Declining runoff efficiency in the Southwestern US and implications for forecasting and water management

Flavio Lehner1, Andrew W Wood1, Dagmar Llewellyn2 and Douglas B Blatchford3, (1)National Center for Atmospheric Research, Boulder, CO, United States, (2)United States Bureau of Reclamation, Albuquerque, NM, United States, (3)Bureau of Reclamation Boulder City, Boulder City, NV, United States