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The effect of free vegetation water on the multi-frequency and polarimetric radar backscatter - first results from the TerraDew 2000 campaign

M. Herold, C. Pathe, C.C. Schmullius
IGARSS 2001. Scanning the Present and Resolving the Future. Proceedings. IEEE 2001 International Geoscience and Remote Sensing Symposium (Cat. No.01CH37217)  

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This paper presents the first results of the TerraDew research project about the effects of free vegetation water on the radar backscatter signal. The investigations are based on intensive SAR and f ield measurements of diurnal free vegetation water changes in different vegetation types. The results show a systematic backscatter influence in dependence of the investigated backscatter features (wavelength, polarization, vegetation structure, amount of free vegetation water). The highest
more » ... er increase is found at C-VV and for grassland (up to 4.5 dB), no significant backscatter change is indicated for L-VV and forested areas. The further investigations will focus on the physical description and simulation of these effects to include them in backscatter models and the evaluation of the impacts for thematic SAR data analysis.
doi:10.1109/igarss.2001.978030 fatcat:zadcbxpbtbbshndiot5rpncctq
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M. Herold, C. Pathe, C.C. Schmullius. "The effect of free vegetation water on the multi-frequency and polarimetric radar backscatter - first results from the TerraDew 2000 campaign." IGARSS 2001. Scanning the Present and Resolving the Future. Proceedings. IEEE 2001 International Geoscience and Remote Sensing Symposium (Cat. No.01CH37217)