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Facets of Uncertainty in Digital Elevation and Slope Modeling
作者姓名:ZHANG  Jingxiong  LI  Deren
作者单位:[1]School of Remote Sensing and Information Engineering, Wuhan University, 129 Luoyu Road, Wuhan 430079,China. [2]不详, Wuhan University, 129 Luoyu Road, Wuhan 430079,China.
摘    要:IntroductionWith sophistication of information technologysuch as global positioning system and remotesensing,anincreasing quantity of digital terraindata is produced fromvarious sources ,contribu-tingto accurate mapping and dynamic monitoringof the natural and built landscapes1-3]. The val-ue of spatial information, however , dependsheavily on a good understanding and proper han-dling of uncertainty , which occurs due to the in-ability of any information systems to representthe real world as …

关 键 词:DEMs  数字高程模型  斜面模型  误差  测绘工作
文章编号:1009-5020(2005)03-163-08
收稿时间:2005-03-15

Facets of uncertainty in digital elevation and slope modeling
ZHANG Jingxiong LI Deren.Facets of Uncertainty in Digital Elevation and Slope Modeling[J].Geo-Spatial Information Science,2005,8(3):163-170.
Authors:Zhang Jingxiong  Li Deren
Institution:ZHANG Jingxiong LI Deren
Abstract:
Keywords:uncertainty  accuracy assessment  error surfaces  geostatistics  stochastic simulation  realizations  digital elevation models (DEMs)  slope
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