CLUSTERING ANALYSIS OF DEBRIS-FLOW STREAMS

被引：0
|
作者：
Yuan-Fan TSAI
Huai-Kuang TSAI
Cheng-Yan KAO
机构：
[1] Assistant Professor of Dept. of Social Studies Education
[2] National Taipei Teachers College
[3] National Taiwan University
[4] Post doctoral fellow of Computer Science and Information Engineering
[5] Professor of Computer Science and Information Engineering
[6] Taipei 106
[7] Taiwan
来源：
International Journal of Sediment Research | 2004年 / 01期
关键词：
Debris flow; Genetic algorithm; hierarchical clustering; The Chi-Chi earthquake;
D O I：
暂无
中图分类号：
P642.2 [动力地质及工程地质作用];
学科分类号：
摘要：
The Chi-Chi earthquake in 1999 caused disastrous landslides, which triggered numerous debris flows and killed hundreds of people. A critical rainfall intensity line for each debris-flow stream is studied to prevent such a disaster. However, setting rainfall lines from incomplete data is difficult, so this study considered eight critical factors to group streams, such that streams within a cluster have similar rainfall lines. A genetic algorithm is applied to group 377 debris-flow streams selected from the center of an area affected by the Chi-Chi earthquake. These streams are grouped into seven clusters with different characteristics. The results reveal that the proposed method effectively groups debris-flow streams.
引用
收藏
页码：37 / 46
页数：10
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