1. Department of Geosciences, University of Arkansas, Fayetteville, Arkansas
2. Physical Sciences Division, Earth System Research Laboratory, National Oceanic and Atmospheric Administration, Boulder, Colorado
3. Department/Center of Water Resources and Environment, and Guangdong Engineering Technology Research Center of Water Security Regulation and Control for Southern China, Sun Yat-Sen University, Guangzhou, China
4. Cooperative Institute for Research in Environmental Sciences, University of Colorado Boulder, Boulder, Colorado