Flood and heat hazards in the Metropolitan Region of Santiago de Chile and the socio-economics of exposure |
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| Institution: | 1. Pedro Kourí Tropical Medicine Institute, Cuba;2. University of Miami, Miller School of Medicine, Department of Surgery Transplant, 1600 NW 10th Ave., Miami, FL 33136, United States;1. Heart Institute, Cincinnati Children''s Hospital Medical Center, Cincinnati, Ohio;2. Department of Pediatrics, University of Cincinnati College of Medicine, Cincinnati, Ohio;3. University of Vermont Medical Center, Burlington, Vermont;1. INSERM, U1168, VIMA: Aging and Chronic Diseases, Epidemiological and Public Health Approaches, F-94807 Villejuif, France;2. Univ Versailles St-Quentin-en-Yvelines, UMR-S 1168, F-78180 Montigny le Bretonneux, France;3. Univ Paris-Sud, Kremlin-Bicêtre, France;4. Swiss Tropical and Public Health Institute, Basel, Switzerland;5. University of Basel, Basel, Switzerland;6. ISGlobal-Centre for Research in Environmental Epidemiology (CREAL), Barcelona, Spain;7. Hospital del Mar Medical Research Institute, Barcelona, Spain;8. Universitat Pompeu Fabra, Barcelona, Spain;9. CIBER Epidemiología y Salud Pública, Barcelona, Spain;10. Centre Hospitalo-Universitaire, Montpellier, France;11. School of Social and Community Medicine, University of Bristol, Bristol, United Kingdom;12. Department of Public Health and Pediatrics, University of Turin, Turin, Italy;13. Institute for Risk Assessment Sciences, University Utrecht, Utrecht, The Netherlands;14. Julius Center for Health Sciences and Primary Care, University Medical Center Utrecht, Utrecht, The Netherlands;15. Institute of Epidemiology, German Research Center for Environmental Health (GmbH), Helmholtz Zentrum München, Neuherberg, Germany;p. Institute and Outpatient Clinic for Occupational, Social and Environmental Medicine Ludwig Maximilians University, Munich, Germany;q. Population Health and Occupational disease, National Heart and Lung Institute, Imperial College London, London, United Kingdom;r. MRC-PHE Centre for Environment and Health, Imperial College London, London, United Kingdom;s. Unit of Epidemiology and Medical Statistics, Department of Diagnostics and Public Health, University of Verona, Verona, Italy;t. Public Health and Clinical Medicine, Umea University, University Hospital, Umea, Sweden;u. IAB, Environmental Epidemiology Applied to Reproduction and Respiratory Health, INSERM, Grenoble, France;v. IAB, Environmental Epidemiology Applied to Reproduction and Respiratory Health, Univ Grenoble-Alpes, Grenoble, France;w. IAB, Environmental Epidemiology Applied to Reproduction and Respiratory Health, CHU Grenoble, Grenoble, France;x. Pédiatrie, CHU Grenoble, Grenoble, France;y. InVS, French Institute for Public Health Surveillance, Saint-Maurice, France |
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| Abstract: | In Santiago de Chile, the combination of recent urbanization patterns, the growing demand for land, and climate change has created challenges, notably in terms of the amplification of hazard generation and hazard exposure. This paper analyses the changes in land use/land cover, their impact on current flood and heat hazards, and the consequences for dwelling exposure. It adopts a hazard and exposure assessment approach to flood and heat hazard that allows for evaluation of the interlinkages and consequences of interweaving processes of urbanization and climate change in the Metropolitan Region of Santiago de Chile. The results clearly show that loss of green spaces and agricultural land to built-up areas goes hand in hand with the loss of important infiltration, cooling and retention areas, all of which leads to greater hazard exposure. The paper furthermore analyses the exposed population in terms of their material housing conditions. Surprisingly, those who are more likely to live in hazard-prone areas cannot be described exclusively as “the poor”, albeit there are striking differences between flood and heat exposure. |
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