GSTDTAP  > 资源环境科学
DOI10.1016/j.landurbplan.2018.10.021
Street tree stormwater control measures can reduce runoff but may not benefit established trees
Szota, Christopher1; Coutts, Andrew M.2; Thom, Jasmine K.1; Virahsawmy, Harry K.1; Fletcher, Tim D.1; Livesley, Stephen J.1
2019-02-01
发表期刊LANDSCAPE AND URBAN PLANNING
ISSN0169-2046
EISSN1872-6062
出版年2019
卷号182页码:144-155
文章类型Article
语种英语
国家Australia
英文摘要

Directing stormwater runoff to irrigate urban trees has the potential to simultaneously: (i) reduce the volume of runoff generated by impervious surfaces and (ii) reduce tree drought stress and increase growth. Many papers promote this concept, but few have quantified both potential benefits. In this study, we quantified both the runoff retention performance of infiltration trenches retrofitted alongside established street trees and tree drought stress and growth. We compared retention for different soil types, tree phenological types and inlet designs over a period of 18 months. Retention was low on average (18.3%) but was highly variable among infiltration trenches (5.2-43.7%), driven by variation in inlet capacity due to blockages, as well as the flow velocity of runoff leading to the inlet. With appropriately designed inlets, street tree stormwater control measures have significant potential to retain runoff. We observed no clear reduction in tree drought stress or increase in tree growth. This suggests that the established trees in our study already had access to adequate soil water within their rooting volumes, supplemented by nearby irrigated private gardens, or leaky water infrastructure. We suggest that i) mature trees surrounded by greater impervious surface area, ii) newly planted trees, or iii) trees growing in hotter, drier climates, may respond more positively to similar passive irrigation systems. The evolving practice of passive irrigation of street trees with stormwater requires innovative design to maximise runoff capture efficiency under typical sediment and debris loads.


英文关键词Urban water cycle Retrofit Runoff retention Street tree Maintenance
领域资源环境
收录类别SCI-E ; SSCI
WOS记录号WOS:000453643000014
WOS关键词SENSITIVE URBAN DESIGN ; EXTREME DROUGHT ; WATER ; PERFORMANCE ; MANAGEMENT ; INFILTRATION ; BIORETENTION ; FLOW ; SOIL ; URBANIZATION
WOS类目Ecology ; Environmental Studies ; Geography ; Geography, Physical ; Regional & Urban Planning ; Urban Studies
WOS研究方向Environmental Sciences & Ecology ; Geography ; Physical Geography ; Public Administration ; Urban Studies
引用统计
文献类型期刊论文
条目标识符http://119.78.100.173/C666/handle/2XK7JSWQ/25286
专题资源环境科学
作者单位1.Univ Melbourne, Sch Ecosyst & Forest Sci, 500 Yarra Blvd, Richmond, Vic 3121, Australia;
2.Monash Univ, Sch Earth Atmosphere & Environm, Clayton, Vic, Australia
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GB/T 7714
Szota, Christopher,Coutts, Andrew M.,Thom, Jasmine K.,et al. Street tree stormwater control measures can reduce runoff but may not benefit established trees[J]. LANDSCAPE AND URBAN PLANNING,2019,182:144-155.
APA Szota, Christopher,Coutts, Andrew M.,Thom, Jasmine K.,Virahsawmy, Harry K.,Fletcher, Tim D.,&Livesley, Stephen J..(2019).Street tree stormwater control measures can reduce runoff but may not benefit established trees.LANDSCAPE AND URBAN PLANNING,182,144-155.
MLA Szota, Christopher,et al."Street tree stormwater control measures can reduce runoff but may not benefit established trees".LANDSCAPE AND URBAN PLANNING 182(2019):144-155.
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