城市蓝色空间的水文成分如何影响热环境?
Barnali Saha1, Susmita Ghosh1, Manabendra Let1
1Department of Geography, University of Gour Banga, India.
Journal of environmental management
|April 28, 2024
概括
城市蓝色空间可以更有效地冷却城市,当它们的水文成分,如水深和持续时间,得到增强时. 保护和恢复这些水文特征是最佳热舒适度的关键.
科学领域:
- 环境科学 环境科学
- 城市规划 城市规划
- 水文学 水文学
背景情况:
- 关于城市蓝色空间的现有研究主要集中在它们的冷却物理存在上.
- 城市地区的热不适越来越令人担忧,需要创新的缓解策略.
- 具体的水文特征在增强蓝色空间的冷却效应中的作用仍未得到充分研究.
研究的目的:
- 研究城市蓝色空间水文成分对温度调节的影响.
- 评估水文特征,蓝色空间及其冷却效应之间的空间关联.
- 通过水文保护提供优化城市热管理的见解.
主要方法:
- 利用现场调查和建模来分析水文因素对城市冷却的影响.
- 评估了水文成分,蓝色空间特征和热环境之间的空间相关性.
- 进行了案例研究,以检查水文组件对周围空气温度的控制.
主要成果:
- 更大的水持久,更深的水和更高的水存在频率 (WPF) 显著增强了冷却效应.
- 在城市蓝色空间的水文丰富度和温度降低之间存在正相关性.
- 较大的湿地提供更好的温度适度;较小,碎片化的湿地与糟糕的水文是不那么有效.
结论:
- 有效的减轻热不适需要保护和恢复城市蓝色空间的水文丰富性,而不仅仅是它们的物理存在.
- 在较小的湿地和较大的湿地边缘改善水文丰富性,以及相互连接,可以最大限度地提高冷却效益.
- 将蓝色空间与绿色基础设施相结合,并管理周围的土地利用 (例如建筑高度) 对于放大冷却效应至关重要.
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