19972020

Research output per year

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Research Output

Retrieval of soil surface roughness from active and passive microwave observations

Gao, Y., Walker, J., Panciera, R., Monerris-Belda, A. & Ryu, D., 2013, Proceedings - 20th International Congress on Modelling and Simulation, MODSIM 2013. Piantadosi, J., Anderssen, R. & Boland, J. (eds.). Australia: ACTA Press, p. 3092-3098 7 p.

Research output: Chapter in Book/Report/Conference proceedingConference PaperResearchpeer-review

River reconstruction using a conformal mapping method

Hilton, J. E., Grimaldi, S., Cohen, R. C. Z., Garg, N., Li, Y., Marvanek, S., Pauwels, V. R. N. & Walker, J. P., 1 Sep 2019, In : Environmental Modelling and Software. 119, p. 197-213 17 p.

Research output: Contribution to journalArticleResearchpeer-review

1 Citation (Scopus)

Root-zone soil moisture estimation from assimilation of downscaled Soil Moisture and Ocean Salinity data

Dumedah, G., Walker, J. & Merlin, O., 1 Oct 2015, In : Advances in Water Resources. 84, p. 14 - 22 9 p.

Research output: Contribution to journalArticleResearchpeer-review

24 Citations (Scopus)

Root zone soil moisture from the assimilation of screen-level variables and remotely sensed soil moisture

Draper, C., Mahfouf, J-F. & Walker, J., 2011, In : Journal of Geophysical Research. 116, DO2127, p. 1 - 13 13 p.

Research output: Contribution to journalArticleResearchpeer-review

37 Citations (Scopus)

Root zone soil moisture retrieval using streamflow and surface moisture data assimilation in nested catchments

Rudiger, C., Walker, J., Kalma, J., Willgoose, G. & Houser, P., 2005, MODSIM05: International Congress on Modelling and Simulation: Advances and Applications for Management and Decision Making - Proceedings. Zerger, A. & Argent, R. (eds.). Nedlands WA: UWA Publishing, p. 1458 - 1464 7 p.

Research output: Chapter in Book/Report/Conference proceedingConference PaperResearchpeer-review

3 Citations (Scopus)

Roughness and vegetation change detection: a pre-processing for soil moisture retrieval from multi-temporal SAR imagery

Zhu, L., Walker, J. P., Ye, N. & Rüdiger, C., 1 May 2019, In : Remote Sensing of Environment. 225, p. 93-106 14 p.

Research output: Contribution to journalArticleResearchpeer-review

8 Citations (Scopus)

Satellite-based soil moisture validation and field experiments; Skylab to smap

Jackson, T. J., Wigneron, J. P., Kerr, Y., Cosh, M., Colliander, A., Walker, J. & Bindlish, R., 1 Nov 2016, 2016 IEEE International Geoscience and Remote Sensing Symposium, IGARSS 2016 - Proceedings: July 10–15, 2016, Beijing, China. Shi, J., Guo, H. & Chen, K-S. (eds.). Piscataway, NJ: IEEE, Institute of Electrical and Electronics Engineers, p. 3462-3465 4 p. 7729895

Research output: Chapter in Book/Report/Conference proceedingConference PaperResearchpeer-review

2 Citations (Scopus)

Satellite cross-talk impact analysis in airborne interferometric global navigation satellite system-reflectometry with the microwave interferometric reflectometer

Onrubia, R., Pascual, D., Park, H., Camps, A., Rüdiger, C., Walker, J. P. & Monerris, A., 10 May 2019, In : Remote Sensing. 11, 9, 11 p., 1120.

Research output: Contribution to journalArticleResearchpeer-review

Open Access
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3 Citations (Scopus)

Scanning multichannel microwave radiometer snow water equivalent assimilation

Dong, J., Walker, J., Houser, P. R. & Sun, C., 2007, In : Journal of Geophysical Research. 112, D07108, p. 1 - 16 16 p.

