道路关键性评估,以改善洪水期间的通勤情况
Huiting Chen1, Hongxin Zhang1, Sung-Gheel Jang2
1School of Resource and Environmental Sciences, Wuhan University, Wuhan, 430079, China.
Journal of environmental management
|November 22, 2023
概括
在洪水期间确定关键道路对于运输规划至关重要. 这项研究表明,道路的关键性与水的接近,地形和通勤需求有关,有助于风险管理.
科学领域:
- 环境科学 环境科学
- 运输工程 运输工程
- 城市规划 城市规划
背景情况:
- 道路洪水造成了严重的通勤中断,包括更长的旅行时间和不动.
- 现有的关于大雨洪水下的道路关键性的研究往往忽视了对交通流量的量化影响.
- 有效的运输规划要求在各种洪水场景下确定关键道路,以减轻风险.
研究的目的:
- 评估道路连接在不同暴雨洪水场景 (10,30年和50年洪水) 下的关键性.
- 整合雨水洪水建模与通勤模拟进行全面分析.
- 为优先考虑交通基础设施干预提供证据.
主要方法:
- 开发了一个集成的框架,将雨水洪水建模与通勤模拟相结合.
- 使用洪水建模的输出重建了道路网络.
- 模拟的通勤路线在商业常规和三个不同的洪水场景下.
主要成果:
- 洪水返回时间的增加导致了交通流的分布更加不均.
- 道路的关键性与靠近水体,低地形和高区域通勤需求密切相关.
- 确定了高度易受洪水影响的特定道路段.
结论:
- 这项研究增强了对洪水期间运输系统弹性的理解.
- 调查结果为设计有效的应急响应,风险管理和城市规划策略提供了关键的见解.
- 优先考虑脆弱地区的基础设施改善,可以最大限度地减少与洪水有关的干扰.
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