Articles de revues : « SuDS - Sustainable Urban Drainage Systems »

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Ngong Deng, Abraham Ayuen, Nursetiawan et Jazaul Ikhsan. « Sustainable Urban Drainage Systems (2014-2023) by Using Bibliometric Analysis Method ». Journal of Sustainable Civil Engineering and Technology 3, n^o 1 (29 mars 2024) : 145–70. http://dx.doi.org/10.24191/jscet.v3i1.145-170.

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Sustainable urban drainage systems (SUDS) are increasingly crucial for stormwater management. This bibliometric review analyses research trends on sustainable urban drainage systems over the past decade (2014- 2023) using data from Scopus. The analysis found 705 articles, 192 conference papers, 85 book chapters, and 64 reviews on sustainable urban drainage systems. Publication volume increased by 66% during the study period, indicating rising research interest. The most cited article (294 citations) was a 2019 review by Andrés-Doménech et al. on innovations in sustainable urban drainage systems. Analysis of author keywords revealed 8 clusters of research topics, with "sustainable urban drainage systems" being the dominant term with 889 keywords. Although general sustainable urban drainage system terms prevail, the use of keywords related to network visualization methods like VOS viewer is rapidly increasing. The United Kingdom published the most SUDS research (315 articles), followed by China (149), Spain (135), the United States (126), and Italy (107 articles). Research was concentrated in the environmental science and engineering fields. However, this bibliometric analysis provides insights into SUDS research trends, the most active countries and institutions, and emerging topic areas. The rapid increase in publications and use of network visualization techniques demonstrates SUDS' growing importance in urban stormwater management. The results can help inform future research directions, such as applying advanced data analytics to improve SUDS design and performance. Expanding bibliometric analyses with additional techniques like VOS viewer could further enhance understanding of this critical area of urban environmental research. Developing bibliometric methods and adding feature extraction algorithms when selecting features used to model data can increase the efficiency and accuracy of the data on sustainable urban drainage systems. The development of research data using Vos viewers images with this type of data processing research can also be maximized for research related to the sustainable urban drainage system.

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Andrés-Doménech, Ignacio, Jose Anta, Sara Perales-Momparler et Jorge Rodriguez-Hernandez. « Sustainable Urban Drainage Systems in Spain : A Diagnosis ». Sustainability 13, n^o 5 (5 mars 2021) : 2791. http://dx.doi.org/10.3390/su13052791.

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Sustainable urban drainage systems (SUDS) were almost unknown in Spain two decades ago; today, urban drainage in the country is transitioning towards a more sustainable and regenerative management in a global context where green policies are gaining prominence. This research establishes a diagnosis of SUDS in Spain and examines the extent to which the country is moving towards the new paradigm in three dimensions: (a) the governance and social perception of the community, (b) the regulative background, and (c) the implementation and the technical performance of SUDS. The diagnosis identifies barriers that hinder the change. Then, we define the challenges that Spain has to face to overcome obstacles that delay the transition. Barriers to the governance sphere are related to the lack of involvement, knowledge, and organisational responsibilities. Within the regulative framework, the absence of national standards hinders the general implementation at the national scale, although few regional and local authorities are taking steps in the right direction with their own regulations. From the technical perspective, SUDS performance within the Spanish context was determined, although some shortcomings are still to be investigated. Despite the slowdown caused by the hard recession periods and the more recent political instability, SUDS implementation in Spain is today a fact, and the country is close to reaching the stabilisation stage.

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Jefferies, C., A. Duffy, N. Berwick, N. McLean et A. Hemingway. « Sustainable Urban Drainage Systems (SUDS) treatment train assessment tool ». Water Science and Technology 60, n^o 5 (1 mai 2009) : 1233–40. http://dx.doi.org/10.2166/wst.2009.463.

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This paper outlines a rationale and scoring system for the stormwater treatment train assessment tool (STTAT) which is a proposed regulatory tool for Sustainable Urban Drainage Systems (SUDS). STTAT provides guidance and regulatory consistency for developers about the requirements of planners and the Scottish Environment Protection Agency (SEPA). The tool balances the risks of pollution to the receiving water body with the treatment provided in a treatment train. It encourages developers to take SUDS into account early, avoiding any misunderstanding of SUDS requirements at the planning stage of a development. A pessimistic view on pollution risks has been adopted since there may be a change of land use on the development in the future. A realistic view has also been taken of maintenance issues and the ‘survivability’ of a SUDS component. The development of STTAT as a response to the requirements of the Water Framework Directive is explored, the individual scores being given in tabular format for receiving water and catchment risks. Treatment scores are proposed for single SUDS components as well as multiple components within treatment trains. STTAT has been tested on a range of sites, predominantly in Scotland where both development and receiving water information was known. The operational tool in use by SEPA is presented.

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Fryd, Ole, Torben Dam et Marina Bergen Jensen. « A planning framework for sustainable urban drainage systems ». Water Policy 14, n^o 5 (5 juin 2012) : 865–86. http://dx.doi.org/10.2166/wp.2012.025.

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Sustainable urban drainage systems (SUDS) call for collaborative and interdisciplinary practices. The problem with this is the social and technical complexities involved, and the absence of a shared understanding of the challenge and the scope of integrated solutions. It is necessary to clarify the contributions and interactions between disciplines in order to achieve integrated planning and design of SUDS. This paper reviews the literature across disciplinary fields and outlines key messages and uncertainties within each discipline. The outcome is a framework comprising time, space and human values, as well as biophysical processes (e.g. engineering), spatial strategies (e.g. urban design) and adaptive strategies (e.g. management). It identifies the planning of SUDS as a collective learning process with continuous iterations between disciplines, while also reflecting the past, present and future of a specific site.

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Oladunjoye, Oluwayemi, David Proverbs et Hong Xiao. « Retrofitting Sustainable Urban Drainage Systems (SuDS) : A Cost-Benefit Analysis Appraisal ». Water 14, n^o 16 (16 août 2022) : 2521. http://dx.doi.org/10.3390/w14162521.

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Sustainable Urban Drainage Systems (SuDS) are known to help mitigate flooding whilst simultaneously delivering other positive outcomes, such as the provision of environmental, economic, educational, and business benefits. Despite this, there has been a relatively low uptake of SuDS in new developments and even less of an uptake in the opportunities for retrofitting SuDS in existing buildings. A major barrier to uptake has been a lack of understanding regarding the value of the benefits provided by SuDS. This study presents an appraisal of the costs and benefits derived from the retrofitting of SuDS in existing buildings and reveals some of the key decision-making considerations during the design and installation of such schemes. A qualitative research approach that included a number of case studies of successfully retrofitted SuDS schemes within public buildings was conducted. A novel feature of the research was the use of the Willingness to Pay (WTP) approach to value the tangible and intangible benefits provided by the various schemes from the perspectives of the property owners. The findings revealed that the retrofit provided a net value to the client of over £100,000 over 10 years, a mean CBA ratio of 5.3/10, and a return on investment (ROI) that would be achieved in less than 3 years. The importance of stakeholder engagement during the decision-making process was highlighted in helping to overcome many of the design, installation, and maintenance challenges. The findings demonstrate a significant ROI for these SuDs retrofit schemes and highlight useful approaches to overcoming the barriers in valuing the importance of the intangible benefits. In supporting the uptake of the retrofitting of SuDS, it is recommended that these benefits are given full consideration by property owners, urban planners, and architects during the design of retrofit schemes and throughout the decision-making stage.

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Zhang, Yiyang. « SUDS : New solution for urban flooding ». Applied and Computational Engineering 58, n^o 1 (30 avril 2024) : 283–88. http://dx.doi.org/10.54254/2755-2721/58/20240734.

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Climate change causing extreme weather events across the world. The excising urban drainage system facing the great stress of managing heavy precipitation events and caused urban flooding. The specialists in the urban designing field are searching for more effective way of managing flooding events. Sustainable Urban Drainage System is kind of drainage system design which simulating nature rainwater managing practices. In this research, the SUDS is analyzed mainly from three aspects: Flood managing ability, economic benefits, and ecological benefits. This research reviews the existing SUDS examples and research basing on the SUDS designing strategies. Research has found that the SUDS is more than capable of managing stormwater but also can generate both monetary and indirect economic benefit. Furthermore, the nature feature of SUDS facilities can provide ecological benefits like providing habitats for animals, improving hydrological feature, and increase comfortability for residents. Thus, SUDS can be an ideal solution for the new urban drainage systems.

