Dr. Xiaoling Wu

Dr. Xiaoling Wu

Research Fellow
Department of Civil and Environmental Engineering
+61 3 990 53685
Room 115, 18 Alliance Lane (B36), Clayton Campus
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Xiaoling Wu received B.E. degree in Biomedical Engineering from Zhejiang University, China, in 2009. The topic of her undergraduate thesis was development of bio-sensor using nano-material. After graduation, she did one-year visiting in Computer Science at University of Copenhagen, Denmark, in 2010. She received the Ph.D. degree in Civil Engineering from Monash University, Australia, in 2015. The topic of her PhD research was downscaling of soil moisture using airborne radar and radiometer observations in order to provide an accurate and high resolution (better than 10km) soil moisture product with potential benefit in the areas of weather forecasting, flood and drought prediction, agricultural activities etc. She is the research fellow at Monash University and continuing research on remote sensing field. Her research interests include microwave remote sensing of soil moisture, soil moisture downscaling, proximal soil moisture sensing for real-time agricultural applications.

Qualifications

  • Doctor of Philosophy,(Ph.D), Remote Sensing of Soil Moisture, Monash University

Expertise

Remote Sensing
Smart Farming
GIS technology
Proximal sensing

Journal Papers

  1. X. Wu, J. P. Walker, F. Jonard, N. Ye, “Inter-comparison of Proximal Near-Surface Soil Moisture Measurement Techniques,” IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing. Accepted for publication. DOI: 10.1109/JSTARS.2022.315687. 2022
  2. X. Shen, J. P. Walker, N. Ye, X. Wu, F. Brakhasi, N. Boopathi, L. Zhu, I. Yeo, E.Kim, Y. Kerr, T. Jackson. “Evaluation of the tau-omega model over bare and wheat-covered flat and periodic soil surfaces at P- and L-band,” Remote Sensing of Environment. Accepted for publication. DOI: 10.1016/j.rse.2022.112960. 2022
  3. X. Shen, J. P. Walker, N. Ye, X. Wu, F. Brakhasi, N. Boopathi, L. Zhu, I. Yeo, E.Kim, Y. Kerr, T. Jackson, “Impact of random and periodic surface roughness on P-and L-band radiometry”, Remote Sensing of Environment. 2022. DOI: 10.1016/j.rse.2021.112825
  4. N. Ye, J. P. Walker, X. Wu, R. De Jeu, Y. Gao, T. J. Jackson, F. Jonard, E. Kim, O. Merlin, V. R. N. Pauwels, L. J. Renzullo, C. Rüdiger, S. Sabaghy, C. Von Hebel, S. H. Yueh, L. Zhu, “The Soil Moisture Active Passive Experiments: Validation of the SMAP Products in Australia,” IEEE Transactions on Geoscience and Remote Sensing. vol. 59, no. 4, pp. 2922-2939, 2021.
  5. E. Ghafari, J. P. Walker, N. N. Das, K. Davary, A.Faridhosseini, X. Wu, L. Zhu, “On the impact of C-band in place of L-band radar for SMAP downscaling,” Remote Sensing of Environment, vol. 251, p.112111. 2020
  6. X. Shen, J. P. Walker, N. Ye, X. Wu, N. Boopathi, I. Yeo, L. Zhang, L. Zhu, “Soil moisture retrieval depth of P-and L-band radiometry: Predictions and observations,” IEEE Transactions on Geoscience and Remote Sensing. Vol. 59(8), pp. 6814-6822. 2020.
  7. T. T. Werner, P. M. Bach, M. Yellishetty, F. Amirpoorsaeed, S.Walsh, A. Miller, M. Roach, A. Schnapp, P. Solly, Y. Tan, C. Lewis, E. Hudson, K. Heberling, T. Richards, H. Chia, M. Truong, T. Gupta, X. Wu, “A geospatial database for effective mine rehabilitation in Australia,” Minerals. Vol. 10(9), pp. 745. 2020.
  8. S. Sabaghy, J. P. Walker, L. J. Renzullo, R. Akbar, S. Chan, J. Chaubell, N. Das, R. S. Dunbar, D. Entekhabi, A.Gevaert, T. J. Jackson, A. Loew, O. Merlin, M..Moghaddam, J. Peng, J. Peng, J. Piepmeier, C. Rüdiger, V. Stefan, X. Wu, N. Ye, S. Yueh, “Comprehensive analysis of alternative downscaled soil moisture products,” Remote Sensing of Environment. Vol. 239, pp. 111586. 2020.
  9. L. Zhu, J. P. Walker, N. Ye, C. Rudiger, J. M. Hacker, R. Panciera, M. Tanase, X. Wu, D.  Gray, N. Stacy, A. Goh, H. Yardley, J. Mead, “The Polarimetric L-band Imaging Synthetic aperture radar (PLIS): description, calibration and cross-validation,” IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing. vol. 11, no. 11, pp. 4513-4525, 2018.
