Listar Enxeñaría da Auga e do Medio Ambiente (GEAMA) por autor "Cea, Luis"
Mostrando ítems 21-40 de 44
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Hydraulic modeling of bridges in two-dimensional shallow water models
Cea, Luis; García-Alén, Gonzalo; Puertas, Jerónimo; Pena Mosquera, Luis; Vila Sánchez, Gabriela (American Society of Civil Engineers, 2022)[Abstract:] The backwater effect generated by bridges can significantly increase the risk of flooding. In this work we compare two different methods to include the effect of bridges in two-dimensional (2D) shallow water ... -
IberWQ: A GPU Accelerated Tool for 2D Water Quality Modeling in Rivers and Estuaries
García-Feal, Orlando; Cea, Luis; González-Cao, José; Domínguez, J. M.; Gómez-Gesteira, Moncho (MDPI, 2020)[Abstract] Numerical models are useful tools to analyze water quality by computing the concentration of physical, chemical and biological parameters. The present work introduces a two-dimensional depth-averaged model that ... -
IberWQ: new simulation tool for 2D water quality modelling in rivers and shallow estuaries
Cea, Luis; Bermúdez, María; Puertas, Jerónimo; Bladé, Ernest; Corestein, Georgina; Escolano, Enrique; Conde, André; Bockelmann-Evans, Bettina; Ahmadian, Reza (IWA Publishing, 2016)[Abstract:] This paper presents a new freeware simulation tool (IberWQ) for 2D water quality modelling in rivers and non-stratified estuaries. The model computes the spatial and temporal evolution of several species and ... -
Impact of model simplifications on soil erosion predictions: application of the GLUE methodology to a distributed event-based model at the hillslope scale
Cea, Luis; Legout, Cédric; Grangeon, Thomas; Nord, Guillaume (Wiley, 2016)[Abstract:] In this paper, we analyse how the performance and calibration of a distributed event-based soil erosion model at the hillslope scale is affected by different simplifications on the parameterizations used to ... -
Impact of Urban Growth and Changes in Land Use on River Flood Hazard in Villahermosa, Tabasco (Mexico)
Areu Rangel, Omar Salvador; Cea, Luis; Bonasia, Rosanna; Espinosa-Echavarria, Victor J. (MDPI, 2019)[Abstract:] The city of Villahermosa, a logistical center in the State of Tabasco’s economy, is affected by recurrent river floods. In this study, we analyzed the impact of two factors that are the most probable causes of ... -
Implementación de embalses en cálculos hidrológicos con Iber
García-Alén, Gonzalo; García-Feal, Orlando; Cea, Luis; Puertas, Jerónimo (Universitat Politècnica de València, 2023)[Resumen:] La consideración del efecto laminador de los embalses en la evaluación de caudales de avenida es un aspecto fundamental en aquellas cuencas donde la hidrología está condicionada por la presencia de presas. En ... -
Improving the predictive skills of hydrological models using a combinatorial optimization algorithm and artificial neural networks
Cea, Luis; Farfán-Durán, Juan F. (Springer, 2023)[Abstract:] Ensemble modelling is a numerical technique used to combine the results of a number of different individual models in order to obtain more robust, better-fitting predictions. The main drawback of ensemble ... -
Incorporating Antecedent Moisture Conditions and Intraevent Variability of Rainfall on Flood Frequency Analysis in Poorly Gauged Basins
Cea, Luis; Fraga, Ignacio (Wiley, 2018)[Abstract:] Rainfall-runoff models are frequently used for the prediction of flood discharges from extreme rainfall data in poorly gauged basins. However, the conventional methods used to estimate the frequency of flood ... -
Investigation of uniform and graded sediment wash-off in an urban drainage system: numerical model validation from a rainfall simulator in an experimental facility
Addison-Atkinson, William; Chen, Albert S.; Memon, Fayyaz Ali; Anta, Jose; Naves, Juan; Cea, Luis (Elsevier, 2024)[Abstract:] Understanding sediment wash-off in urban environments plays an essential role in sediment transport management; and is critical for accurate pluvial flood control to assist in adaptation and mitigation strategies. ... -
Joint assimilation of satellite soil moisture and streamflow data for the hydrological application of a two-dimensional shallow water model