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Jiménez Ariza, Martínez, Muñoz, Quijano, Rodríguez, Camacho et Díaz-Granados. « A Multicriteria Planning Framework to Locate and Select Sustainable Urban Drainage Systems (SUDS) in Consolidated Urban Areas ». Sustainability 11, n^o 8 (17 avril 2019) : 2312. http://dx.doi.org/10.3390/su11082312.

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The implementation of sustainable urban drainage systems (SUDS) is increasing due to their advantages, which transcend runoff control. As a result, it is important to find the appropriate SUDS locations to maximize the benefits for the watershed. This study develops a multiscale methodology for consolidated urban areas that allows the analysis of environmental, social, and economic aspects of SUDS implementation according to multiple objectives (i.e., runoff management, water quality improvements, and amenity generation). This methodology includes three scales: (a) citywide, (b) local, and (c) microscale. The citywide scale involves the definition of objectives through workshops with the participation of the main stakeholders, and the development of spatial analyses to identify (1) priority urban drainage sub-catchments: areas that need intervention, and (2) strategic urban drainage sub-catchments: zones with the opportunity to integrate SUDS due the presence of natural elements or future urban redevelopment plans. At a local scale, prospective areas are analyzed to establish the potential of SUDS implementation. Microscale comprises the use of the results from the previous scales to identify the best SUDS placement. In the latter scale, the SUDS types and treatment trains are selected. The methodology was applied to the city of Bogotá (Colombia) with a population of nearly seven million inhabitants living in an area of approximately 400 km2. Results include: (a) The identification of priority urban drainage sub-catchments, where the implementation of SUDS could bring greater benefits; (b) the determination of strategic urban drainage sub-catchments considering Bogotá’s future urban redevelopment plans, and green and blue-green corridors; and (c) the evaluation of SUDS suitability for public and private areas. We found that the most suitable SUDS types for public areas in Bogotá are tree boxes, cisterns, bioretention zones, green swales, extended dry detention basins, and infiltration trenches, while for private residential areas they are rain barrels, tree boxes, green roofs, and green swales.

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Thodesen, Bridget, Berit Time et Tore Kvande. « Sustainable Urban Drainage Systems : Themes of Public Perception—A Case Study ». Land 11, n^o 4 (18 avril 2022) : 589. http://dx.doi.org/10.3390/land11040589.

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Climate adaptation measures address the challenges that densification and climate change impose on the urban environment. Sustainable urban drainage system (SUDS) constructs include the introduction of natural elements, such as riparian buffers, vegetative filters, rain beds, water spills, watermark filters, retainers and dams, and are an integral part of these climate adaptation measures. SUDS are commonly undertaken at a municipal level in Norway but, unfortunately, the implementation of SUDS projects has lagged behind expectation. Norway is a normative and egalitarian society, where public resistance to local projects is a factor in the delayed adoption of SUDS. That is why a greater understanding of public perceptions and priorities is needed to build consensus and support for these climate adaptation measures. This research looked at the Blaklibekken SUDS case study in Trondheim, Norway. A cross-section of interviews with the municipality and users was undertaken to establish themes within local perceptions of the project. Themes of environmental benefit, child-related activities, maintenance of the site and funding were established to provide a better understanding of public expectations and what aspects of the project correlated with public acceptance or resistance. This work provides a starting point for further research to establish public ‘themes of interest’ that can provide decision makers greater insight into public priorities.

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Andrés-Valeri, V. C., D. Castro-Fresno, L. A. Sañudo-Fontaneda et J. Rodriguez-Hernandez. « Comparative analysis of the outflow water quality of two sustainable linear drainage systems ». Water Science and Technology 70, n^o 8 (2 septembre 2014) : 1341–47. http://dx.doi.org/10.2166/wst.2014.382.

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Three different drainage systems were built in a roadside car park located on the outskirts of Oviedo (Spain): two sustainable urban drainage systems (SUDS), a swale and a filter drain; and one conventional drainage system, a concrete ditch, which is representative of the most frequently used roadside drainage system in Spain. The concentrations of pollutants were analyzed in the outflow of all three systems in order to compare their capacity to improve water quality. Physicochemical water quality parameters such as dissolved oxygen, total suspended solids, pH, electrical conductivity, turbidity and total petroleum hydrocarbons were monitored and analyzed for 25 months. Results are presented in detail showing significantly smaller amounts of outflow pollutants in SUDS than in conventional drainage systems, especially in the filter drain which provided the best performance.

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Semadeni-Davies, Annette. « Implications of climate and urban development on the design of sustainable urban drainage systems (SUDS) ». Journal of Water and Climate Change 3, n^o 4 (1 décembre 2012) : 239–56. http://dx.doi.org/10.2166/wcc.2012.043.

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This paper explores the implications of climate change and urban development on the design of sustainable urban drainage systems (SUDS) using the example of ponds and raingardens in Auckland, New Zealand. Many of Auckland's coastal and freshwater receiving environments have been degraded due to stormwater inflows and are potentially at further risk due to continued urbanisation and climate change. SUDS have been suggested as a possible means of adapting to those risks. However, there is little guidance available on how they should be designed for future conditions. Response-curves which relate changes in SUDS sizing to both climate change and imperviousness are presented as a means of displaying a range of possible future design needs. It is suggested that they could aid in the selection of adaptation strategies. The methodology followed is based on publicly available guidance material to provide a real world example of the design issues facing stormwater managers. An incremental adaptation strategy, whereby construction is staggered over time, is recommended for ponds which vary greatly in size depending on the projected climate and imperviousness. In contrast, adapting raingardens at the time of construction is pragmatic as the change in size, with even the maximum projected climate change, is modest.

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Haghighatafshar, Salar, Jes la Cour Jansen, Henrik Aspegren et Karin Jönsson. « Conceptualization and Schematization of Mesoscale Sustainable Drainage Systems : A Full-Scale Study ». Water 10, n^o 8 (6 août 2018) : 1041. http://dx.doi.org/10.3390/w10081041.

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Sustainable Drainage Systems (SuDS) can be considered the joint product of water engineering and urban planning and design since these systems must comply with hydraulic, hydrologic, and social-ecological functions. To enhance this joint collaboration, a conceptual model of mesoscale SuDS is introduced based on the observed rainfall-runoff responses from two catchments with SuDS and a pipe-bound catchment. The model shows that in contrast to pipe systems, SuDS disaggregates the catchment into a group of discrete mini catchments that have no instant connection to the outlet. These mini catchments start to connect to each other (and perhaps to the outlet) as the rainfall depth increases. It is shown that the sequence of stormwater control measures (SCMs as individual components of SuDS) affects the system’s overall performance depending on the volumetric magnitude of the rainfall. The concept is useful in the design and implementation of mesoscale SuDS retrofits, which include several SCMs with different retention and detention capacities within a system.

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Monberg, Rikke Juul, Andy G. Howe, Hans Peter Ravn et Marina Bergen Jensen. « Exploring structural habitat heterogeneity in sustainable urban drainage systems (SUDS) for urban biodiversity support ». Urban Ecosystems 21, n^o 6 (28 août 2018) : 1159–70. http://dx.doi.org/10.1007/s11252-018-0790-6.

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VLADASEL(PASARESCU), Adela Constanta, et Adriana Magdalena PIENARU. « ASSESING THE OPORTUNITIES OF DELIVERING SUSTAINABLE DRAINAGE SYSTEMS IN ROMANIA ». AgroLife Scientific Journal 11, n^o 1 (30 juin 2022) : 253–58. http://dx.doi.org/10.17930/agl2022129.

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Rainfall and surface water runoff are valuable resources, and this should be reflected in the way it is managed and used in our cities and towns in Romania. It can provide beauty, enhance biodiversity, improve buildings, places, and spaces. Also, it helps making them more adaptive and resilient to climate change, which is one of the biggest challenges in the world. The SuDS philosophy is about maximising the benefits and minimising the negative impacts of surface water runoff from developed areas. Moreover, SuDS are designed to manage the flood and pollution risks resulting from urban runoff but also to contribute wherever possible to environmental enhancement and place making. With this in mind, the multi-functionality and multiple benefits of SuDS should always be considered. Going forward, in most of the towns and cities there are opportunities to better manage surface water - replacing the old systems that discharge rain and runoff to the drains and sewers with new ones which capture rain, manage surface water runoff, and deliver multiple benefits.

