[1]刘育成,赵廷宁.基于变点分析法提取废弃采石场地形起伏度的方法[J].水土保持研究,2016,23(03):269-273.
　LIU Yucheng,ZHAO Tingning.Method for Extraction of Relief Amplitude of Abandoned Quarry Based on Change Point Method[J].Research of Soil and Water Conservation,2016,23(03):269-273.
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基于变点分析法提取废弃采石场地形起伏度的方法

《水土保持研究》[ISSN:1005-3409/CN:61-1272/P] 卷: 23 期数: 2016年03期 页码: 269-273 栏目: 出版日期: 2016-06-28
Title:
Method for Extraction of Relief Amplitude of Abandoned Quarry Based on Change Point Method
作者:
刘育成1, 赵廷宁2
1. 大连工业大学, 辽宁 大连 116034;
2. 北京林业大学 水土保持与荒漠化防治教育部重点实验室, 北京 100083
Author(s):
LIU Yucheng1, ZHAO Tingning2
1. Dalian Polytechnic University, Dalian, Liaoning 116034, China;
2. Key Lab of Soil and Water Conservation and Desertification Combating of Ministry of Education, College of Soil and Water Conservation, Beijing Forestry University, Beijing 100083, China
关键词:
废弃采石场; DEM; 地形起伏度; 最佳统计单元
Keywords:
abandoned quarry; DEM; relief amplitude; optimum statistical unit
分类号:
TD88
摘要:
地形起伏度是废弃采石场水土保持治理和生态重建的重要地形指标之一。以0.5 m，0.7 m，1 m，1.5 m等12种不同水平分辨率DEM为数据源，采用GIS的窗口递增分析法和均值变点分析法对12种不同分辨率DEM的地形起伏度的最佳分析窗口进行了分析。结果表明：12种不同分辨率的最佳分析窗口都是为9×9网格，相应地提取地形起伏度的最佳统计面积与其相应的水平分辨率关系比较密切，呈幂函数的关系。以0.5 m水平分辨率的DEM数据提取地形起伏度的最佳分析窗口面积为20.25 m2，并计算出大于5 m地形起伏度的区域占总面积的13.12%。均值变点分析法确定地形起伏度也同样适用于废弃采石场的地形分析。
Abstract:
The relief amplitude of abandoned quarry is one of the important terrain indexes of soil and water conservation management and ecological restoration in mining area. Twelve different levels of DEMs such as 0.5 m, 0.7 m, 1.0 m, 1.5 m and so on, were taken as the data sources. GIS’s grid window increment analysis method and change point method were used for the analysis of the twelve different levels of DEMs to extract relief amplitude. The results showed that the optimum statistical unit was 9×9 grid. The relationship between the optimum statistical unit area of the relief amplitude and the corresponding resolution was relatively close, which could be described by a power function. The optimum statistical unit area of 0.5 m DEM relief amplitude was 20.25 m2. The relief amplitude greater than 5 m accounted for 13.12% of the total area. The change point method was used to determine the optimum statistical unit of the relief amplitude, which is also applicable to the terrain analysis of the abandoned quarry.

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备注/Memo

收稿日期:2015-10-30;改回日期:2015-11-18。
基金项目:林业公益性行业科研专项“建设工程损毁林地植被修复关键技术研究与示范”（200904030）；大连工业大学青年基金（QNJJ-201423）
作者简介:刘育成(1975-),男,陕西省扶风人,硕士,讲师,研究方向为环境设计及数字化景观研究。E-mail:dllyc@qq.com
通讯作者:赵廷宁(1964-),男,河北省阳原人,博士生导师,教授,主要从事水土保持与工程绿化研究。E-mail:zhtning@bjfu.edu.cn

更新日期/Last Update: 1900-01-01