GIS-based Approach for Measuring the Fractal Box Dimension of Watershed Topography

CUI Ling-zhou; XIAO Xue-nian; LI Zhan-bin

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GIS-based Approach for Measuring the Fractal Box Dimension of Watershed Topography

- GIS-based Approach for Measuring the Fractal Box Dimension of Watershed Topography
- Bulletin of Soiland Water Conservation Vol. 23, Issue 2, Pages: 38-40(2004)
- 作者机构：
  
  1. 温州师范学院生命与环境科学学院,浙江,温州,325027
  2. 西安理工大学水利水电学院,陕西,西安,710048
  3. 南京大学城市与资源学系,江苏,南京,210093
  4. 西安理工大学水利水电学院,陕西,西安,710048
  5. 中国科学院水利部水土保持研究所,陕西杨凌,712100
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：2004
- 稿件说明：
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CUI Ling-zhou, XIAO Xue-nian, LI Zhan-bin. GIS-based Approach for Measuring the Fractal Box Dimension of Watershed Topography[J]. Bulletin of Soiland Water Conservation, 2004, 23(2): 38-40.
DOI：

CUI Ling-zhou, XIAO Xue-nian, LI Zhan-bin. GIS-based Approach for Measuring the Fractal Box Dimension of Watershed Topography[J]. Bulletin of Soiland Water Conservation, 2004, 23(2): 38-40. DOI：

摘要

流域地貌形态分形维数测定是目前地貌分形研究的薄弱环节

对于流域水土流失预报模型中地貌因子量化具有重要科学意义。依据分形盒维数测定原理

结合流域地貌的复杂三维立体特性

提出了以地形等高线为基本数据源

以GIS技术作为主要实现手段的流域地貌形态分形盒维数测定方法

编制出了相关测算程序

并以岔巴沟流域为例进行了实证研究。结果表明

该方法快速、准确、数据可靠

可实现不同尺度流域地貌形态分形盒维数的测定。

Abstract

The fractal dimension measure of watershed topography is the unsubstantial part of topography fractal study

and it is very important for the prediction model of soil and water loss in small watershed.Based on the principle of measuring the fractal box dimension and the character of watershed topography

the approach for measuring the fractal dimension of watershed topography is put forward by the technique of GIS

whose data is from contour line. We operated demonstration research by taking Chabagou watershed as an example.The results show that this approach is fast

exact

credible and can get the fractal box dimension of watershed topography of different scope.

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