1. Professor and Director, Hydrology and Hydraulics Graduate Program, Civil Engineering, Univ. of Colorado Denver, P.O. Box 173363, Campus Box 113, Denver, CO 80217-3363 (corresponding author).
2. Ph.D. Candidate, Civil Engineering, Univ. of Colorado Denver, P.O. Box 173363, Campus Box 113, Denver, CO 80217-3363.