Rapid Urban Growth in Flood Zones: Global Evidence since 1985
As countries rapidly urbanize, settlements are expanding into hazardous flood zones. This study provides a global analysis of spatial urbanization patterns and the evolution of flood exposure between 1985 and 2015. Using high-resolution annual data, it shows that settlements across the world grew by...
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| Format: | Elektronisch E-Book |
| Sprache: | English |
| Veröffentlicht: |
Washington, D.C
The World Bank
2022
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| Online-Zugang: | Volltext |
| Zusammenfassung: | As countries rapidly urbanize, settlements are expanding into hazardous flood zones. This study provides a global analysis of spatial urbanization patterns and the evolution of flood exposure between 1985 and 2015. Using high-resolution annual data, it shows that settlements across the world grew by 85 percent to over 1.28 million square kilometers. In the same period, settlements exposed to the highest flood hazard level increased by 122 percent. In many regions, risky growth is outpacing safe growth, particularly in East Asia, where high-risk settlements have expanded 60 percent faster than safe ones. Developing countries are driving the recent growth of flood exposure: 36,500 square kilometers of settlements were built in the world's highest-risk zones since 1985-82 percent of which are in low- and middle-income countries. In comparison, recent growth in high-income countries has been relatively slow and safe. These results document a divergence in countries' exposure to flood hazards. Rather than adapting their exposure to climatic hazards, many countries are actively increasing their exposure |
| Beschreibung: | 1 Online-Ressource (30 Seiten) |
| DOI: | 10.1596/1813-9450-10014 |
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| 520 | 3 | |a As countries rapidly urbanize, settlements are expanding into hazardous flood zones. This study provides a global analysis of spatial urbanization patterns and the evolution of flood exposure between 1985 and 2015. Using high-resolution annual data, it shows that settlements across the world grew by 85 percent to over 1.28 million square kilometers. In the same period, settlements exposed to the highest flood hazard level increased by 122 percent. In many regions, risky growth is outpacing safe growth, particularly in East Asia, where high-risk settlements have expanded 60 percent faster than safe ones. Developing countries are driving the recent growth of flood exposure: 36,500 square kilometers of settlements were built in the world's highest-risk zones since 1985-82 percent of which are in low- and middle-income countries. In comparison, recent growth in high-income countries has been relatively slow and safe. These results document a divergence in countries' exposure to flood hazards. Rather than adapting their exposure to climatic hazards, many countries are actively increasing their exposure | |
| 650 | 4 | |a Adaptation | |
| 650 | 4 | |a Adaptation to Climate Change | |
| 650 | 4 | |a Climate Change | |
| 650 | 4 | |a Climate Change Exposure | |
| 650 | 4 | |a Climate Change Impacts | |
| 650 | 4 | |a Climate Change Policy and Regulation | |
| 650 | 4 | |a Climate Risk | |
| 650 | 4 | |a Climatic Hazard | |
| 650 | 4 | |a Communities and Human Settlements | |
| 650 | 4 | |a Environment | |
| 650 | 4 | |a Flood Risk | |
| 650 | 4 | |a Hazardous Flood Zones | |
| 650 | 4 | |a High-Risk Flood Zones | |
| 650 | 4 | |a Human Settlements | |
| 650 | 4 | |a Public Sector Development | |
| 650 | 4 | |a Risky Growth | |
| 650 | 4 | |a Social Aspects of Climate Change | |
| 650 | 4 | |a Urban Flood Zone | |
| 650 | 4 | |a Urban Housing and Land Settlements | |
| 650 | 4 | |a Urbanization | |
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| 700 | 1 | |a Strano, Emanuele |e Sonstige |4 oth | |
| 700 | 1 | |a Su, Rui |e Sonstige |4 oth | |
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| discipline | Wirtschaftswissenschaften |
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| doi_str_mv | 10.1596/1813-9450-10014 |
| format | Electronic eBook |
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| index_date | 2024-07-03T22:27:57Z |
| indexdate | 2024-10-12T04:02:56Z |
| institution | BVB |
| language | English |
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| spellingShingle | Rentschler, Jun Rapid Urban Growth in Flood Zones Global Evidence since 1985 Adaptation Adaptation to Climate Change Climate Change Climate Change Exposure Climate Change Impacts Climate Change Policy and Regulation Climate Risk Climatic Hazard Communities and Human Settlements Environment Flood Risk Hazardous Flood Zones High-Risk Flood Zones Human Settlements Public Sector Development Risky Growth Social Aspects of Climate Change Urban Flood Zone Urban Housing and Land Settlements Urbanization |
| title | Rapid Urban Growth in Flood Zones Global Evidence since 1985 |
| title_auth | Rapid Urban Growth in Flood Zones Global Evidence since 1985 |
| title_exact_search | Rapid Urban Growth in Flood Zones Global Evidence since 1985 |
| title_exact_search_txtP | Rapid Urban Growth in Flood Zones Global Evidence since 1985 |
| title_full | Rapid Urban Growth in Flood Zones Global Evidence since 1985 Jun Rentschler |
| title_fullStr | Rapid Urban Growth in Flood Zones Global Evidence since 1985 Jun Rentschler |
| title_full_unstemmed | Rapid Urban Growth in Flood Zones Global Evidence since 1985 Jun Rentschler |
| title_short | Rapid Urban Growth in Flood Zones |
| title_sort | rapid urban growth in flood zones global evidence since 1985 |
| title_sub | Global Evidence since 1985 |
| topic | Adaptation Adaptation to Climate Change Climate Change Climate Change Exposure Climate Change Impacts Climate Change Policy and Regulation Climate Risk Climatic Hazard Communities and Human Settlements Environment Flood Risk Hazardous Flood Zones High-Risk Flood Zones Human Settlements Public Sector Development Risky Growth Social Aspects of Climate Change Urban Flood Zone Urban Housing and Land Settlements Urbanization |
| topic_facet | Adaptation Adaptation to Climate Change Climate Change Climate Change Exposure Climate Change Impacts Climate Change Policy and Regulation Climate Risk Climatic Hazard Communities and Human Settlements Environment Flood Risk Hazardous Flood Zones High-Risk Flood Zones Human Settlements Public Sector Development Risky Growth Social Aspects of Climate Change Urban Flood Zone Urban Housing and Land Settlements Urbanization |
| url | https://doi.org/10.1596/1813-9450-10014 |
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