NASA NTRS · 19930053198
Intercomparisons between passive and active microwave remote sensing, and hydrological modeling for soil moisture
Abstract
Soil moisture estimations from a distributed hydrological model and two microwave sensors were compared with ground measurements collected during the MAC-HYDRO'90 experiment. The comparison was done with the purpose of evaluating the performance of the hydrological model and examining the limitations of remote sensing techniques used in soil moisture estimation. An image integration technique was used to integrate and analyze rainfall, soil properties, land cover, topography, and remote sensing imagery. Results indicate that the hydrological model and microwave sensors successfully picked up temporal variations of soil moisture and that the spatial soil moisture pattern may be remotely sensed with reasonable accuracy using existing algorithms.
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Wood, E. F., Lin, D.-S., Mancini, M., Thongs, D., Troch, P. A., Jackson, T. J., Famiglietti, J. S., Engman, E. T.. 1993-05-01. Intercomparisons between passive and active microwave remote sensing, and hydrological modeling for soil moisture. https://ntrs.nasa.gov/citations/19930053198
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