利用卫星遥感影像数据分析邛海湿地近50年的变迁

Using Satellite Remote Sensing Data for Analyzing the Historical Variation of Qionghai Wetland in the Past 50 Years

摘要: 为科学掌握西昌市邛海湿地历年来变迁情况,本研究利用卫星遥感和GIS技术,收集了从1966年到2013年的近50年间两个历史时期的地形图和5个历史时期的TM、SPOT、GOOGLE卫星遥感影像资料,科学和系统地反映了邛海从人工围湖造田到"三退三还"(退田还湖、退塘还湖、退房还湖)等湿地恢复工程的变迁情况,揭示了邛海湿地生态环境质量的演变轨迹。

Abstract: In this paper,scientific studies were made of the historical variations of Xichang Qionghai Wetland. Analysis was made of the ecological environment quality s' evolving track of the historical variations of reclaiming land from lake and restoration project of Qionghai Wetland by use of the topographic maps of two historical periods and TM,SPOT,GOOGLE remote sensing image data of five historical periods from 1966 to 2013 by means of the satellite remote sensing and geographic information system.