Arid
DOI10.1117/12.487568
Grassland desertification monitoring in the upper reach of the Yellow River, northeast Qinghai-Xizang Plateau by remote sensing and GIS
Zeng, YN; Feng, ZD; Cao, GC; Wang, WG
通讯作者Zeng, YN
会议名称International Conference on Ecosystems Dynamics, Ecosystem-Society Interactions, and Remote Sensing Applications for Semi-Arid and Arid Land
会议日期OCT 24-27, 2002
会议地点HANGZHOU, PEOPLES R CHINA
英文摘要

The detailed land use/cover classification using remotely sensed data are the best means of delineating the surface changes for sandy desertification monitoring. The analysis of land use/cover with ancillary in GIS and in situ fieldwork shows that the land use/cover type can be used as indicators of sandy desertification severity effectively.


Based on the analysis of the multi-temporal and multi-spectral Landsat TM data with ancillary data in GIS, sandy desertification of grassland was detected in 1987 and 1996. The results indicate that Gonghe Basin is one of the most desertified regions in the upper reach of the Yellow River, northeast Qinghai-Xizang Plateau. Among the sandy desertified lands, the severe and moderate sandy desertified lands are easy to expand, as well as to reverse. Therefore, these kinds of sandy desertified land will be the main conservancy areas in the future. It is necessary and urgent to combat desertification and protect environment in the upper reach of the Yellow River.


英文关键词sandy desertification grassland remote sensing and GIS upper reach of the Yellow River northeast Qinghai-Xizang plateau
来源出版物ECOSYSTEMS DYNAMICS, ECOSYSTEM-SOCIETY INTERACTIONS, AND REMOTE SENSING APPLICATIONS FOR SEMI-ARID AND ARID LAND, PTS 1 AND 2
ISSN0277-786X
出版年2003
卷号4890
页码769-779
ISBN0-8194-4676-9
出版者SPIE-INT SOC OPTICAL ENGINEERING
类型Proceedings Paper
语种英语
国家Peoples R China
收录类别CPCI-S
WOS记录号WOS:000184693700089
WOS关键词RANGE DEGRADATION
WOS类目Ecology ; Environmental Sciences ; Remote Sensing
WOS研究方向Environmental Sciences & Ecology ; Remote Sensing
资源类型会议论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/294275
作者单位(1)Lanzhou Univ, Natl Lab Western Chinas Environm Syst, Lanzhou 730000, Peoples R China
推荐引用方式
GB/T 7714
Zeng, YN,Feng, ZD,Cao, GC,et al. Grassland desertification monitoring in the upper reach of the Yellow River, northeast Qinghai-Xizang Plateau by remote sensing and GIS[C]:SPIE-INT SOC OPTICAL ENGINEERING,2003:769-779.
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