| 基于DEM量算耕地坡度的误差分析 |
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| 引用本文： | 周奎,陈楚.基于DEM量算耕地坡度的误差分析[J].测绘与空间地理信息,2007,30(3):60-63,67. |
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| 作者姓名： | 周奎 陈楚 |
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| 作者单位： | 天津市测绘院,天津,300381 |
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| 摘 要： | 坡度是最基本的地形因子之一。本文介绍了基于DEM的坡度计算方法,对坡度分级统计中的误差来源分类进行分析,并实验分析其DEM精度,以及各误差因素对坡度统计计算的影响。
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| 关 键 词： | 耕地坡度 地形坡度 准确率 数字地面模型 |
| 文章编号： | 1672-5867（2007）03-0060-04 |
| 收稿时间： | 2006-11-16 |
| 修稿时间： | 2006-11-16 |
Error Analysis for the Slope Calculation of Cultivable Land Based on DEM |
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| ZHOU Kui,CHEN Chu.Error Analysis for the Slope Calculation of Cultivable Land Based on DEM[J].Geomatics & Spatial Information Technology,2007,30(3):60-63,67. |
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| Authors: | ZHOU Kui CHEN Chu |
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| Institution: | Tianjin Institute of Surveying and Mapping, Tianjin 300381, China |
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| Abstract: | Slope is one of the most frequently used terrain parameters in Geo-science model.This paper introduces some calculating methods about slope based on Digital Elevation Model(DEM),and discusses the source of error.It also studies the accuracy of DEM and points out the effects of different error factor on slope statistics and calculation. |
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| Keywords: | slope of cultivable land slope of terrain accuracy digital elevation model |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ |
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