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| Title: | THE INFLUENCE OF THE NEARSHORE BATHYMETRY ON THE EVOLUTION OF BREAKING WAVE-INDUCED MACROVORTICES | |
| DOI No: | 10.1142/9789812709554_0074 | |
| Source: | COASTAL ENGINEERING 2006 (pp 861-873) | |
| Author(s): | Luciano Soldini
Istituto di Idraulica e Infrastrutture Viarie, Università Politecnica delle Marche, Via Brecce Bianche 12, Ancona, 60131, Italy Carlo Lorenzoni Istituto di Idraulica e Infrastrutture Viarie, Università Politecnica delle Marche, Via Brecce Bianche 12, Ancona, 60131, Italy Maurizio Brocchini Istituto di Idraulica e Infrastrutture Viarie, Università Politecnica delle Marche, Via Brecce Bianche 12, Ancona, 60131, Italy Andrew B. Kennedy Department of Civil & Coastal Engineering, University of Florida, Gainesville, FL, 32611-6590, USA |
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| Abstract: | The horizontal mixing on nearshore flows characterized by non-uniform topographies is studied with specific focus on the interpretation of the statistics of passive tracers. Two different data sets have been used and the discrepancies/similarities between the same statistics derived from the two experiments have been explained in relation to the specific experimental conditions. The main sources of discrepancy seem to be the different seeding procedure (leads to changes in the ballistic regime), the varying confinement effects due to the basin boundaries and to the different still-water free board in use (both lead to differences in the asymptotic value of the eddy diffusivity). Notwithstanding these differences use of both data sets leads to an improved formulation for the eddy viscosity (equation 6). | |
| Full Text: | View full text in PDF format (1421KB) | |
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