Maladaptive diffusion? The spread of hard protection to adapt to coastal erosion and flooding along island coasts in the Pacific and Indian Ocean

Klöck, Carola; Duvat, Virginie; Nunn, Patrick D.

doi:10.1007/s10113-022-01989-x

Cited by 9 publications

(1 citation statement)

References 52 publications

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“…Several studies focus on coastal adaptation to climate change and sea level (Bongarts Lebbe et al, 2021;Griggs and Reguero, 2021) and the institutional adaptive capacity building of Swedish coastal zone management (Storbjörk and Hedrén, 2011), others address path dependency in coastal cities of the Asia-Pacific (Nunn et al, 2021b) and proactive adaptation of rapidly changing coasts (Brown et al, 2017). Some highlight maladaptation of seawalls along island coasts (Nunn et al, 2021a) and the diffusion of hard protection to coastal erosion and flooding along island coasts in the Pacific and Indian Oceans (Klöck et al, 2022). In specific small and low-lying island contexts, also land reclamation and island raising are being implemented (Brown et al, 2023).…”

Section: Coastal Management and Protectionmentioning

confidence: 99%

Climate change and human security in coastal regions

Petzold,

Scheffran

2024

Camb. prisms Coast. futures

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Climate change has been recognised as a major concern in coastal hotspots exposed to multiple climate hazards under regionally specific characteristics of vulnerability. We review the emerging research and current trends in the academic literature on coastal climate risk and adaptation from a human security perspective. The ecological and socioeconomic developments are analysed for key risk areas, including coastal infrastructure; water, food and fisheries; health; human mobility; and conflict, taking the different geographical contexts of coastal areas in islands, megacities and deltas into consideration. Compounding and cascading interactions require integrative research and policy approaches to address the growing complexity. Governance mechanisms focus on coastal management and adaptation, nature-based solutions and community-based adaptation, considering their synergies and trade-offs. This perspective allows for a holistic view on climate risks to human security and vicious circles of societal instability in coastal systems and the interconnectedness of different risk dimensions and systems necessary for sustainable and transformative adaptation solutions for the most affected coastal hotspots.

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Section: Coastal Management and Protectionmentioning

confidence: 99%

Climate change and human security in coastal regions

Petzold,

Scheffran

2024

Camb. prisms Coast. futures

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Adapting to climate change: promises and pitfalls in the diffusion of solutions

Schulze,

Schoenefeld,

Hildén

2023

Reg Environ Change

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Addressing the climate adaptation tracking gap: an assessment method and its application to the Caribbean region

Laurent,

Duvat

2024

Reg Environ Change

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This article addresses the climate adaptation tracking gap. Indeed, we still ignore the intensity, nature, spatial distribution, effectiveness, and recent evolution of adaptation efforts at the national, regional, and global scales. We propose a web-based replicable assessment method using key variables to document adaptation efforts: country/territory, location, goal, implementation date, type of action, holder, funding source. Applying it to the Caribbean region, we analyzed 100 coastal adaptation actions. This studies the method while also highlighting the difficulties faced to track adaptation. We found that coastal adaptation efforts are substantial and increasing in the Caribbean, revealing the use of diversified adaptation actions; prevalence of hard protection (51%); increase use of Nature-based Solutions (22%); limited use of retreat (6%); and accommodation (2%). Combined actions (17%) increased over time, due to the failure of single actions and need to find tradeoffs between human asset protection encouraging hard protection and the maintenance of attractive tourist beaches encouraging beach nourishment. Puerto Rico and Trinidad and Tobago fall under the engineering-based “one-size-fits-all” adaptation model, whereas Jamaica and Barbados experiment diversified options and combinations of options. Jamaica, Puerto Rico, Trinidad and Tobago, and Barbados are particularly active in taking adaptation action, while most dependent islands and sub-national island jurisdictions have no adaptation action reported. Considering the advantages and limitations of a web-based method compared to a field-based approach, we recommend the combined use of these two complementary approaches to support adaptation tracking and help structuring communities of practice to the benefits of decision-makers and practitioners and scholars.

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Maladaptive diffusion? The spread of hard protection to adapt to coastal erosion and flooding along island coasts in the Pacific and Indian Ocean

Cited by 9 publications

References 52 publications

Climate change and human security in coastal regions

Climate change and human security in coastal regions

Adapting to climate change: promises and pitfalls in the diffusion of solutions

Addressing the climate adaptation tracking gap: an assessment method and its application to the Caribbean region

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