Longevity of rain gardens in Minnesota (US) as a stormwater solution: a question of homeowner motivation and satisfaction

IF 2.4 Q3 ENVIRONMENTAL SCIENCES Frontiers in Sustainable Cities Pub Date : 2023-11-03 DOI:10.3389/frsc.2023.1277066
Linda B. Jahnke, Michael R. Barnes
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Abstract

Rain gardens are gardens with a specific purpose. Designed as a shallow depression that captures stormwater runoff from impervious surfaces, rain gardens are planted with deep-rooted, wet/dry-cycle tolerant plants that enable the water to slowly permeate and be filtered by the soil. They are used as stormwater best management practices by municipalities and organizations as part of their overall plans to meet water quality goals as mandated by the United States (US) Clean Water Act. City and watershed administrators are counting on these rain gardens to be durable, effective solutions for managing stormwater runoff. But when the rain gardens are installed in the yards of privately owned homes, control of these solutions lands on the homeowners' shoulders. How effective are the rain gardens years after installation? How do the social factors of motivation and satisfaction relate to the longevity of the rain gardens? The objective of this case study was to determine the perceived performance of residential rain gardens as well as homeowner motivation and satisfaction with them over time. Data was collected via an email survey from homeowners located in the Twin Cities of Minneapolis and St. Paul, MN, US that had installed a rain garden. Key findings include (1) almost all rain gardens performed effectively, though some were not seen as successful, (2) motivations for installing rain gardens differ widely for successful vs. challenged gardens and (3) satisfaction with the rain gardens decreases over time.
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美国明尼苏达州雨水花园作为雨水解决方案的寿命:房主动机和满意度的问题
雨花园是有特定用途的花园。雨水花园被设计成一个浅浅的洼地,从不透水的表面收集雨水径流,雨水花园种植了深根、耐湿/干循环的植物,使水能够缓慢渗透并被土壤过滤。它们被市政当局和组织用作雨水最佳管理实践,作为其总体计划的一部分,以实现美国《清洁水法》规定的水质目标。城市和流域管理者指望这些雨水花园成为管理雨水径流的持久、有效的解决方案。但是,当雨水花园被安装在私人住宅的院子里时,控制这些解决方案就落在了房主的肩上。雨水花园安装几年后效果如何?动机和满意度的社会因素如何与雨花园的寿命相关?本案例研究的目的是确定住宅雨水花园的感知性能,以及业主的动机和满意度。数据是通过电子邮件调查收集的,调查对象是位于美国明尼苏达州明尼阿波利斯和圣保罗双城的房主,他们安装了一个雨水花园。主要发现包括:(1)几乎所有的雨水花园都有效运行,尽管有些并不被视为成功;(2)安装雨水花园的动机在成功和挑战的花园之间差异很大;(3)对雨水花园的满意度随着时间的推移而降低。
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来源期刊
CiteScore
4.00
自引率
7.10%
发文量
176
审稿时长
13 weeks
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