1. Assistant Professor, School of Civil Engineering, Purdue Univ., 550 Stadium Mall Dr., West Lafayette, IN 47907 (corresponding author).
2. Associate Professor, Zachry Dept. of Civil Engineering, 3136 TAMU, Texas A&M Univ. College Station, TX 77843.
3. Postdoctoral Research Associate, Dept. of Agricultural and Biological Engineering, Purdue Univ., 225 South University St., West Lafayette, IN 47907.
4. President, Watershed Concepts, 4905 Koger Blvd., Suite 270, Greensboro, NC 27407.