1. Coastal Engineer, HDR, Inc., 555 N. Carancahua, Suite 1600, Corpus Christi, TX 78401 (corresponding author).
2. Professor, School of Civil and Construction Engineering, Oregon State Univ., 220 Owen Hall, Corvallis, OR 97331-2302.
3. Graduate Student, School of Civil and Construction Engineering, Oregon State Univ., 220 Owen Hall, Corvallis, OR 97331-2302.