Research output: Contribution to journalArticleResearchpeer-review

51 Citations (Scopus)

Seasonal dependence of SMAP radiometer-based soil moisture performance as observed over core validation sites

Colliander, A., Jackson, T. J., Chan, S. K., O'Neill, P., Bindlish, R., Cosh, M. H., Caldwell, T., Walker, J. P., Berg, A., McNairn, H., Thibeault, M., Martinez-Fernandez, J., Jensen, K. H., Asanuma, J., Seyfried, M. S., Bosch, D. D., Starks, P. J., Holifield Collins, C., Prueger, J. H., Su, Z. & 1 others, Yueh, S. H., 2019, IGARSS 2019 - 2019 IEEE International Geoscience and Remote Sensing Symposium. IEEE, Institute of Electrical and Electronics Engineers, p. 5320-5323 4 p.

Research output: Chapter in Book/Report/Conference proceedingConference PaperOther

Sensitivity of L-band radar backscatter to forest biomass in semiarid environments: A comparative analysis of parametric and nonparametric models

Tanase, M., Panciera, R., Lowell, K., Tian, S., Garcia-Martin, A. & Walker, J., 2014, In : IEEE Transactions on Geoscience and Remote Sensing. 52, 8, p. 4671 - 4685 15 p.

Research output: Contribution to journalArticleResearchpeer-review

20 Citations (Scopus)

Sensitivity of multi-parameter soil moisture retrievals to incidence angle configuration

Peischl, S., Walker, J., Ye, N., Ryu, D. & Kerr, Y. H., 2014, In : Remote Sensing of Environment. 143, p. 64 - 72 9 p.

Research output: Contribution to journalArticleResearchpeer-review

8 Citations (Scopus)

Sensitivity of passive microwave observations to soil moisture and vegetation water content: L-band to W-band

Calvet, J-C., Wigneron, J. P., Walker, J., Karbou, F., Chanzy, A. & Albergel, C., 2011, In : IEEE Transactions on Geoscience and Remote Sensing. 49, 4, p. 1190 - 1199 10 p.

Research output: Contribution to journalArticleResearchpeer-review

72 Citations (Scopus)

Sensitivity of TerraSAR-X-band data to surface parameters in bare agricultural areas

Panciera, R., MacGill, F., Tanase, M., Lowell, K. & Walker, J., 2013, 2013 IEEE International Geoscience & Remote Sensing Symposium Proceedings. Fraser, C., Walker, J. & Williams, M. (eds.). Piscataway NJ USA: IEEE, Institute of Electrical and Electronics Engineers, p. 751 - 754 4 p.

Research output: Chapter in Book/Report/Conference proceedingConference PaperResearchpeer-review

1 Citation (Scopus)

Sentinel-1 & Sentinel-2 for soil moisture retrieval at field scale

Mattia, F., Balenzano, A., Satalino, G., Lovergine, F., Peng, J., Wegmuller, U., Cartus, O., Davidson, M. W. J., Kim, S., Johnson, J., Walker, J., Wu, X., Pauwels, V. R. N., McNairn, H., Caldwell, T., Cosh, M. & Jackson, T., 31 Oct 2018, 2018 IEEE International Geoscience and Remote Sensing Symposium, IGARSS 2018 - Proceedings. IEEE, Institute of Electrical and Electronics Engineers, p. 6143-6146 4 p. 8518170. (International Geoscience and Remote Sensing Symposium (IGARSS); vol. 2018-July).

Research output: Chapter in Book/Report/Conference proceedingConference PaperOther

4 Citations (Scopus)

Sentinel-1 high resolution soil moisture

Mattia, F., Balenzano, A., Satalino, G., Lovergine, F., Loew, A., Peng, J., Wegmuller, U., Santoro, M., Cartus, O., Dabrowska-Zielinska, K., Musial, J., Davidson, M. W. J., Yueh, S., Kim, S., Das, N., Colliander, A., Johnson, J., Ouellette, J., Walker, J., Wu, X. & 7 others, McNairn, H., Merzouki, A., Powers, J., Caldwell, T., Entekhabi, D., Cosh, M. & Jackson, T., 1 Dec 2017, 2017 IEEE International Geoscience and Remote Sensing Symposium: International Cooperation for Global Awareness, IGARSS 2017 - Proceedings. IEEE, Institute of Electrical and Electronics Engineers, Vol. 2017-July. p. 5533-5536 4 p. 8128257

Research output: Chapter in Book/Report/Conference proceedingConference PaperOther

5 Citations (Scopus)

Similarities between spaceborne active and airborne passive microwave observations at 1 km resolution

Rudiger, C., Doubkova, M., Larsen, J., Wagner, W. & Walker, J., 2014, In : IEEE Geoscience and Remote Sensing Letters. 11, 12, p. 2178 - 2182 5 p.

