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兰州大学机构库  > 草地农业科技学院  > 会议论文
题名: THE VERTIFICATION OF CLIMATE DROUGHT DYNAMIC MONITORING IN ALPINE MEADOW BASED ON STANDARDIZED PRECIPITATION INDEX AND GIS
作者: Zhao, XL; Li, WL; Zhao, YT; Xu, J; Guo, XL
收录类别: CPCI-S
出版日期: 2016
会议名称: 36th IEEE International Geoscience and Remote Sensing Symposium (IGARSS)
会议日期: JUL 10-15, 2016
会议地点: Beijing, PEOPLES R CHINA
英文摘要: By using monthly precipitation data and standardized precipitation index (SPI), combining the normalized difference vegetation index (NDVI) data and historical statistical data of drought area, the drought trend of Gannan region from 1965 to 2013 was analyzed. The results showed that: (1) from 1965 to 2013, the drought index in study area rose firstly (1965-1976) and leveled off (1977-1989), then decreased (1990-2001) and finally rose again (2000-2012). (2) SPI was closely related to NDVI, y=0.0298x(2) +0.062+0.7678, ( R-2 = 0.9034), y is the NDVI value of the pixel, x is the SPI value of the meteorological stations. (3) Compared with historical data, SPI6 could reveal the drought conditions in alpine meadows commendably. These results would provide effective theory and method which can support related research in the future study.
关键词: Alpine grassland ; Climate drought ; SPI
作者部门: [Zhao, Xinlai ; Li, Wenlong ; Zhao, Yuting] Lanzhou Univ, Coll Pastoral Agr Sci & Technol, Lanzhou 730000, Peoples R China ; [Li, Wenlong] Key Lab Grassland Agroecosyst, Lanzhou 730000, Peoples R China ; [Xu, Jing] Lanzhou Commercial Coll, Sch Agr & Forestry Econ & Management, Lanzhou 730020, Peoples R China ; [Guo, Xulin] Univ Saskatchewan, Dept Geog & Planning, Saskatoon, SK S7N 5C8, Canada
通讯作者: Zhao, XL (reprint author), Lanzhou Univ, Coll Pastoral Agr Sci & Technol, Lanzhou 730000, Peoples R China.
学科分类: Engineering; Geology; Remote Sensing
所属项目编号: Chinese NSF grants [31170430, 41471450] ; National Social Science Foundation of China [14CJY010] ; State Key Laboratory of Grassland Agro-ecosystems Open Projects Fund [SKLGAE201406] ; Program for Changjiang Scholars and Innovative Research Team in University [IRT13019]
所属项目名称: 国家自然科学基金项目 ; 国家社会科学基金青年项目 ; 长江学者和创新团队发展计划
项目资助者: NSFC ; NSSFC ; MOE
会议录: 2016 IEEE INTERNATIONAL GEOSCIENCE AND REMOTE SENSING SYMPOSIUM (IGARSS)
页码: 4226-4228
出版者: IEEE
出版地: NEW YORK
语种: 英语
ISSN号: 2153-6996
WOS记录号: WOS:000388114604059
IR记录号: WOS:000388114604059
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内容类型: 会议论文
URI标识: http://ir.lzu.edu.cn/handle/262010/189601
Appears in Collections:草地农业科技学院_会议论文

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Recommended Citation:
Zhao, XL,Li, WL,Zhao, YT,et al. THE VERTIFICATION OF CLIMATE DROUGHT DYNAMIC MONITORING IN ALPINE MEADOW BASED ON STANDARDIZED PRECIPITATION INDEX AND GIS[C]. 见:36th IEEE International Geoscience and Remote Sensing Symposium (IGARSS). Beijing, PEOPLES R CHINA. JUL 10-15, 2016.
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