1. Assistant Development Engineer, Hydrologic Research Laboratory, Dept. of Civil and Environmental Engineering, Univ. of California, Davis, CA 95616.
2. Professor, Hydrologic Research Laboratory, Dept. of Civil and Environmental Engineering, Univ. of California, Davis, CA 95616 (corresponding author).
3. Postdoctoral Researcher, Hydrologic Research Laboratory, Dept. of Civil and Environmental Engineering, Univ. of California, Davis, CA 95616.
4. Water Resources Engineer, California Dept. of Water Resources, 1416 9th St., Sacramento, CA 95814.