Nature-based solutions for circular urban water systems: A scoping literature review and a proposal for urban design and planning

Tsatsou, Alexandra; Frantzeskaki, Niki; Malamis, Simos

doi:10.1016/j.jclepro.2023.136325

Cited by 32 publications

(9 citation statements)

References 101 publications

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“…Different methodologies related to the chosen HMHs were taken into the consideration with respect to exposure, vulnerability, and adaptation interaction of the elements at risk. Regarding flood risk assessment, Tsatsou et al (2023) explored eleven types of nature-based solutions that can contribute to circular systems for water reuse and resource recovery throughout cities in terms of their function, co-benefits, integration, and scaling-up in urban areas. Based on the scoping literature review of 68 peer-reviewed research articles, four key dimensions for the design and integration of circular water nature-based solutions in cities are identified: environmental technology, systems design, urban design, and urban planning.…”

Section: Improvement Of Effective and Eco-friendly Green Roofs And Sy...mentioning

confidence: 99%

Estimation of possible locations for green roofs and bioswales and analysis of the effect of their implementation on stormwater runoff control

Kinoshita,

Ozaki

2024

Front. Clim.

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IntroductionThe objectives of this study are twofold. The first is to identify potential green infrastructure construction sites by building rooftops and sidewalks. The second is to analyze internal flooding for a wide range of drainage areas and to quantitatively evaluate the effectiveness of stormwater runoff control.MethodsThe target area has approximately 600 ha with a runoff coefficient of 0.71. Using Arc GIS Desktop 10.8.1, this study has identified green roofs and bioswales that would be highly beneficial in capturing large amounts of rainfall. In addition, Info Works ICM was used for the inundation analysis, which can simultaneously calculate the flow in sewer pipelines and above-ground inundation flow. Runoff coefficients were calculated for each land use using the urban land use subdivision mesh data with 100 m unit. This study targeted a 10-year probability rainfall (total rainfall: 86.3 mm, maximum hourly rainfall: 52.3 mm/h, duration: 3 h) with a middle concentrated rainfall waveform obtained from past experiments in the d4PDF database of ensemble climate prediction contributing to global warming.ResultsThe amount of land availability for green roofs and bioswales was about 1 and 0.1% of the drainage area, respectively. The runoff coefficients for green roofs only, bioswales only, with and without introduction of both green roofs and bioswales were 70.34, 70.87, 70.28, and 70.93%, respectively. The difference in runoff coefficients was about 0.65 percentage points even when both were constructed. As a result of inundation analysis, the reduction was 2.5% for the maximum waterlogged area, 1.5% for the flooded area, and 0.7% for the average depth of waterlogging divided by the maximum waterlogged area. The construction of green roofs and bioswales in the same area or downstream of the area shows little mitigation effect when flooding occurs in an area near the downstream end of the sewer network.DiscussionAlthough this study has mainly discussed the stormwater runoff control aspect, the most important feature of green infrastructure is its multifunctionality. In terms of utilizing and promoting green infrastructure, it is important to visualize its multifaceted effects and share them with many stakeholders.

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Section: Improvement Of Effective and Eco-friendly Green Roofs And Sy...mentioning

confidence: 99%

Estimation of possible locations for green roofs and bioswales and analysis of the effect of their implementation on stormwater runoff control

Kinoshita,

Ozaki

2024

Front. Clim.

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“…The UWS scale refers to the magnitude of water flowing through the system managed by centralized or decentralized WMUs, which are the elements that compose this system. The UWS can rely entirely on centralized treatment plants for all types of water streams (supply, wastewater, or stormwater) or can present distributed WMUs covering a diverse range of scales [22][23][24][25][26][27][28]. Centralized urban water systems (CUWSs) consist of large treatment plants, distribution networks, collection pipelines, and drainage infrastructure carrying water far from the point of origin [22].…”

