灾害熵-可拓综合评判理论在泥石流危险性评价中的应用

泥石流灾害危险性评价是山区地质灾害防治的一项重要基础工作。由于泥石流成灾因素繁多复杂,至今尚无系统完善的评价体系。泥石流在孕育过程中是一个非线性区的开放系统,处于一种自组织的非平衡状态之中。为了探索一个泥石流危险性评价的新方法,借助于信息熵的理论,将其与可拓学这一非线性理论相结合,建立了灾害熵-可拓综合评价模型。通过西藏隆孜县隆子区11条泥石流的实例验证,基于灾害熵-可拓综合评判理论模型可较为客观地对泥石流危险性等级进行评价。

Application of Entropy-extension Comprehensive Evaluation Theory in the Debris Flow Risk Assessment

The risk assessment of the debris flow is one of the important foundational work for preventiing the geological disasters in mountain areas.Because of the complex factors of debris flow disaster,there isn't systematic and comprehensive assessment system presently.Debris is a non-linear open system in the preparation process,being in the self-organized and non-equilibrium state.In order to explore a new method of the debris flow risk assessment,by means of information entropy theory,it was combined with the non-linear theory of extenics to establish the disaster entropy-extension comprehensive evaluation model.Through the example verification on 11 debris flows in Longzi District,Longmei County of Tibet,the risk levels of debris flow could be evaluated more objectively based on entropy-extension comprehensive evaluation theory model.