Wetland Dynamic Monitoring in
详细信息
- 责任者：Cheng Yanpei (Institute of Hydrogeology and Environmental Geology ; CAGS ; Zhengding 050803 ; China) ; Zhang Fawang
- 刊名：Hydrogeology and Engineering Geology
- 出版年：2010
- 卷期：37(5)
- 关键词：遥感 ; remote sensing ; 湿地 ; wetlands ; 环境监测 ; environmental monitoring
- 页码：p.33-37
- 图表：3 illus., 1 table, 13 refs.
- 分类号：1800
- issnNo：ISSN1000-3665
- isbnNo：CN11-2202/P
摘要
Wetland dynamic monitoring is a hot issue in the study of natural resources and environmental change nowadays.In-time and accurate acquisition of information concerning wetland change is a powerful support for protection,use and successive development of wetland resources.Remote sensing technology can serve this purpose as a technological means because of its features of rapidity and cycle for wetland change monitoring.The study area of this paper is the region of central Asia.Combining the features of spectrum and time phase,three phrases of MODIS data are used to acquire the information of water distribution and change by the method of supervised classification and artificial interpretation.In addition,the change of salty lake,non-salty lake and water channel is made further analysis and evaluation from natural and artificial aspects respectively.
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