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Center for Coastal & Land-Margin Research

Tejo Estuary, Portugal

A.B. Fortunato, now at Laboratório Nacional de Engenharia Civil
A.P. Oliveira
A.M. Baptista

Contents

Overview

Our research on the Tejo estuary has two complementary goals. The first is the elucidation of estuarine processes, from both physical and ecosystem perspectives. The second is the development of models that effectively assist decision-making on issues of social and economic importance for the Tejo basin.

Both goals are being approached cooperatively with Laboratório Nacional de Engenharia Civil through a number of individual but strategically-related research projects:

  • Three-Dimensional Modeling of Coastal Flows Using Unstructured Grids : A PhD thesis focused on the numerical aspects of the representation of the vertical structure of tidal flows. The novel concept of localized sigma coordinates is used in the development of a 3D barotropic circulation model for the Tejo estuary.

  • Transport and Residence Times in Estuaries: A PhD thesis (in progress) focused on the enhancement of Lagrangian and Eulerian-Lagrangian methods for the simulation of transport processes in estuaries. The Tejo estuary is used as the reference system, both for a new method of evaluating estuarine residence times, and for an investigation of mass conservation in Eulerian-Lagrangian transport models.

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    Publications

    Acknowledgements

    This research has been supported in part by the Junta Nacional de Investigacão Científica e Tecnológica, grants BM-355/90-IG and BD-1786/91-IG, and by the National Science Foundation.

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