Yepei Chen^1,2, Kaimin Sun¹, Chi Chen², Taejin Park³, Weile Wang⁴, Ramakrishna R Nemani⁴ and Ranga Myneni², (1)Wuhan University, State Key Laboratory of Information Engineering in Surveying, Mapping and Remote Sensing, Wuhan, China, (2)Boston University, Earth and Environment, Boston, MA, United States, (3)Boston University, Earth and Environment, Boston, United States, (4)NASA Ames Research Center, Moffett Field, CA, United States