FN Archimer Export Format
PT J
TI Numerical modelling of three-dimensional wave-current interactions in complex environment: Application to Alderney Race
BT 
AF Bennis, Anne-Claire
   Furgerot, Lucille
   Bailly Du Bois, Pascal
   Dumas, Franck
   Odaka, Tina
   Lathuilière, Cyril
   Filipot, Jean-Francois
AS 1:1;2:2;3:3;4:4;5:5;6:4;7:6;
FF 1:;2:;3:;4:;5:PDG-ODE-LOPS-OH;6:;7:;
C1 Normandie Univ., UNICAEN, CNRS, UNIROUEN, Morphodynamique Continentale et Côtière (M2C), Caen, France
   Normandie Univ., UNICAEN, Laboratoire Universitaires des Sciences Appliquées de Cherbourg (LUSAC), Cherbourg en Cotentin, France
   IRSN, Laboratoire de Radioecologie de Cherbourg (LRC), Cherbourg en Cotentin, France
   Shom, HOM/REC, Brest, France
   University of Brest, CNRS, IRD, Ifremer, Laboratoire d’Océanographie Physique et Spatiale (LOPS), IUEM, Brest, France
   France Energies Marines (FEM), Plouzané, France
C2 UNIV CAEN NORMANDIE, FRANCE
   UNIV CAEN NORMANDIE, FRANCE
   IRSN, FRANCE
   SHOM, FRANCE
   IFREMER, FRANCE
   FRANCE ENERGIES MARINES (FEM), FRANCE
SI BREST
SE PDG-ODE-LOPS-OH
UM LOPS
IN WOS Ifremer UMR
   copubli-france
   copubli-univ-france
IF 2.979
TC 20
UR https://archimer.ifremer.fr/doc/00599/71155/73092.pdf
LA English
DT Article
CR HYD2M
AB Modelling three-dimensional wave-current-turbulence interactions in extreme tidal environments is still challenging and necessary for the development of the tidal industry, particularly for the dimensioning of tidal converters. Following this objective, we focus our study on the most energetic tidal site in Western Europe, the Alderney Race (France). Due to the strong tidal current at this location, wave-current interactions were poorly studied by the past and often neglected. We propose to assess how they impact the Alderney Race hydrodynamic by the use of numerical modelling and in-situ measurements. In this study, the following wave-current interactions were observed: (i) Stokes drift effects inducing an increase/decrease in the current depending on the angle between waves and current, with a maximum influence near the surface, (ii) wave enhancement of the bottom friction reducing the tidal current, (iii) refraction of waves by the current, generating changes in waves directions, and (iv) wave breaking ascribed to tidal current, increasing the turbulent mixing. A non-stationary time delay, varying within a same tidal cycle, was noted, which is reduced by including the local wind effects and by adjusting the bottom stress formulation. This study shows that wave-current interactions play a non-negligible role in Alderney Race although the strong tidal current and that they need to consider by the tidal industry. 
PY 2020
PD FEB
SO Applied Ocean Research
SN 0141-1187
PU Elsevier BV
VL 95
UT 000513290200009
DI 10.1016/j.apor.2019.102021
ID 71155
ER

EF