[1] Univ Politecn Cataluna, Lab Engn Maritima LIM UPC, Barcelona 08031, Spain
[2] Ctr Int Invest Recursos Costaners, Barcelona 08034, Spain
[3] Natl Oceanog Ctr, Liverpool, Merseyside, England
[4] Katholieke Univ Leuven, Hydraul Lab, Heverlee, Belgium