1. Department of Civil and Environmental Engineering, Virginia Tech, 200 Patton Hall, Blacksburg, VA 24061, USA.
2. Center for Southeastern Tropical Advanced Remote Sensing, Rosenstiehl School of Marine and Atmospheric Science, University of Miami, 11811 SW 169th St., Miami, FL, 33177, USA.
3. Engineering Research and Development Center, Field Research Facility, US Army Corps of Engineers, 1261 Duck Road, Kitty Hawk, NC 27949, USA.