Nature-based solutions for coastal resilience in South Africa

Knight, Jasper

doi:10.1080/03736245.2023.2193565

Cited by 5 publications

(9 citation statements)

References 187 publications

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“…If the system changes quickly and dramatically, then it is considered that the system has low resilience (high sensitivity) [54]. If the system's response is subdued and/or delayed, then it shows high resilience (low sensitivity) [11]. This provides a conceptual framework for considering forcing-response relationships.…”

Section: Coastline Resiliencementioning

confidence: 99%

“…Several studies have also considered how resilience can be enhanced along different types of coasts [11]. Sandy beaches can be nourished by dredging/pumping, building groynes, planting of the supratidal zone, building or maintaining offshore shoals/surf breaks and stabilizing the landward position of the beach with a sloping seawall, gabion, riprap, engineered beach ridge, low dune or sand fence [15] (Figure 4).…”

Section: Coastline Resiliencementioning

confidence: 99%

Section: Building Coastal Resilience With Naturementioning

confidence: 99%

“…Increasing the resilience of coastlines, including its landforms, is a key strategy to decrease the (negative) impacts of climate change, including higher rates of coastal erosion caused by rising sea levels and increased storminess [11,59,60]. Seeking ways in which coastal resilience can be increased by maintaining coastal landforms as green infrastructure may potentially have the impact of reducing the natural variability of the system and reducing the likelihood of extreme events affecting it [60,61] (Figure 6).…”

Section: Building Coastal Resilience With Naturementioning

confidence: 99%

“…This includes land use change, urbanization and infrastructure development [8]. These non-climatic forcings can also lead to changes in coastal geomorphology and sediment systems, which can have an impact on the ability of coastlines to withstand climate and weather events, termed their resilience [9][10][11]. This specific concept is explained in more detail below.…”

Section: Introductionmentioning

confidence: 99%

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The Green Infrastructure of Sandy Coastlines: A Nature-Based Solution for Mitigation of Climate Change Risks

Knight

2024

Sustainability

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Natural coastal landforms such as sand dunes and sandy beaches have been proposed as green infrastructure that can reduce climate change risks along coastlines. As such, they can offer a nature-based solution to rising sea levels, increased storminess and wave erosion associated with climate change. However, these proposed advantages are not always based on a sound understanding of coastal sediment system dynamics or tested against field evidence of coastal morphodynamic behavior. This study critically examines the basis of the claim for coastal landforms as green infrastructure, by considering how and in what ways these landforms provide resilience against ongoing climate change along sandy coasts, and proposes a theoretical framework for understanding this relationship. The analysis highlights that natural coastal landforms do not always have properties that provide resilience against future climate change. They can only be considered as offering nature-based solutions against climate change when their pre-existing morphodynamic behavior is fully understood. Thus, not all coastal landforms can be considered as ‘green infrastructure’ and the resilience offered by them against climate change forcing may vary from one place or context to another. This should be considered when using landforms such as sandy beaches and sand dunes as nature-based solutions for coastal management purposes. A 10-step framework is proposed, guiding coastal managers on how such green infrastructure can be used to mitigate climate change risks along coasts.

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Section: Coastline Resiliencementioning

confidence: 99%

Section: Coastline Resiliencementioning

confidence: 99%

Section: Building Coastal Resilience With Naturementioning

confidence: 99%

Section: Building Coastal Resilience With Naturementioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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The Green Infrastructure of Sandy Coastlines: A Nature-Based Solution for Mitigation of Climate Change Risks

Knight

2024

Sustainability

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Making a case for nature‐based solutions for a sustainable built environment in Africa

Aghimien,

Aliu,

Chan

et al. 2024

Sustainable Development

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The potential of using nature‐based solutions to address issues of climate change has continued to gain momentum, especially in developed nations. However, the same cannot be said for developing countries, particularly in Africa, where the knowledge and awareness of natural solutions are low, and research on their application within the built environment is scant. Using a sciento‐metric and narrative review of published literature, this paper makes a case for research exploration on nature‐based solutions for a sustainable built environment in Africa. The findings revealed an opportunity for significant research contributions on nature‐based solutions in addressing flood risk management, climate change and urban planning, water quality and carbon emission, sustainable development, and green infrastructure and urban development. These areas are the critical focus of past studies explored. Also, the findings offer guidance for further studies to be conducted in less explored areas, such as carbon sequestration, greenhouse gases, energy utilisation, indoor comfort, and numeric models for using nature‐based solutions within the African context. The findings of the study offer an excellent theoretical background to direct researchers and practitioners who seek to attain and promote sustainable built environments through nature‐based solutions, especially in Africa.

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Tourists’ perceptions of climate change awareness, impact, and response mechanisms in South African national parks

Maoela,

Nhamo,

Chapungu

et al. 2024

Development Southern Africa

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Nature-based solutions for coastal resilience in South Africa

Cited by 5 publications

References 187 publications

The Green Infrastructure of Sandy Coastlines: A Nature-Based Solution for Mitigation of Climate Change Risks

The Green Infrastructure of Sandy Coastlines: A Nature-Based Solution for Mitigation of Climate Change Risks

Making a case for nature‐based solutions for a sustainable built environment in Africa

Tourists’ perceptions of climate change awareness, impact, and response mechanisms in South African national parks

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