Research output: Contribution to journalArticleResearchpeer-review

4 Citations (Scopus)

Simulation of the SMAP data stream from SMAPEx field campaigns in Australia

Wu, X., Walker, J., Rudiger, C., Panciera, R. & Gray, D. A., 2015, In : IEEE Transactions on Geoscience and Remote Sensing. 53, 4, p. 1921 - 1934 14 p.

Research output: Contribution to journalArticleResearchpeer-review

14 Citations (Scopus)

SMAP soil moisture drying more rapid than observed in situ following rainfall events

Shellito, P. J., Small, E. J., Colliander, A., Bindlish, R., Cosh, M. H., Berg, A., Bosch, D. D., Caldwell, T. G., Goodrich, D. C., McNairn, H., Prueger, J. H., Starks, P. J., van der Velde, R. & Walker, J. P., 16 Aug 2016, In : Geophysical Research Letters. 43, 15, p. 8068-8075 8 p.

Research output: Contribution to journalArticleResearchpeer-review

39 Citations (Scopus)

SMOS and SMAP brightness temperature assimilation over the Murrumbidgee basin

Rains, D., De Lannoy, G. J. M., Lievens, H., Walker, J. P. & Verhoest, N. E. C., 1 Nov 2018, In : IEEE Geoscience and Remote Sensing Letters. 15, 11, p. 1652-1656 5 p., 8424465.

Research output: Contribution to journalArticleResearchpeer-review

1 Citation (Scopus)

SMOS soil moisture assimilation for improved hydrologic simulation in the Murray Darling Basin, Australia

Lievens, H., Tomer, S. K., Al Bitar, A., De Lannoy, G. J. M., Drusch, M., Dumedah, G., Hendricks Franssen, H-J., Kerr, Y. H., Martens, B., Pan, M., Roundy, J. K., Vereecken, H., Walker, J. P., Wood, E. F., Verhoest, N. EC. & Pauwels, V. R. N., 2015, In : Remote Sensing of Environment. 168, p. 146 - 162 17 p.

Research output: Contribution to journalArticleResearchpeer-review

101 Citations (Scopus)

Soil moisture derivation using triangle method in the lighvan watershed, north western Iran

Rahmati, M., Oskouei, M. M., Neyshabouri, M. R., Walker, J., Fakherifard, A., Ahmadi, A. & Mousavi, S. B., Mar 2015, In : Journal of Soil Science and Plant Nutrition. 15, 1, p. 167 - 178 12 p.

Research output: Contribution to journalArticleResearchpeer-review

1 Citation (Scopus)

Soil moisture initialization for climate prediction: Characterization of model and observation errors

Ni-Meister, W., Walker, J. & Houser, P. R., 1 Jun 2004, In : Bulletin of the American Meteorological Society. p. 3379-3381 3 p.

Research output: Contribution to journalConference articleOther

Soil moisture initialization for climate prediction: assimilation of scanning multifrequency microwave radiometer soil moisture data into a land surface model

Ni-Meister, W., Houser, P. R. & Walker, J., 2006, In : Journal of Geophysical Research. 111, D20102, p. 1 - 15 15 p.

Research output: Contribution to journalArticleResearchpeer-review

26 Citations (Scopus)

Soil moisture initialization for climate prediction: Characterization of model and observation errors

Ni-Meister, W., Walker, J. & Houser, P., 2005, In : Journal of Geophysical Research. 110, 13, p. 1 - 14 14 p.

