关于城市树木群体在堤突破洪水中的缓冲效应的实验研究
Shuyu Liu1, Xiaolei Zhang2, Zhiheng Xu1
1School of Water Conservancy, North China University of Water Resources and Electric Power, Zhengzhou, 450046, China.
Scientific reports
|October 10, 2023
概括
城市堤突破洪水是复杂的. 树群减少建筑物水位,提高雨水排水能力,为城市洪水管理和景观设计提供见解.
科学领域:
- 城市水文学 城市水文学
- 环境工程 环境工程
- 土木工程 土木工程是指土木工程.
背景情况:
- 城市街道上的堤防破裂洪水传播是复杂的,因为建筑物和树木.
- 城市基础设施对洪水动态和排水能力产生重大影响.
研究的目的:
- 为典型的城市街道建立一个通用的水槽模型,包括各种元素.
- 分析树群安排对洪水水位和排水能力的影响.
- 为了调查在堤防破裂洪水事件期间的水位波动和压力变化.
主要方法:
- 建立了一个城市街道的一般化水槽模型,包括建筑物,树木,人行道和排水系统.
- 测量了街区的水位和雨水排水网络的压力变化.
- 进行了不同树群安排的比较分析.
主要成果:
- 堤突破洪水会在建筑物和树群附近造成水跃升和薄薄的水层.
- 发现树木群可以显著降低建筑物和下游街道的水位.
- 雨水排水网络的排放能力在树木的存在下略有改善.
结论:
- 树群通过降低水位和加强排水,积极影响城市洪水减缓.
- 结果为数值洪水模拟提供了验证数据.
- 结果为城市洪水管理和景观设计策略提供了理论指导.
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