Field Observations, Video Monitoring and Numerical Modeling at Poetto Beach, Italy

Brambilla, W.; van Rooijen, A.; Simeone, S.; Ibba, a.; DeMuro, S., 2016. Field observations, coastal video monitoring and numerical modeling of coastal processes at Poetto Beach, Italy. In: Vila-Concejo, A.; Bruce, E.; Kennedy, D.M., and McCarroll, R.J. (eds.), Proceedings of the 14th International...

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Bibliographic Details
Published in:Journal of coastal research 2016-03, Vol.75 (sp1), p.825-829
Main Authors: Brambilla, Walter, van Rooijen, Arnold, Simeone, Simone, Ibba, Angelo, DeMuro, Sandro
Format: Article
Language:English
Subjects:
Beaches
Classification
Coastal currents
coastal videomonitoring
Coasts
Computer simulation
Delft3D
Floods
Fluid flow
Grain size
Hydrodynamics
HYDRODYNAMICS (CONTEMPORARY PROCESSES)
Longshore currents
Mathematical models
Modeling
Monitoring
Morphodynamics
Morphology
numerical model
Observational research
Sediments
Shorelines
Soil erosion
Storms
Studies
Topographic surveys
Velocity
Video data
Wave velocity
Wind
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Summary:Brambilla, W.; van Rooijen, A.; Simeone, S.; Ibba, a.; DeMuro, S., 2016. Field observations, coastal video monitoring and numerical modeling of coastal processes at Poetto Beach, Italy. In: Vila-Concejo, A.; Bruce, E.; Kennedy, D.M., and McCarroll, R.J. (eds.), Proceedings of the 14th International Coastal Symposium (Sydney, Australia). Journal of Coastal Research, Special Issue, No. 75, pp. 825–829. Coconut Creek (Florida), ISSN 0749-0208. This work presents an analysis of hydrodynamics and morphological evolution during one year at Poetto Beach (South Sardinia, Gulf of Cagliari - Italy). The results, in the form of a numerical model, Delft3D, were validated using data obtained from a very reproducible low-cost video monitoring system. Subsequently, the model was used to study local hydrodynamics (Delft3D) during wave events. Poetto Beach is a wave-dominated urban beach system characterized by an inner shelf with Posidonia oceanica meadows. Bathymetric and topographic surveys were carried out every three months in order to understand the beach morphology. Sediment grain samples were taken alongshore/cross-shore in correspondence with the main morphologies. The Delft3D model was used to simulate waves and hydrodynamics. The numerical simulation (Delft3D) showed good agreement with the field data and video image analyses for the distribution and direction of the rip and longshore currents. This approach, which can be easily replicated on other urban beaches, could provide beach managers with useful information on how to prevent and minimize the effects of storms and flooding.
ISSN:0749-0208
1551-5036
DOI:10.2112/SI75-166.1