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The study of the spatio-temporal changes of drought in the Mongolian Plateau in 40 years based on TVDI
Xiaoming, Cao(1); Yiming, Feng(1); Juanle, Wang(2); Gao, Zhiqiang(3,4); Ning, Jicai(3); Gao, Wei(4); Gao, Zhiqiang
会议主办者The Society of Photo-Optical Instrumentation Engineers (SPIE)
2014
会议名称Remote Sensing and Modeling of Ecosystems for Sustainability XI
会议录名称Remote Sensing and Modeling of Ecosystems for Sustainability XI
卷号9221
会议日期August 18, 2014 - August 20, 2014
会议地点San Diego, CA, United states
ISSN号0277-786X
ISBN号9781628412482
出版者SPIE
产权排序(1) Institute of Desertification Studies, China Academy of Forestry, Beijing, China ; (2) Institute of Geographical Sciences and Natural Resources Research, State Key Laboratory of Resources and Environmental Information Systems, Chinese Academy of Sciences, Beijing, China ; (3) Yantai Institute of Coastal Zone Research, Chinese Academy of Sciences, Yantai, China ; (4) Natural Resource Ecology Laboratory, Center of Remote Sensing and Modeling for Agricultural Sustainability, Colorado State University, Fort Collins ; CO, United States
摘要This paper presents a new drought assessment method by modifying the NDVI-Ts space, which named NDVI-Ts general space. Based on this method, the general dry side and wet side equation were established for the period of 1981 and 2010 in the Mongolian Plateau. The results showed that: 1) the NDVI-Ts general space was more stable for monitoring drought than that for the single time Remote Sensing data; 2) TVDI was lower in the areas with high latitude, high vegetation cover, well-growing vegetation, which indicated higher soil moisture.3) The dry level area was the largest one, and the normal area was the second largest, the wet level area was the third, the extremely dry and extremely wet area was the least.4)The results showed that the fluctuated area mainly occurred in the normal level and the dry level, the extremely wet level, the wet level and extremely dry level basically remained unchanged. It may be explored that, the aridification became more serious in the 1981 - 2012, the area transformation mainly occurred between the normal level and dry level.
作者部门海岸带信息集成与综合管理实验室
关键词Remote Sensing Aridification High Latitudes Mongolians Remote Sensing Data Spatio-temporal Changes Ts-ndvi Space Tvdi Vegetation Cover
文章类型会议论文
DOI10.1117/12.2059062
收录类别EI
语种英语
引用统计
文献类型会议论文
条目标识符http://ir.yic.ac.cn/handle/133337/8831
专题海岸带信息集成与综合管理实验室
通讯作者Gao, Zhiqiang
推荐引用方式
GB/T 7714
Xiaoming, Cao,Yiming, Feng,Juanle, Wang,et al. The study of the spatio-temporal changes of drought in the Mongolian Plateau in 40 years based on TVDI[C]:SPIE,2014.
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