1. Professor, Dept. of Ocean Engineering, Univ. of Rhode Island, Narragansett, RI 02882. E-mail: grilli@oce.uri.edu
2. Institute de Recherche pour le Développement, IRD, Géosciences Azur, CNRS-IRD-UNSA-UPMC, 2 Quai de la darse, 06235, Villefranche-sur-mer, France. E-mail: mansour.ioualalen@geoazur.obs-vlfr.fr
3. Dept. of Mathematics, Chulalongkorn Univ., Bangkok 10330, Thailand.
4. Center for Applied Coastal Research, Univ. of Delaware, Newark, DE 19761.
5. Applied Fluids Engineering, Inc., 5710 E. 7th St., Long Beach, CA 90803.