| DEM在土地整理项目方案设计中的应用 |
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| 引用本文： | 朱江洪. DEM在土地整理项目方案设计中的应用[J]. 国土资源科技管理, 2011, 28(2): 78-82,101. DOI: 10.3969/j.issn.1009-4210.2011.02.015 |
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| 作者姓名： | 朱江洪 |
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| 作者单位： | 中国地质大学(武汉)资源学院,武汉,430074 |
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| 摘 要： | 在土地平整的规划设计工作中,平整区域的选择受人为判断的影响较大,使得平整区域的大小和工程量不够客观。为此从工程实际应用出发,研究了利用土地整理测量数据生成的DEM特点,综合坡度信息,采用水文分析算法分析土地整理项目区域中自由水流的运动方向,为土地平整工作中合理划定平整范围,检查农田水利渠道布局提供新的思路,并利用已有项目资料验证了平整范围划分方法的可行性。
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| 关 键 词： | DEM 流向分析 土地平整 |
Application of DEM to Planning of Land Consolidation Project |
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| ZHU Jiang-hong. Application of DEM to Planning of Land Consolidation Project[J]. Scientific and Technological Management of Land and Resources, 2011, 28(2): 78-82,101. DOI: 10.3969/j.issn.1009-4210.2011.02.015 |
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| Authors: | ZHU Jiang-hong |
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| Affiliation: | ZHU Jiang-hong (College of Resources,China University of Geosciences,Wuhan 430074,China) |
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| Abstract: | Land leveling is an important part of land consolidation project,the planning of which is easily influenced by the judgment of the designer and consequently leads to less objective size and quantity of the leveling.For the purpose of practical engineering application,this paper discusses the characteristics of DEM based on the survey statistics of land consolidation, uses the flow-direction of the land-consolidation area to provide a new approach to deciding on a reasonable leveling zone and examining the layout of farmland irrigation channels and verifies the feasibility of the method for outlining the scope of land leveling. |
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| Keywords: | DEM flow-dircction land leveling |
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