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Viavattene, C., et J. B. Ellis. « The management of urban surface water flood risks : SUDS performance in flood reduction from extreme events ». Water Science and Technology 67, n^o 1 (1 janvier 2013) : 99–108. http://dx.doi.org/10.2166/wst.2012.537.

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The need to improve the urban drainage network to meet recent urban growth and the redevelopment of old industrial and commercial areas provides an opportunity for managing urban surface water infrastructure in a more sustainable way. The use of sustainable urban drainage systems (SUDS) can reduce urban surface water flooding as well as the pollution impact of urban discharges on receiving waters. However, these techniques are not yet well known by many stakeholders involved in the decision-making process, or at least the evidence of their performance effectiveness may be doubted compared with more traditional engineering solutions often promoted by existing 1D/2D drainage models. The use of geographic information systems (GIS) in facilitating the inter-related risk analysis of sewer surface water overflows and urban flooding as well as in better communication with stakeholders is demonstrated in this paper. An innovative coupled 1D/2D urban sewer/overland flow model has been developed and tested in conjunction with a SUDS selection and location tool (SUDSLOC) to enable a robust management approach to surface water flood risks and to improve the resilience of the urban drainage infrastructure. The paper demonstrates the numerical and modelling basis of the integrated 1D/2D and SUDSLOC approach and the working assumptions and flexibility of the application together with some limitations and uncertainties. The role of the SUDSLOC modelling component in quantifying flow, and surcharge reduction benefits arising from the strategic selection and location of differing SUDS controls are also demonstrated for an extreme storm event scenario.

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Bouarafa, Sofia, Laurent Lassabatere, Gislain Lipeme-Kouyi et Rafael Angulo-Jaramillo. « Hydrodynamic Characterization of Sustainable Urban Drainage Systems (SuDS) by Using Beerkan Infiltration Experiments ». Water 11, n^o 4 (30 mars 2019) : 660. http://dx.doi.org/10.3390/w11040660.

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Stormwater management techniques in urban areas, such as sustainable urban drainage systems (SuDS), are designed to manage rainwater through an infiltration process. In order to determine the infiltration capacities of different SuDS and to identify their unsaturated hydraulic properties, measurements with the Beerkan method (i.e., single ring infiltration tests) were carried out on four types of common infiltration structures in an urban zone of Lyon (France): A drainage ditch with an underlying storage structure, a parking lot with a waterproof pavement that transfers runoff water toward the ditch, a vegetated hollow core slab, and an embankment of a grass-covered garden that was used as a reference for rainwater infiltration capacity. The novelty of this study lies in the use of three Beerkan estimation of soil transfer parameters (BEST) algorithms: BEST-slope, BEST-intercept, and BEST-steady to analyze infiltration data. The BEST methods are based on the analysis of the infiltration rate from transient to steady-state flow. They allow the determination of both shape and scale parameters of the soil water retention curve h(θ) and the hydraulic conductivity curve K(θ). The three BEST methods are efficient and simple for hydraulic characterization of SuDS. The study of the hydrodynamic behavior of the four structures revealed the infiltration inefficiency of some of them. Their average infiltration rates are considerably lower than the reference infiltration rain garden. The results confirmed the impact of some physical conditions, such as pore structure modification due to invasive vegetation colonization and the presence of soil organic matter, on soil hydrodynamic behavior degradation.

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O'Donnell, Emily, Shaun Maskrey, Glyn Everett et Jessica Lamond. « Developing the implicit association test to uncover hidden preferences for sustainable drainage systems ». Philosophical Transactions of the Royal Society A : Mathematical, Physical and Engineering Sciences 378, n^o 2168 (17 février 2020) : 20190207. http://dx.doi.org/10.1098/rsta.2019.0207.

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Understanding public perceptions of Sustainable Drainage Systems (SuDS) is critical for addressing barriers to their implementation. Perceptions are typically evaluated using explicit measures (e.g. questionnaires) that are subject to biases and may not fully capture attitudes towards SuDS. A novel image-based application of the Implicit Association Test is developed to investigate unconscious perceptions of SuDS in public greenspace and combined with explicit tests to evaluate perceptions of greenspace with and without SuDS, focusing on a sample population in Newcastle-upon-Tyne. Greenspace with or without SuDS is perceived positively by the sample population. Overall, respondents implicitly and explicitly prefer greenspace without SuDS and perceive greenspace without SuDS as more attractive, tidier and safer. The wide distribution of scores for SuDS, nonetheless, suggests a range of opinions and illustrates the complex nature of preferences for the use of greenspace. That the strongly negative explicit scores were not reflected in the implicit tests may suggest that explicit attitudes towards tidiness and safety may not be deep-rooted and are subject to social bias. Combined explicit and implicit tests may help us to understand any disconnect between expressed positive attitudes to natural spaces and behaviours around them and inform SuDS design to increase public acceptance. This article is part of the theme issue ‘Urban flood resilience’.

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De Bilt, Vita, Eva Nieuwenhuis, Frans van de Ven et Jeroen Langeveld. « Root causes of failures in sustainable urban drainage systems (SUDS) : an exploratory study in 11 municipalities in The Netherlands ». Blue-Green Systems 3, n^o 1 (1 janvier 2021) : 31–48. http://dx.doi.org/10.2166/bgs.2021.002.

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Abstract Despite being widely implemented, sustainable urban drainage systems (SUDS) do not always function flawlessly. While SUDS have been tested extensively and seem to perform well on a laboratory or pilot scale, practitioners' experience is different: failures in SUDS occur regularly in practice, resulting in malfunctioning systems, water nuisance and high costs. To anticipate their malfunctioning, and thus to improve their performance, a better understanding of failures occurring in SUDS and their underlying causes is needed. Based on an explorative case-study approach, consisting of site visits and semi-structured interviews with urban water professionals, this study presents an inventory of technical failures in SUDS and an analysis of their root causes. In total, 70 cases in 11 Dutch municipalities have been documented. The results show that the interfaces between SUDS and other urban systems are prominent failure locations. In addition, we found that failures originate from the entire development process of SUDS, i.e., from the design, construction and user/maintenance phase. With respect to the causes underlying these failures, our results show that these are mainly socio-institutional in nature. These are valuable insights for both practitioners and scholars, contributing to a renewed socio-technical urban water system with more sustainable water management practices.

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Priari, Georgia. « Promoting the Use of Public Areas for Sustainable Stormwater Management in Cities with Mediterranean Climate ». Proceedings 2, n^o 11 (3 août 2018) : 632. http://dx.doi.org/10.3390/proceedings2110632.

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The aim of this work is to identify and present small scale sustainable urban stormwater management techniques that can be implemented by local authorities into public spaces. We present areas that bioretention and other Sustainable Urban Drainage Systems (SuDS) can be adopted, causing the transformation of public areas into multifunctional spaces.

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Uribe-Aguado, Juliana, Sara L. Jiménez-Ariza, María N. Torres, Natalia A. Bernal, Mónica M. Giraldo-González et Juan P. Rodríguez. « A SUDS Planning Decision Support Tool to Maximize Ecosystem Services ». Sustainability 14, n^o 8 (11 avril 2022) : 4560. http://dx.doi.org/10.3390/su14084560.

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In the past years, alternative drainage approaches have emerged, such as Sustainable Urban Drainage Systems (SUDS), to prevent run-off and flooding impacts on the most vulnerable zones of the cities. These systems not only provide the benefit of water regulation but also promote other types of ecosystem services. Several studies have developed optimization tools to assist SUDS selection, location, and design. However, they do not consider a comprehensive set of ecosystem services (e.g., provision, regulation, cultural, and support services). This research proposes a flexible and adaptable methodology to incorporate SUDS in different stages of urban projects using a multi-objective optimization technique to minimize run-off, maximize ecosystem services and minimize cost. The methodology comprises four phases: (1) the preliminary analysis of ecosystem services potentially generated by each SUDS type, (2) the priority and opportunity index quantification, (3) the physical feasibility analysis, and (4) the multi-objective optimization tool implementation. The methodology was successfully applied to three different urban areas of Bogotá city (Colombia). Results evidence that the interaction of the budget constraints and the available area restrict the potential benefits of SUDS implementation. These results are helpful to support different urban planning stages.

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Napier, F., C. Jefferies, K. V. Heal, P. Fogg, B. J. D. Arcy et R. Clarke. « Evidence of traffic-related pollutant control in soil-based Sustainable Urban Drainage Systems (SUDS) ». Water Science and Technology 60, n^o 1 (1 juillet 2009) : 221–30. http://dx.doi.org/10.2166/wst.2009.326.

