Li
Geomorphology ◽  
2021 ◽  
pp. 107592
Author(s):  
Tianjun Qi ◽  
Xingmin Meng ◽  
Feng Qing ◽  
Yan Zhao ◽  
Wei Shi ◽  
...  

2017 ◽  
Vol 37 (21) ◽  
Author(s):  
钟志明 ZHONG Zhiming ◽  
王建林 WANG Jianlin ◽  
冯西博 FENG Xibo ◽  
付刚 FU Gang ◽  
侯维海 HOU Weihai ◽  
...  

2016 ◽  
Vol 25 (11) ◽  
pp. 2373-2386 ◽  
Author(s):  
Dafu Ru ◽  
Kangshan Mao ◽  
Lei Zhang ◽  
Xiaojuan Wang ◽  
Zhiqiang Lu ◽  
...  

2021 ◽  
Vol 13 (19) ◽  
pp. 10488
Author(s):  
Yiru Jia ◽  
Jifu Liu ◽  
Lanlan Guo ◽  
Zhifei Deng ◽  
Jiaoyang Li ◽  
...  

Slope geohazards, which cause significant social, economic and environmental losses, have been increasing worldwide over the last few decades. Climate change-induced higher temperatures and shifted precipitation patterns enhance the slope geohazard risks. This study traced the spatial transference of slope geohazards in the Qinghai-Tibet Plateau (QTP) and investigated the potential climatic factors. The results show that 93% of slope geohazards occurred in seasonally frozen regions, 2.6% of which were located in permafrost regions, with an average altitude of 3818 m. The slope geohazards are mainly concentrated at 1493–1988 m. Over time, the altitude of the slope geohazards was gradually increased, and the mean altitude tended to spread from 1984 m to 2562 m by 2009, while the slope gradient varied only slightly. The number of slope geohazards increased with time and was most obvious in spring, especially in the areas above an altitude of 3000 m. The increase in temperature and precipitation in spring may be an important reason for this phenomenon, because the results suggest that the rate of air warming and precipitation at geohazard sites increased gradually. Based on the observation of the spatial location, altitude and temperature growth rate of slope geohazards, it is noted that new geohazard clusters (NGCs) appear in the study area, and there is still a possibility of migration under the future climate conditions. Based on future climate forecast data, we estimate that the low-, moderate- and high-sensitivity areas of the QTP will be mainly south of 30° N in 2030, will extend to the south of 33° N in 2060 and will continue to expand to the south of 35° N in 2099; we also estimate that the proportion of high-sensitivity areas will increase from 10.93% in 2030 to 14.17% in 2060 and 17.48% in 2099.


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