Multifunctional urban flood resilience enhancement strategies

Mugume, Seith N.; Melville‐Shreeve, Peter; Gómez, Diego E.; Butler, David

doi:10.1680/jwama.15.00078

Cited by 16 publications

(16 citation statements)

References 29 publications

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“…for providing water and energy) towards a more circular model (EEA, 2015). As engineering cannot solve these challenges alone, socio-technical solutions are necessary to reach truly adaptable and resilient water systems.The concept of resilience plays a key part in the analysis detailed by Mugume et al (2017). Resilience-based approaches assess the continuity and efficiency of system functioning during or after the occurrence of a system failure.…”

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confidence: 99%

“…The interplay between these two grand challenges is remarkably demonstrated by the first two contributions in this issue. In a briefing article, Caffoor et al (2017) report on an on-going initiative aimed at delivering disruptive socio-technical solutions for water service provision; whereas the paper of Mugume et al (2017) investigates the influence of rainwater harvesting on the resilience of urban drainage systems to flooding. Caffoor et al (2017) reflect on the sustainability of current water supply systems, which rely heavily on centralised, ageing and rapidly deteriorating buried infrastructure.…”

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confidence: 99%

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confidence: 99%

“…In contrast to the resilience approach described by Mugume et al (2017), the analysis presented by Celeste and Ventura (2017) uses vulnerability ratios to assess the performance of reservoir management based on 100 synthetic inflow scenarios. Vulnerability is defined here as a measure of the magnitude of system failures.…”

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confidence: 99%

“…While innovative sensing techniques using autonomous vehicles could be game-changing to achieve cost-effective asset rehabilitation, alternate options include the development of water treatment at the point of use and the use of distributed sources from green infrastructure such as sustainable urban drainage. Particularly, rainwater harvesting has the potential to deliver multiple benefits in terms of water supply, water quality compliance and storm water control, as also exposed by Mugume et al (2017). Caffoor et al (2017) go one step further by highlighting the natural linkage between water and energy infrastructure, viewing the former as an opportunity for distributed energy storage, heat transfer and recovery, as well as distributed generation of renewable energy.…”

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confidence: 99%

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Editorial

Dewals

2017

Proceedings of the Institution of Civil Engineers - Water Manag

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Achieving sustainable clean water for all and managing urban flood risk are two grand challenges for our societies. Both of them are strongly linked to climate change, urbanisation and ageing of infrastructures. Addressing them requires new paradigms to be developed through novel multi-and interdisciplinary approaches involving engineering and other disciplines, such as governance. The interplay between these two grand challenges is remarkably demonstrated by the first two contributions in this issue. In a briefing article, Caffoor et al. (2017) report on an on-going initiative aimed at delivering disruptive socio-technical solutions for water service provision; whereas the paper of Mugume et al. (2017) investigates the influence of rainwater harvesting on the resilience of urban drainage systems to flooding. Caffoor et al. (2017) reflect on the sustainability of current water supply systems, which rely heavily on centralised, ageing and rapidly deteriorating buried infrastructure. While innovative sensing techniques using autonomous vehicles could be game-changing to achieve cost-effective asset rehabilitation, alternate options include the development of water treatment at the point of use and the use of distributed sources from green infrastructure such as sustainable urban drainage. Particularly, rainwater harvesting has the potential to deliver multiple benefits in terms of water supply, water quality compliance and storm water control, as also exposed by Mugume et al. (2017).Caffoor et al. (2017) go one step further by highlighting the natural linkage between water and energy infrastructure, viewing the former as an opportunity for distributed energy storage, heat transfer and recovery, as well as distributed generation of renewable energy. These issues relate closely to an overarching objective of sustainable cities, which consists of moving from an open system depending on the hinterland (e.g. for providing water and energy) towards a more circular model (EEA, 2015). As engineering cannot solve these challenges alone, socio-technical solutions are necessary to reach truly adaptable and resilient water systems.The concept of resilience plays a key part in the analysis detailed by Mugume et al. (2017). Resilience-based approaches assess the continuity and efficiency of system functioning during or after the occurrence of a system failure. Mugume et al. (2017) apply the so-called global resilience analysis method to evaluate the performance of the wide-scale implementation of dual-purpose rainwater harvesting for a case study in Kampala, Uganda. A broad range of failure scenarios is tested, involving random cumulative failures in the links in the urban drainage network. For each scenario, the residual functionality of the system is quantified. In the considered case study, the catchment-scale implementation of multifunctional systems proves more effective than conventional single-objective approaches for reducing impacts of urban flooding. The most promising results are obtained for strategies combining rai...

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confidence: 99%

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confidence: 99%

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confidence: 99%

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confidence: 99%

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confidence: 99%

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Editorial

Dewals

2017

Proceedings of the Institution of Civil Engineers - Water Manag

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A media framing analysis of urban flooding in Nigeria: current narratives and implications for policy

Adekola

Lamond

2017

Reg Environ Change

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A critical element of current flood management is the importance of engaging key policy actors when policy decisions are to be made. However, there is still only limited understanding of how narratives of flood management actors may influence flood management policies, even though there is a suggestion that actors can strategically use their narratives to influence policy directions. In a developing country like Nigeria, there are still questions around lessons that can be learnt from understanding the narratives of policy actors, to unravel the complex nature of strategies and policy directions in managing urban floods. To help fill these gaps, this paper uses quantitative content analysis to explore the frame of five policy actor groups (government, local communities, business, multilateral organisations and non-governmental organisations (NGOs)) as expressed in local and national newspapers between 2012 and 2016 to understand their narratives of causes and strategies to solve the problem of urban flooding in Nigeria. The narratives of government, local communities and businesses align with the premise that flooding can and should be prevented whilst that of multilateral and business actors champion adaptation strategies on the basis that flooding is inevitable and hence more energy should be directed at 'living with water'-emergency response, damage reduction and the aftermath. The study also identified areas of potential consensus and conflict between direct actors such as government and local communities on the one hand and funders on the other. Better discussion among actors aiding understanding of contemporary thinking and local realities will aid policy-making and policy implementation in the Nigerian context. An important step will be in the collaborative design of an urgently needed 'Nigerian policy on flooding' which currently does not exist.

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An impact assessment for urban stormwater use

Lundy

Revitt

Ellis

2017

Environ Sci Pollut Res

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The adoption of stormwater collection and use for a range of non-potable applications requires that the perceived risks, particularly those associated with public health, are addressed. Pollutant impacts have been assessed using E. coli and a scoring system on a scale of 0 to 5 to identify the magnitude of impacts and also the likelihood of exposure to stormwater during different applications. Combining these identifies that low or medium risks are generally predicted except for domestic car washing and occupational irrigation of edible raw food crops where the predicted high risk would necessitate the introduction of remedial actions.

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Multifunctional urban flood resilience enhancement strategies

Cited by 16 publications

References 29 publications

Editorial

Editorial

A media framing analysis of urban flooding in Nigeria: current narratives and implications for policy

An impact assessment for urban stormwater use

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