干旱区生态环境知识资源中心(Arid): A remote sensing monitoring method for alpine grasslands desertification in the eastern Qinghai-Tibetan Plateau

Arid

	A remote sensing monitoring method for alpine grasslands desertification in the eastern Qinghai-Tibetan Plateau
	Kuang Qian; Yuan Quanzhi; Han Jichong; Leng Rong; Wang Yushuang; Zhu Kehong; Lin Shuo; Ren Ping
来源期刊	Journal of Mountain Science
ISSN	1672-6316
出版年	2020
卷号	17 期号:6 页码:1423-1437
英文摘要	Alpine grassland is the typical vegetation in the eastern Qinghai-Tibetan Plateau,which has important ecological service functions,and also supports the development of alpine stock farming.In recent years,under both the natural and human disturbance,alpine grasslands in this area have appeared to different degrees of desertification.A diagnosis of the desertification degree serves as the basis for grassland ecological restoration.This study constructs a comprehensive index based on remote sensing called alpine grassland desertification index (AGDI) to monitor the areas and degree of desertification.The most relevant indicators of desertification,namely,vegetation fraction,aboveground biomass,soil moisture,and land surface temperature,were selected to establish AGDI.The geographical detector is used to reselect and assess these indicators.The results show that the overall verification accuracy of AGDI is 82.05%.In particular,the accuracy of identifying severe desertification is the highest.Our study confirms that the desertification of alpine grasslands in the eastern Qinghai-Tibetan Plateau is characterized by fragmentation.Thus,Landsat-8 OLI data with a spatial resolution of 30 m is more suitable than MODIS data for alpine grasslands desertification monitoring.The research results can provide a methodological reference for monitoring desertification of alpine grasslands and other grassland regions in the world.
英文关键词	Desertification monitoring Alpine grassland desertification index (AGDI) Geographical detector Zoige county
类型	Article
语种	英语
收录类别	CSCD
WOS研究方向	Remote Sensing
CSCD记录号	CSCD:6733280
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/336291
作者单位	Kuang Qian, Sichuan Normal University;;Institute of Geography and Resources Science,Sichuan Normal University, Key Laboratory of Land Resources Evaluation and Monitoring in Southwest,Ministry of Education;;, Chengdu;;Chengdu, ;; 610068;;610068.; Yuan Quanzhi, Sichuan Normal University;;Institute of Geography and Resources Science,Sichuan Normal University, Key Laboratory of Land Resources Evaluation and Monitoring in Southwest,Ministry of Education;;, Chengdu;;Chengdu, ;; 610068;;610068.; Leng Rong, Sichuan Normal University;;Institute of Geography and Resources Science,Sichuan Normal University, Key Laboratory of Land Resources Evaluation and Monitoring in Southwest,Ministry of Education;;, Chengdu;;Chengdu, ;; 610068;;610068.; Wang Yushuang, Sichuan Normal University;;Institute of Geography and Resources Science,Sichuan Normal University, Key Laboratory of Land Resources Evaluation and Monitoring in Southwest,Ministry of Education;;, Chengdu;;Chengdu, ;; 610068;;610068.; Ren Ping, Sichuan Normal Univers...
推荐引用方式 GB/T 7714	Kuang Qian,Yuan Quanzhi,Han Jichong,et al. A remote sensing monitoring method for alpine grasslands desertification in the eastern Qinghai-Tibetan Plateau[J],2020,17(6):1423-1437.
APA	Kuang Qian.,Yuan Quanzhi.,Han Jichong.,Leng Rong.,Wang Yushuang.,...&Ren Ping.(2020).A remote sensing monitoring method for alpine grasslands desertification in the eastern Qinghai-Tibetan Plateau.Journal of Mountain Science,17(6),1423-1437.
MLA	Kuang Qian,et al."A remote sensing monitoring method for alpine grasslands desertification in the eastern Qinghai-Tibetan Plateau".Journal of Mountain Science 17.6(2020):1423-1437.