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SUDS are being increasingly employed to control highway runoff and have the potential to protect groundwater and surface water quality by minimising the risks of both point and diffuse sources of pollution. While these systems are effective at retaining polluted solids by filtration and sedimentation processes, less is known of the detail of pollutant behaviour within SUDS structures. This paper reports on investigations carried out as part of a co-ordinated programme of controlled studies and field measurements at soft-engineered SUDS undertaken in the UK, observing the accumulation and behaviour of traffic-related heavy metals, oil and PAHs. The field data presented were collected from two extended detention basins serving the M74 motorway in the south-west of Scotland. Additional data were supplied from an experimental lysimeter soil core leaching study. Results show that basin design influences pollutant accumulation and behaviour in the basins. Management and/or control strategies are discussed for reducing the impact of traffic-related pollutants on the aqueous environment.

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Rodríguez-Rojas, María I., Francisco Javier Garrido-Jiménez, Francisco Javier Abarca-Álvarez et Manuel Ricardo Vallecillos-Siles. « Advances in the Integration of Sustainable Drainage Systems into Urban Planning : A Case Study ». Sustainability 16, n^o 7 (24 mars 2024) : 2658. http://dx.doi.org/10.3390/su16072658.

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Climate change is arguably the greatest challenge facing cities today. Its severe consequences have created the need for sustainable urban planning. In this regard, Sustainable Drainage Systems (SuDS) have contributed in recent years to alleviating environmental problems caused by soil sealing and enhancing the resilience of cities to climate change. However, in most cases, the level of implementation is limited to solving environmental problems caused by inadequate urban planning. To change this, in recent years some countries have proposed recommendations to integrate these systems into their urban planning regulations, but these have been general and have not defined specific measures. This paper proposes to achieve this goal by using case studies of three countries with similar characteristics (Spain, Italy and France). A common framework for the integration of SuDS in planning has been proposed that can be exported to other similar places. The urban scales of intervention have been defined (city, neighborhood and street), as well as the actions to be carried out (analysis, planning and regulatory measures) and the urban plans to which they should be applied. This proposal represents an advancement in the application of SuDS as a primary control measure. This breakthrough will significantly improve the resilience of the cities of the future, making them more resilient to the effects of weather and climate change.

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D’Ambrosio, Roberta, Anacleto Rizzo, Alessandro Balbo et Antonia Longobardi. « Assessing the Performance of SuDS in the Mitigation of Urban Flooding : The Industrial Area of Sesto Ulteriano (MI) ». Proceedings 48, n^o 1 (12 novembre 2019) : 5. http://dx.doi.org/10.3390/ecws-4-06449.

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Recent development dynamics of urban centers forced administrations to deal more frequently with problems linked to the inability of traditional sewer systems to manage rainwater in a sustainable and effective manner. Currently, several laws require compliance with the quantitative and qualitative stormwater limits to be discharged into watercourses but, in parallel with a “regulatory” approach, integrated strategies are increasingly being developed. A fundamental role is carried out by Sustainable Drainage Systems (SuDS), whose basic principle is the management of rainwater at the source, through the implementation of prevention, mitigation and treatment strategies. This study, starting from a project proposal made by different Italian firms and funded by PoliS-Lombardia, aims to assess the benefits deriving from the widespread application of SuDS in the Sesto Ulteriano industrial area, through a comparison between a scenario that represents the current configuration of the drainage network, and an ideal scenario where SuDS are taken into consideration. SWMM5 software was used, in order to simulate the behavior of the drainage network in contexts without and with SuDS, after the construction of the synthetic rainfall data sets. Although only event scale simulations have been conducted so far, the encouraging results suggest that these systems really contribute can to mitigating the effects of flooding in urban areas.

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Barros Ramalho Alves, Priscila, Iana Alexandra Alves Rufino, Patrícia Hermínio Cunha Feitosa, Slobodan Djordjević et Akbar Javadi. « Land-Use and Legislation-Based Methodology for the Implementation of Sustainable Drainage Systems in the Semi-Arid Region of Brazil ». Sustainability 12, n^o 2 (16 janvier 2020) : 661. http://dx.doi.org/10.3390/su12020661.

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In developing countries, the urbanisation process occurs with empirical urban management, a high increase of impermeable areas, and a lack of connection between water resource management and planning. In Brazil, concentrated rainfall and ineffective urban drainage systems add to this context and may impact the population with flash floods. Although sustainable drainage systems (SuDS) are widely used for flood mitigation, it is still not very well known how those strategies behave in semi-arid regions, where most of the time the weather is very dry. In Brazil, flood mitigation still mostly involves structural measures such as larger pipes or channels, with limited guidance for SuDS use due to the great resistance to change by citizens and managers. This study sought to analyse the efficacy of SuDS in Campina Grande, a semi-arid region of Brazil. A land-use and legislation-based methodology was developed with physical, climate, hydrological and governance data for three catchments and 312 sub-catchments in 30 applications and simulations. Simulations suggest that these strategies would be appropriate for semi-arid regions, with reductions in the flooded area, flooding volume, and impacts. This study is of relevance for cities with a similar climate to reach a sustainable level of urban drainage services, supporting the integration of urban planning and water resources management.

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Abellán García, Ana Isabel, Noelia Cruz Pérez et Juan C. Santamarta. « Sustainable Urban Drainage Systems in Spain : Analysis of the Research on SUDS Based on Climatology ». Sustainability 13, n^o 13 (29 juin 2021) : 7258. http://dx.doi.org/10.3390/su13137258.

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Sustainable urban drainage systems (SUDS), or urban green infrastructure for stormwater control, emerged for more sustainable management of runoff in cities and provide other benefits such as urban mitigation and adaptation to climate change. Research in Spain began a little over twenty years ago, which was later than in other European countries, and it began in a heterogeneous way, both in the SUDS typology and spatially within the peninsular geography. The main objective of this work has been to know through bibliographic review the state of the art of scientific research of these systems and their relationship with the different types of climates in the country. These structures have a complex and sensitive dependence on the climate, which in the Iberian Peninsula is mostly type B and C (according to the Köppen classification). This means little water availability for the vegetation of some SUDS, which can affect the performance of the technique. To date, for this work, research has focused mainly on green roofs, their capabilities as a sustainable construction tool, and the performance of different plant species used in these systems in arid climates. The next technique with the most real cases analyzed is permeable pavements in temperate climates, proving to be effective in reducing flows and runoff volumes. Other specific investigations have focused on the economic feasibility of installing rainwater harvesting systems for the laundry and the hydraulic performance of retention systems located specifically in the northeast of the Iberian Peninsula. On the contrary, few scientific articles have appeared that describe other SUDS with vegetation such as bioretention systems or green ditches, which are characteristic of sustainable cities, on which the weather can be a very limiting factor for their development.

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Jose, Roshni, Rebecca Wade et Chris Jefferies. « Smart SUDS : recognising the multiple-benefit potential of sustainable surface water management systems ». Water Science and Technology 71, n^o 2 (8 décembre 2014) : 245–51. http://dx.doi.org/10.2166/wst.2014.484.

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How can we make sustainable urban drainage systems (SUDS) smart? SUDS help us to manage surface water runoff from urban environments but they are capable of delivering much more. This paper looks beyond the water quantity and quality improvement functions of SUDS and investigates the multiple benefits that can be gained by implementing smart SUDS solutions. This work provides a new perspective, using methodologies not normally associated with SUDS research, to determine multiple benefits. The outputs of the work can potentially assist decision-makers, designer and planners in recognising the potential for multiple benefits that can be delivered by SUDS. The ecosystem services (ES) associated with a large redevelopment in Dundee, Scotland, UK, are identified and a public perception study together with public participatory geographical information system (PPGIS) methods was used to confirm the goods and benefits of the SUDS. The paper presents findings on the public perception of SUDS as they provide cultural benefits such as recreation, aesthetics and biodiversity. The results show that greenspace is important when choosing a location, and willingness to pay for greenspace is high in this area. This paper concludes that SUDS provide multi-functional benefits in relation to the ES, thereby justifying the cachet of being termed Smart SUDS.

