Conceptual and computational challenges in continental-domain hydrologic model parameter estimation: VIC applications over the contiguous USA

Naoki Mizukami1, Martyn P Clark1, Andrew James Newman2, Bart Nijssen3, Luis Samaniego4, Levi D Brekke5, Jeffrey Richard Arnold6 and Andrew W Wood7, (1)National Center for Atmospheric Research, Boulder, United States, (2)University Corporation for Atmospheric Research, Boulder, CO, United States, (3)University of Washington Seattle Campus, Seattle, WA, United States, (4)Helmholtz Centre for Environmental Research UFZ Leipzig, Computation Hydrosystems, Leipzig, Germany, (5)Bureau of Reclamation, Research and Development, Denver, United States, (6)US Army Corps of Engineers, Jacksonville, FL, United States, (7)National Center for Atmospheric Research, Boulder, CO, United States