  10. L. He, Y. Hong, X. Wu, J. Walker and X. Chen, “Investigation of SMAP Active-Passive Downscaling Algorithms Using Combined Sentinel-1 SAR and SMAP Radiometer Data,” IEEE Transactions on  Geoscience and Remote Sensing. vol. PP, no. 1-13, 2018. DOI: 10.1109/TGRS.2018.2842153.
  11. N. Das, D. Entekhabi, R. S. Dunbar, A. Colliander, F. Chen, W. Crow, T. J. Jackson, A. Berg , D. D.  Bosch , T. Caldwell , M. H. Cosh,  C. H. Collins,  E. Lopez-Baeza, M. Moghaddam, T. Rowlandson, P. J. Starks, M. Thibeault, J.P. Walker, X. Wu, P., O’Neill, S. Yueh, E. Njoku. “The SMAP mission combined active-passive soil moisture product at 9 km and 3 km spatial resolutions,”  Remote Sensing of Environment. Vol. 211, pp. 204-217, 2018.
  12. X. Wu, J. P. Walker, C. Rüdiger, R. Panciera and Y. Gao, “Medium-Resolution Soil Moisture Retrieval Using the Bayesian Merging Method,” IEEE Transactions on Geoscience and Remote Sensing. vol. 55, no. 11, pp. 6482-6493, 2017.
  13. X. Wu, J. P. Walker, C. Rudiger, R. Panciera, Y. Gao, “Intercomparison of Alternate Soil Moisture Downscaling Algorithms Using Active-Passive Microwave Observations”, IEEE Geoscience and Remote Sensing Letters, vol. 14, no. 2, pp. 179-183, 2017.
  14. R. H. Reichle, G. J. M. De Lannoy, Q. Liu, J. V. Ardizzone, A. Colliander, A. Conaty, W. Crow, T. J. Jackson, L. A. Jones, J. S. Kimball, J. Walker, X. Wu, Y. Zeng, R. van der Velde, Z. Su, J. Prueger, E. B. Smith, A. Berg, S. Bircher and etc, “Assessment of the SMAP Level-4 Surface and Root-Zone Soil Moisture Product Using In Situ Measurements,” Journal of Hydrometeorology, Vol. 18, pp. 2621-2645, 2017.
  15. A. Colliander, T. J. Jackson, R. Bindlish, S. Chan, N. Das, S. B. Kim, M. H. Cosh, R. S. Dunbar, L. Dang, L. Pashaian, J. Asanuma, K. Aida, A. Berg, T. Rowlandson, D. Bosch, T. Caldwell, K. Caylor, D. Goodrich, H. al Jassar, E. Lopez-Baeza, J. Martinez-Fernandez, A. Gonzalez-Zamora, S. Livingston, H. McNairn, A. Pacheco, M. Moghaddam, C. Montzka, C. Notarnicola, G. Niedrist, T. Pellarin, J. Prueger, J. Pulliainen, K. Rautiainen, J. Ramos, M. Seyfried, P. Starks. Z. Su, Y. Zeng, R. can der Velde, M. Thibeault, W. Dorigo, M. Vreugdenhil, J. P. Walker, X. Wu, A. Monerris, P. E. O’Neill, D. Entekhabi, E. G Njoku, and S. Yueh, “Validation of SMAP Surface Soil Moisture Products with Core Validation Sites”, Remote Sensing of Environment. Vol. 191, pp. 215-231, 2017.
  16. S. Chan, R. Bindlish, P.O’Neill, E. Njoku, T. Jackson, A. Colliander, F. Chen, M. Burgin, S. Dunbar, J. Piepmeier, S. Yueh, D. Entekhabi, M. Cosh, T. Caldwell, J. Walker, X. Wu, A. Berg, T. Rowlandson, A. Pacheco, H. McNairn, M. Thibeault, J. Martinez-Fernandez, A. Gonzalez-Zamora, M. Seyfried, D. Bosch, P. Starks, D. Goodrich, J. Prueger, M. Palecki, E. Small, J. Calvet, W. Crow and Y. Kerr, “Assessment of the SMAP Passive Soil Moisture Product”, IEEE Transactions on Geoscience and Remote Sensing, vol. 54, no. 8, pp. 4994-5007, 2016.
  17. Y. Huang, J. P. Walker, G. Ying, X. Wu and A. Monerris, “Estimation of Vegetation Water Content from the Radar Vegetation Index at L-band,” IEEE Transactions on Geoscience and Remote Sensing. vol. 54, no. 2, pp. 981-989, 2016.
  18. X. Wu, J. P. Walker, C. Rüdiger, R. Panciera and D. Gray, “Simulation of the SMAP Data Stream from SMAPEx Field Campaigns in Australia,” IEEE Transactions on Geoscience and Remote Sensing, vol. 53, no. 4, pp. 1921-1934, 2015.
  19. X. Wu, J. P. Walker, C. Rüdiger and R. Panciera. “Effect of Land Cover Type on the SMAP Active-Passive Soil Moisture Downscaling Algorithm Performance,” IEEE Geoscience and Remote Sensing Letters, vol. 12, no. 4, pp. 846-850, 2015.
  20. X. Wu, J. P. Walker, N. N. Das, R. Panciera and C. Rüdiger, “Evaluation of the SMAP Brightness Temperature Downscaling Algorithm using Active-Passive Microwave Observations,” Remote Sensing of Environment, vol. 155, pp. 210-221, 2014.
  21. R. Panciera, J. P. Walker, T. J. Jackson, D. Gray, M. A. Tanase, D. Ryu, A. Monerris, H. Yardley, C. Rüdiger, X. Wu, Y. Gao and J. Hacker, “The Soil Moisture Active Passive Experiments (SMAPEx): Toward Soil Moisture Retrieval From the SMAP Mission,” IEEE Transactions on Geoscience and Remote Sensing, vol. 52, no. 1, pp. 490-507, 2014.

