绿色屋顶在高寒地区海绵化改造中的应用

编号 lyqk009928

中文标题 绿色屋顶在高寒地区海绵化改造中的应用

作者 刘洁灵  贾一非  王沛永 

作者单位 1. 北京林业大学园林学院 北京 100083;
2. 城乡生态环境北京实验室 北京 100083

期刊名称 中国城市林业 

年份 2022 

卷号 20

期号 3

栏目名称 研究论文 

中文摘要 由于严寒地区薄土层种植植物越冬困难等问题的限制,绿色屋顶在高海拔严寒地区鲜见使用。青海西宁市在海绵化改造过程中采用了绿色屋顶的形式,用以验证其对径流量控制、径流峰值削减以及不同厚度基质雨水的削减能力,为该地区绿色屋顶的实施提供案例借鉴和理论支撑。文章运用实际降雨监测值,通过建立SWMM模型对比海绵化改造前后模拟数据与排放口实测数据,并在50年一遇重现期降雨条件下调整模型屋顶基质厚度,进行排水口流量、总径流和峰值流量削减率的对比验证。结果显示: 1)绿色屋顶对降雨的总径流量、峰值径流量有一定的削减作用;2)改造后径流总量削减率达到83.92%,在80次有效降雨中零径流量的降雨事件从改造前的30次变为改造后的73次;3)当改变基质厚度时,总径流量削减率呈现显著增长趋势,相对于150 mm厚基质分别提高5.9%、20.8%、26.2%。由此可见,在建筑屋顶条件允许的状态下,提高绿色屋顶基质厚度能有效提高其对于雨水的蓄积能力,达到更好的改造效果。

关键词 低影响开发  屋顶绿化  高寒地区  监测分析  青海西宁市 

基金项目 北京市共建项目城乡生态环境北京实验室:节水型生态环境营造技术子课题(2015BLUREE01);中央高校建设世界一流大学(学科)和特色发展引导专项资金项目:风景园林学

英文标题 Application of Green Roof to Sponge City Reconstruction in Alpine Region

作者英文名 Liu Jieling, Jia Yifei, Wang Peiyong

单位英文名 1. School of Landscape Architecture, Beijing Forestry University, Beijing 100083, China;
2. Beijing Laboratory of Urban and Rural Ecological Environment, Beijing 100083, China

英文摘要 Limited by problems such as the difficulty of the plants growing in thin soil layer in alpine region to winter, green roofs are seldom to see at high altitudes where it is severe cold. Xining City adopts the green roof for sponge city reconstruction and verifies its effect on runoff control, rainwater runoff peak reduction and rainwater reduction ability of substrates with different thickness, so as to provide reference and theoretic support for the implementation of green roofing in alpine region. This paper uses the actual rainfall monitoring data and builds SWMM model to compare the simulated data and monitoring data at discharge outlets before and after the sponge city reconstruction. The thickness of the roof substrate is adjusted for the rainfall condition in a 50-year recurrence interval of flooding to compare and verify the data of the discharge flow, total runoff, and peak flow reduction rates. The results show: 1) The green roof can reduce the total runoff and peak runoff of rainfall to a certain extent; 2) After the reconstruction, the total runoff reduction rate reach 83.92%, and the number of rainfall events that generate zero runoff increase from 30 to 73; and 3) When the substrate thickness is changed, the total runoff reduction rate shows a significant increase. For the substrate 150 mm thick, the rate increases by 5.9%, 20.8% and 26.2%, [JP3]respectively. It is concluded that, where conditions permit, the increase in the thickness of green roof substrate can effectively improve its ability to accumulate rainwater and achieve better reconstruction effects.

