我们如何管理大规模的绿色基础设施以获得多重水安全效益?

IF 2.3 Q3 ENVIRONMENTAL SCIENCES Blue-Green Systems Pub Date : 2021-09-24 DOI:10.2166/bgs.2021.015
Lidia Cano Pecharroman, Christopher Williams, N. G. Nylen, M. Kiparsky
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引用次数: 2

摘要

传统的、用途有限的灰色基础设施未能解决世界上相互关联的水挑战。改善水安全将越来越需要更加综合的应对措施。本文研究了大规模绿色基础设施(LSGI),即在流域范围内对水安全产生重大影响的规划自然或混合系统,作为一种应对措施。本文探讨了LSGI的管理和融资面临的主要挑战,这些挑战阻碍了其更广泛的使用。我们报告了美国的四个案例研究,LSGI正被用于改善水安全。通过分析这些案例研究和相关文献,我们确定了LSGI治理的三个重要主题:成本分担、绩效监控和合法化。首先,我们假设基于LSGI提供的多种好处的正式成本分担可以实现更广泛的采用,但发现在这些例子中,成本分担是有限的和非正式的。其次,我们的研究表明,将绩效监测扩大到包括关键的次要利益,有助于澄清项目的利益和负担如何在利益相关者之间分配,促进成本分担,并提高项目的合法性。最后,LSGI将需要进一步合法化——形成一种更广泛的观念,即LSGI是灰色基础设施的适当替代或补充——以发展成为水安全的可行贡献者。
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How can we govern large-scale Green infrastructure for multiple water security benefits?
Traditional, limited purpose grey infrastructure has failed to address the world's interrelated water challenges. Improving water security will increasingly require more integrated responses. This paper examines large-scale green infrastructure (LSGI), planned natural or hybrid systems that materially affect water security at the watershed scale, as one such response. This paper examines key challenges for governing and financing LSGI, which hinder its broader use. We report on four case studies located in the United States where LSGI is being employed to improve water security. Through analysis of these case studies and related literature, we identify three themes important for LSGI governance: cost sharing, performance monitoring, and legitimization. First, we hypothesize that formal cost sharing based on the multiple benefits LSGI provides could enable wider adoption, but find that in these examples cost sharing is limited and informal. Second, our research suggests that expanding performance monitoring to encompass key secondary benefits could help clarify how the benefits and burdens of a project are distributed across stakeholders, facilitate cost sharing, and enhance project legitimacy. Finally, LSGI will require further legitimization – developing a broader perception that LSGI is an appropriate alternative or complement to grey infrastructure – to develop as a viable contributor to water security.
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来源期刊
Blue-Green Systems
Blue-Green Systems Multiple-
CiteScore
8.70
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