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handle: 10902/19258
RESUMEN: El objetivo de esta tesis es desarrollar un nuevo modelo de evolución de línea de costa tendente al equilibrio considerando planta y perfil de playa, en escalas de medio a largo plazo. A partir de la investigación propuesta, primero se exploró la aplicabilidad de líneas de costa obtenidas a partir de imágenes satelitales procesadas con un algoritmo subpixel, para su uso en la calibración y validación de modelos de evolución de línea de costa tendentes al equilibrio. A continuación, se desarrolló un nuevo modelo de evolución de línea de costa para transporte transversal, considerando la variación temporal de la función de energía de equilibrio (ganancia o pérdida de sedimentos). Posteriormente se desarrolló un nuevo modelo de evolución de línea de costa para playas encajadas basado en modelos de equilibrio cross-shore y de forma en planta. Finalmente, se desarrolló un nuevo modelo empírico de rotación de línea de costa tendente al equilibrio asumiendo que el movimiento de rotación es inducido por la potencia y dirección del oleaje incidente.
ABSTRACT: The objective of this thesis is to develop a new equilibrium-based shoreline evolution model integrating planform and profile in the medium to long-term scales. From the proposed research, first the applicability of mid-resolution satellite-image processed with a subpixel algorithm was explored, for its use in the calibration and validation of equilibrium-based shoreline evolution models. Then, a new equilibrium-based shoreline evolution model considering the variability of the beach profile volume was developed, considering the temporal variation of the equilibrium energy function (sediment gain or loss). Later, a new model for embayed beaches based on cross-shore and planform equilibrium models applicable for cross-shore migration was developed. Finally, a new empirical equilibrium-based shoreline rotation model was developed assuming that the rotation movement is induced by the incoming wave power and direction.
This work could not be possible without the funding from: The Spanish Ministry of Economy, Industry, and Competitiveness under Grant BIA2017- 89491-R (Beach-Art Project). The Society for the Regional Development of Cantabria, SODERCAN group under Grant ID16-IN-045 (SMC2020 Project). The Environmental Hydraulics Institute of the University of Cantabria. The author acknowledges their support.
Movimiento de rotación, Playas encajadas, Embayed beaches, Movimiento de traslación, Rotation movement, Cross-shore movement, Modelos de evolución de línea de costa, Shoreline evolution models
Movimiento de rotación, Playas encajadas, Embayed beaches, Movimiento de traslación, Rotation movement, Cross-shore movement, Modelos de evolución de línea de costa, Shoreline evolution models
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