Section: Uws Scale Definitionmentioning

confidence: 99%

“…Additionally, drainage systems (frequently combined with sewage) can rely on underground tanks to accumulate water during wet weather [24]. This design can prevent floods and overflows to water courses, as well as operational flow disturbances that affect treatment performance in wastewater treatment plants [25][26][27][28][29][30].…”

Section: Uws Scale Definitionmentioning

confidence: 99%

“…As a result, schemes are better capable of diversifying water sources through closed loops centred on nonpotable reuse (NPR) [21,22,39]. Decentralization is also associated with distributed facilities and spaces that mimic nature to manage stormwater through green infrastructure (GI) [13,27,28,40]. GI is referred to in this document as any nature-based solution (NBS), green-(blue), or hybrid green and grey asset [41] of the system that mimics nature and contributes to the water cycle restauration.…”

Section: Uws Scale Definitionmentioning

confidence: 99%

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How Scale Influences the Resilience of Urban Water Systems: A Literature Review of Trade-Offs and Recommendations

Arnaud,

Poch,

Popartan

et al. 2024

Water

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Climate change severely affects urban water systems (UWSs). Infrastructure historically designed for milder conditions cannot manage growing water demands and extreme events. To obtain a resilient water sector, adaptation and mitigation strategies must address rising water challenges while striving for net-zero emissions. Researchers have noted that extreme decentralization is positively associated with closing cycles while reducing transport costs. However, part of the scientific community defends centralized schemes due to economies of scale. The objective of this systematic review is to understand the trade-offs associated with the adoption of different scales at UWSs design and how this impacts system resilience. This process includes identifying different scale trade-offs and unique environmental aspects that influence the optimal scale suitability. A clear distinction was made in terms of scale concept and classification, considering different design levels. That is, considering the UWS at the city level and water management units (WMUs) at the local level. Similarly, a classification of different scales for each level, covering all water streams—supply, wastewater, and stormwater—was introduced. We defined the key environmental aspects that influence the optimal scale and location suitability: ten at the city-catchment level and eleven at the site-neighbourhood level. Scale impacts three major UWSs functionalities that have repercussions on urban resilience: net energy, net water, and ecosystem services (ES).

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“…Nature-based solutions (NBS) can foster and simplify implementation actions in urban landscapes by considering the services provided by nature. They include the provision of urban green, such as parks and street trees that may ameliorate high temperatures in cities or regulate air and water flows, or the allocation of natural habitat space in floodplains that may buffer the impacts of flood events [10]. Architectural solutions for buildings, such as green roofs and wall installations, may reduce temperature and save energy [11][12][13].…”

Section: Introduction and State Of The Artmentioning

confidence: 99%

The Intersection of the Green and the Smart City: A Data Platform for Health and Well-Being through Nature-Based Solutions

Kolokotsa,

Lilli,

Tsekeri

et al. 2023

Smart Cities

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An increasingly important aspect of analyzing the challenges facing cities today is the integration of nature. Nature-based solutions have the potential to successfully cope with the adverse effects of extensive urbanization and climatic change. On the other hand, the incorporation of smartness in cities is a critical issue. This paper aims to analyze the steps towards integrating nature-based solutions and smart city aspects to develop a web-based data platform that focuses on tackling and investigating the role of nature-based solutions in city health and well-being and returns a digital twin of the natural and built environment, including health-related key performance indicators. Seven pilot cities are used as a basis for the analysis. The architecture of a smart green city data platform is described. The interaction with the citizens is ensured through apps and games. The paper lays the foundation for a future “phygital” NBS world.

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Nature-based solutions for circular urban water systems: A scoping literature review and a proposal for urban design and planning

Cited by 32 publications

References 101 publications

Estimation of possible locations for green roofs and bioswales and analysis of the effect of their implementation on stormwater runoff control

Estimation of possible locations for green roofs and bioswales and analysis of the effect of their implementation on stormwater runoff control

How Scale Influences the Resilience of Urban Water Systems: A Literature Review of Trade-Offs and Recommendations

The Intersection of the Green and the Smart City: A Data Platform for Health and Well-Being through Nature-Based Solutions

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