Arid
DOI10.1038/s41467-022-28160-8
Global climate-driven trade-offs between the water retention and cooling benefits of urban greening
Cuthbert, M. O.; Rau, G. C.; Ekstrom, M.; O'Carroll, D. M.; Bates, A. J.
通讯作者Cuthbert, MO (corresponding author),Cardiff Univ, Sch Earth & Environm Sci, Cardiff, Wales. ; Cuthbert, MO (corresponding author),Univ New South Wales, Sch Civil & Environm Engn, Sydney, NSW, Australia.
来源期刊NATURE COMMUNICATIONS
EISSN2041-1723
出版年2022
卷号13期号:1
英文摘要Urban greening can potentially help mitigate heat-related mortality and flooding facing the >4 billion urban population worldwide. However, the geographical variation of the relative combined hydrological and thermal performance benefits of such interventions are unknown. Here we quantify globally, using a hydrological model, how climate-driven trade-offs exist between hydrological retention and cooling potential of urban greening such as green roofs and parks. Using a Budyko framework, we show that water retention generally increases with aridity in water-limited environments, while cooling potential favors energy-limited climates. Our models suggest that common urban greening strategies cannot yield high performance simultaneously for addressing both urban heat-island and urban flooding problems in most cities globally. Irrigation, if sustainable, may enhance cooling while maintaining retention performance in more arid locations. Increased precipitation variability with climate change may reduce performance of thinner green-infrastructure more quickly compared to greened areas with thicker soils and root systems. Our results provide a conceptual framework and first-order quantitative guide for urban development, renewal and policymaking. Urban greening can help to mitigate both heat as well as flooding risks, but how these effects interact is not well known. Here, the authors provide a global analysis and show that most cities benefit from one of these two effects, but only few from both.
类型Article
语种英语
开放获取类型Green Published, Green Submitted, Green Accepted, gold
收录类别SCI-E
WOS记录号WOS:000747407100011
WOS关键词HYDROLOGICAL PERFORMANCE ; VEGETATION CONTROL ; HEAT ISLANDS ; ROOF ; RUNOFF ; SCALE ; SURFACE ; FUTURE ; PRECIPITATION ; EVAPORATION
WOS类目Multidisciplinary Sciences
WOS研究方向Science & Technology - Other Topics
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/376512
作者单位[Cuthbert, M. O.; Ekstrom, M.] Cardiff Univ, Sch Earth & Environm Sci, Cardiff, Wales; [Cuthbert, M. O.; O'Carroll, D. M.] Univ New South Wales, Sch Civil & Environm Engn, Sydney, NSW, Australia; [Rau, G. C.] Karlsruhe Inst Technol, Inst Appl Geosci, Karlsruhe, Germany; [Bates, A. J.] Nottingham Trent Univ, Sch Anim Rural & Environm Sci, Nottingham, England
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GB/T 7714
Cuthbert, M. O.,Rau, G. C.,Ekstrom, M.,et al. Global climate-driven trade-offs between the water retention and cooling benefits of urban greening[J],2022,13(1).
APA Cuthbert, M. O.,Rau, G. C.,Ekstrom, M.,O'Carroll, D. M.,&Bates, A. J..(2022).Global climate-driven trade-offs between the water retention and cooling benefits of urban greening.NATURE COMMUNICATIONS,13(1).
MLA Cuthbert, M. O.,et al."Global climate-driven trade-offs between the water retention and cooling benefits of urban greening".NATURE COMMUNICATIONS 13.1(2022).
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