1. Coastal Engineer, Philip Williams and Associates, Ltd., San Francisco, CA 94108 (corresponding author). E-mail: j.vandever@pwa-ltd.com; formerly, Virginia Institute of Marine Science, Gloucester Point, VA 23062.
2. General Manager, Nortek USA, Annapolis, MD 21403. E-mail: eric@nortekusa.com
3. Associate Professor, Virginia Institute of Marine Science, Gloucester Point, VA 23062. E-mail: brubaker@vims.edu
4. Professor, Virginia Institute of Marine Science, Gloucester Point, VA 23062. E-mail: cfried@vims.edu