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Mguni, P., L. Herslund et M. B. Jensen. « Green infrastructure for flood-risk management in Dar es Salaam and Copenhagen : exploring the potential for transitions towards sustainable urban water management ». Water Policy 17, n^o 1 (18 juillet 2014) : 126–42. http://dx.doi.org/10.2166/wp.2014.047.

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The risk of flooding in urban areas could be better approached by complementing conventional sewer systems with sustainable urban drainage systems (SUDS) for storm-water management. This may be the case for developing world cities like Dar es Salaam with incomplete sewer services, as well as cities like Copenhagen with fully developed sewer systems. This paper explores some theories relevant to understanding how the implementation of SUDS may be one option for supporting a transition towards sustainable urban water management (SUWM). Using interviews, document analysis and observation, a comparison of the opportunities and barriers to the implementation of SUDS in Dar es Salaam and Copenhagen is presented. The results indicate that a bottom-up approach in Dar es Salaam is important, with the community level taking the lead, while in Copenhagen the top-down approach currently employed is promising. The ability of the institutional frameworks of both cities to support the implementation of SUDS is also discussed.

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Rentachintala, Lakshmi Raghu Nagendra Prasad, M. G. Muni Reddy et Pranab Kumar Mohapatra. « Urban stormwater management for sustainable and resilient measures and practices : a review ». Water Science and Technology 85, n^o 4 (22 janvier 2022) : 1120–40. http://dx.doi.org/10.2166/wst.2022.017.

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Abstract Stormwater drainage in urban areas has become a challenge due to the rapid and random growth of urban areas, removal of vegetation, reduction in the effectiveness of drainage infrastructure, and climate change. Sustainable Urban Drainage Systems (SUDS), Low Impact Development (LID), Best Management Practices (BMP), Water Sensitive Urban Design (WSUD) and the Sponge City Programme (SCP) are various aspects for urban stormwater management in a few parts of the world. Urban hydrology plays a vital role in the urban stormwater management system. However, optimal results can only be possible when the combined effect of climate change, land use patterns, reuse, treatment, ecology, and societal aspects are considered. There is a need to provide sustainable and resilient urban drainage systems to manage stormwater more efficiently. The present review has thoroughly discussed various features related to urban stormwater management, highlighted key drivers, identified knowledge gaps in each of the measures and/or practices, recommended future research needs of urban stormwater management to become sustainable and resilient. Integrated modelling approaches considering various key drivers including reuse and real time governance enables stormwater management to be sustainable and resilient in urban environments.

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El Hattab, Mohamad H., Georgios Theodoropoulos, Xin Rong et Ana Mijic. « Applying the Systems Approach to Decompose the SuDS Decision-Making Process for Appropriate Hydrologic Model Selection ». Water 12, n^o 3 (26 février 2020) : 632. http://dx.doi.org/10.3390/w12030632.

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Sustainable Urban Drainage Systems (SuDS) have gained popularity over the last few decades as an effective and optimal solution for urban drainage systems to cope with continuous population growth and urban sprawl. A SuDS provides not only resilience to pluvial flooding but also multiple other benefits, ranging from amenity improvement to enhanced ecological and social well-being. SuDS modelling is used as a tool to understand these complex interactions and to inform decision makers. Major developments in SuDS modelling techniques have occurred in the last decade, with advancement from simple lumped or conceptual models to very complex fully distributed tools. Several software packages have been developed specifically to support planning and implementation of SuDS. These often require extensive amounts of data and calibration to reach an acceptable level of accuracy. However, in many cases, simple models may fulfil the aims of a stakeholder if its priorities are well understood. This work implements the soft system engineering and Analytic Network Process (ANP) approaches in a methodological framework to improve the understanding of the stakeholders within the SuDS system and their key priorities, which leads to selecting the appropriate modelling technique according to the end-use application.

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Failache, Moises, Nívea Pons, Osni Pejon et Lázaro Zuquette. « Suitability Zoning for Sustainable Drainage Systems (SuDSs) : Application in a Basin in Southern Brazil ». Sustainability 14, n^o 5 (23 février 2022) : 2577. http://dx.doi.org/10.3390/su14052577.

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The objective of this study was to propose a set of procedures to assess areas regarding the suitability of sustainable drainage systems (SuDSs) with application in a basin in the urban area of São Carlos (Brazil). The assessment was based on an analysis of 39 attributes reflecting the infiltration conditions that control the functional and constructive aspects of the systems, including subsurface drainability, stability, and groundwater contamination potential, which control the degree of suitability of each plot of land. The data obtained through engineering geological mapping procedures and physical principles were used to characterize the area, which resulted in the division of the basin into five SuDS suitability zones, ranging from favorable to restrictive. The proposed procedures proved to be efficient for analyzing the suitability of different SuDS types and the zoning of an area into terrain units. This approach can help planners identify the most appropriate SuDS types for a given unit, optimize the efficiency/cost relationship, and foresee potential environmental and construction-related challenges. In other words, this procedure enables the assessment of the suitability of SuDSs for different unit terrain types with inexpensive and environmentally efficient technological procedures and resources and can be applied at a fine geographic scale.

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Yang, Yang, et Ting Fong May Chui. « Modeling and interpreting hydrological responses of sustainable urban drainage systems with explainable machine learning methods ». Hydrology and Earth System Sciences 25, n^o 11 (11 novembre 2021) : 5839–58. http://dx.doi.org/10.5194/hess-25-5839-2021.

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Abstract. Sustainable urban drainage systems (SuDS) are decentralized stormwater management practices that mimic natural drainage processes. The hydrological processes of SuDS are often modeled using process-based models. However, it can require considerable effort to set up these models. This study thus proposes a machine learning (ML) method to directly learn the statistical correlations between the hydrological responses of SuDS and the forcing variables at sub-hourly timescales from observation data. The proposed methods are applied to two SuDS catchments with different sizes, SuDS practice types, and data availabilities in the USA for discharge prediction. The resulting models have high prediction accuracies (Nash–Sutcliffe efficiency, NSE, >0.70). ML explanation methods are then employed to derive the basis of each ML prediction, based on which the hydrological processes being modeled are then inferred. The physical realism of the inferred hydrological processes is then compared to that would be expected based on the domain-specific knowledge of the system being modeled. The inferred processes of some models, however, are found to be physically implausible. For instance, negative contributions of rainfall to runoff have been identified in some models. This study further empirically shows that an ML model's ability to provide accurate predictions can be uncorrelated with its ability to offer plausible explanations to the physical processes being modeled. Finally, this study provides a high-level overview of the practices of inferring physical processes from the ML modeling results and shows both conceptually and empirically that large uncertainty exists in every step of the inference processes. In summary, this study shows that ML methods are a useful tool for predicting the hydrological responses of SuDS catchments, and the hydrological processes inferred from modeling results should be interpreted cautiously due to the existence of large uncertainty in the inference processes.

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Muthanna, Tone, Edvard Sivertsen, Dennis Kliewer et Lensa Jotta. « Coupling Field Observations and Geographical Information System (GIS)-Based Analysis for Improved Sustainable Urban Drainage Systems (SUDS) Performance ». Sustainability 10, n^o 12 (9 décembre 2018) : 4683. http://dx.doi.org/10.3390/su10124683.

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Urbanization and increased precipitation volumes and intensities due to climate change add pressure to the urban drainage system, resulting in increased flooding frequencies of urban areas and deteriorating water quality in receiving waters. Infiltration practices and the use of blue green infrastructure, also called Sustainable Urban Drainage Systems (SUDS), can limit, and, in some cases, reverse the effects of urbanization. However, adequate infiltration capacity is an essential parameter for the successful implementation. In this paper, a Geographical Information System (GIS)-based hydrology analysis for SUDS placements is coupled with field measurements using Modified Phillip Dunne infiltrometer tests. The case study area is the expansion of the campus at the Norwegian University of Science and Technology (NTNU) over the next decade. Infiltration in urban soils can be highly heterogenous over short distances. When comparing measured infiltration rates with physical characteristics of the soils showed that the physical characteristics are not a good indication of the infiltration potential in urban soils with a large degree of compaction. The results showed that measuring the infiltration potential combined with flow path analysis can greatly enhance the benefits of blue green infrastructure, with an up to 70% difference in area required for SUDS solutions for managing 90% of the annual precipitation.

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Feder, Marnie, Vernon Phoenix, Sarah Haig, William Sloan, Caetano Dorea et Heather Haynes. « Influence of biofilms on heavy metal immobilization in sustainable urban drainage systems (SuDS) ». Environmental Technology 36, n^o 21 (8 juin 2015) : 2803–14. http://dx.doi.org/10.1080/09593330.2015.1049214.

