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Modeling the water exchanges between the Venice Lagoon and the Adriatic Sea
Bellafiore, D.; Umgiesser, G.; Cucco, A. (2008). Modeling the water exchanges between the Venice Lagoon and the Adriatic Sea. Ocean Dynamics 58(5-6): 397-413. dx.doi.org/10.1007/s10236-008-0152-7
In: Ocean Dynamics. Springer-Verlag: Berlin. ISSN 1616-7341, more
Peer reviewed article

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Keywords
    Calibration; Doppler effect; Finite element method; Finite elements; Fluid dynamics; Hydrodynamics; Water exchange; Water levels; Wind-driven circulation; MED, Adriatic Sea [gazetteer]; MED, Italy, Veneto, Venice Lagoon [gazetteer]; Marine

Authors  Top 
  • Bellafiore, D.
  • Umgiesser, G.
  • Cucco, A.

Abstract
    A hydrodynamic model of the Venice Lagoon and the Adriatic Sea has been developed in order to study the exchanges at the inlets of the Venice Lagoon, a complex morphological area connecting the sea and the lagoon. The model solves the shallow water equations on a spatial domain discretized by a staggered finite element grid. The grid represents the Adriatic Sea and the Venice Lagoon with different spatial resolutions varying from 30 m for the smallest channels of the lagoon to 30 km for the inner areas of the central Adriatic Sea. Data from more than ten tide gauges displaced in the Adriatic Sea have been used in the calibration of the simulated water levels. After the calibration, the tidal wave propagation in the North Adriatic and in the Venice Lagoon is well reproduced by the model. To validate the model results, empirical flux data measured by acoustic Doppler current profiler probes installed inside the inlets of Lido and Malamocco have been used and the exchanges through the three inlets of the Venice Lagoon have been analyzed. The comparison between modeled and measured fluxes at the inlets outlines the efficiency of the model to reproduce both tide- and wind-induced water exchanges between the sea and the lagoon. Even in complex areas, where highly varying resolution is needed, the model is suitable for the simulation of the dominating physical processes.

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