1. Dept. of Civil and Environmental Engineering, Stanford Univ., 450 Jane Stanford Way, Stanford, CA 94305; presently, U.S. Geological Survey, Reston, VA 20192 (corresponding author). ORCID: .
2. Professor, Dept. of Geography, Univ. of Florida, Gainesville, FL 32611. ORCID:
3. Professor, Dept. of Civil and Environmental Engineering, Stanford Univ., 450 Jane Stanford Way, Stanford, CA 94305. ORCID: