The Soil Moisture Active Passive Experiments (SMAPEx): Toward Soil Moisture Retrieval From the SMAP Mission.
Rocco PancieraJeffrey P. WalkerThomas J. JacksonDouglas A. GrayMihai A. TanaseDongryeol RyuAlessandra MonerrisHeath YardleyChristoph RüdigerXiaoling WuYing GaoJörg M. HackerPublished in: IEEE Trans. Geosci. Remote. Sens. (2014)