1. Assistant Professor, Dept. of Civil, Environmental, and Architectural Engineering, Univ. of Colorado Boulder, UCB 607, Boulder, CO 80309 (corresponding author).
2. Hydrologic Engineer, Bureau of Reclamation, 1777 Exposition Dr. Boulder, CO 80301.
3. Assistant Professor, Dept. of Civil and Environmental Engineering, Univ. of Illinois at Urbana–Champaign, 205 N. Mathews, Urbana, IL 61801.
4. Reader, Centre for Environmental Policy, Imperial College London, London SW7 2AZ, UK.
5. Vice President, HDR-David Ford Consulting Engineers, Inc., 2015 J St., Suite 200, Sacramento, CA 95811.
6. Professor Emeritus, Dept. of Civil, Architectural, and Environmental Engineering, Univ. of Texas at Austin, 301 E. Dean Keeton St., Stop C1700, Austin, TX 78712.
7. Distinguished Professor, Dept. of Civil and Environmental Engineering, Univ. of California, Irvine, 5200 Engineering Hall, Irvine, CA 92697.