Un análisis de modelos hidrodinámicos y una propuesta de cambio cultural basada en predicciones: el caso de la inundación del Rio Grande do Sul, Brasil
An analysis of hydrodynamic models and a proposal for cultural change based on predictions: the case of the flooding of Rio Grande do Sul, BrazilContenido principal del artículo
Después de las fuertes inundaciones que azotaron Rio Grande do Sul, la pregunta es cuáles son las necesidades de investigación e infraestructura en un contexto de planificación urbana desordenada.Con el cambio climático y los intensos cambios en la cubierta vegetal de las cuencas urbanas, existe una tendencia a que aumente la intensidad y frecuencia de las inundaciones.Al utilizar una metodología de revisión de la literatura, este trabajo presenta soluciones de modelos matemáticos que pueden ser utilizados para la prevención y control de inundaciones, haciendo una crítica constructiva de las soluciones presentadas en la mayor inundación de Rio Grande do Sul, proponiendo soluciones alternativas. Los modelos hidrodinámicos requieren condiciones de entrada que dependen de datos de estaciones hidrométricas, que son escasas y han comprometido la precisión en eventos extremos. Con el enfoque de relacionar medidas estructurales (por ejemplo, aumentar la infiltración y recarga de aguas subterráneas que ayuden a controlar y dirigir adecuadamente la escorrentía de agua de lluvia) con medidas no estructurales (por ejemplo, políticas para reducir la generación de escorrentía superficial) y desarrollar un plan de emergencia.Esta pregunta de investigación conduce a la propuesta de un modelo de Inteligencia Cultural, Gestión del Conocimiento y Participación Social con el fin de crear un plan ideal de control de inundaciones.El principal resultado es la selección del modelo cGAN-Flood como el más adecuado para predecir inundaciones en Rio Grande do Sul.
After the severe floods that struck Rio Grande do Sul, the question arises as to what research and infrastructure needs exist within a context of disorganized urban planning.
With climate change and the intense changes in vegetation cover of urban watersheds, there is a trend toward increased intensity and frequency of floods.Using a literature review methodology, this work presents mathematical model solutions that can be used for flood prevention and control, offering constructive criticism of the solutions presented in response to the largest flood in Rio Grande do Sul, and proposing alternative solutions. Hydrodynamic models require input conditions that depend on data from hydrometric stations, which are scarce and have compromised accuracy in extreme events. The approach involves relating structural measures (e.g., increasing infiltration and groundwater recharge to help control and properly direct rainwater runoff) with non-structural measures (e.g., policies to reduce surface runoff generation) to develop an emergency plan. This research question leads to the proposal of a model of Cultural Intelligence, Knowledge Management, and Social Participation to create an ideal flood control plan.The main result is the selection of the cGAN- Flood model as the most suitable for predicting floods in Rio Grande do Sul.
Detalles del artículo
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