Estimation of pasture biomass and soil-moisture using dual-polarimetric X and L band SAR - accuracy assessment with field data
Date
2010
Authors
Dhar, T.
Menges, C.
Douglas, J.
Schmidt, M.
Armston, J.
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Conference paper
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Proceedings: 2010 IEEE International Geoscience & Remote Sensing Symposium, July 25—30, 2010 Honolulu, Hawaii, U.S.A.: pp.1450-1453
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Tishampati Dhar, Carl Menges, John Douglas, Michael Schmidt and John Armston
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IEEE International Geoscience and Remote Sensing Symposium (2010 : Honolulu, Hawaii)
Abstract
This paper presents the results of a study conducted to relate X and L band polarimetric SAR backscatter to pasture soil moisture and biomass as part of an environmental monitoring program. Extensive field data was collected concurrently with satellite SAR data acquisition - including dry/wet above ground biomass, soil moisture, surface roughness profiles and EM-38 electromagnetic sensor data. This data is used for both electromagnetically modeling the surface to work out the theoretical backscatter as well as empirical fitting regression models to the recorded SAR data and validation of existing inversion models.
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© 2010 IEEE