Jeffrey P. Walker
Orcid: 0000-0002-4817-2712Affiliations:
- Monash University, Clayton, Vic, Australia
- University of Melbourne, Vic, Australia
According to our database1,
Jeffrey P. Walker
authored at least 135 papers
between 2001 and 2024.
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Bibliography
2024
Downscaling Passive Microwave Soil Moisture Estimates Using Stand-Alone Optical Remote Sensing Data.
IEEE Trans. Geosci. Remote. Sens., 2024
Comparison Between Thermal-Optical and L-Band Passive Microwave Soil Moisture Remote Sensing at Farm Scales: Towards UAV-Based Near-Surface Soil Moisture Mapping.
IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens., 2024
Evaluation of the Bayesian Downscaling Algorithm for Achieving Higher Resolution Soil Moisture Data.
IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens., 2024
A Comparison of Passive Microwave Emission Models for Estimating Brightness Temperature at L- and P-Bands Under Bare and Vegetated Soil Conditions.
IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens., 2024
A Soil Moisture Spatial Downscaling Method for Smap Using the Optical Trapezoid Model.
Proceedings of the IGARSS 2024, 2024
Multi-Layer Soil Moisture Estimation Using Combined L-and P-Band Radiometry: an Application of Machine Learning Algorithms.
Proceedings of the IGARSS 2024, 2024
2023
Toward an Improved Surface Roughness Parameterization Model for Soil Moisture Retrieval in Road Construction.
IEEE Trans. Geosci. Remote. Sens., 2023
IEEE Geosci. Remote. Sens. Lett., 2023
IEEE Geosci. Remote. Sens. Lett., 2023
Evaluating the Accuracy of Passive Microwave Emission Models for Estimating Brightness Temperature.
Proceedings of the IEEE International Geoscience and Remote Sensing Symposium, 2023
2022
IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens., 2022
Application of a Change Detection Soil Moisture Retrieval Algorithm to Combined, Semiconcurrent Radiometer, and Radar Observations.
IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens., 2022
IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens., 2022
Regularized Dual-Channel Algorithm for the Retrieval of Soil Moisture and Vegetation Optical Depth From SMAP Measurements.
IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens., 2022
Remote. Sens., 2022
Remote. Sens., 2022
GNSS-R Soil Moisture Retrieval for Flat Vegetated Surfaces Using a Physics-Based Bistatic Scattering Model and Hybrid Global/Local Optimization.
Remote. Sens., 2022
Environmental Effects on Brightness Temperature Observation From an L-Band Radiometer.
IEEE Geosci. Remote. Sens. Lett., 2022
IEEE Geosci. Remote. Sens. Lett., 2022
Root Zone Soil Moisture Profile Retrieval Using Combined L-Band and P-Band Radiometry.
Proceedings of the IEEE International Geoscience and Remote Sensing Symposium, 2022
2021
The Soil Moisture Active Passive Experiments: Validation of the SMAP Products in Australia.
IEEE Trans. Geosci. Remote. Sens., 2021
Soil Moisture Retrieval Depth of P- and L-Band Radiometry: Predictions and Observations.
IEEE Trans. Geosci. Remote. Sens., 2021
Microwave Radiometry at Frequencies From 500 to 1400 MHz: An Emerging Technology for Earth Observations.
IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens., 2021
Improved GNSS-R Altimetry Methods: Theory and Experimental Demonstration Using Airborne Dual Frequency Data from the Microwave Interferometric Reflectometer (MIR).
Remote. Sens., 2021
Single-Pass Soil Moisture Retrieval Using GNSS-R at L1 and L5 Bands: Results from Airborne Experiment.
Remote. Sens., 2021
IEEE Geosci. Remote. Sens. Lett., 2021
Fusion of Sentinel-2 and PlanetScope time-series data into daily 3 m surface reflectance and wheat LAI monitoring.
Int. J. Appl. Earth Obs. Geoinformation, 2021
Int. J. Appl. Earth Obs. Geoinformation, 2021
Int. J. Appl. Earth Obs. Geoinformation, 2021
Int. J. Appl. Earth Obs. Geoinformation, 2021
Parameter Considerations for the Retrieval of Surface Soil Moisture from Spaceborne GNSS-R.
Proceedings of the IEEE International Geoscience and Remote Sensing Symposium, 2021
2020
IEEE Trans. Geosci. Remote. Sens., 2020
Identification of Agricultural Row Features Using Optical Data for Scattering and Reflectance Modeling Over Periodic Surfaces.
IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens., 2020
Remote. Sens., 2020
Untangling the Incoherent and Coherent Scattering Components in GNSS-R and Novel Applications.
Remote. Sens., 2020
Sentinel-2 and Planetscope Data Fusion into Daily 3 M Images for Leaf Area Index Monitoring.
