Google Scholar

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Zhu, Y., S. W. Myint, D. Schaffer-Smith, D. J. Sauchyn, X. Xu, J. M. Piwowar, and Y. Li (2022). Examining ground and surface water changes in response to environmental variables, land use dynamics, and socialeconomic changes in Canada. Journal of Environmental Management, 322, 115875, doi:10.1016/j.jenvman.2022.115875. 

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Xu, X., S.K. Frey, D. Ma (2022). Hydrological performance of ERA5 and MERRA-2 precipitation products over the Great Lakes Basin. Journal of Hydrology: Regional Studies, 39, 100982. doi: 10.1016/j.ejrh.2021.100982.

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De Benedetti, M.,G.W.K. Moore, X. Xu (2022). Representation of spatial variability of the water fluxes over the Congo Basin region. Sensors.  22, 84.  doi:10.3390/s22010084.

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Xu, X., and  S.K. Frey (2021). Validation of SMOS, SMAP, and ESA CCI soil moisture over a humid region, IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, 14, 10784-10793, doi: 10.1109/JSTARS.2021.3122068.

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Frey, S.K., K. Miller, O. Khader, A. Taylor, D. Morrison, X. Xu, S.J. Berg, H.T. Hwang, E.A. Sudicky, D.R. Lapen (2021). Evaluating landscape influences on hydrologic behavior with a fully-integrated groundwater-surface water model, Journal of Hydrology, 602, 126758.

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Moore, G.W.K., S. E. L. Howell, M. Brady, X. Xu, K. McNeil (2021). Anomalous collapses of Nares Strait ice arches leads to enhanced export of Arctic sea ice, Nature Communications, 12 (1), 1-8.

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Xu, X. (2020). Evaluation of SMAP Level 2, 3, and 4 soil moisture datasets over the Great Lakes region, Remote Sensing 12, 3785, doi:10.3390/rs12223785.

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Xu, X., S.K. Frey, A. Boluwade, A.R. Erler, O. Khader, D.R. Lapen, E. Sudicky (2019). Evaluation of variability among different precipitation products in the Northern Great Plains. Journal of Hydrology: Regional Studies, 24, 100608, doi: 10.1016/j.ejrh.2019.100608.

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Xu, X., B. A. Tolson, J. Li, and B. Davison (2017), Comparison of X-band and L-band soil moisture retrievals for land data assimilation. IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, 10(9), 3850-3860, doi: 10.1109/JSTARS.2017.2703988.

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Xu, X., B. A. Tolson, J. Li, and B. Davison (2017), Assimilation of synthetic remotely-sensed soil moisture in Environment Canada's MESH model. IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, 10(4), 1317-1327, doi: 10.1109/JSTARS.2016.2626256.

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Gaborit, É., Fortin, V., Xu, X., Seglenieks, F., Tolson, B., Fry, L. M., Hunter, T., Anctil, F., and Gronewold, A. D. (2017), A hydrological prediction system based on the SVS land-surface scheme: efficient calibration of GEM-Hydro for streamflow simulation over the Lake Ontario basin, Hydrol. Earth Syst. Sci., 21, 4825-4839.

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Xu, X., B. A. Tolson, J. Li, R. M. Staebler, F. Seglenieks, A. Haghnegahdar, and B. Davison (2015), Assimilation of SMOS soil moisture over the Great Lakes basin. Remote Sensing of Environment, 169, 163-175, doi:10.1016/j.rse.2015.08.017.

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Xu, X., J. Li, and B. A. Tolson (2014), Progress in integrating remote sensing data and hydrologic modeling. Progress in Physical Geography, 38(4), 464-498, doi: 10.1177/0309133314536583.

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Xu, X., A. H. Manson, C. E. Meek, D. M. Riggin, C. Jacobi, and J. R. Drummond (2012), Mesospheric wind diurnal tides within the Canadian Middle Atmosphere Model Data Assimilation System. Journal of Atmospheric and Solar-Terrestrial Physics, 74, 24-43, doi:10.1016/j.jastp.2011.09.003.

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Xu, X., A. H. Manson, C. E. Meek, C. Jacobi, C. M. Hall, and J. R. Drummond (2011), Mesospheric wind semidiurnal tides within the Canadian Middle Atmosphere Model Data Assimilation System. Journal of Geophysical Research, 116, D17102,

doi:10.1029/2011JD015966.

