通过绿色和蓝色基础设施缓解城市热量:驱动因素,有效性和未来需求
Prashant Kumar1,2,3, Sisay E Debele1, Soheila Khalili1
1Global Centre for Clean Air Research (GCARE), School of Sustainability, Civil and Environmental Engineering, Faculty of Engineering and Physical Sciences, University of Surrey, Guildford GU2 7XH, UK.
Innovation (Cambridge (Mass.))
|March 5, 2024
概括
城市绿蓝灰色基础设施 (GBGI) 有效地冷却城市,但对许多类型的研究是有限的. 本综述综合了证据,以指导未来的城市规划,以减轻热量和弹性.
科学领域:
- 城市气候学 城市气候学
- 环境规划 环境规划
- 适应气候变化 适应气候变化
背景情况:
- 城市化和全球变暖加剧了城市过热和极端高温事件.
- 绿色-蓝色-灰色基础设施 (GBGI) 为城市冷却提供了潜力.
- 现有的审查缺乏关于GBGI冷却效益和实施指导的全面,量化数据.
研究的目的:
- 系统地审查和综合关于GBGI.GI的减热能力的证据.
- 确定知识差距,并为GBGI的实施提供实际建议.
- 为政策制定者和城市规划者提供有效的热风险降低信息.
主要方法:
- 对27,486篇论文进行系统的文献审查,其中202篇被选择进行分析.
- 51种GBGI类型的分类,分为10个主要分类.
- 分析量化的冷却效益,并考虑未来气候变化影响.
主要成果:
- 植物园 (5.0°C),湿地 (4.9°C),绿墙 (4.1°C),街道树木 (3.8°C) 和植被阳台 (3.8°C) 显示了最高的冷却效率.
- 某些GBGI类型 (如绿色墙壁,公园,街道树木) 得到了充分的研究,而其他类型 (如动物园,高尔夫球场) 却得到了很少的关注.
- 预计的气候变化 (RCP8.5,2070-2100) 可能会降低当前GBGI战略的未来效率.
结论:
- 需要对GBGI减热的全面清单,平衡冷却性能与其他辅助效益.
- 政策制定者和规划者可以利用这些证据来优先考虑干预措施并增强城市的性.
- 对于研究不足的GBGI类型及其在气候变化下的长期有效性,进一步的研究至关重要.
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