A Comparative Study of the SMAP Passive Soil Moisture Product With Existing Satellite-Based Soil Moisture Products

  title={A Comparative Study of the SMAP Passive Soil Moisture Product With Existing Satellite-Based Soil Moisture Products},
  author={Mariko S. Burgin and Andreas Colliander and Eni G. Njoku and Steven Tsz K. Chan and François Cabot and Yann Kerr and Rajat Bindlish and Thomas J. Jackson and Dara Entekhabi and Simon H. Yueh},
  journal={IEEE Transactions on Geoscience and Remote Sensing},
The NASA Soil Moisture Active Passive (SMAP) satellite mission was launched on January 31, 2015 to provide global mapping of high-resolution soil moisture and freeze–thaw state every 2–3 days using an L-band (active) radar and an L-band (passive) radiometer. The Level 2 radiometer-only soil moisture product (L2_SM_P) provides soil moisture estimates posted on a 36-km Earth-fixed grid using brightness temperature observations from descending passes. This paper provides the first comparison of… CONTINUE READING

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