Peer-reviewed Conference Papers

  1. N. Boopathi, N. Ye, X. Wu, J. Walker, X. Shen, Y. S. Rao, T. Jackson, Y. Kerr, E. Kim, A. McGrath, I. Yeo. “Preliminary Model for Soil Moisture Retrieval Using P-Band Radiometer Observations,” 2020 IEEE International Geoscience and Remote Sensing Symposium (IGARSS), pp. 4446-4449. 2020.
  2. N. Ye, X. Wu, J. Walker, N. Boopathi, T. Jackson, Y. Kerr, E. Kim, A. McGrath, I. Yeo and M. Moghaddam. “Towards multi-frequency soil moisture retrieval using P- and L-band passive microwave sensing technology,” IEEE International Geoscience and Remote Sensing Symposium (IGARSS), Valencia, Spain, 22-27 July, 2018.
  3. R. Mattia, A. Balenzano, G. Satalino, F. Lovergine, A. Loew, J. Peng, U.Wegmüller, M. Santoro, O. Cartus, K. Dabrowska-Zielinska, J. Musial, M. W. J. Davidson, S. Yueh, S. Kim, N. N. Das, A. Colliander, J. Johnson, J. Ouellette, J. Walker, X. Wu, H. McNairn, A. Merzouki, J. Powers, T. Caldwell, D. Entekhabi, M. H. Cosh, T. J. Jackson, “Sentinel-1 high resolution soil moisture,” IEEE International Geoscience and Remote Sensing Symposium (IGARSS), Texas, USA,  23-28 July, 2017. pp: 5533-5536. DOI: 10.1109/IGARSS.2017.8128257.
  4. S. Chan, R. Bindlish, P. O’Neill, T. Jackson, J. Chaubell, J. Piepmeier, S. Dunbar, A. Colliander, F. Chen, D. Entekhabi, S. Yueh, M. Cosh, T. Caldwell, J. Walker, X. Wu, A. Berg, T. Rowlandson, A. Pacheco, H. McNairn, M. Thibeault, J. Martínez-Fernández, Á. González-Zamora, E. Lopez-Baeza, F. Uldall, M. Seyfried, D. Bosch, P. Starks, C. Holifield Collins, J. Prueger, Z. Su, R. van der Velde, J. Asanuma, M. Palecki, E. Small,  M. Zreda, J-C. Calvet, W. Crow, Y. Kerr, “Development and validation of the SMAP enhanced passive soil moisture product,” IEEE International Geoscience and Remote Sensing Symposium (IGARSS), Texas, USA, 23-28 July, 2017. pp: 2539-2542. DOI: 10.1109/IGARSS.2017.8127512.
  5. S. Sabaghy, J. Walker, L. Renzullo, R. Akbar, S. Chan, J. Chaubell, N. N. Das, R. S. Dunbar, D. Entekhabi, A. Gevaert, T. J. Jackson, O. Merlin, M. Moghaddam, J. Peng, J. R. Piepmeier, M. Piles, G. Portal, C. Rüdiger, V. Stefan, Wu, N. Ye, S. Yueh, “Comparison of downscaling techniques for high resolution soil moisture mapping,” IEEE International Geoscience and Remote Sensing Symposium (IGARSS), Texas, USA, 23-28 July, 2017. pp: 2523-2526. DOI: 10.1109/IGARSS.2017.8127508
  6. N. Ye, J. Walker, X. Wu, T. Jackson, L. Renzullo, O. Merlin, C. Rüdiger, D. Entekhabi, R. DeJeu, E. Kim, “Towards validation of SMAP: SMAPEX-4 & -5,” IEEE International Geoscience and Remote Sensing Symposium (IGARSS), Beijing, China, 10-15 July, 2016. pp: 3469-3472. DOI:10.1109/IGARSS.2016.7729897.
