相关实验视频
Updated: Jul 5, 2025

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Watershed Planning within a Quantitative Scenario Analysis Framework
Published on: July 24, 2016
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城市灌结构风险评估和加强城市灌结构风险评估和加强
1Faculty of Architecture, Civil and Transportation Engineering, Beijing University of Technology, Beijing, 100124, China.
Journal of environmental management
|January 24, 2024
概括
城市淹水量随着降雨强度的增加而增加,影响了连接和传播. 车载排水 (VDP) 有效地降低了水淹程度,减轻了风险,提高了城市的弹性.
科学领域:
- 城市水利学和排水工程
- 环境风险的地理空间分析
- 水资源管理 水资源管理
背景情况:
- 城市淹水问题越来越令人担忧,反映了现有排水系统的局限性和管理挑战.
- 了解浸水模式对于识别影响和传播风险至关重要.
- 空间指数对于量化水淹特征和评估缓解策略至关重要.
研究的目的:
- 在不同降雨回归周期下建模城市浸水的范围和深度.
- 用景观指数分析水浸的空间模式.
- 评估车载排水 (VDP) 在减轻水浸积方面的有效性.
主要方法:
- 构建一个城市浸水模型来模拟浸水场景.
- 景观指数的应用:斑点数 (NP),相关的环形圆 (圆),欧几里德式近邻距离 (ENN) 和交叉和并置指数 (IJI).
- 模拟VDP的部署,以评估它们对减少淹水的影响.
主要成果:
- 增加返回时间导致更大的浸水面积 (TA) 和更多的补丁 (NP),连接性减少 (ENN).
- VDPs显著减少了浸水面积 (在5年回归期内高达0.46平方公里) 和冲击范围 (5年减少1.92平方公里).
- VDP的部署改善了系统完整性,减少了交通中断 (在5年内清除了134条道路),并减轻了污染物传播风险.
结论:
- 城市淹水的严重程度和空间复杂性随着降雨回归周期的增加而增加.
- 视频开发计划有效地减轻了水淹,减少了其空间范围,连接性和整体影响.
- 这项研究为提高城市排水,弹性和应急响应能力提供了宝贵的见解.
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