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Duffy, A., C. Jefferies, G. Waddell, G. Shanks, D. Blackwood et A. Watkins. « A cost comparison of traditional drainage and SUDS in Scotland ». Water Science and Technology 57, n^o 9 (1 mai 2008) : 1451–59. http://dx.doi.org/10.2166/wst.2008.262.

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The Dunfermline Eastern Expansion (DEX) is a 350 ha mixed development which commenced in 1996. Downstream water quality and flooding issues necessitated a holistic approach to drainage planning and the site has become a European showcase for the application of Sustainable Urban Drainage Systems (SUDS). However, there is minimal data available regarding the real costs of operating and maintaining SUDS to ensure they continue to perform as per their design function. This remains one of the primary barriers to the uptake and adoption of SUDS. This paper reports on what is understood to be the only study in the UK where actual costs of constructing and maintaining SUDS have been compared to an equivalent traditional drainage solution. To compare SUDS costs with traditional drainage, capital and maintenance costs of underground storage chambers of analogous storage volumes were estimated. A whole life costing methodology was then applied to data gathered. The main objective was to produce a reliable and robust cost comparison between SUDS and traditional drainage. The cost analysis is supportive of SUDS and indicates that well designed and maintained SUDS are more cost effective to construct, and cost less to maintain than traditional drainage solutions which are unable to meet the environmental requirements of current legislation.

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Nóblega-Carriquiry, Andrea. « Contributions of Urban Political Ecology to sustainable drainage transitions ». Documents d'Anàlisi Geogràfica 68, n^o 2 (18 mai 2022) : 363–91. http://dx.doi.org/10.5565/rev/dag.701.

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This article aims to demonstrate how critical urban geography and Urban Political Ecology (UPE) can provide analytical tools to fully incorporate the social dimension in Sustainable Urban Drainage Systems (SUDS), overcoming ageographical and depoliticized understandings of sustainable stormwater transitions. Through its socio-technical framework, Sustainability Transitions Theory (STT) has contributed significantly to the discourses around governance, infrastructure and management of the new stormwater paradigm from hazard to resource. However, the theory fails to recognise the complexities that geographical, historical and political dynamics introduce into this process, as questions arise regarding why, how and for whom stormwater becomes a resource. The article argues that UPE can offer insights into why and how drainage transitions may take place in specific contexts, considering aspects of sustainability, social equity, justice and democracy.

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Tota-Maharaj, Kiran, et Colin Hills. « Long-term Environmental Performance of Stormwater Biofiltration Sorption Media in Sustainable Drainage Systems (SuDS) ». Journal of Environmental Science and Management 26, n^o 1 (30 juin 2023) : 72–84. http://dx.doi.org/10.47125/jesam/2023_1/06.

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In this climate impacted world, there is an increasing need for countries facing potential water extremes to improve the reuse potential of grey water and storm water. By implementing best management practices for the treatment of stormwater and urban run-off, contaminants can be removed, and the water recycled and reused. The effectiveness of stormwater treatment is impacted by the clogging of equipment or where contaminant storage exceeds performance design. Poorly or untreated stormwater runoff can impact the environment through the release of total dissolved solids (TDS), suspended solids (turbidity), phosphate, ammonia, and elevated chemical and biochemical oxygen demand (COD and BOD, respectively). This study evaluated the hydraulic and environmental performance of gravity flow stormwater filters over a three-year period with the average filter life cycle four months. Six bespoke gravity stormwater filters employing sorbent pillows, and including peat moss, were tested for their effectiveness, including for nitrite and nitrate. An improvement in water quality of 80-98% was recorded. Oil and grease were managed effectively (peat moss and sorbent pillows reduced BOD, COD, color, and turbidity) but not significantly when compared to conventional filter media. The findings demonstrate that stormwater biofilters can be an innovative, low-cost, and sustainable solution for both urban and sub-urban runoff management, addressing water quality and resource quantity challenges.

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Scheiber, Laura, Marc Teixidó, Rotman Criollo, Francesc Labad, Enric Vázquez-Suñé, María Izquierdo, María José Chesa Marro et Daniel de Castro. « ASSET project : assessing sustainable urban drainage system (SUDS) efficiency to reduce urban runoff water contamination ». Advances in Geosciences 59 (18 novembre 2022) : 37–44. http://dx.doi.org/10.5194/adgeo-59-37-2022.

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Abstract. Increase of population in the current climate change scenario requires to ensure the quality of groundwater available as well as to control possible incomes of pollution into the subsurface system. The objective of this work was to evaluate the current quality of groundwater and the risk of infiltration of surface contaminants into the aquifers customizing the DRASTIC method including potential flood areas and areas with high risk of surface pollution. Hydrogeological, hydrochemical and isotopic data compiled and measured show the aquifer behavior and the main attenuation and degradation of contaminants. The vulnerability to contamination of Barcelona aquifers by direct surface contaminants is relatively low considering flood areas and traffic. However, there is a relevant area where this risk is relatively high. Nevertheless, it is required further analyses considering the drainage network of the city including as well the geometry of Sustainable Urban Drainage Systems (SUDS) already installed. The knowledge of the aquifer hydrogeological characteristics and its quality together with the identification of vulnerable to contamination areas may lead to improve the installation of SUDS, reducing the input of contaminants through these infrastructures. The implementation of this methodology aims to facilitate water users and urban managers to control their potential negative effects on the receiving water body. In addition, the outcomes of its application may be used to optimize the groundwater management in the city.

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Gnecco, Ilaria, Francesca Pirlone, Ilenia Spadaro, Fabrizio Bruno, Maria Cristina Lobascio, Sabrina Sposito, Michele Pezzagno et Anna Palla. « Participatory Mapping for Enhancing Flood Risk Resilient and Sustainable Urban Drainage : A Collaborative Approach for the Genoa Case Study ». Sustainability 16, n^o 5 (27 février 2024) : 1936. http://dx.doi.org/10.3390/su16051936.

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Planning for resilient cities requires an evidence-based understanding of flood risk and the involvement of stakeholders and local actors. The paper addresses research developed within the URCA!—Urban Resilience to Climate Change: to activate the participatory mapping and decision support tool for enhancing sustainable urban drainage—project. A top-down/bottom-up participatory and flexible methodology for the conception of participatory mapping aimed at the planning and installation of sustainable urban drainage systems (SUDS) on the territory is then developed. The innovative methodology is applied and tested in the case study of the Sampierdarena district in Genoa, northern Italy. This research paper illustrates the development of a participatory map (Pmap) that can support the implementation of SUDS as mitigation/adaptation strategies, integrating technical assessment and containing community visions and expectations. Findings concerning the connections between proposed SUDS locations and their frequencies confirm the relevance of the commercial area and the main traffic lanes along, confirming that all zones characterized by intense vehicular and pedestrian flow are suitable for SUDS as a solution to contribute to urban flood resilience. The georeferenced and intergenerational Pmap may be integrated into a decision support system to be developed as a guidance tool for the public administration.

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Oladunjoye, Oluwayemi A., David G. Proverbs, Beck Collins et Hong Xiao. « A cost-benefit analysis model for the retrofit of sustainable urban drainage systems towards improved flood risk mitigation ». International Journal of Building Pathology and Adaptation 38, n^o 3 (7 octobre 2019) : 423–39. http://dx.doi.org/10.1108/ijbpa-12-2018-0105.

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Purpose The Environment Agency estimates that one in six homes in England (approximately 5.2m properties) are at risk from flooding and 185,000 commercial properties are located in flood-prone areas. Further, an estimate of 10,000 new homes are built on flood plains yearly. The UK has witnessed a significant increase in flood events over the past 10 years. During this period, there has been growing research attention into measures to mitigate the effects of flooding, including the benefits of deploying sustainable urban drainage systems (SuDs) in new developments or as a retrofit. The purpose of this paper is to present the development of a cost-benefit analysis model for the retrofit of SuDs focusing on the potential for improved flood risk mitigation in the context of commercial properties. Design/methodology/approach A synthesis of flood risk management and SuDs literature is used to inform the development of a conceptual cost-benefit analysis model for the retrofit of SuDs and focusing on the potential for improved flood risk mitigation in the context of commercial properties. Findings SuDs have been applied successfully in different parts of the world; however, the uptake of SuDs, in particular, the retrofit of SuDs, has been restricted by a number of issues including a lack of experience and trust in their performance and a lack of understanding in their true benefits. In particular, there is the limited experience of retrofitting SuDs and there are no well-established procedures for evaluating the feasibility, value or cost effectiveness of doing this. Social implications This offers the potential to support the UK government’s flood risk management policy by helping to increase the resilience of properties, whilst offering other benefits to communities such as improvements in air quality and biodiversity and also presenting a clearer understanding of the monetary and non-monetary implication to owners of commercial properties for a more informed and acceptable uptake of SuDs retrofit. Originality/value The proposed model will allow a more comprehensive understanding of the costs and associated benefits associated with SuDs retrofit, highlighting the flood risk mitigation benefits that might accrue over a period of time for commercial property.

