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Microwave radiometry at low frequencies (L-band, ~ 1.4 GHz) has been known as an optimal solution for remote- sensing of soil moisture. However, the antenna size required to achieve an appropriate resolution from space has limited the development of spaceborne L-band radiometers. This problem can be addressed by interferometric technology called aperture synthesis. The Soil Moisture and Ocean Salinity...
A two-source (soil + vegetation) energy balance model using microwave-derived near-surface soil moisture has been successfully applied in areas of relatively low vegetation cover. The utility of this approach in areas with high vegetation cover is explored and compared with a two-source scheme using thermal infrared data. The investigation used data collected over areas of high corn and soybean cover...
Soil Moisture Experiments 2003 (SMEX03) was the second in a series of field campaigns using the NOAA Polarimetric Scanning Radiometer (PSR/CX) designed to validate brightness temperature data and soil moisture retrieval algorithms for the Advanced Microwave Scanning Radiometer on the Aqua satellite. Data from the TRMM Microwave Imager were also used for X-band comparisons. The study was conducted...
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