1. Assistant Professor and Director, DeFrees Hydraulics Laboratory, School of Civil and Environmental Engineering, Hollister Hall, Cornell Univ., Ithaca, NY 14853-3501.
2. Graduate Student, School of Civil and Environmental Engineering, Hollister Hall, Cornell Univ., Ithaca, NY 14853-3501.
3. Professor, School of Civil and Environmental Engineering, Hollister Hall, Cornell Univ., Ithaca, NY 14853-3501.
4. Assistant Scientist, Applied Ocean Physics and Engineering, Woods Hole Oceanographic Institution, Mail stop: 12, Woods Hole, MA 02543.