Analysis of active-passive complementarity and its dependence on vegetation and surface roughness from SMAP observations

Jiangyuan Zeng1, Kun-Shan Chen1, Dara Entekhabi2, Ruzbeh Akbar2, Hui Lu3, Tianjie Zhao1, Panpan Yao1, Huizhen Cui4, Kaighin A Mccoll2, Ming Jin1, Yu Liu1 and Xu Peng1, (1)RADI Institute of Remote Sensing and Digital Earth, Chinese Academy of Sciences, State Key Laboratory of Remote Sensing Science, Beijing, China, (2)Massachusetts Institute of Technology, Department of Civil and Environmental Engineering, Cambridge, MA, United States, (3)Tsinghua University, Department of Earth System Science, Beijing, China, (4)Beijing Normal University, State Key Laboratory of Remote Sensing Science, School of Geography, Beijing, China