Preprints
https://doi.org/10.5194/os-2020-90
https://doi.org/10.5194/os-2020-90

  17 Sep 2020

17 Sep 2020

Review status: a revised version of this preprint was accepted for the journal OS and is expected to appear here in due course.

Impact of naval traffic on the sediment transport of the Port of Genoa – a modelling study

Antonio Guarnieri1, Sina Saremi2, Andrea Pedroncini3, Jacob H. Jensen2, Silvia Torretta3, Marco Vaccari4, and Caterina Vincenzi4 Antonio Guarnieri et al.
  • 1Istituto Nazionale di Geofisica e Vulcanologia, Sezione di Bologna, Via D. Creti, 12, 40128 Bologna, Italy
  • 2DHI, Horsholm, Denmark
  • 3DHI S.r.l., Via Bombrini 11/12, 16149 Genova
  • 4Autorità di Sistema Portuale del Mar Ligure Occidentale (Genova), Palazzo San Giorgio - Via della Mercanzia 2

Abstract. The action of propellers induced jets on the seabed of ports can be responsible of erosion and deposition of sediment around the port basin, potentially inducing important variations of the bottom topography in the medium to long time scales. Such dynamics constantly repeated for long periods can result in drastic reduction of ships' clearance – in the case of accretion – or might be a threat for the stability and duration of the structures – in the case of erosion. These sediment related processes are sources of problems for the port managing authorities, both for the safety of navigation and for the optimization of the management and maintenance activities of the ports' bottom and infrastructures.

In the present work we study the erosion and sediment transport induced by the action of the vessel propellers of naval traffic in the passenger Port of Genoa (Italy) by means of integrated numerical modeling and we propose a novel methodology and state of the art modeling science-based tools useful to optimize and efficiently plan the ports managing activities and the of maintenance of ports seabed.

Antonio Guarnieri et al.

 
Status: closed
Status: closed
AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment
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Status: closed
Status: closed
AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment
Printer-friendly Version - Printer-friendly version Supplement - Supplement

Antonio Guarnieri et al.

Antonio Guarnieri et al.

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Short summary
The extremely powerful jets of currents induced by vessels propellers in big passenger ports often induce unpredicted areas of erosion and deposition strongly impacting the ports operability. The capacity to fully understand and even predict these complex dynamics would be a tremendous help for ports operators in order to optimize the operational managing of the basins. In the present work we show how this is feasible by means of high-resolution modeling of hydrodynamics and sediment transport.