An airborne simulation of the SMAP data stream. - Jeffrey P. Walker; Peggy O'Neill; Xiaoling Wu 001; Ying Gao 002; Alessandra Monerris; Rocco Panciera; Thomas J. Jackson; Douglas A. Gray 001; Dongryeol Ryu (IGARSS, 2012)

The Soil Moisture Active Passive Experiments (SMAPEx): Toward Soil Moisture Retrieval From the SMAP Mission. - Rocco Panciera; Jeffrey P. Walker; Thomas J. Jackson; Douglas A. Gray 001; Mihai A. Tanase; Dongryeol Ryu; Alessandra Monerris; Heath Yardley; Christoph Rüdiger; Xiaoling Wu 001; Ying Gao 002; Jörg M. Hacker (IEEE Trans. Geosci. Remote. Sens., 2014)

Effect of Land-Cover Type on the SMAP Active/Passive Soil Moisture Downscaling Algorithm Performance. - Xiaoling Wu 001; Jeffrey P. Walker; Christoph Rüdiger; Rocco Panciera (IEEE Geosci. Remote. Sens. Lett., 2015)

Simulation of the SMAP Data Stream From SMAPEx Field Campaigns in Australia. - Xiaoling Wu 001; Jeffrey P. Walker; Christoph Rüdiger; Rocco Panciera; Douglas A. Gray 001 (IEEE Trans. Geosci. Remote. Sens., 2015)

Evaluation of the validated Soil Moisture product from the SMAP radiometer. - Peggy E. O'Neill; Steven Tsz K. Chan; Andreas Colliander; Roy Scott Dunbar; Eni G. Njoku; Rajat Bindlish; Fan Chen 004; Thomas J. Jackson; Mariko Burgin; Jeffrey Piepmeier; Simon Yueh; Dara Entekhabi; et al. (IGARSS, 2016)

Towards validation of SMAP: SMAPEX-4 & -5. - Nan Ye; Jeffrey P. Walker; Xiaoling Wu 001; Thomas J. Jackson; Luigi J. Renzullo; Olivier Merlin; Christoph Rüdiger; Dara Entekhabi; Richard de Jeu; Edward Kim 001 (IGARSS, 2016)

Assessment of the SMAP Passive Soil Moisture Product. - Steven Tsz K. Chan; Rajat Bindlish; Peggy E. O'Neill; Eni G. Njoku; Thomas J. Jackson; Andreas Colliander; Fan Chen 004; Mariko Burgin; Roy Scott Dunbar; Jeffrey Piepmeier; Simon Yueh; Dara Entekhabi; et al. (IEEE Trans. Geosci. Remote. Sens., 2016)

Estimation of Vegetation Water Content From the Radar Vegetation Index at L-Band. - Yuancheng Huang; Jeffrey P. Walker; Ying Gao 002; Xiaoling Wu 001; Alessandra Monerris (IEEE Trans. Geosci. Remote. Sens., 2016)

Development and validation of the SMAP enhanced passive soil moisture product. - Steven Tsz K. Chan; Rajat Bindlish; Peggy O'Neill; Thomas J. Jackson; Julian Chaubell; Jeffrey Piepmeier; Roy Scott Dunbar; Andreas Colliander; Fan Chen 004; Dara Entekhabi; Simon Yueh; Michael H. Cosh; et al. (IGARSS, 2017)

Sentinel-1 high resolution soil moisture. - Francesco Mattia; Anna Balenzano; Giuseppe Satalino; Francesco P. Lovergine; Alexander Loew; Jian Peng 006; Urs Wegmüller; Maurizio Santoro; Oliver Cartus; Katarzyna Dabrowska-Zielinska; Jan Pawel Musial; Malcolm W. J. Davidson; et al. (IGARSS, 2017)

Assessment of version 4 of the SMAP passive soil moisture standard product. - Peggy O'Neill; Steven Tsz K. Chan; Rajat Bindlish; Thomas J. Jackson; Andreas Colliander; Roy Scott Dunbar; Fan Chen 004; Jeffrey Piepmeier; Simon Yueh; Dara Entekhabi; Michael H. Cosh; Todd Caldwell; et al. (IGARSS, 2017)

Comparison of downscaling techniques for high resolution soil moisture mapping. - Sabah Sabaghy; Jeffrey P. Walker; Luigi J. Renzullo; Ruzbeh Akbar; Steven Tsz K. Chan; Julian Chaubell; Narendra N. Das; Roy Scott Dunbar; Dara Entekhabi; Anouk Gevaert; Thomas J. Jackson; Olivier Merlin; et al. (IGARSS, 2017)

Intercomparison of Alternate Soil Moisture Downscaling Algorithms Using Active-Passive Microwave Observations. - Xiaoling Wu 001; Jeffrey P. Walker; Christoph Rüdiger; Rocco Panciera; Ying Gao 002 (IEEE Geosci. Remote. Sens. Lett., 2017)

Medium-Resolution Soil Moisture Retrieval Using the Bayesian Merging Method. - Xiaoling Wu 001; Jeffrey P. Walker; Christoph Rüdiger; Rocco Panciera; Ying Gao 002 (IEEE Trans. Geosci. Remote. Sens., 2017)

Towards Soil Moisture Retrieval Using Tower-Based P-Band Radiometer Observations. - Nithyapriya Boopathi; Nan Ye; Xiaoling Wu 001; Jeffrey P. Walker; Y. S. Rao 001; Thomas J. Jackson; Yann Kerr; Edward Kim 001; Andrew McGrath; In-Young Yeo (IGARSS, 2018)

