The Role of Urban Growth in Resilience of Communities Under Flood Risk.

Flood risk to urban communities is increasing significantly as a result of the integrated effects of climate change and socioeconomic development. The latter effect is one of the main drivers of rising flood risk has received less attention in comparison to climate change. Economic development and population growth are major causes of urban expansion in flood‐prone areas, and a comprehensive understanding of the impact of urban growth on flood risk is an essential ingredient of effective flood risk management. At the same time, planning for community resilience has become a national and worldwide imperative in recent years. Enhancements to community resilience require well‐integrated and enormous long‐term public and private investments. Accordingly, comprehensive urban growth plans should take rising flood risk into account to ensure future resilient communities through careful collaboration between engineers, geologists, socialists, economists, and urban planners within the framework of life‐cycle analysis. This paper highlights the importance of including urban growth in accurate future flood risk assessment and how planning for future urbanization should include measurement science‐based strategies in developing policies to achieve more resilient communities. Plain Language Summary: Flood risk has been on the rise due to climate change and rapid increase in populations living in urban cities. The effect of population growth, in particular, on increasing such risk has been evident in recent years as noted in various studies. The recent shift, however, towards ensuring resilient communities following a natural disaster, requires not only risk reduction while accounting for urbanization but also rapid recovery following a flood event. In this paper, we highlight the importance of urban growth to accurate flood risk assessment and show how planning for future urbanization should include quantitative measures of flood impact in developing policies to achieve more resilient communities. Key Points: Urban growth, resulted by socioeconomic development, plays a crucial role on rising future flood riskUrbanization leads to changes in hazard and exposure components of risk in flood risk assessmentCombining urban expansion with the concept of community resilience and planning for future development helps to move towards a resilient community [ABSTRACT FROM AUTHOR]

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