孟加拉沿海地区风暴露地图:一个多标准决策分析
Md Saidul Islam Arif1, Ibnul Mahdi1, Md Adil Rafi1
1Department of Disaster Management & Resilience, Faculty of Arts and Social Sciences, Bangladesh University of Professionals, Dhaka-1216, Bangladesh.
Heliyon
|November 6, 2023
概括
孟加拉国 孟加拉国 孟加拉国 是一个
科学领域:
- 环境科学 环境科学
- 灾害管理 灾害管理
- 地理信息系统 (GIS) 是指地理信息系统.
背景情况:
- 孟加拉国的地理位置使其容易受到严重的自然灾害,特别是南部沿海地区的旋风.
- 沿海地区经常面临来自旋风,暴风雨和度入侵的威胁,需要进行详细的风险评估.
研究的目的:
- 为了量化孟加拉国南部沿海乌帕西拉塔尔塔利的风暴露.
- 确定最容易受到风影响的特定地区和社区.
主要方法:
- 使用地理信息系统 (GIS) 环境进行空间分析.
- 采用分析层次过程 (AHP) 方法,采用六个关键标准:海拔,斜率,接近水体,人口密度,旋风轨迹和土地使用/土地覆盖.
- 为Upazila生成个人标准地图和整体气旋暴露地图.
主要成果:
- 大约60%的研究区域被归类为非常高度暴露于旋风.
- 特定的工会 (Barabagi,Chhota Bagi,Karaibaria,Pancha Koralia) 和Rakhain社区表现出极大的脆弱性.
- 8032公的量化高暴露土地和178公的中度暴露土地.
结论:
- 该研究提供了塔塔利风暴露的全面定量评估.
- 调查结果可以为社区的气旋应对能力建设提供信息,并指导国家/国际减少灾害风险的政策.
- 结果经过先前的研究验证,强调了它们对政策制定的可靠性.
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