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Eulogi, Marco, Sonja Ostojin, Pete Skipworth, Stefan Kroll, James D. Shucksmith et Alma Schellart. « Optimal Positioning of RTC Actuators and SuDS for Sewer Overflow Mitigation in Urban Drainage Systems ». Water 14, n^o 23 (25 novembre 2022) : 3839. http://dx.doi.org/10.3390/w14233839.

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Real-time control (RTC) and sustainable drainage systems (SuDS) can be implemented simultaneously to enhance the performance of existing urban drainage systems (UDS). However, significant challenges arise when choosing the optimal locations due to hydraulic interactions between the different interventions and the high number of possible configurations. This paper presents a novel optimization–simulation framework to optimize the spatial allocation of flow control devices (FCDs) combined with SuDS for combined sewer overflow (CSO) spill mitigation within UDS. Optimal intervention schemes were identified by a genetic algorithm (GA), combining different numbers of FCDs installed in existing manholes with simplified SuDS implemented in different portions of the catchment. The methodology was tested on two case-study catchments with different characteristics to mitigate CSO spills during synthetic storm events. FCD-SuDS configurations were then validated during continuous rainfall series, resulting in CSO spill volumes reduction ranging between 11% and 45% compared to the baseline networks. The results demonstrate how the GA-based method can efficiently identify optimal placement schemes within UDS characterized by different distributions of in-pipe storage potential as well as hydrological responses to rainfall-runoff events, enhancing the combined benefits of the two decentralized solutions for mitigating CSO spills.

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Zubelzu, Sergio, Leonor Rodríguez-Sinobas, Alvaro Sordo-Ward, Alan Pérez-Durán et Rodolfo Cisneros-Almazán. « Multi-Objective Approach for Determining Optimal Sustainable Urban Drainage Systems Combination at City Scale. The Case of San Luis Potosí (México) ». Water 12, n^o 3 (16 mars 2020) : 835. http://dx.doi.org/10.3390/w12030835.

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A method for determining the optimal Sustainable Urban Drainage Systems (SUDs) combination at city scale is presented in this paper. A comprehensive set of SUDs categories comprising infrastructures aimed at either detaining and locally reusing or infiltrating precipitation are considered. A volumetric water balance is proposed for modelling hydrological processes in urban catchments. A multi-criteria approach combining a cost function and aims for both recharging aquifers and limiting runoff contribution to water courses is proposed to find the optimal SUDs combination. The water balance was run with each possible SUDs combination and the optimal set of SUDs was found. The method was applied to the Metropolitan Area of San Luis Potosí (Mexico). The optimal solutions in this case clearly promoted surface runoff detention and reuse over porous pavements and green roofs but they were sensitive to the considered costs. The SUD requirements to potential new urban developments for each catchment to comply with the original hydrological aims were also studied. The method requires customizing the cost function and using representative climatic data.

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Ferrans, Pascual, Julian David Reyes-Silva, Peter Krebs et Javier Temprano. « Flood Management with SUDS : A Simulation–Optimization Framework ». Water 15, n^o 3 (20 janvier 2023) : 426. http://dx.doi.org/10.3390/w15030426.

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Urbanization and climate change are the main driving force in the development of sustainable strategies for managing water in cities, such as sustainable urban drainage systems (SUDS). Previous studies have identified the necessity to develop decision-making tools for SUDS in order to adequately implement these structures. This study proposes a simulation–optimization methodology that aims to ease the decision-making process when selecting and placing SUDS, with the specific goal of managing urban flooding. The methodology was applied to a real case study in Dresden, Germany. The most relevant variables when selecting SUDS were the spatial distribution of floods and the land uses in the catchment. Furthermore, the rainfall characteristics played an important role when selecting the different SUDS configurations. After the optimal SUDS configurations were determined, flood maps were developed, identifying the high potential that SUDS have for reducing flood volumes and depth, but showing them to be quite limited in reducing the flooded areas. The final section of the study proposes a combined frequency map of SUDS implementation, which is suggested for use as a final guide for the present study. The study successfully implemented a novel methodology that included land-use patterns and flood indicators to select SUDS in a real case study.

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Allende-Prieto, Cristina, Jorge Roces-García et Luis Ángel Sañudo-Fontaneda. « The High-Resolution Calibration of the Topographic Wetness Index Using PAZ Satellite Radar Data to Determine the Optimal Positions for the Placement of Smart Sustainable Drainage Systems (SuDS) in Urban Environments ». Sustainability 16, n^o 2 (10 janvier 2024) : 598. http://dx.doi.org/10.3390/su16020598.

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This study addresses the growing interest in utilizing remote sensing tools for locating sustainable drainage systems (SuDS) in urban environments. SuDS, recognized as Nature-based Solutions (NbS), play a crucial role in enhancing urban resilience against climate change. This study focuses on the calibration process required to establish a correlation between the Topographic Wetness Index (TWI), derived from high-precision digital elevation models (DEMs), and soil moisture (SM) data obtained from satellite imaging. This calibration serves as a method to optimize the placement of sustainable urban drainage system vegetated techniques in urban areas. This study leveraged the exceptional resolution of PAZ satellite radar data to effectively detect variations in SM, particularly in grass-type vegetated land. The sensitivity of the X-band radar signal to moisture levels and changes in ground roughness proved valuable in tracking SM dynamics. The core of the study involved deriving the TWI from a high-resolution digital terrain model (DTM). The correlation between the TWI and SM values demonstrates robustness, with an R2 value of 0.77. These findings significantly advance the calibration of TWI values with SM measurements, enhancing their practicality in identifying areas prone to water accumulation. The study’s outcomes provide valuable insights for guiding the strategic placement of SuDS in urban environments, contributing to the effective management of water-related challenges in the face of urbanization and climate change.

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García, Ana Isabel Abellán, et Juan C. Santamarta. « Scientific Evidence behind the Ecosystem Services Provided by Sustainable Urban Drainage Systems ». Land 11, n^o 7 (8 juillet 2022) : 1040. http://dx.doi.org/10.3390/land11071040.

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Urban green infrastructure such as sustainable urban drainage systems are potential providers of ecosystem services. This paper reviews the field studies that empirically verify the potential benefits of SUDS. The cultural, provisioning, supporting, and regulating ecosystem services investigated in real cases have been studied and classified according to climatology (except for the control of urban hydrology, which has been widely corroborated). Although successful cases of runoff decontamination are numerous, there is heterogeneity in the results of the systems beyond those associated with climatic differences. The other ecosystem services have not been as widely studied, giving very variable and even negative results in some cases such as climate change control (in some instances, these techniques can emit greenhouse gases). Installations in temperate climates are, by far, the most studied. These services derive from the biological processes developed in green infrastructure and they depend on climate, so it would be advisable to carry out specific studies that could serve as the basis for a design that optimizes potential ecosystem services, avoiding possible disservices.

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Agostinho, Mariele De Souza Parra, et Cristiano Poleto. « SISTEMAS SUSTENTÁVEIS DE DRENAGEM URBANA : DISPOSITIVOS ». Holos Environment 12, n^o 2 (13 décembre 2012) : 121. http://dx.doi.org/10.14295/holos.v12i2.3054.

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O processo de urbanização acarretou inúmeras alterações ambientais, modificando o funcionamento do ciclo hidrológico local, provocando frequentes enchentes, diminuição da infiltração de água no solo e erosões. Uma nova alternativa para auxiliar na melhoria do equilíbrio ambiental de bacias hidrográficas urbanas é o SUDS (Sustainable Urban Drainage Systems). Esse sistema é uma evolução do conceito de drenagem urbana convencional, pois objetiva solucionar ou amenizar problemas de erosão e, ainda, aumentar das taxas de infiltração de água na bacia hidrográfica. Isso se torna possível por intermédio de sistemas elaborados para aumentar a infiltração da água pluvial no solo e reduzir o escoamento superficial que tem como destino os corpos d’água da bacia urbanizada. Esse artigo tem como objetivo apresentar os principais dispositivos ligados ao conceito do SUDS e suas principais vantagens e desvantagens. Pôde-se concluir que o SUDS, em geral, oferece uma boa relação entre o custo-benefício para sua implantação em áreas urbanas.

