基于GIS流域地貌形态特征分形与计算方法研究

¹ 西安理工大学水利电力学院,西安市金花南路5号,710048;² 黄土高原土壤侵蚀与旱地农业国家重点实验室,杨凌市西农路26号,712100;³ 长江流域水土保持监测中心站,武汉市惠济路63号,430010;⁴ 温州大学生命与环境科学学院,温州市高教园区,325027

基金项目: 国家自然科学基金资助项目(40301026);国家博士后科学基金资助项目(200333518)

详细信息

Research on Fractal Dimension and Its Calculation Method of Watershed Topographic Characteristics Based on GIS

¹ Faculty of Water Resources and Hydraulic Power,Xi'an University of Technology,5 South Jinhua Road,Xi'an 710048,China;² State Key Laboratory of Soil Erosion and Dryland Farming on the Loess Plateau,26 Xinong Road,Yangling 712100,China; ³ Monitoring Center Station of Changjiang Watershed Water and Soil Conservation,63 Huiji Road,Wuhan 430010,China ;⁴ College of Life and Environment Science,Wenzhou University,High Education Region,Wenzhou 325027,China

Funds: 国家自然科学基金资助项目(40301026);国家博士后科学基金资助项目(200333518)

摘要: 提出了基于GIS平台流域地貌特征分形信息维数的计算模型;探讨了地貌分形信息维数的计算方法,并采用Avenue语言开发了基于Arcview环境下流域地貌特征分形信息维数计算软件,并对长江流域弹子溪小流域地貌分形信息维数和数据无标度区进行了计算和深入分析。
- 分形 /
- 地貌形态特征 /
- 分形信息维数 /
- GIS
Abstract: In this paper,the theory which characterizes the topographic characterics of large watershed using fractal information dimension(FID) is firstly discussed,and the FID mathematic model for the large region based on GIS software platform is provided and established.Accordingly,the FID calculation method is discussed,and then the software to calculate FID values using avenue language based on Arcview system is programmed.
- fractal theory /
- topographic characterics /
- fractal information dimension /
- GIS