Paul R. Houser, NASA/GSFC Hydrological Sciences
Paul R. Houser, Page 4 7-Jun-01
Background: Soil Moisture Observation
6.6 GHz
10.7 GHz
6.6 GHz
10.7 GHz
SMMR Polarization Ratio Mean
SMMR Polarization Ratio
Standard Deviation
Passive microwave remote sensing of soil moisture is limited by
vegetation and roughness.
ØFortunately, simulations generally show soil moisture is
important where we can measure it.
SMMR,
TRMM, SSMI, AMSR, SMOS, HYDROS, etc…