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Norris, M. J., I. D. Pulford, H. Haynes, C. C. Dorea et V. R. Phoenix. « Treatment of heavy metals by iron oxide coated and natural gravel media in Sustainable urban Drainage Systems ». Water Science and Technology 68, n^o 3 (1 août 2013) : 674–80. http://dx.doi.org/10.2166/wst.2013.259.

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Sustainable urban Drainage Systems (SuDS) filter drains are simple, low-cost systems utilized as a first defence to treat road runoff by employing biogeochemical processes to reduce pollutants. However, the mechanisms involved in pollution attenuation are poorly understood. This work aims to develop a better understanding of these mechanisms to facilitate improved SuDS design. Since heavy metals are a large fraction of pollution in road runoff, this study aimed to enhance heavy metal removal of filter drain gravel with an iron oxide mineral amendment to increase surface area for heavy metal scavenging. Experiments showed that amendment-coated and uncoated (control) gravel removed similar quantities of heavy metals. Moreover, when normalized to surface area, iron oxide coated gravels (IOCGs) showed poorer metal removal capacities than uncoated gravel. Inspection of the uncoated microgabbro gravel indicated that clay particulates on the surface (a natural product of weathering of this material) augmented heavy metal removal, generating metal sequestration capacities that were competitive compared with IOCGs. Furthermore, when the weathered surface was scrubbed and removed, metal removal capacities were reduced by 20%. When compared with other lithologies, adsorption of heavy metals by microgabbro was 10–70% higher, indicating that both the lithology of the gravel, and the presence of a weathered surface, considerably influence its ability to immobilize heavy metals. These results contradict previous assumptions which suggest that gravel lithology is not a significant factor in SuDS design. Based upon these results, weathered microgabbro is suggested to be an ideal lithology for use in SuDS.

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Dierkes, Carsten, Terry Lucke et Brigitte Helmreich. « General Technical Approvals for Decentralised Sustainable Urban Drainage Systems (SUDS)—The Current Situation in Germany ». Sustainability 7, n^o 3 (13 mars 2015) : 3031–51. http://dx.doi.org/10.3390/su7033031.

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Ramos, Helena M., et Mohsen Besharat. « Urban Flood Risk and Economic Viability Analyses of a Smart Sustainable Drainage System ». Sustainability 13, n^o 24 (15 décembre 2021) : 13889. http://dx.doi.org/10.3390/su132413889.

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Urban drainage systems are in transition from functioning simply as a transport system to becoming an important element of urban flood protection measures providing considerable influence on urban infrastructure sustainability. Rapid urbanization combined with the implications of climate change is one of the major emerging challenges. The increased concerns with water security and the ageing of existing drainage infrastructure are new challenges in improving urban water management. This study carried out in the Seixal area in Portugal examines flood risk analyses and mitigation techniques performed by computational modelling using MIKE SHE from the Danish Hydraulic Institute (DHI). Several scenarios were compared regarding flood risk and sustainable urban drainage systems (SuDS) efficiency. To obtain a more accurate analysis, the economic viability of each technique was analyzed as well through (i) life cost analysis and (ii) taking into account the damages caused by a certain type of flood. The results present that the best scenario is the one that will minimize the effects of great urbanization and consequently the flood risk, which combines two different measures: permeable pavement and detention basin. This alternative allows us to fully explore the mitigation capacity of each viable technique, demonstrating a very important improvement in the flood mitigation system in Seixal.

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Lähde, Elisa, Ambika Khadka, Outi Tahvonen et Teemu Kokkonen. « Can We Really Have It All?—Designing Multifunctionality with Sustainable Urban Drainage System Elements ». Sustainability 11, n^o 7 (28 mars 2019) : 1854. http://dx.doi.org/10.3390/su11071854.

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Multifunctionality is seen as one of the key benefits delivered by sustainable urban drainage systems (SUDS). It has been promoted by both scientific research and practical guidelines. However, interrelations between different benefits are vaguely defined, thus highlighting a lack of knowledge on ways they could be promoted in the actual design process. In this research, multifunctionality has been studied with the help of scenario analysis. Three stormwater scenarios involving different range of SUDS elements have been designed for the case area of Kirstinpuisto in the city of Turku, Finland. Thereafter, the alternative design scenarios have been assessed with four criteria related to multifunctionality (water quantity, water quality, amenity, and biodiversity). The results showed that multifunctionality could be analyzed in the design phase itself, and thus provided knowingly. However, assessing amenity and biodiversity values is more complex and in addition, we still lack proper methods. As the four criteria have mutual interconnections, multifunctionality should be considered during the landscape architectural design, or else we could likely lose some benefits related to multifunctionality. This reinforces emerging understanding that an interdisciplinary approach is needed to combine ecological comprehension together with the system thinking into SUDS design, locating them not as individual elements or as a part of the treatment train, but in connection with wider social ecological framework of urban landscape.

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Jodra-Lopez, Rodrigo, Alvaro Sordo-Ward, Ivan Gabriel-Martin et Luis Garrote. « Effects of Key Properties of Rainfall Series on Hydrologic Design of Sustainable Urban Drainage Systems (SUDS) ». Proceedings 7, n^o 1 (15 novembre 2018) : 17. http://dx.doi.org/10.3390/ecws-3-05827.

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The aims of this study are to quantify the effects of key properties of rainfall time series on the hydrologic design of sustainable urban drainage systems (SUDS) to test a method for their estimation from daily time series and to quantify their uncertainty. Several typologies of SUDS infrastructures are designed to achieve a target treatment capacity. This target capacity is usually defined according to two methods: treating a percentage of the total volume of rainfall (50, 80, 90, 95, 99%) or treating a percentage of the total number of rainfall events (50, 80, 90, 95, 99%). We considered the city of Madrid as the case study, compiling 58 years of observed data (10-minutetime step) and aggregating to daily time series. We obtained the design parameters from the full resolution dataset and for different storm thresholds (0, 1 and 2 mm). Second, we determined the design parameters from the aggregated daily time series by applying a temporal stochastic rainfall generator model (RainSimV3). Finally, we estimated the model parameters from daily data and generated 100 series of 58 years at 10-minute time step, then compared the results. Results showed a good agreement compared to the 10-minute time step rainfall series. The different thresholds selected do not affect in a relevant way the calculation by percentage of the total volume; in the case of calculation by events, the threshold can vary the design volume for up to 30%. Further research includes the analysis of different climate locations.

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Lan, Nguyen Hoang My, Ho Huu Loc, Phan Dinh Bich Van, Vo Le Phu et Le Van Trung. « Factors impacting community’s prioritization towards the benefits of Sustainable Urban Drainage Systems : A case study of Nhieu Loc – Thi Nghe sub-basin, Ho Chi Minh City ». Science & ; Technology Development Journal - Social Sciences & ; Humanities 4, n^o 4 (6 décembre 2020) : First. http://dx.doi.org/10.32508/stdjssh.v4i4.604.

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Sustainable Urban Drainage System (SUDS) includes various drainage techniques designed to reduce the run-off flow, improve the water quality, and provide amenity or landscape features. However, selecting the appropriate SUDS technique depends on not only the technical characteristics but also the community's perception and preference. Therefore, this study aims to determine the impact factors on the probability of households' prioritization towards SUDS benefits in the context of Nhieu Loc - Thi Nghe sub-basin, including the benefits of flood reduction, environmental enhancement, and landscape improvement. Data processing methods used in this study consist of statistical tests and ordinal regression using SPSS software. The regression results show that the overall accurate prediction rate for the 3 priority levels of SUDS benefits ranges from 50% to 70%. Factors that statistically significantly influence the priority include household income, knowledge of SUDS, frequency of flooding, depth of flooding, the distance to the nearest park, the distance to the nearest water body, and the distance to the nearest flooded location. In particular, the proximity to the nearest park affects the priority choice for all SUDS benefits with the principle that households near the park will probably choose higher priority to SUDS benefits than those living further.

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