Proceedings of the IEEE International Geoscience and Remote Sensing Symposium, 2020
Untangling the GNSS-R Coherent and Incoherent Components: Experimental Evidences Over the Ocean.
Proceedings of the IEEE International Geoscience and Remote Sensing Symposium, 2020
First Experimental Evidence of Wind and Swell Signatures in L5 GPS and E5A Galileo GNSS-R Waveforms.
Proceedings of the IEEE International Geoscience and Remote Sensing Symposium, 2020
Proceedings of the IEEE International Geoscience and Remote Sensing Symposium, 2020
2019
Impact of Urban Cover Fraction on SMOS and SMAP Surface Soil Moisture Retrieval Accuracy.
IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens., 2019
Satellite Cross-Talk Impact Analysis in Airborne Interferometric Global Navigation Satellite System-Reflectometry with the Microwave Interferometric Reflectometer.
Remote. Sens., 2019
Proceedings of the 2019 IEEE International Geoscience and Remote Sensing Symposium, 2019
Impact of Window Size in Remote Sensing Based Glacier Feature Tracking - a Study on Chhota Shigri Glacier, Western Himalayas, India.
Proceedings of the 2019 IEEE International Geoscience and Remote Sensing Symposium, 2019
Seasonal Dependence of SMAP Radiometer-Based Soil Moisture Performance as Observed Over Core Validation Sites.
Proceedings of the 2019 IEEE International Geoscience and Remote Sensing Symposium, 2019
2018
Analysis of Data Acquisition Time on Soil Moisture Retrieval From Multiangle L-Band Observations.
IEEE Trans. Geosci. Remote. Sens., 2018
Investigation of SMAP Active-Passive Downscaling Algorithms Using Combined Sentinel-1 SAR and SMAP Radiometer Data.
IEEE Trans. Geosci. Remote. Sens., 2018
The Polarimetric L-Band Imaging Synthetic Aperture Radar (PLIS): Description, Calibration, and Cross-Validation.
IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens., 2018
Evaluation of the Tau-Omega Model for Passive Microwave Soil Moisture Retrieval Using SMAPEx Datasets.
IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens., 2018
IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens., 2018
IEEE Geosci. Remote. Sens. Lett., 2018
Soil Moisture Retrieval over Agricultural Fields from Time Series Multi-Angular L-Band Radar Data.
Proceedings of the 2018 IEEE International Geoscience and Remote Sensing Symposium, 2018
Towards Multi-Frequency Soil Moisture Retrieval Using P- and L-Band Passive Microwave Sensing Technology.
Proceedings of the 2018 IEEE International Geoscience and Remote Sensing Symposium, 2018
Preliminary End- to-End Results of the MIR Instrument: the Microwave Interferometric Reflectometer.
Proceedings of the 2018 IEEE International Geoscience and Remote Sensing Symposium, 2018
Proceedings of the 2018 IEEE International Geoscience and Remote Sensing Symposium, 2018
L-, C- and X-Band Passive Microwave Soil Moisture Retrieval Algorithm Parameterization Using in Situ Validation Sites.
Proceedings of the 2018 IEEE International Geoscience and Remote Sensing Symposium, 2018
High Resolution Soil Moisture Product Based on Smap Active-Passive Approach Using Copernicus Sentinel 1 Data.
Proceedings of the 2018 IEEE International Geoscience and Remote Sensing Symposium, 2018
Proceedings of the 2018 IEEE International Geoscience and Remote Sensing Symposium, 2018
2017
IEEE Trans. Geosci. Remote. Sens., 2017
Fusing Microwave and Optical Satellite Observations to Simultaneously Retrieve Surface Soil Moisture, Vegetation Water Content, and Surface Soil Roughness.
IEEE Trans. Geosci. Remote. Sens., 2017
A Time-Series Approach to Estimating Soil Moisture From Vegetated Surfaces Using L-Band Radar Backscatter.
IEEE Trans. Geosci. Remote. Sens., 2017
Surface Soil Moisture Retrieval Using the L-Band Synthetic Aperture Radar Onboard the Soil Moisture Active-Passive Satellite and Evaluation at Core Validation Sites.
IEEE Trans. Geosci. Remote. Sens., 2017
Intercomparison of Alternate Soil Moisture Downscaling Algorithms Using Active-Passive Microwave Observations.
IEEE Geosci. Remote. Sens. Lett., 2017
An Extension of the Alpha Approximation Method for Soil Moisture Estimation Using Time-Series SAR Data Over Bare Soil Surfaces.
IEEE Geosci. Remote. Sens. Lett., 2017
Fusing microwave and optical satellite observations for high resolution soil moisture data products.
