[1]倪化勇.泥石流流域地貌形态的统计分形[J].水土保持研究,2006,13(06):92-93.
　NI Hua-yong.Statistical Morphological Fractal Research on Debris Flow Drainage[J].Research of Soil and Water Conservation,2006,13(06):92-93.
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泥石流流域地貌形态的统计分形

《水土保持研究》[ISSN:1005-3409/CN:61-1272/P] 卷: 13 期数: 2006年06期 页码: 92-93 栏目: 出版日期: 1900-01-01
Title:
Statistical Morphological Fractal Research on Debris Flow Drainage
作者:
倪化勇
国土资源部成都地质矿产研究所, 成都, 610082
Author(s):
NI Hua-yong
Chengdu Institute of Geology and Mineral Resources, Ministry of Land and Resources, Chengdu 610082, China
关键词:
泥石流; 流域地貌; 分形; 分维
Keywords:
debris flow; morphology of debris flow drainage; fractal; fractal dimension
分类号:
P642.23
摘要:
流域面积、主沟长度和沟床比降等地形地貌要素，在泥石流的发育和形成中起重要作用，研究证明三者与泥石流沟分布之间存在非线性关系，具有明显的分形特征。回顾了泥石流流域地貌的分形研究，并通过大量的资料分析，对原来泥石流流域地貌的分维计算进行了改进，得到的分维结果更具有关联性。同时，建立了泥石流流域地貌的统计分形模型，对泥石流流域地貌分维的意义进行了详细论述。这为泥石流发育、形成和分布的非线性研究提供了一条定量化途径。
Abstract:
Topography and morphology play an important role in the forming and developing of debris flow.Current researches have proved that non-linear relationship existed between debris flow gully datum and morphological factors such as drainage area,mainstream length,bed gradient,and so on.According to fractal theory,these factors have evident fractal feature.Based on the review of morphological fractal research on debris flow drainage and the analysis of abundant debris flow information,calculating method of fractal dimension was improved and a new statistical morphological fractal model was established.By comparing the fractal dimension results (calculated by the improved method) of Jiangjiagou drainage and Xiangjiaba reservoir area to the old ones,a more associative relationship was found.In the end,the significance of fractal dimension and fractal feature of debris flow morphology was presented in detail.This research provides a qualifying method for the non-linear research on the forming,developing and distribution of debris flow.

参考文献/References:

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备注/Memo

收稿日期:2006-5-17。
作者简介:倪化勇（1979- ），男，山东临朐人，硕士，主要从事地质灾害的评价与管理、调查与防治的研究.

更新日期/Last Update: 1900-01-01