1. Research Scientist, National Center for Computational Hydroscience and Engineering, Univ. of Mississippi, Carrier Hall 102, University, MS 38677 (corresponding author).
2. Research Professor, National Center for Computational Hydroscience and Engineering, Univ. of Mississippi, Carrier Hall 102, University, MS 38677.
3. Research Ecologist, National Sedimentation Laboratory, U.S. Dept. of Agriculture, Agricultural Research Service, Oxford, MS 38655.
4. Research Hydraulic Engineer, National Sedimentation Laboratory, U.S. Dept. of Agriculture, Agricultural Research Service, Oxford, MS 38655.
5. F.A.P. Barnard Distinguished Professor and Director, National Center for Computational Hydroscience and Engineering, Univ. of Mississippi, Carrier Hall 102, University, MS 38677.