  7. P. O’Neill,S. Chan, A. Colliander, S. Dunbar, E. Njoku, R. Bindlish, F. Chen, T. Jackson, M. Burgin, J. Piepmeier, S. Yueh, D. Entekhabi, M. Cosh, T. Caldwell, J. Walker, X. Wu, A. Berg, T. Rowlandson, A. Pacheco, H. McNairn, M. Thibeault, J. Martínez-Fernández, Á. González-Zamora, M. Seyfried, D. Bosch, P. Starks, D. Goodrich, J. Prueger, M. Palecki, E. Small, M. Zreda, J-C. Calvet, W. Crow, and Y. Kerr, “Evaluation of the validated Soil Moisture product from the SMAP radiometer,” IEEE International Geoscience and Remote Sensing Symposium (IGARSS), Beijing, China, 10-15 July, 2016. pp. 125-128.  DOI: 10.1109/IGARSS.2016.7729023.
  8. S. Elhassan, X. Wu, J. P. Walker, “Standing water detection using radar,” In Piantadosi, J., Anderssen, R.S. and Boland J. (eds). 20th International Congress on Modelling and Simulation (MODSIM2013). Modelling and Simulation Society of Australia and New Zealand, December 2013, pp. 3085-3091. ISBN: 978-0-9872143-3-1
  9. X. Wu, J. P. Walker, C. Rüdiger, R. Panciera and N. N. Das, “Downscaling of coarse-resolution radiometer brightness temperature by high-resolution radar backscatter,” In Piantadosi, J., Anderssen, R.S. and Boland J. (eds). 20th International Congress on Modelling and Simulation (MODSIM2013). Modelling and Simulation Society of Australia and New Zealand, December 2013, pp. 3127-3133. ISBN: 978-0-9872143-3-1.
  10. X. Wu, J. P. Walker, N. Das, R. Panciera, and C. Rüdiger, “Towards a medium-resolution brightness temperature product from active and passive microwave observations,” IEEE International Geoscience and Remote Sensing Symposium (IGARSS), Melbourne, Australia, 21-26 July, 2013. Invited
  11. X. Wu, J. P. Walker, R. Panciera, C. Rüdiger and N. Das, “Towards medium-resolution brightness temperature retrieval from active and passive microwave observations,” 3rd SMAP Cal/Val Workshop, Oxnard, CA, 14-16 November, 2012.
  12. J. Walker, X. Wu, Y. Gao, et al. „The Soil Moisture Active Passive Experiments: SMAPEx,” 3rd SMAP Cal/Val Workshop, Oxnard, CA, 14-16 November, 2012.
  13. J. Walker, O’Neill, X. Wu, et al. “An Airborne Simulation of the SMAP Data Stream,” IEEE IGARSS, July 2012, Munich, Germany. Invited
  14. J. Walker, X. Wu, Y. Gao, et al. “Towards SMAP: An airborne simulation of the data stream,” 39th COSPAR Scientific Assembly, Mysore, India, 14-22 July, 2012.
  15. J. Walker, G. Dumedah, A. Monerris, Y. Gao, C. Rüdiger, X. Wu, R.  Panciera, O.  Merlin, R. Pipunic, D. Ryu, and M. Zreda. “High Resolution Soil Moisture Mapping,” 5th Global Workshop on Digital Soil Mapping. Sydeny, Australia, 10-13 April, 2012. Invited
  16. X. Wu, J. P. Walker, et al. “Towards medium-resolution brightness temperature retrieval from active and passive microwave,” In Chan, F., Marinova, D. and Anderssen, R. S. (eds). The 19th International Congress on Modeling and Simulation (MODSIM2011). Modelling and Simulation Society of Australia and New Zealand, 12-16 December 2011, pp. 2023-2029.

