Arid
The Relationship between Normalized Difference Vegetation Index (NDVI) and Climate Factors in the Semi-arid Region: A Case Study in Yalu Tsangpo River Basin of Qinghai-Tibet Plateau
Guo Bing; Zhou Yi; Wang Shixin; Tao Heping
来源期刊Journal of Mountain Science
ISSN1672-6316
出版年2014
卷号11期号:4页码:926-940
英文摘要The Yalu Tsangpo River basin is a typical semi-arid and cold region in the Qinghai-Tibet Plateau, where significant climate change has been detected in the past decades. The objective of this paper is to demonstrate how the regional vegetation, especially the typical plant types, responds to the climate changes. In this study, the model of gravity center has been firstly introduced to analyze the spatial-temporal relationship between NDVI and climate factors considering the time-lag effect. The results show that the vegetation grown has been positively influenced by the rainfall and precipitation both in moving tracks of gravity center and time-lag effect especially for the growing season during the past thirteen years. The herbs and shrubs are inclined to be influenced by the change of rainfall and temperature, which is indicated by larger positive correlation coefficients at the 0.05 confidence level and shorter lagging time. For the soil moisture, the significantly negative relationship of NDV-PDI indicates that the growth and productivity of the vegetation are closely related to the short-term soil water, with the correlation coefficients reaching the maximum value of 0.81 at Lag 0-1. Among the typical vegetation types of plateau, the shrubs of low mountain, steppe and meadow are more sensitive to the change of soil moisture with coefficients of -0.95, -0.93, -0.92, respectively. These findings reveal that the spatial and temporal heterogeneity between NDVI and climatic factors are of great ecological significance and practical value for the protection of eco-environment in Qinghai-Tibet Plateau.
英文关键词Climate change Gravity center Correlation coefficients Vegetation productivity Time-lag effect
类型Article
语种英语
收录类别CSCD
WOS研究方向Science & Technology - Other Topics
CSCD记录号CSCD:5196265
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/335388
作者单位Guo Bing, Institute of Remote Sensing and Digital Earth, Chinese Academy of Sciences, Beijing 100101, China.; Zhou Yi, Institute of Remote Sensing and Digital Earth, Chinese Academy of Sciences, Beijing 100101, China.; Wang Shixin, Institute of Remote Sensing and Digital Earth, Chinese Academy of Sciences, Beijing 100101, China.; Tao Heping, Institute of Mountain Hazards and Environment, Chinese Academy of Sciences, Chengdu, Sichuan 610041, China.
推荐引用方式
GB/T 7714
Guo Bing,Zhou Yi,Wang Shixin,et al. The Relationship between Normalized Difference Vegetation Index (NDVI) and Climate Factors in the Semi-arid Region: A Case Study in Yalu Tsangpo River Basin of Qinghai-Tibet Plateau[J],2014,11(4):926-940.
APA Guo Bing,Zhou Yi,Wang Shixin,&Tao Heping.(2014).The Relationship between Normalized Difference Vegetation Index (NDVI) and Climate Factors in the Semi-arid Region: A Case Study in Yalu Tsangpo River Basin of Qinghai-Tibet Plateau.Journal of Mountain Science,11(4),926-940.
MLA Guo Bing,et al."The Relationship between Normalized Difference Vegetation Index (NDVI) and Climate Factors in the Semi-arid Region: A Case Study in Yalu Tsangpo River Basin of Qinghai-Tibet Plateau".Journal of Mountain Science 11.4(2014):926-940.
条目包含的文件
条目无相关文件。
个性服务
推荐该条目
保存到收藏夹
导出为Endnote文件
谷歌学术
谷歌学术中相似的文章
[Guo Bing]的文章
[Zhou Yi]的文章
[Wang Shixin]的文章
百度学术
百度学术中相似的文章
[Guo Bing]的文章
[Zhou Yi]的文章
[Wang Shixin]的文章
必应学术
必应学术中相似的文章
[Guo Bing]的文章
[Zhou Yi]的文章
[Wang Shixin]的文章
相关权益政策
暂无数据
收藏/分享

除非特别说明,本系统中所有内容都受版权保护,并保留所有权利。