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Jeffrey P. Walker
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Publications
- 2024
- [j88]Nan Ye, Jeffrey P. Walker, Ying Gao, Ivan Popstefanija, James Hills:
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. 17: 633-642 (2024) - 2021
- [j65]Nan Ye, Jeffrey P. Walker, Xiaoling Wu, Richard de Jeu, Ying Gao, Thomas J. Jackson, François Jonard, Edward Kim, Olivier Merlin, Valentijn R. N. Pauwels, Luigi J. Renzullo, Christoph Rüdiger, Sabah Sabaghy, Christian von Hebel, Simon H. Yueh, Liujun Zhu:
The Soil Moisture Active Passive Experiments: Validation of the SMAP Products in Australia. IEEE Trans. Geosci. Remote. Sens. 59(4): 2922-2939 (2021) - 2018
- [j54]Ying Gao, Jeffrey P. Walker, Nan Ye, Rocco Panciera, Alessandra Monerris, Dongryeol Ryu, Christoph Rüdiger, Thomas J. Jackson:
Evaluation of the Tau-Omega Model for Passive Microwave Soil Moisture Retrieval Using SMAPEx Datasets. IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens. 11(3): 888-895 (2018) - [c33]Ying Gao, Andreas Colliander, Mariko S. Burgin, Jeffrey P. Walker, Chun-Sik Chae, Emmanuel P. Dinnat, Michael H. Cosh, Todd Caldwell, Aaron Berg, José Martínez-Fernández:
L-, C- and X-Band Passive Microwave Soil Moisture Retrieval Algorithm Parameterization Using in Situ Validation Sites. IGARSS 2018: 1434-1437 - 2017
- [j50]Xiaoling Wu, Jeffrey P. Walker, Christoph Rüdiger, Rocco Panciera, Ying Gao:
Intercomparison of Alternate Soil Moisture Downscaling Algorithms Using Active-Passive Microwave Observations. IEEE Geosci. Remote. Sens. Lett. 14(2): 179-183 (2017) - [j45]Xiaoling Wu, Jeffrey P. Walker, Christoph Rüdiger, Rocco Panciera, Ying Gao:
Medium-Resolution Soil Moisture Retrieval Using the Bayesian Merging Method. IEEE Trans. Geosci. Remote. Sens. 55(11): 6482-6493 (2017) - [c21]Ying Gao, Andreas Colliander, Mariko S. Burgin, Jeffrey P. Walker, Chun-Sik Chae, Emmanuel P. Dinnat, Michael H. Cosh:
Multi-frequency radiometer-based soil moisture retrieval algorithm parametrization using in situ validation sites. IGARSS 2017: 3945-3948 - 2016
- [j41]Yuancheng Huang, Jeffrey P. Walker, Ying Gao, Xiaoling Wu, Alessandra Monerris:
Estimation of Vegetation Water Content From the Radar Vegetation Index at L-Band. IEEE Trans. Geosci. Remote. Sens. 54(2): 981-989 (2016) - 2015
- [j35]Ying Gao, Jeffrey P. Walker, Mahdi Allahmoradi, Alessandra Monerris, Dongryeol Ryu, Thomas J. Jackson:
Optical Sensing of Vegetation Water Content: A Synthesis Study. IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens. 8(4): 1456-1464 (2015) - 2014
- [j25]Rocco Panciera, Jeffrey P. Walker, Thomas J. Jackson, Douglas A. Gray, Mihai A. Tanase, Dongryeol Ryu, Alessandra Monerris, Heath Yardley, Christoph Rüdiger, Xiaoling Wu, Ying Gao, Jörg M. Hacker:
The Soil Moisture Active Passive Experiments (SMAPEx): Toward Soil Moisture Retrieval From the SMAP Mission. IEEE Trans. Geosci. Remote. Sens. 52(1): 490-507 (2014) - 2012
- [c6]Jeffrey P. Walker, Peggy O'Neill, Xiaoling Wu, Ying Gao, Alessandra Monerris, Rocco Panciera, Thomas J. Jackson, Douglas A. Gray, Dongryeol Ryu:
An airborne simulation of the SMAP data stream. IGARSS 2012: 5-7
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