Conference Papers

  1. N. Ye, J. Walker, N. Boopathi, X. Wu, I. Yeo, T. Jackson, Y. Kerr, E. Kim, A. McGrath, and Y. Rao. “P-band passive microwave sensing of soil moisture: preliminary results,” Microwave Radiometry and Remote Sensing of the Environment (MicroRad), Cambridge, USA, 27-30 March, 2018.
  2. P. O’Neill,S. Chan, A. Colliander, S. Dunbar, E. Njoku, R. Bindlish, F. Chen, T. Jackson, M. Burgin, J. Piepmeier, S. Yueh, D. Entekhabi, M. Cosh, T. Caldwell, J. Walker, X. Wu, A. Berg, T. Rowlandson, A. Pacheco, H. McNairn, M. Thibeault, J. Martínez-Fernández, Á. González-Zamora, M. Seyfried, D. Bosch, P. Starks, D. Goodrich, J. Prueger, M. Palecki, E. Small, M. Zreda, J-C. Calvet, W. Crow, and Y. Kerr, “Assessment of the Validated Soil Moisture Product from the SMAP Radiometer,” 3rd Satellite Soil Moisture Validation and Application Workshop, New York, 21-22 September 2016.
  3. N. Ye, J. P. Walker, X. Wu, C. Rudiger, T. Jackson, D. Entekhabi, R. De Jeu, O. Merlin, E. Kim, L. Renzullo. “The Fourth and Fifth SMAP Experiments (SMAPEx-4 &5): Preliminary results,” 3rd Satellite Soil Moisture Validation and Application Workshop, New York, 21-22 September 2016.
  4. N. Ye, J. P. Walker, X.Wu, Y. Gao, C. Rudiger, T. Jackson, L. Renzullo. “Inter-comparison of Brightness Temperature Observations from SMOS, SMAP, Aquarius, and PLMR during the Fourth Soil Moisture Active Passive Experiment (SMAPEx-4),” ESA Living Planet Symposium, Prague, 9-13 May 2016.
  5. T. J. Jackson, A. Colliander, S. Chan, N. Das, S. Kim, S. Dunbar, R. Bindlish, A. Berg, T. Rowlandson, K. Caylor, M. Cosh, H. al Jassar, E. Lopez-Baeza, J. Martínez-Fernández, A. González-Zamora, H. McNairn, A. Pacheco, M. Moghaddam, C. Montzka, C. Notarnicola, G. Niedrist, T. Pellarin, J. Pulliainen, K. Rautiainen, J. Ramos, M. Seyfried, B. Su, Y. Zeng, R. van der Velde, M. Thibeault, W. Dorigo, M. Vreugdenhil, J. Walker, X. Wu, J. Asanuma, L. Dang, L. Pashaian, M. Spencer, P. O’Neill, D. Entekhabi, S. Yueh, and E. Njoku. “SMAP L2/L3 Soil Moisture Product Validation with Core Validation Sites,” 96th American Meteorological Society Annual Meeting, New Orleans, 10-14 January, 2016.
  6. N. Ye, J. P. Walker, C. Rüdiger, X. Wu, T. Jackson, et al. “The fourth SMAP Experiment (SMAPEx-4): Preliminary Results,” MODSIM2015, 21st International Congress on Modelling and Simulation. Modelling and Simulation Society of Australia and New Zealand, December, 2015.
  7. X. Wu, Walker, J. P. and Ye, N., “Evaluation of a Soil Moisture Downscaling Algorithm Using the SMAPEx Data Set in Australia,” MODSIM2015, 21st International Congress on Modelling and Simulation. Modelling and Simulation Society of Australia and New Zealand, December, 2015.
  8. B. Materns, H. Lievens,  J. P. Walker, R. Panciera, M. Tanase, A. Monerris, Y. Gao, X. Wu, and N. E. C. Verhoest, “An Alternative Roughness Parameterization for Soil Moisture Retrievals from Passive Microwave Observations,”ESA Living Planet Symposium, Edinburgh, 9-13 September, 2013.

