From conventional drainage to sustainable stormwater management: Beyond the technical challenges

Goulden, Shula; Portman, Michelle Ε.; Carmon, Naomi; Alon–Mozes, Tal

doi:10.1016/j.jenvman.2018.04.066

Cited by 72 publications

(31 citation statements)

References 41 publications

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“…With the aging of conventional drainage systems, the problems of flooding, CSO discharges and sewer infiltration and exfiltration have been aggravating, requiring complex and expensive maintenance and repair interventions [2][3][4]. Over the past few decades, many countries have been implementing sustainable drainage measures as a way of adapting urban systems to these problems while controlling stormwater effects at source and keeping them as close to natural conditions as possible [5,6].…”

Section: Introductionmentioning

confidence: 99%

Green Infrastructures in Stormwater Control and Treatment Strategies

Pereira

David

Galvão

2019

The 4th International Electronic Conference on Water Sciences

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Green infrastructures can provide multiple benefits and play an important role in cities' resilience to extreme stormwater events caused by climate change. Additionally, these techniques can contribute to the protection of transport infrastructures, averting major environmental and economical adversities. Stormwater can be treated through several processes, some processes being more effective than others for specific contaminants. A review of some of the most commonly used GI for stormwater management in urban environments was carried out, with emphasis on their efficiency in reducing peak flow rates, runoff volumes and the following pollutants: total suspended solids, heavy metals, total phosphorus and total nitrogen. The GI studied were green roofs, bioretention systems, filter strips, vegetated swales and trenches. In addition to the advantages in the urban water cycle, benefits of amenity and ecosystem services of these GI have also been identified. The discussion of the results and the comparative analysis of GI performance were carried out taking advantage of a table that summarizes the range of percentages of GI efficiency obtained in the various studies for the different functions.

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Section: Introductionmentioning

confidence: 99%

Green Infrastructures in Stormwater Control and Treatment Strategies

Pereira

David

Galvão

2019

The 4th International Electronic Conference on Water Sciences

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“…There are numerous other institutions that govern stormwater management in urban areas [29,30]. These include urban land-use planning and local statutes regarding the mandatory use of green roofs as well as local funding programs for decentralization measures, information campaigns, and even restrictions on the use of centralized systems.…”

Section: Introductionmentioning

confidence: 99%

Sustainable Stormwater Management in Existing Settlements—Municipal Strategies and Current Governance Trends in Germany

2019

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While a policy of more decentralized stormwater management is increasingly being pursued in areas containing new housing developments, the question arises as to how stormwater management is handled in existing settlements, where restructuring the drainage system is a much more complex affair and often requires the active involvement of property owners. Recognizing that the multidimensional objectives of stormwater management in settlements call for a range of local strategies, this article examines the interaction and strategic contribution of two key municipal institutions for regulating stormwater management, namely, compulsory connection and usage and stormwater charges, in order to examine how they meet these objectives when property owners are involved. The following questions are addressed: How do these two key institutions link the varied objectives of stormwater management with practical options for decentralization? Which institutional designs are capable of integrating property owners into a municipal stormwater strategy in a coherent manner? What is current local government practice? This article begins by analyzing the interactions between different objectives of stormwater management, the interplay of the two key institutions, and options for stormwater management on private properties. On this basis, we then present an empirical study of current practice in 44 medium to large cities in Germany. This shows that while local governments devise very different—and often inconsistent—institutional designs, decentralization is quite commonly pursued in existing settlements.

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“…Like ecosystem services, sustainable FR management outputs seek recognition and legitimacy (Melnychuk 2017). Not only should they be hydrologically sound, economically feasible, ecologically acceptable and publically supported-legitimate sustainable FR management also aims to meet local perception of floods and flood risks, echoes the prevailing socio-institutional factors and provokes lively discourse within the professional community (Goulden et al 2018). The latest bon ton of relating to NBS as a superior strategy (Keesstra et al 2018), while the actual relief, though plausible, is still evidence deprived and needs to be empirically scrutinized (Hegger et al 2016a, b;Niazi et al 2017) undermines the colossal multi-disciplinary efforts to provide NBS with a sound ground of evidence and hands-on legitimate experience.…”

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confidence: 99%

“…This process will add, shift and re-set some of the core assumptions underlying the "territorial intelligence" of the specific district/municipality, eventually expanding the capacities of FRM in a certain area (Kaufmann and Wiering 2017). Nature-based solutions as part of a whole-puzzle: Structured "window" to the specific case studies and their status in the light of the flood risk governance ecosystem are in need and they should elaborate on the following suggested topics: (1) Translation of flood risk Directive to national laws; (2) Establishment of new or rearranging existing watershed jurisdictions; (3) Institutional setting and funding to comply with the FRM in the light of the historical or expected flood impact; (4) FR "reflection" through the territorial intelligence prism; (5) Relevancy of the NBS in the light of hazard maps and risk maps-all of the above will provide the necessary framing, and ultimately, legitimacy, to the case (Dieperink et al 2016;Hegger et al 2016a;Goulden et al 2018;Kaufmann and Wiering 2017;Koop et al 2017Koop et al , 2018Nordin von Platen and Gustafsson 2018;Wiering et al 2018). A solid example for such a type of "structured" window would be the study of Hedelin (2016).…”

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confidence: 99%

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Commentary: Urban Wetlands Restoration as NBS for Flood Risk Mitigation: From Positive Case to Legitimate Practice, in the View of Evidence-Based Flood Risk Policy Making

Gutman

2019

Nature-Based Flood Risk Management on Private Land

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From a policy development and implementation perspective in the light of adaptive governance, the case of wetland restoration in Pilsen raises issues of extreme complexity faced by positive case "enablers" when about to upscale from small-scale solution to acknowledged wide-scale outcome. Topics such as a higher degree of compliance with the core conventions of the EU Flood Directive (hydrologically sound, evidence-based planning and execution) as well as with other policy stepping stones are suggested and discussed. Zooming in-From Flood risk Directive to NBS: Since the beginning of the 21st century, the persistent attempt to attack the "wicked problem" (Rittel and Webber 1973) of floods in a systematic manner has given rise to a variety of ideas and concepts. Integrated watershed (or catchment) management (IWM/ICM) is the keystone concept underlying the EU Flood Directive (2007/60/EC). In light of IWM principles, the Water Framework Directive (2000/60/EC) and the subsequent Floods Directive (2007/60/EC) refer to the watershed (catchment, basement) unit as the most appropriate framework to manage the ecological state of rivers and other water bodies as well as to manage flood risks. The reason behind this decision lies in the fact that the watershed is "just about right" for the intended function as it incorporates the entire water cycle in nature, the upstream and the downstream communities, the stressors causing or expanding the flood risk (FR) and the receptors of the flood risk (van Ruiten and Hartmann 2016). Only the watershed level allows full understanding of the structure and functioning of the eco-hydrological "big idea" on which the human activities are based. This "big idea" and the human dimensions in it allow for appropriate and resilient flood risk governance arrangements by informing where, why

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From conventional drainage to sustainable stormwater management: Beyond the technical challenges

Cited by 72 publications

References 41 publications

Green Infrastructures in Stormwater Control and Treatment Strategies

Green Infrastructures in Stormwater Control and Treatment Strategies

Sustainable Stormwater Management in Existing Settlements—Municipal Strategies and Current Governance Trends in Germany

Commentary: Urban Wetlands Restoration as NBS for Flood Risk Mitigation: From Positive Case to Legitimate Practice, in the View of Evidence-Based Flood Risk Policy Making

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