PROJECT SUPPORTERS STUDY LOCATION United States Bureau of Reclamation USDA-ARS Arid Land Agricultural Research Center Yuma County Agriculture Water Coalition Various Grower Cooperators NASA Jet Propulsion Laboratory NASA Goddard Space Flight Center UA Experiment Station Strategic Research Investment Funds UA Water, Environmental and Energy Solutions –TRIF Project Funds Arizona Department of Ag Specialty Crop Block Grant Program Arizona Citrus Research Council Arizona Grain Research and Promotion Council (AGRPC) Arizona Iceberg Lettuce Research Council (AILRC) COLLABORATING RESEARCHERS University of Arizona • Dr. Charles A. Sanchez • Dr. Paul Brown • Dr. Dawit Zerihun • Dr. Mazin Saber • Dr. Juan Gonzalez Cena OBJECTIVES High-tech irrigation & soil salinity management research study in Yuma County, Arizona EVAPOTRANSPIRATION & SALINITY MONITORED AT MULTIPLE SCALES Quantitative Assessments of Water and Salt Balance for Cropping Systems in the Lower Colorado River Region USDA-ARS Arid Land Ag Research Center • Dr. Andy French • Dr. Clinton Williams • Dr. Eduardo Bautista • Satellite Imagery (10 – 30 m) • Landsat • Sentinel 2a/2b • VENuS • ECOSTRESS • Aerial Imagery (cm – m) • UAV sensors • Field Scale • Eddy Covariance • Large Aperture Scintillometers • Conductance Survey (EM-38) • Point Measurements • Sensors and data loggers • Soil samples and analysis Ongoing data collection and analysis aimed at understanding water and salt balance for multiple cropping rotations during the annual production cycle • Quantitatively track water use and soil salt balance to determine beneficial use across typical crop production systems and rotations over a 3 year period. • Develop mobile apps that take into account actual crop ET and required leaching coefficient to assist growers with irrigation decisions.