Reports

  1. N. Ye, J. P. Walker, C. Rüdiger, T. Jackson, X. Wu, R. de Jeu, D. Entekhabi, O. Merlin, E. Kim and L. Renzullo, 2015. “The Fifth Soil Moisture Active Passive Experiment (SMAPEx-5): Work Plan.” Department of Civil Engineering, Monash University. Available at: http://www.smapex.monash.edu.au/Data/SMAPEx-5/SMAPEx-5%20Workplan.pdf
  2. N. Ye, J. P. Walker, C. Rüdiger, T. Jackson, X. Wu, R. de Jeu, D. Entekhabi, O. Merlin, E. Kim and L. Renzullo, 2015. “The Fourth Soil Moisture Active Passive Experiment (SMAPEx-4): Work Plan.” Department of Civil Engineering, Monash University. Available at: http://www.smapex.monash.edu.au/Data/SMAPEx-4/SMAPEx-4%20Workplan.pdf
  1. V. Wong, X. Wu, J. Walker, S. Micklethwaite, and R. Reef. “Rapid mapping technologies for precision agriculture.” $29,997. Monash Engineering-Science IDR Seed Fund Scheme. 2018-2019.
  2. X. Wu, V. Wong, O. Yang, and J. Walker. “Smart Irrigation: Proximal soil moisture sensing for real-time water delivery control”. $48,405. Monash Infrastructure Seed Fund. 2018-2019.
  3. J. Walker, T. Jackson, D. Entekhabi, R. De Jue, O. Merlin, E. Kim, L. Renzullo, X. Wu. “MoistureMonitor: A multi-mission soil moisture monitoring system for a water limited future.” $547k. ARC-Discovery (DP140100572).

Teaching Commitments

  • ENG1021 - Spatial Communication

Awards

  1. Department of Civil Engineering OHS Award 2016.
  2. Monash Engineering Women’s Leadership Award 2015.
  3. 2015 Victorian Spatial Excellence Awards (VSEA) in the category of SSSI Postgraduate Student Award.
  4. Surveying and Spatial Sciences Institute (SSSI) Postgraduate Student Award 2015.
  5. Monash University Outstanding Publication Award 2014.
  6. Department of Civil Engineering Best Publication 2014.
  7. Chinese Government Award for Outstanding Self-Financed Students Abroad 2014.
Last modified: 03/03/2022