Análisis de vulnerabilidad ante amenazas de origen hídrico en la Cuenca del Arroyo Las Turbias, Argentina
; Finelli, Norma Beatriz Otros responsables
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01/2021
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Universidad de Chile
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Revista de Estudios Latinoamericanos sobre Reduccion del Riesgo de Desastres
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0719-8477
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Las amenazas de origen hídrico suelen ocasionar consecuencias más o menos graves en un territorio según el nivel de vulnerabilidad que posea. La cuenca hidrográfica se considera como unidad de gestión, donde los organismos gubernamentales deben considerar los potenciales riesgos para planificar el ordenamiento territorial. En este sentido, para contribuir a la toma de decisiones apropiadas, es relevante conocer la vulnerabilidad y las variables que la integran. Para el caso de la cuenca del arroyo Las Turbias, provincia de Santa Fe (Argentina), se seleccionaron 19 variables que componen las dimensiones política-institucional, socio-económica y ambiental. Se utilizó la metodología multicriterio para establecer el orden de vulnerabilidad en los sectores de la cuenca. El proceso metodológico requirió de información primaria y secundaria. Se consideraron relevantes las entrevistas realizadas a los referentes de instituciones, vecinos y productores agropecuarios. Los resultados indican diferencias en la condición de vulnerabilidad entre los sectores de la cuenca para las dimensiones socio-económica y ambiental. En cuanto a la vulnerabilidad total, se observó que la cuenca inferior presentó mayor vulnerabilidad que los otros sectores de la cuenca. A partir de este análisis se podrían identificar las variables sobre las cuales tomar decisiones para mejorar la condición de vulnerabilidad.
Water-related hazards may trigger disasters depending on different people’s and territories’ level of vulnerability. Hydrographic basins are considered as a management unit, where government should consider all potential hazards and risks within territorial planning. In this sense, and to contribute to informed decision-making, it is fundamental to study vulnerability and all its variables. In Las Turbias basin, Santa Fe province (Argentina), 19 variables were selected: constituting the political-institutional, socio-economic, and environmental dimensions. The multicriteria methodology was used to establish an order of vulnerability in all sectors of the basin. The methodological process required primary and secondary information. Interviews to key actors from institutions, neighborhood organizations, and agricultural producers were carried out. The results indicate differences in vulnerability conditions among different basin sectors for the socio-economic and environmental dimensions. Regarding to overall vulnerability, the study points out that the lower-basin sector is more vulnerable than other sectors. Finally, authors discuss how the studied variables and measures could be considered by different stakeholders to reduce the vulnerability in Las Turbias basin.
Water-related hazards may trigger disasters depending on different people’s and territories’ level of vulnerability. Hydrographic basins are considered as a management unit, where government should consider all potential hazards and risks within territorial planning. In this sense, and to contribute to informed decision-making, it is fundamental to study vulnerability and all its variables. In Las Turbias basin, Santa Fe province (Argentina), 19 variables were selected: constituting the political-institutional, socio-economic, and environmental dimensions. The multicriteria methodology was used to establish an order of vulnerability in all sectors of the basin. The methodological process required primary and secondary information. Interviews to key actors from institutions, neighborhood organizations, and agricultural producers were carried out. The results indicate differences in vulnerability conditions among different basin sectors for the socio-economic and environmental dimensions. Regarding to overall vulnerability, the study points out that the lower-basin sector is more vulnerable than other sectors. Finally, authors discuss how the studied variables and measures could be considered by different stakeholders to reduce the vulnerability in Las Turbias basin.
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