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Application of 4D Technologyin Watershed Management
Authors
李壁成
闫慧敏
Publication date
1 January 1999
Publisher
Abstract
介绍了4D技术及其系列产品,研究了4D技术在流域管理中的广阔应用前景。4D被誉为“90年代水平的遥感与地理信息系统集成的技术”,它是当代遥感与GIS技术结合生成的数字化产品基本模式,包括DEM(数字方程模型)、DOQ(数字正射影像),DRG(数字栅格地图),DLG/DTI(数字专题图)。4D技术为流域管理提供了高精度、实时性强的数字化产品
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Institute of Soil and Water Conservation,Chinese Academy of Sciences and Ministry of Water Resources
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Last time updated on 21/09/2018