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<p>Cities worldwide face increasing exposure to compound hydro climatic extremes. This review synthesises evidence that droughts and floods are frequently linked through large-scale climate teleconnections including ENSO, the Indian Ocean Dipole, the Madden-Julian Oscillation, and decadal modes. The interactions among these modes produce sequential and compound events with distinctive consequences for urban water systems and communities. I examine physical mechanisms by which teleconnections alter antecedent moisture and storage, modulate storm tracks and precipitation intensity, and create predictable windows of elevated multi-hazard risk. Drawing on recent advances in climate diagnostics, hydrology, and urban practice, I evaluate operational strategies for anticipatory management: integrating teleconnection-aware seasonal and sub seasonal forecasts into decision support systems; diversifying storage through mixed portfolios and managed aquifers; adopting modular stormwater controls and nature-based solutions that perform across dry and wet states; and strengthening governance, finance, and community engagement to enable rapid, equitable responses. I identify research priorities to accelerate implementation, including coupled climate-hydrology-urban modelling, expanded urban observational networks, co-production of forecast-triggered decision rules, and equity-centered pilot trials. By reframing urban water resilience as a teleconnection-aware, multi-hazard problem, this review offers a coherent, practical, actionable roadmap for cities to transition from reactive crisis response to anticipatory, equitable resilience.</p>

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Teleconnection driven drought to flood sequences and spatially compound events in urban water systems for resilient cities

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2026年7月28日

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  • Khaled Haddad

摘要

Cities worldwide face increasing exposure to compound hydro climatic extremes. This review synthesises evidence that droughts and floods are frequently linked through large-scale climate teleconnections including ENSO, the Indian Ocean Dipole, the Madden-Julian Oscillation, and decadal modes. The interactions among these modes produce sequential and compound events with distinctive consequences for urban water systems and communities. I examine physical mechanisms by which teleconnections alter antecedent moisture and storage, modulate storm tracks and precipitation intensity, and create predictable windows of elevated multi-hazard risk. Drawing on recent advances in climate diagnostics, hydrology, and urban practice, I evaluate operational strategies for anticipatory management: integrating teleconnection-aware seasonal and sub seasonal forecasts into decision support systems; diversifying storage through mixed portfolios and managed aquifers; adopting modular stormwater controls and nature-based solutions that perform across dry and wet states; and strengthening governance, finance, and community engagement to enable rapid, equitable responses. I identify research priorities to accelerate implementation, including coupled climate-hydrology-urban modelling, expanded urban observational networks, co-production of forecast-triggered decision rules, and equity-centered pilot trials. By reframing urban water resilience as a teleconnection-aware, multi-hazard problem, this review offers a coherent, practical, actionable roadmap for cities to transition from reactive crisis response to anticipatory, equitable resilience.