Evaluating natural infrastructure for flood management within the watersheds of selected global cities

Gunnell, Kelly; Mulligan, Mark; Francis, Robert A.; Hole, David G.

doi:10.1016/j.scitotenv.2019.03.212

Cited by 79 publications

(39 citation statements)

References 34 publications

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“…However, as our study highlighted, this depends on the type of management carried out. If the practices are extensive (ORCH), it is very likely that these areas can contribute to flood mitigation [82] and decrease the flood economic losses [83]. When agriculture areas are managed intensively (VINE and CROP), the capacity of these areas to retain flood is significantly reduced.…”

Section: Discussionmentioning

confidence: 99%

Agricultural and Forest Land-Use Impact on Soil Properties in Zagreb Periurban Area (Croatia)

et al. 2020

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In urban areas, land use usually increases soil degradation. However, there are areas occupied by agriculture and woodlands with an essential role in provisioning food and other services such as water and climate regulation. The objective of this work was to assess the effect of long-term land use and soil management practices on peri-urban soils in Zagreb (Croatia). Samples were collected at depth 0–10 cm within intensively tilled cropland (CROP) and vineyard (VINE), traditional grass-covered orchard (ORCH), and forest (FOR). The results showed that bulk density was significantly higher in VINE and CROP than in ORCH and FOR. The opposite dynamic was observed in water-holding capacity, air-filled porosity, aggregate stability, organic matter, and soil organic matter stocks (SOCS). Soil water infiltration was higher in FOR plot compared to the other plots. Overall, land-use change had a substantial impact on soil properties and SOCS, especially in CROP and VINE soils. Tillage, pesticides, and fertilizer applications were presumably the reasons for altered soil quality properties. Intensively used areas (VINE and CROPS) may reduce soil ecosystems services such as the capacity for flood retention and C sequestration.

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Section: Discussionmentioning

confidence: 99%

Agricultural and Forest Land-Use Impact on Soil Properties in Zagreb Periurban Area (Croatia)

et al. 2020

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“…To illustrate this aspect using flood risk management, some publications claim that the hybrid approach is the most widely used, followed by a green approach and then by a blue approach [50]. In contrast, others argue that the green approach, represented as a green storage, is modified and influenced by land cover and land-use change; thus, it is more vulnerable than the blue approach [23]. Despite its vulnerability, NBS propose a shift from the design and use of gray flood control infrastructure or NBS planning for water management [7].…”

Section: Nbs Typesmentioning

confidence: 99%

Nature-Based Solutions for Water Management in Peri-Urban Areas: Barriers and Lessons Learned from Implementation Experiences

et al. 2020

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Nature-based solutions (NBS) are defined by the European Commission as “actions that are inspired by, supported by, or copied from nature…” and that solve societal challenges and multiple benefits. As a result, NBS are often promoted as alternative responses that solve complex societal challenges such as watershed management, while delivering a systemic approach of multiple benefits for well-being, human health, and sustainable use of resources. Despite rising interest in NBS, further identification of experiences implementing NBS could advance our understanding of the operationalization of this comprehensive concept. For this purpose, we analyzed 35 peer-reviewed articles on implementation experiences of NBS for water management in peri-urban areas, on aspects related to (i) NBS problem–solution: water challenges, ecosystem services, scales, and types; (ii) NBS governance and management. From the insights of the analysis, this paper asks what lessons are learned, and which barriers are identified, from implementing NBS for water management in peri-urban areas? As a result, this study presents a detailed analysis of each aspect. We conclude by highlighting accountancy, monitoring, and communication as potential success factors for integration and development while diminishing the overall barrier of complexity, which leads to technical, institutional, economic, and social uncertainty.

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“…These include planting vegetation to maintain additional water, terracing hillsides to retard downhill flow and building flood control channels (artificial channels to divert flooding). There are also other technical methods and measures such as using dikes, dams, or reservoirs to maintain additional water during floods [18].…”

Section: Introductionmentioning

confidence: 99%

“…In many countries, flood-prone rivers are carefully managed [17,18]. Levees, bunds, reservoirs, and weirs are used to prevent rivers from breaking.…”

Section: Introductionmentioning

confidence: 99%

A New Integrated Scheme for Urban Road Traffic Flood Control Using Liquid Air Spray/Vaporization Technology

Zhang

Tang

et al. 2020

Sustainability

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With the rapid progress of urbanization, cities’ demands for traffic flood control are steadily on the increase, and people are gradually paying more attention to traffic safety and environmental issues. Considering the considerable convenience and service ability of liquid air and corresponding products, people have begun to switch to using liquid air as an emergency coolant. However, this air’s cryogenic operation and vigorous vaporization expansion restricts its widespread application. Our study explores innovative applications based on liquid air spray/evaporation icing and natural melting, which can be applied to urban flood protection. This study also includes a brief introduction to the nature of liquid air and road icing, a conceptual design based on liquid air flash evaporation (for urban flood protection), and the modeling and solving of natural road ice melting. This paper introduces many innovative key technologies, which include the rapid solidification of floods to form emergency ice dams or diversion channels and the application of liquid air spray to form icy roads for the temporary passage of small cars or pickup trucks. Additionally, the economic estimations are performed by using downtown traffic flood control in Wuhan as an example to showcase our innovative scheme for applying liquid air spray/vaporization for urban traffic flooding control, which is practical, pollution free, and cost effective. Our innovative scheme will be promising for flood control in modern cities.

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Evaluating natural infrastructure for flood management within the watersheds of selected global cities

Cited by 79 publications

References 34 publications

Agricultural and Forest Land-Use Impact on Soil Properties in Zagreb Periurban Area (Croatia)

Agricultural and Forest Land-Use Impact on Soil Properties in Zagreb Periurban Area (Croatia)

Nature-Based Solutions for Water Management in Peri-Urban Areas: Barriers and Lessons Learned from Implementation Experiences

A New Integrated Scheme for Urban Road Traffic Flood Control Using Liquid Air Spray/Vaporization Technology

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