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<p>The challenges of water supply and urban flood control are intensifying rapidly in large cities, driven by accelerating population growth and the impacts of global climate change. As urban areas expand, the demand for reliable water resources increases, while impervious surfaces, aging infrastructure, and extreme weather events amplify the risk of flooding. These dual pressures strain existing water management systems, leading to shortages during dry periods and inundation during storms. This research addresses these interlinked issues by exploring integrated and holistic solutions that combine sustainable water supply strategies with effective flood risk mitigation. Emphasis is placed on the adoption of nature-based solutions, resilient infrastructure, demand management, and adaptive urban planning to build cities that are not only water-secure but also climate-resilient. Thus, the research examines population and water usage trends in several urban regions and compares flood prevention measures to determine crucial approaches to increase urban resilience. On the same note, it is evident that regions with increased Green Infrastructure (GI) implementation, like Area (3), which has 25% of GI implementation and 25% of total peak runoff, has better flood mitigation. Consumer-demand assessment exposes the difference between the demand and supply of water and from a daily water shortfall of 4773 m<sup>3</sup> for Area (1). With a high runoff coefficient (0.70), Area 1 has limited natural recharge of groundwater, reducing the availability of local water sources. On the same note, information derived from the study also reveals how abilities in rain water harvesting as well as conservation serves the purpose of achieving water demand management. These observations thus call for the utilization of systemic solutions that involve technology, policy, and an active participation from the society if there is to be significant improvement in the management of water resources and catastrophic flooding. The synergistic approach presented here will be of significant benefit to any future urban planning and policy development. To further advance the practical impact of this research, it is essential to integrate adaptive infrastructure planning with real-time data monitoring to improve decision-making processes. Collaborative governance structures must be promoted to bridge the gap between scientific recommendations and policy actions. Moreover, investment in public awareness and behavioral change programs will enhance community participation and resilience. Future urban strategies must prioritize scalable and locally appropriate solutions that address both short-term risks and long-term sustainability. Such holistic integration can transform urban centers into models of climate-resilient development, effectively aligning ecological integrity with human well-being.</p>

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Integrated urban water management for climate resilience: strategies for sustainable supply and flood risk mitigation

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2025年12月16日

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  • Abhijeet Das

摘要

The challenges of water supply and urban flood control are intensifying rapidly in large cities, driven by accelerating population growth and the impacts of global climate change. As urban areas expand, the demand for reliable water resources increases, while impervious surfaces, aging infrastructure, and extreme weather events amplify the risk of flooding. These dual pressures strain existing water management systems, leading to shortages during dry periods and inundation during storms. This research addresses these interlinked issues by exploring integrated and holistic solutions that combine sustainable water supply strategies with effective flood risk mitigation. Emphasis is placed on the adoption of nature-based solutions, resilient infrastructure, demand management, and adaptive urban planning to build cities that are not only water-secure but also climate-resilient. Thus, the research examines population and water usage trends in several urban regions and compares flood prevention measures to determine crucial approaches to increase urban resilience. On the same note, it is evident that regions with increased Green Infrastructure (GI) implementation, like Area (3), which has 25% of GI implementation and 25% of total peak runoff, has better flood mitigation. Consumer-demand assessment exposes the difference between the demand and supply of water and from a daily water shortfall of 4773 m3 for Area (1). With a high runoff coefficient (0.70), Area 1 has limited natural recharge of groundwater, reducing the availability of local water sources. On the same note, information derived from the study also reveals how abilities in rain water harvesting as well as conservation serves the purpose of achieving water demand management. These observations thus call for the utilization of systemic solutions that involve technology, policy, and an active participation from the society if there is to be significant improvement in the management of water resources and catastrophic flooding. The synergistic approach presented here will be of significant benefit to any future urban planning and policy development. To further advance the practical impact of this research, it is essential to integrate adaptive infrastructure planning with real-time data monitoring to improve decision-making processes. Collaborative governance structures must be promoted to bridge the gap between scientific recommendations and policy actions. Moreover, investment in public awareness and behavioral change programs will enhance community participation and resilience. Future urban strategies must prioritize scalable and locally appropriate solutions that address both short-term risks and long-term sustainability. Such holistic integration can transform urban centers into models of climate-resilient development, effectively aligning ecological integrity with human well-being.