Fuzzy Evaluation of Flood Risk Rating in Laoshan District Based on GIS

JIAO Junchao; MA Anqing; LI Fujian

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Fuzzy Evaluation of Flood Risk Rating in Laoshan District Based on GIS

- Fuzzy Evaluation of Flood Risk Rating in Laoshan District Based on GIS
- Bulletin of Soiland Water Conservation Vol. 29, Issue 5, Pages: 161-164(2010)
- 作者机构：
  
  1. 中国海洋大学海洋环境与生态教育部重点实验室,山东,青岛,266100
  2. 中国海洋大学环境科学与工程学院,山东,青岛,266100
- 作者简介：
- 基金信息：
- DOI：
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- Published：2010
- 稿件说明：
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JIAO Junchao, MA Anqing, LI Fujian. Fuzzy Evaluation of Flood Risk Rating in Laoshan District Based on GIS[J]. Bulletin of Soiland Water Conservation, 2010, 29(5): 161-164.
DOI：

JIAO Junchao, MA Anqing, LI Fujian. Fuzzy Evaluation of Flood Risk Rating in Laoshan District Based on GIS[J]. Bulletin of Soiland Water Conservation, 2010, 29(5): 161-164. DOI：

摘要

为减少洪水灾害造成的损失并做到提前防范

以青岛市崂山区为研究对象

运用模糊数学综合评判方法建立因子集、决断集、隶属函数和权重集

设计出评判模型

借助GIS空间分析方法并结合GIS组件开发出崂山区洪水灾害危险性分级评判系统。该分级评判系统根据输入数据自动生成崂山区洪水危险性分布图

共分为最安全、安全、一般、不安全、最不安全5个等级

评判出的危险性空间分布与实际调查结果吻合程度高

其中王哥庄街道为洪水危险等级最高的地区。研究结果表明

该方法具有应用性强

操作简便

效果良好的特点

并有在其它危险评判中推广应用的潜力。

Abstract

The purpose of the study was to reduce the losses caused by flood and to prevent them in advance

by taking Laoshan District

Qingdao City as an object.Based on GIS components and the spatial analysis of GIS

we designed an evaluation model to develop flood risk evaluation system for Laoshan District

using factor set

judgment set

membership function

and weight set established by the method of fuzzy comprehensive evaluation.The system can produce assessment results automatically after user enters data

which is classed into high grade

slightly high grade

medium grade

slightly low grade

and low grade.The results obtained by the rating system are most in common with the actual results.Especially

Wanggezhuang street is in the highest grade in the area.With good flexibility and performance

the method of the system can be popularized to general crisis evaluation judge.

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