The aim of this paper is to propose an integrated low cost system for monitoring the performance of beach defence works during storms. For this purpose, the site of Igea Marina, Northern Adriatic Sea, Italy, which is protected by low crested detached breakwaters, is selected. The monitoring system is composed by a video installation, for the identification of the shoreline position and of the intertidal bathymetry at high space and time resolution, and a 2DH numerical model, to reconstruct the hydrodynamics induced by coastal defences. The accuracy of the monitoring system is verified against available measurements of waves and currents performed during a field campaign with acoustic doppler profilers. Assimilation of data on the shoreline position in 2DH model operatively working is challenging in the improvement of the production of risk maps. These show the current intensities and flooded areas during forecasted storms. First promising results suggest the possibility of setting up an early warning tool.
R. Archetti, B. Zanuttigh (2010). Integrated monitoring of the hydro-morphodynamics of a beach protected by low crested detached breakwaters. COASTAL ENGINEERING, 57, 879-891 [10.1016/j.coastaleng.2010.05.002].
Integrated monitoring of the hydro-morphodynamics of a beach protected by low crested detached breakwaters
ARCHETTI, RENATA;ZANUTTIGH, BARBARA
2010
Abstract
The aim of this paper is to propose an integrated low cost system for monitoring the performance of beach defence works during storms. For this purpose, the site of Igea Marina, Northern Adriatic Sea, Italy, which is protected by low crested detached breakwaters, is selected. The monitoring system is composed by a video installation, for the identification of the shoreline position and of the intertidal bathymetry at high space and time resolution, and a 2DH numerical model, to reconstruct the hydrodynamics induced by coastal defences. The accuracy of the monitoring system is verified against available measurements of waves and currents performed during a field campaign with acoustic doppler profilers. Assimilation of data on the shoreline position in 2DH model operatively working is challenging in the improvement of the production of risk maps. These show the current intensities and flooded areas during forecasted storms. First promising results suggest the possibility of setting up an early warning tool.I documenti in IRIS sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione.
