Arid
DOI10.1016/j.jhydrol.2016.08.055
Retention performance of green roofs in three different climate regions
Sims, Andrew W.1,2; Robinson, Clare E.1; Smart, Charles C.3; Voogt, James A.3; Hay, Geoffrey J.4; Lundholm, Jeremey T.5; Powers, Brandon1; O’Carroll, Denis M.1
通讯作者O’Carroll, Denis M.
来源期刊JOURNAL OF HYDROLOGY
ISSN0022-1694
EISSN1879-2707
出版年2016
卷号542页码:115-124
英文摘要

Green roofs are becoming increasingly popular for moderating stormwater runoff in urban areas. This study investigated the impact different climates have on the retention performance of identical green roofs installed in London Ontario (humid continental), Calgary Alberta (semi-arid, continental), and Halifax Nova Scotia (humid, maritime). Drier climates were found to have greater percent cumulative stormwater retention with Calgary (67%) having significantly better percent retention than both London (48%) and Halifax (34%). However, over the same study period the green roof in London retained the greatest depth of stormwater (598 mm), followed by the green roof in Halifax (471 mm) and then Calgary (411 mm). The impact of climate was largest for medium sized storms where the antecedent moisture condition (AMC) at the beginning of a rainfall event governs retention performance. Importantly AMC was a very good predictor of stormwater retention, with similar retention at all three sites for a given AMC, emphasizing that AMC is a relevant indicator of retention performance in any climate. For large rainfall events (i.e., >45 mm) green roof average retention ranged between 16% and 29% in all cities. Overall, drier climates have superior retention due to lower AMC in the media. However, moderate and wet climates still provide substantial total volume reduction benefits. (C) 2016 Elsevier B.V. All rights reserved.


英文关键词Green roof Stormwater management Retention Runoff
类型Article
语种英语
国家Canada
收录类别SCI-E
WOS记录号WOS:000388248400008
WOS关键词RUNOFF ; MITIGATION ; SURFACE ; SLOPE
WOS类目Engineering, Civil ; Geosciences, Multidisciplinary ; Water Resources
WOS研究方向Engineering ; Geology ; Water Resources
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/194540
作者单位1.Univ Western Ontario, Dept Civil & Environm Engn, London, ON, Canada;
2.Savron Solut, 130 Stone Rd West, Guelph, ON N1G 5G3, Canada;
3.Univ Western Ontario, Dept Geog, London, ON, Canada;
4.Univ Calgary, Dept Geog, Calgary, AB, Canada;
5.St Marys Univ, Dept Biol, Halifax, NS, Canada
推荐引用方式
GB/T 7714
Sims, Andrew W.,Robinson, Clare E.,Smart, Charles C.,et al. Retention performance of green roofs in three different climate regions[J],2016,542:115-124.
APA Sims, Andrew W..,Robinson, Clare E..,Smart, Charles C..,Voogt, James A..,Hay, Geoffrey J..,...&O’Carroll, Denis M..(2016).Retention performance of green roofs in three different climate regions.JOURNAL OF HYDROLOGY,542,115-124.
MLA Sims, Andrew W.,et al."Retention performance of green roofs in three different climate regions".JOURNAL OF HYDROLOGY 542(2016):115-124.
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