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The study of the spatio-temporal changes of drought in the Mongolian Plateau in 40 years based on TVDI
作者: Xiaoming, Cao(1) ; Yiming, Feng(1) ; Juanle, Wang(2) ; Gao, Zhiqiang(3,4) ; Ning, Jicai(3) ; Gao, Wei(4)
通讯作者: Gao, Zhiqiang
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
会议名称: Remote Sensing and Modeling of Ecosystems for Sustainability XI
会议主办者: The Society of Photo-Optical Instrumentation Engineers (SPIE)
会议日期: August 18, 2014 - August 20, 2014
会议地点: San Diego, CA, United states
会议录出版者: SPIE
会议录: Remote Sensing and Modeling of Ecosystems for Sustainability XI
出版日期: 2014
卷号: 9221
ISSN号: 0277-786X
ISBN号: 9781628412482
关键词: Remote sensing ; Aridification ; High Latitudes ; Mongolians ; Remote sensing data ; Spatio-temporal changes ; Ts-NDVI space ; TVDI ; Vegetation cover
英文摘要: 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
DOI: 10.1117/12.2059062
文章类型: 会议论文
收录类别: EI
语种: 英语
Citation statistics:
内容类型: 会议论文
URI标识: http://ir.yic.ac.cn/handle/133337/8831
Appears in Collections:海岸带信息集成与综合管理实验室_会议论文

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Recommended Citation:
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]. 见:Remote Sensing and Modeling of Ecosystems for Sustainability XI. San Diego, CA, United states. August 18, 2014 - August 20, 2014.
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