1. Senior Project Manager, Woolpert Inc., 415 Port Centre Parkway, Suite 101, Portsmouth, VA 23704-4924 (corresponding author). E-mail: deva.boral@woolpert.com
2. Agricultural Engineer and Research Hydraulic Engineer, USDA-ARS Grassland Soil and Water Research Laboratory, 808 East Blackland Rd., Temple, TX 76502. E-mail: jgarnold@spa.ars.usda.gov
3. Senior Modeler, Borah Hydro-Environmental Modeling, 2812 Valley Brook Drive, Champaign, IL 61822-7621. E-mail: maitreyeebera@yahoo.com
4. Biogeochemist, Office of the Chief, Illinois State Water Survey, IDNR & UIUC, 2204 Griffith Dr., Champaign, IL 61820-7495. E-mail: krug@sws.uiuc.edu
5. Professional Scientist, Center for Atmospheric Science, Illinois State Water Survey, IDNR and UIUC, 2204 Griffith Dr., Champaign, IL 61820-7495. E-mail: xliang@uiuc.edu