Lessons on Water Use Efficiency from Water Vapor and CO2 Flux observations over Vineyards Across the Californian Mediterranean Climate Gradient

Nicolas E Bambach-Ortiz1, Maria Mar Alsina2, William P Kustas3, Joseph G Alfieri3, Lawrence Hipps4, Lynn McKee3, John H Prueger5, Nick Dokoozlian2 and Andrew J McElrone6, (1)University of California Davis, Davis, CA, United States, (2)E&J Gallo, Modesto, United States, (3)U. S. Department of Agriculture, Agricultural Research Service, Hydrology and Remote Sensing Laboratory, Beltsville, MD, United States, (4)Utah State University, Plants, Soils and Climate Department, Logan, UT, United States, (5)U. S. Department of Agriculture, Agricultural Research Service, National Laboratory for Agriculture and Environment, Ames, IA, United States, (6)USDA ARS, Department of Viticulture and Enology, UC Davis, Davis, CA, United States