title: Drought threatens California's levees.
authors: Department of Civil and Environmental Engineering, Mississippi State University, Mississippi State, MS 39762, USA. farshid@cee.msstate.edu.
authors: Farshid
authors: F
authors: Vahedifard
authors: Department of Civil and Environmental Engineering, University of California, Irvine, CA 92697, USA.
authors: Amir
authors: A
authors: AghaKouchak
authors: Department of Civil and Environmental Engineering, Mississippi State University, Mississippi State, MS 39762, USA.
authors: Joe D
authors: JD
authors: Robinson