García-Alén, Gonzalo; Hostache, Renaud; Cea, Luis; Puertas, Jerónimo (Elsevier, 2023)[Abstract:] Data assimilation (DA) in physically-based hydrodynamic models is conditioned by the difference in temporal and spatial scales of the observed data and the resolution of the model itself. In order to use remote ... -
Large-scale physical facility and experimental dataset for the validation of urban drainage models
Sañudo, Esteban; Cea, Luis; Puertas, Jerónimo; Naves, Juan; Anta, Jose (Wiley, 2024)[Abstract:] Numerical models are currently the main tool used to simulate the effects of urban flooding. The validation of these models requires thorough and accurate observed data in order to test their performance. The ... -
MERLIN: a flood hazard forecasting system for coastal river reaches
Fraga, Ignacio; Cea, Luis; Puertas, Jerónimo (Springer, 2020)[Abstract:] This study presents MERLIN, an innovative flood hazard forecasting system for predicting discharges and water levels at flood prone areas of coastal catchments. Discharge forecasts are preceded by a hindcast ... -
MERLIN: una nueva herramienta para la predicción del riesgo de inundaciones en la demarcación hidrográfica Galicia-Costa
Fraga, Ignacio; Cea, Luis; Puertas, Jerónimo; Mosqueira Martínez, Gonzalo; Quinteiro Seoane, Belén; Botana Soto, Sonia; Fernández Núñez, Laura; Salsón Casado, Santiago; Fernández-García, Guillermo; Taboada, Juan (Universitat Politècnica de València, 2021)[Resumen] Este artículo presenta MERLIN, una nueva herramienta para estimar el riesgo de inundaciones a partir de predicciones de caudales y calados en Áreas de Riesgo Potencial Significativo de Inundaciones (ARPSIS) de ... -
Modelización numérica de inundaciones fluviales
Bladé, Ernest; Cea, Luis; Corestein, Georgina (Universitat Politècnica de València, 2014)[Resumen:] La modelización numérica del flujo de agua en ríos es una herramienta que ayuda a dar respuesta a la legislación vigente europea y española referida a riesgo de inundación. Los modelos numéricos disponibles ... -
Modelling Pluvial Flooding in Urban Areas Coupling the Models Iber and SWMM
Sañudo, Esteban; Cea, Luis; Puertas, Jerónimo (MDPI, 2020)[Abstract] Dual urban drainage models allow users to simulate pluvial urban flooding by analysing the interaction between the sewer network (minor drainage system) and the overland flow (major drainage system). This work ... -
Modelling Weirs in Two-Dimensional Shallow Water Models
García-Alén, Gonzalo; García Fonte, Olalla; Cea, Luis; Pena Mosquera, Luis; Puertas, Jerónimo (MDPI, 2021)[Abstract] 2D models based on the shallow water equations are widely used in river hydraulics. However, these models can present deficiencies in those cases in which their intrinsic hypotheses are not fulfilled. One of ... -
Nonintrusive Method to Compute Water Discharge in Pipes with a Low Depth-to-Diameter Ratio Using Ultrasonic Doppler Velocimetry
Fraga, Ignacio; Cea, Luis; Puertas, Jerónimo; Anta, Jose (ASCE, 2015)[Abstract] A nonintrusive method to calculate water depth and discharge in partially full pipes using data from a single ultrasonic Doppler velocimeter (UDV) profiler is presented. The position of the free surface is ... -
Quantifying local rainfall dynamics and uncertain boundary conditions into a nested regional-local flood modeling system
Bermúdez, María; Neal, Jeffrey; Bates, Paul; Coxon, Gemma; Freer, Jim; Cea, Luis; Puertas, Jerónimo (Wiley, 2017)[Abstract:] Inflow discharge and outflow stage estimates for hydraulic flood models are generally derived from river gauge data. Uncertainties in the measured inflow data and the neglect of rainfall-runoff contributions ... -
Quantifying the role of individual flood drivers and their correlations in flooding of coastal river reaches
Sopelana Peralta, Javier; Bermúdez, María; Cea, Luis (Springer, 2019)[Abstract:] Flooding in coastal river reaches is the result of complex interactions between coastal and inland drivers. Flood hazard assessments need to consider how these drivers interact in space and time, for which a ... -
Rainwater Harvesting Techniques to Face Water Scarcity in African Drylands: Hydrological Efficiency Assessment
Tamagnone, Paolo; Cea, Luis; Comino, Elena; Rosso, Maurizio (MDPI, 2020)[Abstract] The sub-Saharan climate is experiencing a marked increase in temperature and intensification of precipitation intensity and variability. Besides, longer dry spells are compromising the reliability of local ...