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Jagdhuber, Thomas
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Publications (7/7 displayed)
- 2022Remote sensing of complex permittivity and penetration depth of soils using P-band SAR polarimetrycitations
- 2022Remote Sensing of Complex Permittivity and Penetration Depth of Soils Using P-Band SAR Polarimetrycitations
- 2021Complex Permittivity and Penetration Depth Estimation from Airborne P-Band SAR Data Applying a Hybrid Decomposition Methodcitations
- 2020Simultaneous Retrieval of Surface Roughness Parameters for Bare Soils from Combined Active-Passive Microwave SMAP Observationscitations
- 2019Impact of permittivity patterns on fully polarimetric brightness temperature signatures at l-bandcitations
- 2019Simultaenous Retrieval of Surface Roughness Parameters from Combined Active-Passive SMAP Observations
- 2018Fully Polarimetric L-Band Brightness Temperature Signatures of Azimuthal Permittivity Patterns - Measurements and Model Simulations
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document
Complex Permittivity and Penetration Depth Estimation from Airborne P-Band SAR Data Applying a Hybrid Decomposition Method
Abstract
A method for estimating complex soil permittivity (ormoisture) and penetration depth based on SARdecomposition is presented. By combining model- and eigenbased decomposition techniques in a non-iterative way, SARobservations are separated into single scattering components(soil, vegetation). The proposed method incorporates a multilayer rough surface scattering model to simulate the soilscattering contribution. Hence, permittivity and penetrationdepth can be estimated from SAR observations. Results arepresented for the AirMOSS campaign within the MOISSTsite, OK, USA. As first results, a median value of 15.7 ± 2.03for the complex permittivity was estimated from the 19 Pband data takes at the SoilSCAPE in situ station in Canton,OK, USA. Overall, the retrieval results for the real part of thecomplex permittivity are similar to in situ values at 30 cm soildepth, with differences in respective median values of ~2.7.Finally, the median of penetration depths at the Canton site is21.5 cm.