How much runoff originates as snow in the western United States and what its future changes tell us?

Dongyue Li, UCLA, Department of Geography, Los Angeles, CA, United States, Melissa Wrzesien, Ohio State University Main Campus, Columbus, United States, Michael T Durand, Ohio State University, School of Earth Sciences, Columbus, OH, United States, Jennifer C Adam, Washington State University, Civil and Environmental Engineering, Pullman, United States and Dennis P Lettenmaier, University of California Los Angeles, Los Angeles, CA, United States