Knowledge Resource Center for Ecological Environment in Arid Area
DOI | 10.1117/12.487568 |
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 |
ISSN | 0277-786X |
出版年 | 2003 |
卷号 | 4890 |
页码 | 769-779 |
ISBN | 0-8194-4676-9 |
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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