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Manson, A. H., C. E. Meek, X. Xu, T. Aso, J. R. Drummond, C. M. Hall, W. K. Hocking, M. Tsutsumi, and W. E. Ward (2011), Characteristics of Arctic tides at CANDAC-PEARL (80°N, 86°W) and Svalbard (78°N, 16°E) for 2006-2009: radar observations and comparisons with the model CMAM-DAS. Annales Geophysicae, 29, 1939-1954, doi:10.5194/angeo-29-1939-2011.

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Manson, A. H., C. E. Meek, X. Xu, T. Aso, J. R. Drummond, C. M. Hall, W. K. Hocking, M. Tsutsumi, and W. E. Ward (2011), Characteristics of Arctic winds at CANDAC-PEARL (80°N, 86°W) and Svalbard (7°8N, 16°E) for 2006-2009: radar observations and comparisons with the model CMAM-DAS. Annales Geophysicae, 29, 1927-1938, doi:10.5194/angeo-29-1927-2011.

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Xu, X., A. H. Manson, C. E. Meek, C. Jacobi, C. M. Hall, and J. R. Drummond (2011), Verification of the mesospheric winds within the Canadian Middle Atmosphere Model Data Assimilation System using radar measurements. Journal of Geophysical Research, 116, D16108, doi:10.1029/2011JD015589.

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Xu, X., A. H. Manson, C. E. Meek, and J. R. Drummond (2011), Quasi-biennial modulation of the wintertime Arctic temperature as revealed by Aura-MLS measurements. Geophysical Research Letters, 38, L08806, doi:10.1029/2011GL047075.

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Xu, X., A. H. Manson, C. E. Meek, T. Chshyolkova, J. R. Drummond, D. M. Riggin, C. M. Hall, R. E. Hibbins, M. Tsutsumi (2009), Asymmetry in the interhemispheric planetary-wave link between the two hemispheres. Journal of Atmospheric and Solar-Terrestrial Physics, 71(17-18), 1899-1903, doi: 10.1016/j.jastp.2009.07.011.

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Xu, X., A. H. Manson, C. E. Meek, T. Chshyolkova, J. R. Drummond, C. M. Hall, Ch. Jacobi, D. Riggin, R. E. Hibbins, M. Tsutsumi, W. K. Hocking, and W. E. Ward (2009), Relationship between variability of the semidiurnal tide in the Northern Hemisphere mesosphere and quasi-stationary planetary waves throughout the global middle atmosphere. Annales Geophysicae, 27, 4239-4256.

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Xu, X., A. H. Manson, C. E. Meek, T. Chshyolkova, J. R. Drummond, C. M. Hall, D. M. Riggin, and R. E. Hibbins (2009), Vertical and interhemispheric links in the stratosphere-mesosphere as revealed by the day-to-day variability of Aura-MLS temperature data. Annales Geophysicae, 27, 3387-3409.

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Manson, A. H., C. E. Meek, T. Chshyolkova, X. Xu, T. Aso, J. R. Drummond, C. M. Hall, W. K. Hocking, Ch. Jacobi, M. Tsutsumi, and W. E. Ward (2009), Arctic tidal characteristics at Eureka (80°N, 86°W) and Svalbard (78°N, 16°E) for 2006/07: seasonal and longitudinal variations, migrating and non-migrating tides. Annales Geophysicae, 27, 1153-1173.

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Xu, X., K. Howard, and J. Zhang (2008), An automated radar technique for the identification of tropical precipitation. Journal of Hydrometeorology, 9(5), 885-902, doi:10.1175/2007JHM954.1.

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Xu, X., L. Liu, and G. Zheng (2006), Mesoscale structures of rainstorm retrieved from dual-Doppler radar observations using the 4DVAR assimilation technique. Journal of Meteorological Research, 20(3), 334-351.

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Xu, X., G. Zheng, Z. Wang, and Q. Wang (2005), Experimental and theoretical analyses on the microwave backscattering ability and differential radar reflectivity of non-spherical hydrometeors. Journal of Quantitative Spectroscopy and Radiative Transfer, 92(1), 61-72, doi:10.1016/j.jqsrt.2004.07.011.

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Xu, X., L. Liu, and G. Zheng (2005), Dynamical and microphysical retrieval from simulated Doppler radar observations using the 4DVAR assimilation technique. Journal of Meteorological Research, 19(2), 160-173.