Research output: Contribution to journalArticleResearchpeer-review

19 Citations (Scopus)

Soil moisture maps from time series of PALSAR-1 scansar data over Australia

Satalino, G., Mattia, F., Balenzano, A., Panciera, R. & Walker, J., 2013, 2013 IEEE International Geoscience & Remote Sensing Symposium Proceedings. Fraser, C., Walker, J. & Williams, M. (eds.). Piscataway NJ USA: IEEE, Institute of Electrical and Electronics Engineers, p. 719 - 722 4 p.

Research output: Chapter in Book/Report/Conference proceedingConference PaperResearchpeer-review

2 Citations (Scopus)

Soil moisture measurement in heterogeneous terrain

Merlin, O., Walker, J. P., Panciera, R., Young, R., Kalma, J. D. & Kim, E. J., 1 Dec 2007, MODSIM07 - Land, Water and Environmental Management: Integrated Systems for Sustainability, Proceedings. p. 2604-2610 7 p. (MODSIM07 - Land, Water and Environmental Management: Integrated Systems for Sustainability, Proceedings).

Research output: Chapter in Book/Report/Conference proceedingConference PaperOther

40 Citations (Scopus)

Soil moisture retrieval from airborne PLMR and MODIS products in Zhangye oasis of middle stream of Heihe river basin, China

Li, D., Jin, R., Che, T., Walker, J., Gao, Y., Ye, N. & Wang, S., 2014, In : Advances in Earth Science. 29, 2, p. 295 - 305 11 p.

Research output: Contribution to journalArticleResearchpeer-review

Soil moisture retrieval from multi-incidence angle observations at L-band

Peischl, S., Ye, N., Walker, J., Ryu, D. & Kerr, Y., 2011, MODSIM2011 - 19th International Congress on Modelling and Simulation. Chan, F., Marinova, D. & Anderssen, R. S. (eds.). Canberra ACT: Modelling and Simulation Society of Australia and New Zealand (MSSANZ), p. 1987 - 1993 7 p.

Research output: Chapter in Book/Report/Conference proceedingConference PaperResearchpeer-review

1 Citation (Scopus)

Soil moisture retrieval from time series multi-angular radar data using a dry down constraint

Zhu, L., Walker, J. P., Tsang, L., Huang, H., Ye, N. & Rüdiger, C., 15 Sep 2019, In : Remote Sensing of Environment. 231, 12 p., 111237.

Research output: Contribution to journalArticleResearchpeer-review

4 Citations (Scopus)

Soil Moisture Retrieval in Agricultural Fields Using Adaptive Model-Based Polarimetric Decomposition of SAR Data

He, L., Panciera, R., Tanase, M. A., Walker, J. P. & Qin, Q., 1 Aug 2016, In : IEEE Transactions on Geoscience and Remote Sensing. 54, 8, p. 4445-4460 16 p., 7447759.

Research output: Contribution to journalArticleResearchpeer-review

18 Citations (Scopus)

Soil moisture retrieval over agricultural fields from time series multi-angular L-band radar data

Zhu, L., Walker, J. P., Tsang, L., Huang, H., Ye, N. & Rüdiger, C., 31 Oct 2018, 2018 IEEE International Geoscience and Remote Sensing Symposium, IGARSS 2018 - Proceedings. IEEE, Institute of Electrical and Electronics Engineers, p. 6139-6142 4 p. 8518119. (International Geoscience and Remote Sensing Symposium (IGARSS); vol. 2018-July).

Research output: Chapter in Book/Report/Conference proceedingConference PaperOther

1 Citation (Scopus)

Soil moisture retrievals at L-band using a two-step inversion approach (COSMOS/NAFE'05 Experiment)

Saleh, K., Kerr, Y. H., Richaume, P., Escorihuela, M. J., Panciera, R., Delwart, S., Boulet, G., Maisongrande, P., Walker, J. P., Wursteisen, P. & Wigneron, J. P., 2009, In : Remote Sensing of Environment. 113, 6, p. 1304 - 1312 9 p.

Research output: Contribution to journalArticleResearchpeer-review

52 Citations (Scopus)

Soil salinity impacts on L-band remote sensing of soil moisture

McColl, K. A., Ryu, D., Matic, V., Walker, J., Costelloe, J. & Rudiger, C., 2012, In : IEEE Geoscience and Remote Sensing Letters. 9, 2, p. 262 - 266 5 p.