英文关键词 low impact development;roof greening;alpine region;monitoring and analysis;Xining City, Qinghai Province

起始页码 127

截止页码 132

投稿时间 2020-03-31 00:00:00

作者简介 刘洁灵(1995-),女,硕士,研究方向为风景园林工程与技术。E-mail:jielingL123@126.com

通讯作者介绍 王沛永(1972-),男,副教授,博士,研究方向为风景园林工程与技术。E-mail:bfupywang@126.com

E-mail bfupywang@126.com

DOI 10.12169/zgcsly.2020.03.31.0004

参考文献 [1] 车生泉,谢长坤,陈丹,等.海绵城市理论与技术发展沿革及构建途径[J].中国园林,2015,31(6):11-15.
[2] 李霞,石宇亭,李国金.基于SWMM和低影响开发模式的老城区雨水控制模拟研究[J].给水排水,2015,51(5):152-156.
[3] 龙剑波,何强,司马卫平,等.城市规划与城市面源污染调控协同研究[J].中国给水排水,2013,29(14):21-24.
[4] 中华人民共和国住房和城乡建设部.海绵城市建设技术指南[M].北京:中国建筑工业出版社,2014.
[5] 李兰,李锋.海绵城市建设的关键科学问题与思考[J].生态学报,2018,38(7):2599-2606.
[6] BOULANGER B,NIKOLAIDIS N P.Mobility and aquatic toxicity of copper in an urban watershed[J].Journal of the American Water Resources Association,2003,39(2):325-336.
[7] DUNNETT N,NOLAN A.The effect of substrate depth and supplementary watering on the growth of nine herbaceous perennials in a semi-extensive green roof[J].International Conference on Urban Horticulture,2004,643(40):305-309.
[8] STOVIN V,VESUVIANO G,KASMIN H.The hydrological performance of a green roof test bed under UK climatic conditions[J].Journal of Hydrology,2012,414/415:148-161.
[9] RAZZAGHMANESH M,BEECHAM S.The hydrological behaviour of extensive and intensive green roofs in a dry climate[J].Science of the Total Environment,2014,499:284-296.
[10] 李俊生,尹海伟,孔繁花,等.绿色屋顶雨洪调控能力与效益评价[J].环境科学,2019,40(4):1803-1810.
[11] 陈小平,黄佩,周志翔,等.绿色屋顶径流调控研究进展[J].应用生态学报,2015,26(8):2581-2590.
[12] 刘世文,杨柳,张璞,等.西宁住宅小区冬季微气候测试研究[J].建筑科学,2013,29(8):64-69.
[13] 王敏.绿色屋顶的雨水管理效能研究[J].中国城市林业,2011,9(3):53-55.
[14] 董丽.屋顶绿化植物选择与种植设计[J].中国建筑防水,2010(19):21-23.
[15] 郑浩男,赵嵩颖.严寒地区既有建筑绿色屋顶改造技术研究[J].节能,2018,37(3):7-10.
[16] 许可,吕游.谈屋顶花园设计中的景观效果营造[J].山西建筑,2014,40(2):210-212.
[17] 刘译锴.兰州市屋顶绿化技术研究[D].兰州:兰州大学,2015.
[18] 邓陈宁,李家科,李怀恩.城市雨洪管理中绿色屋顶研究与应用进展[J].环境科学与技术,2018,41(3):141-150.
[19] 许荷.屋顶绿化构造探析[D].北京:北京林业大学,2007.
[20] 段丙政,赵建伟,高勇,等.绿色屋顶对屋面径流污染的控制效应[J].环境科学与技术,2013,36(9):57-59.
[21] 杨茜茜.屋顶花园设计研究[D].杭州:浙江大学,2014.
[22] 王晓晨,张新波,赵新华,等.绿化屋顶基质材料及厚度对屋面径流雨水水质的影响[J].中国给水排水,2015,31(1):95-99.
[23] 张明亮,沈永明,沈丹.城市小区雨水管网非恒定数学模型的对比研究[J].水力发电学报,2007,26(5):80-85.
[24] 王祥,张行南,张文婷,等.基于SWMM的城市雨水管网排水能力分析[J].三峡大学学报(自然科学版),2011,33(1):5-8.
[25] LUAN B,YIN R X,XU P,et al.Evaluating green stormwater infrastructure strategies efficiencies in a rapidly urbanizing catchment using SWMM-based TOPSIS[J].Journal of Cleaner Production Volume,2019(223):680-691.

PDF全文 浏览全文