Sentinel-1 & Sentinel-2 for SOIL Moisture Retrieval at Field Scale. - Francesco Mattia; Anna Balenzano; Giuseppe Satalino; Francesco P. Lovergine; Jian Peng 006; Urs Wegmüller; Oliver Cartus; Malcolm W. J. Davidson; Seung-Bum Kim; Joel T. Johnson; Jeffrey P. Walker; Xiaoling Wu 001; et al. (IGARSS, 2018)

Towards Multi-Frequency Soil Moisture Retrieval Using P- and L-Band Passive Microwave Sensing Technology. - Nan Ye; Xiaoling Wu 001; Jeffrey P. Walker; Nithyapriya Boopathi; Thomas J. Jackson; Yann Kerr; Edward Kim 001; Andrew McGrath; In-Young Yeo; Mahta Moghaddam (IGARSS, 2018)

The Polarimetric L-Band Imaging Synthetic Aperture Radar (PLIS): Description, Calibration, and Cross-Validation. - Liujun Zhu; Jeffrey P. Walker; Nan Ye; Christoph Rüdiger; Jörg M. Hacker; Rocco Panciera; Mihai A. Tanase; Xiaoling Wu 001; Douglas A. Gray 001; Nick J. S. Stacy; Alvin S. Goh; Heath Yardley; et al. (IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens., 2018)

Investigation of SMAP Active-Passive Downscaling Algorithms Using Combined Sentinel-1 SAR and SMAP Radiometer Data. - Lian He; Yang Hong 001; Xiaoling Wu 001; Nan Ye; Jeffrey P. Walker; Xiaona Chen (IEEE Trans. Geosci. Remote. Sens., 2018)

Multi-Platform Radiometer Systems for Surface Soil Moisture Retrieval. - Xiaoling Wu 001; Nan Ye; Jeffrey P. Walker; James Hills; François Jonard; Valentijn R. N. Pauwels (IGARSS, 2019)

Preliminary Model for Soil Moisture Retrieval Using P-Band Radiometer Observations. - Nithyapriya Boopathi; Nan Ye; Xiaoling Wu 001; Jeffrey P. Walker; Xiaoji Shen; Y. S. Rao 001; Thomas J. Jackson; Yann Kerr; Edward Kim 001; Andrew McGrath; In-Young Yeo (IGARSS, 2020)

Soil Moisture Retrieval Depth of P- and L-Band Radiometry: Predictions and Observations. - Xiaoji Shen; Jeffrey P. Walker; Nan Ye; Xiaoling Wu 001; Nithyapriya Boopathi; In-Young Yeo; Linlin Zhang; Liujun Zhu (IEEE Trans. Geosci. Remote. Sens., 2021)

The Soil Moisture Active Passive Experiments: Validation of the SMAP Products in Australia. - Nan Ye; Jeffrey P. Walker; Xiaoling Wu 001; Richard de Jeu; Ying Gao 002; Thomas J. Jackson; François Jonard; Edward Kim 001; Olivier Merlin; Valentijn R. N. Pauwels; Luigi J. Renzullo; Christoph Rüdiger; et al. (IEEE Trans. Geosci. Remote. Sens., 2021)

Root Zone Soil Moisture Profile Retrieval Using Combined L-Band and P-Band Radiometry. - Foad Brakhasi; Jeffrey P. Walker; Nan Ye; Xiaoling Wu 001; Xiaoji Shen; In-Young Yeo; Nithyapriya Boopathi (IGARSS, 2022)

Inter-Comparison of Proximal Near-Surface Soil Moisture Measurement Techniques. - Xiaoling Wu 001; Jeffrey P. Walker; François Jonard; Nan Ye (IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens., 2022)

Evaluation of the Tau-Omega Model Over a Dense Corn Canopy at P- and L-Band. - Xiaoji Shen; Jeffrey P. Walker; Nan Ye; Xiaoling Wu 001; Foad Brakhasi; Liujun Zhu; Edward Kim 001; Yann Kerr; Thomas J. Jackson (IEEE Geosci. Remote. Sens. Lett., 2023)

Multi-Layer Soil Moisture Estimation Using Combined L-and P-Band Radiometry: an Application of Machine Learning Algorithms. - Foad Brakhasi; Jeffrey P. Walker; Jasmeet Judge; Pang-Wei Liu; Xiaoji Shen; Nan Ye; Xiaoling Wu 001; In-Young Yeo; Richa Prajapati; Edward Kim 001; Yann Kerr; Thomas J. Jackson (IGARSS, 2024)

A Comparison of Passive Microwave Emission Models for Estimating Brightness Temperature at L- and P-Bands Under Bare and Vegetated Soil Conditions. - Foad Brakhasi; Jeffrey P. Walker; Jasmeet Judge; Pang-Wei Liu; Xiaoji Shen; Nan Ye; Xiaoling Wu 001; In-Young Yeo; Nithyapriya Boopathi; Edward J. Kim 001; Yann H. Kerr; Thomas J. Jackson (IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens., 2024)

Evaluation of the Bayesian Downscaling Algorithm for Achieving Higher Resolution Soil Moisture Data. - Xiaoling Wu 001; Jeffrey P. Walker; Nan Ye (IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens., 2024)