Recent changes in flood risk in the Gran La Plata,Buenos Aires province,Argentina: causes and management strategy |
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| Authors: | María Isabel Andrade Olga Eugenia Scarpati |
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| Institution: | (1) Department of Geography, University of Buenos Aires, Buenos Aires, Argentina;(2) Department of Geography, National University of La Plata, La Plata, Argentina;(3) National Research Council (CONICET), Buenos Aires, Argentina |
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| Abstract: | The paper analyses the causes of flood occurrence in the Gran La Plata, Buenos Aires Province, Argentina, and the changes
that have occurred since the 1970s. The area is characterized by serious deficiencies in the use and management of water resources.
The main factors are: (1) flood risk information is not updated; (2) urban building organization does not consider the flood
risk; (3) the topography and other physical features are not taken into account in urban development. This research considers
some specific problems, especially in data availability, and suggests ways to solve them, including improved analytical methodology.
One of the main objectives is to analyse flood risk in social terms, producing a map of flood risk from the “human social
vulnerability” point of view. The results suggest that flood risk has increased since the 1980s and that this is associated
with changes in precipitation patterns that have also been aggravated by lack of controls on urban development. The poorer
areas with the lowest level of infrastructure and public services, many of them developed over the last quarter-century, are
especially vulnerable. |
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| Keywords: | Flood Human social vulnerability Precipitation Topography and urban building |
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