基于模糊聚类迭代模型的洪灾评估标准计算方法

廖力; 周雪芹; 邹强; 曾小凡; 周建中

doi:10.3969/j.issn.1001-5485.2015.02.008

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raybet体育在线院报 ›› 2015, Vol. 32 ›› Issue (2) : 34-38. DOI: 10.3969/j.issn.1001-5485.2015.02.008

防洪减灾

基于模糊聚类迭代模型的洪灾评估标准计算方法

廖力^1a,周雪芹^1b,邹强²,曾小凡³,周建中³

作者信息 +

Calculation Method for Flood Disaster Assessment Standards Based on Fuzzy Clustering Iterative Model

LIAO Li¹,ZHOU Xue-qin²,ZOU Qiang³,ZENG Xiao-fan⁴,ZHOU Jian-zhong⁴

Author information +

文章历史 +

摘要

对于洪灾评估工作来说,制定一个具有普适性的洪灾等级评估标准是很重要的,而目前缺少一个被公开认可的标准制定方案。在模糊聚类迭代模型的基础上,提出了一种不受时空分布影响的洪灾评估标准计算方法。在求解目标函数时,采用混沌文化进化算法进行了优化。以四川省1976—2006年洪灾样本为例,计算出了四川省洪灾的标准化等级评估标准,并进行了验证。分析表明:该标准是合理有效并符合洪灾分布特点的,可以作为其它模型的评估标准。采用相对值标准,不受时空分布不同的影响,可以用于所有具有同一范围级别和较完备历史灾情数据的洪灾评估标准工作。

Abstract

It is important to have a universal standard when assessing the scale of a flood disaster, despite such a widely accepted standard does not currently exist. On the basis of fuzzy clustering iterative model, we proposed a calculation method for disaster standard independent of the time and location of the disaster. A piecewise linear chaotic map based culture differential evolution algorithm was used to optimize the objective function. We verified the efficiency and accuracy of this method by applying it to the data of flood happened in Sichuan province during 1976-2006. The results are reasonable and consistent with the distribution of the flood disaster according to the assessing standard currently used by the Sichuan province. This method can also be applied to the flood disaster assessment in most cases which have complete data.

导出引用

廖力,周雪芹,邹强,曾小凡,周建中. 基于模糊聚类迭代模型的洪灾评估标准计算方法[J]. raybet体育在线院报. 2015, 32(2): 34-38 https://doi.org/10.3969/j.issn.1001-5485.2015.02.008

LIAO Li,ZHOU Xue-qin,ZOU Qiang,ZENG Xiao-fan,ZHOU Jian-zhong. Calculation Method for Flood Disaster Assessment Standards Based on Fuzzy Clustering Iterative Model[J]. Journal of Changjiang River Scientific Research Institute. 2015, 32(2): 34-38 https://doi.org/10.3969/j.issn.1001-5485.2015.02.008

中图分类号： P333.2

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