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Global Geology 2009, 12(4) 221-225 DOI:
ISSN: 1673-9736 CN: 22-1371/P |
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Nonlinear morphologica l characteristics of debris flow in Dongcheng area of Helong, Jilin |
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WANG Qian1 , LI Guangjie1 , WANG Liancheng2 , ZHENG Baigong3 and LI Ming1 |
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1. College of Construction Engineering, Jilin University, Changchun 130026, China; 2. College of Geoexploration Science & Technology, Jilin University, Changchun 130026, China; 3. Jilin Team of Geological Survey of China Building Materials Industry, Changchun 130033, China |
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Abstract：
Helong City is located in the northeastern Changbai Mountain with a poor geological environment, there often occur debris flows, collapses and landslides; especially debris flows restrict the local economic development. Based on fractal theory and the surveying data of 34 debris flows, the authors studied fractal feature of debris flow gully and its various situations of fractal dimensions in different observation scales. The nonlinear relation reveals the development of non-uniformity and self similarity of debris flow gully. |
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Keywords：
debris flow
nonlinear
fractal theory
self similarity
Helong
Jilin
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Received Revised Online: |
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