Infrastructure resilience to extreme weather
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Infrastructure Resilience to Extreme Weather: Key Concepts and Challenges
Extreme weather events—such as floods, hurricanes, droughts, and windstorms—pose significant threats to critical infrastructure systems, including power grids and transportation networks. The resilience of these systems is essential for maintaining critical services and minimizing societal and economic disruptions during and after such events Souto2022Panteli2017Kiel2016+7 MORE.
Power Grid Resilience to Extreme Weather
Vulnerabilities and Impacts
Power grids are highly vulnerable to extreme weather, which can cause widespread outages and cascading failures. The increasing frequency and severity of these events, driven by climate change, demand a shift in grid design and operational practices to prioritize resilience over traditional reliability Panteli2017Panteli2016Daeli2022+3 MORE.
Assessment and Modeling Approaches
Researchers have developed various models to assess and enhance power grid resilience. These include stochastic simulations, fragility curves to estimate weather-dependent failure probabilities, and risk-based planning frameworks that account for high-impact, low-probability (HILP) events Panteli2017Panteli2016Jiang2024+2 MORE. Advanced methods, such as deep reinforcement learning and Monte Carlo simulations, are used to optimize infrastructure planning and operational decisions under uncertainty Jiang2024Poudyal2023.
Enhancement Strategies
Key strategies for boosting power grid resilience include:
- Grid hardening and redundancy (e.g., reinforcing infrastructure, adding backup systems) Daeli2022Shi2022Poudyal2023
- Defensive islanding, which isolates vulnerable sections to prevent cascading failures Panteli2016Shi2022Poudyal2023
- Deployment of distributed energy resources and smart grid technologies to maintain critical loads and restore service quickly Daeli2022Shi2022
- Risk-based planning that explicitly incorporates the likelihood and impact of extreme weather events into long-term infrastructure decisions
Transportation Infrastructure Resilience
Challenges and Impacts
Transport infrastructure, especially roads and highways, is also highly susceptible to extreme weather, leading to functional losses that hinder emergency response, evacuation, and recovery efforts Kiel2016Valenzuela2017Lang2024. The economic and societal consequences of transport disruptions can be severe, emphasizing the need for resilient design and maintenance Kiel2016Valenzuela2017Lang2024.
Assessment and Decision Support
Assessment frameworks use multi-criteria analysis and geographic information systems (GIS) to identify vulnerabilities and prioritize resilience measures . Decision support systems facilitate cross-disciplinary data sharing and evidence-based policy formulation, helping stakeholders plan for and respond to extreme weather threats .
Enhancement Measures
Effective strategies for enhancing transport infrastructure resilience include:
- Upgrading drainage systems and infrastructure standards to handle extreme rainfall and flooding
- Implementing green infrastructure and integrating disaster risk into urban planning
- Adopting best practices in engineering, materials, and construction, as well as improving crisis response and recovery capabilities Kiel2016Valenzuela2017
Integrated Approaches for Community Resilience
Resilient communities depend on the availability and accessibility of critical infrastructure systems. Mixed-integer linear programming and other optimization models help select planning and operational measures that ensure the continued provision of essential services during severe weather, considering interdependencies between power, transport, and other systems .
Conclusion
Building infrastructure resilience to extreme weather requires a combination of advanced modeling, risk-based planning, technological upgrades, and cross-sector collaboration. Both power and transport systems benefit from strategies that anticipate, withstand, and rapidly recover from disruptive events. As climate change intensifies, these approaches are increasingly vital for safeguarding critical services and supporting community well-being Souto2022Panteli2017Kiel2016+7 MORE.
Sources and full results
Most relevant research papers on this topic
Towards Resilient Communities: Strengthening Infrastructure for Critical Service Provision under Severe Weather Conditions
Enhancing infrastructure resilience to extreme weather events can ensure critical service provision in communities, as demonstrated in a real-life scenario in Stockport, UK.
Resilience of Road Infrastructure in Response to Extreme Weather Events
Resilience of pavement structures during extreme events is crucial for highway agencies and coastal stakeholders, contributing to long-term sustainability of transportation infrastructure.
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