Morphodynamics of tidal networks : processes, feedbacks and long-term evolution
ABSTRACT: Tidal networks are characterized by an intricate hierarchy of channels and shoals, acting as one of the most striking morphological features in coastal and estuarine environments. Located at the land-sea boundaries, they are shaped by feedbacks between a variety of processes operating over...
| Autor: | |
|---|---|
| Tipo de documento: | tese |
| Data de publicação: | 2015 |
| País: | España |
| Recursos: | Universidad de Cantabria (UC) |
| Repositório: | UCrea Repositorio Abierto de la Universidad de Cantabria |
| Idioma: | inglês |
| OAI Identifier: | oai:repositorio.unican.es:10902/6264 |
| Acesso em linha: | http://hdl.handle.net/10902/6264 |
| Access Level: | Acceso aberto |
| Palavra-chave: | Tidal networks Fluvial influence Intertidal flats Morphodynamics Numerical modeling Canales mareales Influencia fluvial Bajos intermareales Morfodinámica Modelado numérico |
| Resumo: | ABSTRACT: Tidal networks are characterized by an intricate hierarchy of channels and shoals, acting as one of the most striking morphological features in coastal and estuarine environments. Located at the land-sea boundaries, they are shaped by feedbacks between a variety of processes operating over a wide range of temporal and spatial scales. The aim of this thesis is to investigate the effects of the major processes and their associated feedbacks on the long-term morphodynamics of tidal networks. Through a comparative study of physical and numerical modeling of tidal networks, this research indicates that fast- and small-scale models can reproduce the long-term morphological evolution of tidal networks. Quantitative comparisons in terms of a variety of different geometric measures are conducted and suggest that numerical modeling is a useful tool to unravel the mechanisms underlying the morphodynamic behaviors of tidal networks. This research also constructs a comprehensive framework to study the river-influenced tidal network system and explores the physics governing the distribution of different types of sediment on intertidal flats. |
|---|