Passive L-Band Microwave Remote Sensing of Organic Soil Surface Layers: A Tower-Based Experiment
Abstract
:1. Introduction
2. Materials and Methods
2.1. Experimental Setup
2.2. L-Band Radiometer
2.3. Radiative Transfer Model
2.4. Ground-Penetrating Radar Measurements of Soil Surface Roughness
2.5. Laboratory Measurements of Vegetation and Soil Water Content
2.6. Meteorological Data
3. Results
3.1. L-Band Brightness Temperature Measurements
3.2. In Situ Measurements
3.3. Inversion of L-Band Brightness Temperature Data
3.3.1. Soil Roughness Parameter
3.3.2. Effective Vegetation Scattering Albedo and Vegetation Optical Depth
3.3.3. Soil Relative Dielectric Permittivity
3.4. Response Surface Analysis
4. Discussion
4.1. Soil Roughness and Effective Vegetation Scattering Albedo Parameters
4.2. Soil Relative Dielectric Permittivity Retrieval
5. Conclusions
Acknowledgments
Author Contributions
Conflicts of Interest
References
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3 cm Depth | 10 cm Depth | |
---|---|---|
a 1 | 0.17 (0.16, 0.18) | 0.35 (0.33, 0.36) |
b 1 | 10.03 (9.79, 10.27) | 7.41 (7.01, 7.80) |
r | 0.50 | 0.49 |
bias | −10.74 | −5.63 |
ubRMSE | 3.77 | 1.84 |
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Jonard, F.; Bircher, S.; Demontoux, F.; Weihermüller, L.; Razafindratsima, S.; Wigneron, J.-P.; Vereecken, H. Passive L-Band Microwave Remote Sensing of Organic Soil Surface Layers: A Tower-Based Experiment. Remote Sens. 2018, 10, 304. https://doi.org/10.3390/rs10020304
Jonard F, Bircher S, Demontoux F, Weihermüller L, Razafindratsima S, Wigneron J-P, Vereecken H. Passive L-Band Microwave Remote Sensing of Organic Soil Surface Layers: A Tower-Based Experiment. Remote Sensing. 2018; 10(2):304. https://doi.org/10.3390/rs10020304
Chicago/Turabian StyleJonard, François, Simone Bircher, François Demontoux, Lutz Weihermüller, Stephen Razafindratsima, Jean-Pierre Wigneron, and Harry Vereecken. 2018. "Passive L-Band Microwave Remote Sensing of Organic Soil Surface Layers: A Tower-Based Experiment" Remote Sensing 10, no. 2: 304. https://doi.org/10.3390/rs10020304