NASA NTRS · 19750049801
Soil moisture detection by Skylab's microwave sensors
Abstract
Terrain microwave backscatter and emission response to soil moisture variations are investigated using Skylab's 13.9 GHz RADSCAT (Radiometer-Scatterometer) system. Data acquired on June 5, 1973 over a test site in west-central Texas indicates a fair degree of correlation with composite rainfall. The scan mode was cross-track contiguous (CTC) with a pitch of 29.4 deg and no roll offset. Vertical polarization was employed with both radiometer and scatterometer. The composite rainfall was computed according to the flood prediction technique using rainfall data supplied by weather reporting stations.
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Ulaby, F. T., Barr, J., Sobti, A., Moore, R. K.. 1974-01-01. Soil moisture detection by Skylab's microwave sensors. https://ntrs.nasa.gov/citations/19750049801
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