Research output: Contribution to journalArticleResearchpeer-review

7 Citations (Scopus)

Spatially enhanced passive microwave derived soil moisture: capabilities and opportunities

Sabaghy, S., Walker, J. P., Renzullo, L. J. & Jackson, T. J., 1 May 2018, In : Remote Sensing of Environment. 209, p. 551-580 30 p.

Research output: Contribution to journalReview ArticleResearchpeer-review

27 Citations (Scopus)

Standing water detection using radar

Elhassan, S., Wu, X. & Walker, J., 2013, MODSIM 2013 20th International Congress on Modelling and Simulation Adapting to change: the multiple roles of modelling. Piantadosi, J., Anderssen, R. S. & Boland, J. (eds.). Australia: ACTA Press, p. 3085 - 3091 7 p.

Research output: Chapter in Book/Report/Conference proceedingConference PaperResearchpeer-review

Standing water effect on soil moisture retrieval from L-band passive microwave observations

Ye, N., Walker, J., Guerschman, J. P., Ryu, D. & Gurney, R. J., 2015, In : Remote Sensing of Environment. 169, p. 232 - 242 11 p.

Research output: Contribution to journalArticleResearchpeer-review

12 Citations (Scopus)

Statistical analysis of short-term water stress conditions at Riggs Creek OzFlux tower site

Azmi, M., Rudiger, C. & Walker, J. P., Oct 2017, In : Theoretical and Applied Climatology. 130, 1-2, p. 497-509 13 p.

Research output: Contribution to journalArticleResearchpeer-review

3 Citations (Scopus)

Sunglint observations over land from ground and airborne L-band radiometer data

Escorihuela, M. J., Saleh, K., Richaume, P., Merlin, O., Walker, J. & Kerr, Y., 2008, In : Geophysical Research Letters. 35, 20, p. 1 - 5 5 p.

Research output: Contribution to journalArticleResearchpeer-review

4 Citations (Scopus)

Surface rock effects on soil moisture retrieval from L-band passive microwave observations

Ye, N., Walker, J. P., Rüdiger, C., Ryu, D. & Gurney, R. J., 15 Sep 2018, In : Remote Sensing of Environment. 215, p. 33-43 11 p.

Research output: Contribution to journalArticleResearchpeer-review

1 Citation (Scopus)

Surface soil moisture retrieval using L-band SMAP SAR data and its validation

Kim, S., Van Zyl, J. J., Johnson, J., Moghaddam, M., Tsang, L., Colliander, A., Dunbar, S., Jackson, T., Jaruwatanadilok, S., West, R., Berg, A. A., Caldwell, T. G., Cosh, M., Lopez-Baeza, E., Thibeault, M., Walker, J., Entekhabi, D. & Yueh, S., 1 Nov 2016, 2016 IEEE International Geoscience & Remote Sensing Symposium (IGARSS 2016) - Proceedings: July 10–15, 2016, Beijing, China. SHI, J., GUO, H. & CHEN, K. (eds.). IEEE, Institute of Electrical and Electronics Engineers, p. 143-146 4 p. 7729028

Research output: Chapter in Book/Report/Conference proceedingConference PaperOther

1 Citation (Scopus)

Surface Soil Moisture Retrieval Using the L-Band Synthetic Aperture Radar Onboard the Soil Moisture Active-Passive Satellite and Evaluation at Core Validation Sites

Kim, S. B., Van Zyl, J. J., Johnson, J. T., Moghaddam, M., Tsang, L., Colliander, A., Dunbar, R. S., Jackson, T. J., Jaruwatanadilok, S., West, R., Berg, A., Caldwell, T., Cosh, M. H., Goodrich, D. C., Livingston, S., Lopez-Baeza, E., Rowlandson, T., Thibeault, M., Walker, J. P., Entekhabi, D. & 3 others, Njoku, E. G., O'Neill, P. E. & Yueh, S. H., 1 Apr 2017, In : IEEE Transactions on Geoscience and Remote Sensing. 55, 4, p. 1897-1914 18 p., 7827136.

