垂直绿色系统 (VGS) 和现场存储用于雨水管理
Mojtaba Moravej1, Cassady Swinbourne2, Rebecca Hall2
1Australian Centre for Water and Environmental Biotechnology (formerly AWMC), The University of Queensland, St. Lucia, QLD 4067, Australia; School of Architecture, Design and Planning, The University of Queensland, St. Lucia, QLD 4067, Australia.
Water research
|April 13, 2025
概括
有现场储存的垂直绿色系统显著减少了城市的雨水排放量,减少了多达100%. 这些系统可以管理频繁的降雨,但需要仔细调整尺寸,以平衡灌用水需求.
科学领域:
- 环境工程 环境工程
- 城市水文学 城市水文学
- 可持续的水资源管理
背景情况:
- 城市密集化,气候变化和老化的基础设施挑战了传统的雨水管理.
- 创新解决方案对于高密度的城市环境至关重要,以减轻雨水排放.
研究的目的:
- 评估垂直绿色系统 (VGS) 与现场储存相结合的风水管理的有效性.
- 量化这些系统对澳大利亚不同气候的城市水循环的影响.
- 探索雨水减少和灌用水需求之间的权衡.
主要方法:
- 开发和应用城市水质量平衡模型.
- 在布里斯班,悉尼,墨尔本和珀斯的51年间模拟了440个场景.
- 分析不同墙面和存储尺寸的系统性能.
主要成果:
- VGS和现场储存实现了每年60-100%的雨水减少,高度依赖于气候和系统尺寸.
- 系统在管理频繁,低强度降雨事件方面表现出色 (在1.5年的ARI事件中减少了80%以上).
- 通过适当的系统尺寸 (例如,在极端干旱期间增加3%),可以通过适当的系统尺寸来管理灌的饮用水需求增加.
结论:
- 从垂直表面的蒸发透气是有效的,基于源的雨水管理的主要液压机制.
- 有现场储存的VGS为恢复城市水文和促进可持续城市化提供了可行的策略.
- 优化系统设计是最大限度地减少灌用水需求和最大限度地提高雨水效益的关键.
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