Ray G. Anderson, USDA-ARS, Riverside, CA, US, Joseph G Alfieri, Bldg 007, Rm 104, BARC-W, USDA-ARS, Beltsville, MD, Jim L Gartung, USDA-Agricultural Research Service, Parlier, CA, Lynn McKee, Hydrology and Remote Sensing Lab., USDA-ARS, Beltsville, MD, Rebecca tirado-corbala, Agroenvironmental Sciences Department, University of Puerto Rico, Mayaguez Campus, Mayaguez, PR, John H. Prueger, USDA-ARS National Laboratory for Agriculture and the Environment, Ames, IA, US, Dong Wang, Water Management Research Unit, USDA-ARS, Parlier, CA and William Kustas, USDA-ARS Hydrology and Remote Sensing Laboratory, Beltsville, MD, US