Evidence of a robust relationship between solar-induced chlorophyll fluorescence and gross primary productivity across dryland ecosystems of southwestern North America

William Kolby Smith1, Joel A Biederman2, Russell L Scott2, David J Moore1, John S Kimball3, Mingzhu He3, Dong Yan1, Amy Hudson1, Mallory Barnes1, Natasha MacBean1, Andrew M Fox1 and Marcy E Litvak4, (1)University of Arizona, School of Natural Resources and the Environment, Tucson, AZ, United States, (2)Agricultural Research Service Tucson, Southwest Watershed Research Center, Tucson, AZ, United States, (3)University of Montana, Missoula, MT, United States, (4)University of New Mexico, Albuquerque, NM, United States