Gully InforMation Entropy along the Deda·-Bogexi of Sichuan--Tibet H ighway

doi:10.3969/j.issn.1674-0696.2011.supp1.044

Journal of Chongqing Jiaotong University(Natural Science) ›› 2011, Vol. 30 ›› Issue (S1): 686-690.DOI: 10.3969/j.issn.1674-0696.2011.supp1.044

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Gully InforMation Entropy along the Deda·-Bogexi of Sichuan--Tibet H ighway

ZHANG Qiang，CHEN Hong-kai

(Institute of Geotechnical Engineering，Chongqing Jiaotong University，Chongqing 400074，China

Received:2011-05-23 Revised:2011-06-23 Online:2011-07-15 Published:2015-03-12

川藏公路德达一波戈溪沿线沟谷信息熵的探讨

张强，陈洪凯

重庆交通大学岩土工程研究所，重庆40007

作者简介:张强(1985—)，男，河北唐山人，硕士研究生，主要从事工程地质安全与岩土减灾方面的研究。E-majl：yezhangqjang@yahoo.com

Abstract

Abstract: Gullies along the Deda-Bogexi of Sichuan-Tibet Highway are analyzed by using the information entropy theory． The results shoWthat 87．23％ of gullies are in the period of childhood and adolescent．which can easily occur debris floWin certain intensity storm．This method can be used to judge the growing period of gullies whose drainage area less than 2km and elevation less than 1 kMwith a certain degree of accuracy and objectivity．At the same time，it can prove that the evolu- lion process of landscape systeMdoesn’t have consistency in the same region by using information entropy．

Key words: information entropy, gully risk, debris floWgully, Sichuan-Tibet highway

摘要： 运用信息熵理论，对川I藏公路德达一波戈溪沿线沟谷进行分析。结果表明：该沿线87．23％的沟谷处于幼年和壮年期发育阶段，在一定的暴雨强度下易爆发泥石流；通过计算得到该方法对流域面积小于2km，高差低于1 km沟谷发育阶段的判断具有一定的准确性和客观性；同时，运用地貌信息熵理论也能客观的说明在一定区域内地貌系统的演化过程不具有一致性

关键词: 信息熵, 沟谷危险性, 泥石流沟, 川藏公路

CLC Number:

P642.23

ZHANG Qiang，CHEN Hong-kai. Gully InforMation Entropy along the Deda·-Bogexi of Sichuan--Tibet H ighway[J]. Journal of Chongqing Jiaotong University(Natural Science), 2011, 30(S1): 686-690.

张强，陈洪凯. 川藏公路德达一波戈溪沿线沟谷信息熵的探讨[J]. 重庆交通大学学报（自然科学版）, 2011, 30(S1): 686-690.

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Gully InforMation Entropy along the Deda·-Bogexi of Sichuan--Tibet H ighway

川藏公路德达一波戈溪沿线沟谷信息熵的探讨

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