Research output: Contribution to journalArticleResearchpeer-review

31 Citations (Scopus)

Technical program overview

Fraser, C. S., Walker, J. & Williams, M. L., 2013, IGARSS 2013 - 2013 IEEE International Geoscience and Remote Sensing Symposium: Melbourne, Australia, 21 – 26 July 2013. IEEE, Institute of Electrical and Electronics Engineers, p. xiv 1 p.

Research output: Chapter in Book/Report/Conference proceedingForeword / PostscriptOtherpeer-review

Temporal and spatial resolution requirements for a soil moisture mission

Walker, J. P. & Houser, P. R., 1 Dec 2001, p. 6-8. 3 p.

Research output: Contribution to conferencePaper

1 Citation (Scopus)

The AACES field experiments: SMOS calibration and validation across the Murrumbidgee River catchment

Peischl, S., Walker, J., Rudiger, C., Ye, N., Kerr, Y., Kim, E., Bandara, R. S. & Allahmoradi, M., 2012, In : Hydrology and Earth System Sciences. 16, 6, p. 1697 - 1708 12 p.

Research output: Contribution to journalArticleResearchpeer-review

Open Access
38 Citations (Scopus)

The CoSMOS L-band experiment in Southeast Australia

Saleh, K., Kerr, Y. H., Boulet, G., Maisongrande, P., De Rosnay, P., Floricioiu, D., Escorihuela, M. J., Wigneron, J. P., Cano, A., López-Baeza, E., Grant, J. P., Balling, J., Skou, N., Berger, M., Delwart, S., Wursteisen, P., Panciera, R. & Walker, J. P., 1 Dec 2007, 2007 IEEE International Geoscience and Remote Sensing Symposium, IGARSS 2007. p. 3948-3951 4 p. 4423712. (International Geoscience and Remote Sensing Symposium (IGARSS)).

Research output: Chapter in Book/Report/Conference proceedingConference PaperOther

9 Citations (Scopus)

The dual polarization GNSS-R interference pattern technique

Alonso-Arroyo, A., Bernier, M. (ed.), Camps, A., Monerris-Belda, A., Rudiger, C., Walker, J., Forte, G. F., Pascual, D., Park, H. & Onrubia, R., 2014, p. 4058 - 4061. 4 p.

Research output: Contribution to conferenceOther

1 Citation (Scopus)

The effect of irrigation schedules on water table depth and root zone soil moisture

Nguyen, H. T. & Walker, J. P., 1 Dec 2005, MODSIM05 - International Congress on Modelling and Simulation: Advances and Applications for Management and Decision Making, Proceedings. p. 1286-1292 7 p. (MODSIM05 - International Congress on Modelling and Simulation: Advances and Applications for Management and Decision Making, Proceedings).

Research output: Chapter in Book/Report/Conference proceedingConference PaperOther

1 Citation (Scopus)

The effect of radar configuration on effective correlation length

Zhu, L., Walker, J. P., Ye, N. & Rudiger, C., 2 Nov 2016, Proceedings of the 2016 18th International Conference on Electromagnetics in Advanced Applications (ICEAA 2016): Cairns, Australia, 19-23 September 2016 . Piscataway NJ : IEEE, Institute of Electrical and Electronics Engineers, p. 820-823 4 p. 7731525

Research output: Chapter in Book/Report/Conference proceedingConference PaperResearch

4 Citations (Scopus)

The effect of rock cover fraction on the retrieval of surface soil moisture at L-band

Ye, N., Walker, J., Panciera, R., Ryu, D., Rudiger, C. & Gurney, R., 2009, The 18th World IMACS Congress and MODSIM09 International Congress on Modelling and Simulation. Anderssen, R. S., Braddock, R. D. & Newham, L. T. H. (eds.). Nedlands WA: UWA Publishing, p. 3761 - 3767 7 p. (18th World IMACS Congress and MODSIM 2009 - International Congress on Modelling and Simulation: Interfacing Modelling and Simulation with Mathematical and Computational Sciences, Proceedings).

Research output: Chapter in Book/Report/Conference proceedingConference PaperResearchpeer-review