Nature-based alternative-water landscapes for water security and green space health

IF 2.3 Q3 ENVIRONMENTAL SCIENCES Blue-Green Systems Pub Date : 2023-12-01 DOI:10.2166/bgs.2023.042
Anna Louise Durkin, Felicity Roddick, John Fien
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Abstract

This paper is concerned with highlighting and learning from Alternative-Water Urban Landscapes (AWULs) from around the world. Such systems contribute to issues such as water security and greenspace health. Nature-based methods for treating alternative-water can provide for secure water supplies in local landscapes and a wide range of social and environmental co-benefits. However, such treatment methods have raised concerns about efficacy, safety, public opinion, and cost, which have often led to a reliance on centralised, and high-energy and chemical treatment methods. To move forward, more understanding about AWULs is required. The aim of this research is to reveal principles for the design of nature-based AWULs. A framework for the analysis of AWULs was developed from relevant literature works. The framework comprised two sets of criteria based on conservative and innovative aspirations for the AWUL design. A search of AWUL and landscape literature revealed 26 precedents as suitable. These were then analysed using the two sets of criteria which revealed three key outcomes for nature-based AWUL applications. These included making use of free-water surface flow landscape-based treatment, large AWUL footprints and, partial decentralisation. These findings helped to fashion a set of design principles to guide and encourage adoption of nature-based AWUL by implementers.
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基于自然的替代水景观,促进水安全和绿地健康
本文关注的是世界各地的替代水城市景观(AWULs)的突出和借鉴。这样的系统有助于解决水安全和绿色空间健康等问题。以自然为基础的处理替代水的方法可以为当地景观提供安全的供水,并带来广泛的社会和环境效益。然而,这些治疗方法引起了人们对疗效、安全性、公众舆论和成本的担忧,这往往导致人们对集中、高能和化学治疗方法的依赖。为了继续前进,需要更多地了解AWULs。本研究的目的是揭示基于自然的AWULs的设计原则。在相关文献的基础上,建立了AWULs的分析框架。该框架包括两套标准,基于对AWUL设计的保守和创新愿望。通过对AWUL和景观文献的检索,发现了26个合适的先例。然后使用两组标准对这些结果进行分析,这两组标准揭示了基于自然的AWUL应用程序的三个关键结果。这些措施包括利用自由水面流动的景观处理,大面积的AWUL足迹和部分分散。这些发现有助于形成一套设计原则,以指导和鼓励实现者采用基于自然的AWUL。
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Blue-Green Systems
Blue-Green Systems Multiple-
CiteScore
8.70
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