1. Postdoctoral Researcher, Dept. of Civil Engineering, New Mexico State Univ., Box 30001, MSC 3CE, Las Cruces, NM 88003-0001 (corresponding author).
2. Associate Professor, Dept. of Civil Engineering, New Mexico State Univ., Box 30001, MSC 3CE, Las Cruces, NM 88003-0001.
3. Modeling Hydrologist, Land and Water Div., Commonwealth Scientific and Industrial Research Organization (CSIRO), P.O. Box 56, Highett, VIC 3190, Australia.