应用TOPSIS方法用于使用Excel和GIS绘制洪水易感性地图
Rajib Mitra1, Jayanta Das2, Md Kamruzzaman3
1Department of Geography and Applied Geography, University of North Bengal, PO- North Bengal University, Darjeeling 734013, India.
MethodsX
|July 7, 2023
概括
这项研究简化了顺序偏好技术通过类似于理想解决方案 (TOPSIS) 多标准决策 (MCDM) 方法. 增强的方法有助于客观的决策和洪水易感性映射.
科学领域:
- 决策科学 决策科学 决策科学
- 地理信息系统 (GIS) 是指地理信息系统.
- 环境科学 环境科学
背景情况:
- 多标准决策 (MCDM) 方法通过尽量减少人类偏见来提供客观的评估.
- 通过与理想解决方案相似的订单偏好技术 (TOPSIS) 是一个关键的MCDM方法.
- 评估洪水易感性需要强大的决策工具.
研究的目的:
- 提出一个简化的技术,以类似于理想解决方案 (TOPSIS) 的顺序偏好为多标准决策 (MCDM) 方法.
- 在决策中确定正面和负面的理想解决方案之间的差异.
- 开发一个脆弱地区的洪水易感性地图,使用集成的MCDM-GIS方法.
主要方法:
- 这项研究采用了简化的TOPSIS方法 (Hwang和Yoon,1981年).
- 根据专家意见和文献综述对标准进行了分类和加权.
- 为了空间分析,TOPSIS技术与地理信息系统 (GIS) 集成.
主要成果:
- 简化的TOPSIS方法有效量化了距离理想解决方案的距离.
- 与GIS的整合产生了一个可视洪水易感性地图.
- 该方法被证明是有效的,为专业人员节省时间.
结论:
- 简化的TOPSIS MCDM方法提供了一个透明和客观的决策框架.
- 将TOPSIS与GIS集成,可以有效地创建洪水易感性地图.
- 这种方法提高了环境风险评估的效率.
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