Urban flooding is an increasing threat worldwide, affecting many places and populations. The risk of urban flood has significantly increased due to combining effects of climate change and urbanization. Urbanization turns natural landscapes into impervious surfaces, reducing the ability of cities to drain water, while climate change alters rainfall patterns. This study aims to review combined impacts of land cover and climate change on urban flooding using various tools and for this purpose, recent Coupled Model Intercomparison Project 6 (CMIP6) global climate models (GCMs) were believed to be the most accurate projections as they evaluate future scenarios by using Shared Socio-economic pathways (SSP1-5). Literature on future climatic projections will be assessed using CMIP6-based GCMs and regional climate models (RCMs). This paper also summarizes various mitigation measures to deal with the adverse consequences of urban flooding. Analysis showed that innovative strategies and preventive measures can help lessen the adverse impact of urban flooding.

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Combined Impact of Land Cover and Climate Change on Urban Flooding: A Review

  • Anisha Das,
  • Sanat Nalini Sahoo,
  • Nathi Ajay Chandra

摘要

Urban flooding is an increasing threat worldwide, affecting many places and populations. The risk of urban flood has significantly increased due to combining effects of climate change and urbanization. Urbanization turns natural landscapes into impervious surfaces, reducing the ability of cities to drain water, while climate change alters rainfall patterns. This study aims to review combined impacts of land cover and climate change on urban flooding using various tools and for this purpose, recent Coupled Model Intercomparison Project 6 (CMIP6) global climate models (GCMs) were believed to be the most accurate projections as they evaluate future scenarios by using Shared Socio-economic pathways (SSP1-5). Literature on future climatic projections will be assessed using CMIP6-based GCMs and regional climate models (RCMs). This paper also summarizes various mitigation measures to deal with the adverse consequences of urban flooding. Analysis showed that innovative strategies and preventive measures can help lessen the adverse impact of urban flooding.