An Integrated Approach to Study the Morphodynamics of the Lignano Tidal Inlet

The morphological evolution of a tidal inlet is the combined result of tides and wind waves, which interact in a non-linear manner and over very different time-scales. Likewise, the presence of maritime structures built in the vicinity of the tidal inlet, for coastal or port defense or to stabilize...

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Main Authors: Marco Petti, Silvia Bosa, Sara Pascolo, Erika Uliana
Format: Article
Language:English
Published: MDPI AG 2020-01-01
Series:Journal of Marine Science and Engineering
Subjects:
Online Access:https://www.mdpi.com/2077-1312/8/2/77
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author Marco Petti
Silvia Bosa
Sara Pascolo
Erika Uliana
author_facet Marco Petti
Silvia Bosa
Sara Pascolo
Erika Uliana
author_sort Marco Petti
collection DOAJ
description The morphological evolution of a tidal inlet is the combined result of tides and wind waves, which interact in a non-linear manner and over very different time-scales. Likewise, the presence of maritime structures built in the vicinity of the tidal inlet, for coastal or port defense or to stabilize the inlet itself, can greatly affect this dynamic equilibrium, changing erosional and depositional patterns of the adjacent shoreline. In this study, the narrowing phenomenon of the Lignano tidal inlet subsequent to the construction of the related port, is examined through an integrated approach in order to propose and verify a possible form of evolution. This approach is the result of the combination of three methods: the historical reconstruction of the shifting of the coastline, an empirical scheme which describes the qualitative morphology of a mixed-energy tidal inlet, and a process-based morphodynamic modeling, which adopts a bi-dimensional depth averaged (2DH) approach. The application of numerical modeling has required the definition of a reduced input set of data representing an average year, in particular for wind and tidal conditions, including the meteorological component. The magnitude and the directions of the simulated dominant sediment transport are coherent with real processes both from a qualitative and a quantitative point of view.
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spelling doaj.art-9954d52dbd304bf6b299aeb2f4998c752022-12-21T22:08:48ZengMDPI AGJournal of Marine Science and Engineering2077-13122020-01-01827710.3390/jmse8020077jmse8020077An Integrated Approach to Study the Morphodynamics of the Lignano Tidal InletMarco Petti0Silvia Bosa1Sara Pascolo2Erika Uliana3Dipartimento Politecnico di Ingegneria e Architettura, University of Udine, 33100 Udine, ItalyDipartimento Politecnico di Ingegneria e Architettura, University of Udine, 33100 Udine, ItalyDipartimento Politecnico di Ingegneria e Architettura, University of Udine, 33100 Udine, ItalyDipartimento Politecnico di Ingegneria e Architettura, University of Udine, 33100 Udine, ItalyThe morphological evolution of a tidal inlet is the combined result of tides and wind waves, which interact in a non-linear manner and over very different time-scales. Likewise, the presence of maritime structures built in the vicinity of the tidal inlet, for coastal or port defense or to stabilize the inlet itself, can greatly affect this dynamic equilibrium, changing erosional and depositional patterns of the adjacent shoreline. In this study, the narrowing phenomenon of the Lignano tidal inlet subsequent to the construction of the related port, is examined through an integrated approach in order to propose and verify a possible form of evolution. This approach is the result of the combination of three methods: the historical reconstruction of the shifting of the coastline, an empirical scheme which describes the qualitative morphology of a mixed-energy tidal inlet, and a process-based morphodynamic modeling, which adopts a bi-dimensional depth averaged (2DH) approach. The application of numerical modeling has required the definition of a reduced input set of data representing an average year, in particular for wind and tidal conditions, including the meteorological component. The magnitude and the directions of the simulated dominant sediment transport are coherent with real processes both from a qualitative and a quantitative point of view.https://www.mdpi.com/2077-1312/8/2/77tidal inletmorphological evolutionsediment transportwave-current interactionwind-tide input
spellingShingle Marco Petti
Silvia Bosa
Sara Pascolo
Erika Uliana
An Integrated Approach to Study the Morphodynamics of the Lignano Tidal Inlet
Journal of Marine Science and Engineering
tidal inlet
morphological evolution
sediment transport
wave-current interaction
wind-tide input
title An Integrated Approach to Study the Morphodynamics of the Lignano Tidal Inlet
title_full An Integrated Approach to Study the Morphodynamics of the Lignano Tidal Inlet
title_fullStr An Integrated Approach to Study the Morphodynamics of the Lignano Tidal Inlet
title_full_unstemmed An Integrated Approach to Study the Morphodynamics of the Lignano Tidal Inlet
title_short An Integrated Approach to Study the Morphodynamics of the Lignano Tidal Inlet
title_sort integrated approach to study the morphodynamics of the lignano tidal inlet
topic tidal inlet
morphological evolution
sediment transport
wave-current interaction
wind-tide input
url https://www.mdpi.com/2077-1312/8/2/77
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