Proceedings of the 2017 IEEE International Geoscience and Remote Sensing Symposium, 2017
Proceedings of the 2017 IEEE International Geoscience and Remote Sensing Symposium, 2017
Proceedings of the 2017 IEEE International Geoscience and Remote Sensing Symposium, 2017
Evaporation-based disaggregation of surface soil moisture data: The dispatch method, the CATDS product and on-going research.
Proceedings of the 2017 IEEE International Geoscience and Remote Sensing Symposium, 2017
Proceedings of the 2017 IEEE International Geoscience and Remote Sensing Symposium, 2017
Multi-frequency radiometer-based soil moisture retrieval algorithm parametrization using in situ validation sites.
Proceedings of the 2017 IEEE International Geoscience and Remote Sensing Symposium, 2017
Proceedings of the 2017 IEEE International Geoscience and Remote Sensing Symposium, 2017
Proceedings of the 2017 IEEE International Geoscience and Remote Sensing Symposium, 2017
Proceedings of the 2017 IEEE International Geoscience and Remote Sensing Symposium, 2017
2016
IEEE Trans. Geosci. Remote. Sens., 2016
Soil Moisture Retrieval in Agricultural Fields Using Adaptive Model-Based Polarimetric Decomposition of SAR Data.
IEEE Trans. Geosci. Remote. Sens., 2016
CHP Toolkit: Case Study of LAIe Sensitivity to Discontinuity of Canopy Cover in Fruit Plantations.
IEEE Trans. Geosci. Remote. Sens., 2016
IEEE Trans. Geosci. Remote. Sens., 2016
IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens., 2016
Application of Remote Sensing Data to Constrain Operational Rainfall-Driven Flood Forecasting: A Review.
Remote. Sens., 2016
How Universal Is the Relationship between Remotely Sensed Vegetation Indices and Crop Leaf Area Index? A Global Assessment.
Remote. Sens., 2016
Proceedings of the 2016 IEEE International Geoscience and Remote Sensing Symposium, 2016
Proceedings of the 2016 IEEE International Geoscience and Remote Sensing Symposium, 2016
Proceedings of the 2016 IEEE International Geoscience and Remote Sensing Symposium, 2016
Proceedings of the 2016 IEEE International Geoscience and Remote Sensing Symposium, 2016
Proceedings of the 2016 IEEE International Geoscience and Remote Sensing Symposium, 2016
2015
A Cumulative Distribution Function Method for Normalizing Variable-Angle Microwave Observations.
IEEE Trans. Geosci. Remote. Sens., 2015
IEEE Trans. Geosci. Remote. Sens., 2015
Copula-Based Downscaling of Coarse-Scale Soil Moisture Observations With Implicit Bias Correction.
IEEE Trans. Geosci. Remote. Sens., 2015
IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens., 2015
Mapping Flooded Rice Paddies Using Time Series of MODIS Imagery in the Krishna River Basin, India.
Remote. Sens., 2015
Effect of Land-Cover Type on the SMAP Active/Passive Soil Moisture Downscaling Algorithm Performance.
IEEE Geosci. Remote. Sens. Lett., 2015
2014
Sensitivity of L-Band Radar Backscatter to Forest Biomass in Semiarid Environments: A Comparative Analysis of Parametric and Nonparametric Models.
IEEE Trans. Geosci. Remote. Sens., 2014
Toward Vicarious Calibration of Microwave Remote-Sensing Satellites in Arid Environments.
IEEE Trans. Geosci. Remote. Sens., 2014
The Soil Moisture Active Passive Experiments (SMAPEx): Toward Soil Moisture Retrieval From the SMAP Mission.
IEEE Trans. Geosci. Remote. Sens., 2014
Evaluation of IEM, Dubois, and Oh Radar Backscatter Models Using Airborne L-Band SAR.
IEEE Trans. Geosci. Remote. Sens., 2014
IEEE Trans. Geosci. Remote. Sens., 2014
Foreword to the Special Issue on the 2013 IEEE International Geoscience and Remote Sensing Symposium.
IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens., 2014
IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens., 2014
IEEE Geosci. Remote. Sens. Lett., 2014
Similarities Between Spaceborne Active and Airborne Passive Microwave Observations at 1 km Resolution.
IEEE Geosci. Remote. Sens. Lett., 2014
IEEE Geosci. Remote. Sens. Lett., 2014
Improving the Accuracy of Soil Moisture Retrievals Using the Phase Difference of the Dual-Polarization GNSS-R Interference Patterns.
IEEE Geosci. Remote. Sens. Lett., 2014
Proceedings of the 2014 IEEE Geoscience and Remote Sensing Symposium, 2014
The light airborne reflectometer for GNSS-R observations (LARGO) instrument: Initial results from airborne and Rover field campaigns.
