Estimating wide-area evapotranspiration at multiple scales using optical vegetation index methods

Pamela L Nagler1, Edward Glenn2, Chris Jarchow1, Armando Barreto-munoz3, Kamel Didan3, Hamideh Nouri4, Sharolyn Anderson4 and Tanya Doody5, (1)USGS SW Biological Sci Ctr, Tucson, AZ, United States, (2)University of Arizona, Soil, Water, Environmental Sciences, Tucson, AZ, United States, (3)University of Arizona, Biosystems Engineering, Tucson, United States, (4)University of South Australia, Adelaide, SA, Australia, (5)CSIRO, Environment, Adelaide, SA, Australia