Proceedings of the 2014 IEEE Geoscience and Remote Sensing Symposium, 2014
2013
Proceedings of the 2013 IEEE International Geoscience and Remote Sensing Symposium, 2013
Proceedings of the 2013 IEEE International Geoscience and Remote Sensing Symposium, 2013
Proceedings of the 2013 IEEE International Geoscience and Remote Sensing Symposium, 2013
Sensitivity of TerraSAR-X-band data to surface parameters in bare agricultural areas.
Proceedings of the 2013 IEEE International Geoscience and Remote Sensing Symposium, 2013
Preliminary leaf area index estimates from airborne small footprint full-waveform LiDAR data.
Proceedings of the 2013 IEEE International Geoscience and Remote Sensing Symposium, 2013
2012
Wheat Canopy Structure and Surface Roughness Effects on Multiangle Observations at L-Band.
IEEE Trans. Geosci. Remote. Sens., 2012
IEEE Trans. Geosci. Remote. Sens., 2012
Multidimensional Disaggregation of Land Surface Temperature Using High-Resolution Red, Near-Infrared, Shortwave-Infrared, and Microwave-L Bands.
IEEE Trans. Geosci. Remote. Sens., 2012
IEEE Geosci. Remote. Sens. Lett., 2012
Proceedings of the 2012 IEEE International Geoscience and Remote Sensing Symposium, 2012
COSMO-SkyMed multi-temporal data for land cover classification and soil moisture retrieval over an agricultural site in Southern Australia.
Proceedings of the 2012 IEEE International Geoscience and Remote Sensing Symposium, 2012
2011
IEEE Trans. Geosci. Remote. Sens., 2011
Sensitivity of Passive Microwave Observations to Soil Moisture and Vegetation Water Content: L-Band to W-Band.
IEEE Trans. Geosci. Remote. Sens., 2011
IEEE Geosci. Remote. Sens. Lett., 2011
2010
Validation of the ASAR Global Monitoring Mode Soil Moisture Product Using the NAFE'05 Data Set.
IEEE Trans. Geosci. Remote. Sens., 2010
Use of Soil Moisture Variability in Artificial Neural Network Retrieval of Soil Moisture.
Remote. Sens., 2010
2009
Using Passive Microwave Response to Soil Moisture Change for Soil Mapping: A Case Study for the Livingstone Creek Catchment.
IEEE Geosci. Remote. Sens. Lett., 2009
Improved Understanding of Soil Surface Roughness Parameterization for L-Band Passive Microwave Soil Moisture Retrieval.
IEEE Geosci. Remote. Sens. Lett., 2009
IEEE Geosci. Remote. Sens. Lett., 2009
Assessing the SMOS Soil Moisture Retrieval Parameters With High-Resolution NAFE'06 Data.
IEEE Geosci. Remote. Sens. Lett., 2009
Parameterization of the Land Parameter Retrieval Model for L-Band Observations Using the NAFE'05 Data Set.
IEEE Geosci. Remote. Sens. Lett., 2009
2008
The NAFE'05/CoSMOS Data Set: Toward SMOS Soil Moisture Retrieval, Downscaling, and Assimilation.
IEEE Trans. Geosci. Remote. Sens., 2008
IEEE Trans. Geosci. Remote. Sens., 2008
Comparison of Microwave and Infrared Land Surface Temperature Products Over the NAFE'06 Research Sites.
IEEE Geosci. Remote. Sens. Lett., 2008
KU-Band Sensitivity to Soil Moisture. An Evaluation Study for Monitoring Temporal Soil Moisture Change Detection Over the NAFE06 Study Area.
Proceedings of the IEEE International Geoscience & Remote Sensing Symposium, 2008
Input Pattern According to Standard Deviation of Backpropagation Neural Network: Influence on Accuracy of Soil Moisture Retrieval.
Proceedings of the IEEE International Geoscience & Remote Sensing Symposium, 2008
Explicit Inverse of Soil Moisture Retrieval with an Artificial Neural Network Using Passive Microwave Remote Sensing Data.
Proceedings of the IEEE International Geoscience & Remote Sensing Symposium, 2008
2007
Proceedings of the IEEE International Geoscience & Remote Sensing Symposium, 2007
2006
A method for retrieving high-resolution surface soil moisture from hydros L-band radiometer and Radar observations.
IEEE Trans. Geosci. Remote. Sens., 2006
2003
Importance of soil moisture measurements for inferring parameters in hydrologic models of low-yielding ephemeral catchments.
Environ. Model. Softw., 2003
2001
A methodology for surface soil moisture and vegetation optical depth retrieval using the microwave polarization difference index.
IEEE Trans. Geosci. Remote. Sens., 2001