Brian Hornbuckle


Professor [AGRON]


3007 Agronomy
716 Farm House Ln.
Ames, IA 500111051



Ph.D., Electrical Engineering and Atmospheric Science (geoscience and remote sensing), University of Michigan (2003)

M.S.E, Electrical Engineering (electromagnetics), University of Michigan (1997)

M.A., Secondary Education (science), University of Mississippi (1996)

Sc.B., Electrical Engineering, Brown University (1994)

Interest Areas

Microwave remote sensing of soil and vegetation water content, radiative transfer modeling, field instrumentation.  Core Research Area: Electromagnetics, microwave, and nondestructive evaluation.  Strategic Research Area: Cyber infrastructure.


Hartman, T., R. Cirone, K. Togliatti, B. K. Hornbuckle, and A. VanLoocke, A Spatial and Temporal Evaluation of the SMAP Cropland b-parameter across the U.S. Corn Belt, Remote Sensing of Environment, doi:10.1016/j.rse. 2023.113752, 2023.

Walker, V. A., V. Wallace, E. Yildirim, W. E. Eichinger, M. H. Cosh, and B. K. Hornbuckle, From Field Observations to Temporally Dynamic Soil Surface Roughness Retrievals in the U.S. Corn Belt, Remote Sensing of Environment, doi:10.1016/j.rse.2023.113458, 2023.
Jadidoleslam, N., B. K. Hornbuckle, W. Krajewski, R. Mantilla, and M. Cosh, Analyzing E↵ects of Crops on SMAP Satellite-based Soil Moisture using a Rainfall-runo↵ Model in the U.S. Corn Belt, IEEE Journal of Selected Top- ics in Applied Earth Observations and Remote Sensing, doi:10.1109/JSTARS. 2021.3131133, 2022

Park, J., P. Gurrala, B. K. Hornbuckle, and J. M. Song, Modeling the Microwave Transmissivity of Row Crops, Applied Computational Electromagnetics Society Journal, doi:10.47037/2020.ACES.J.360624, 2021.

Lewis-Beck, C., V. A. Walker, J. Niemi, P. Caragea, and B. K. Hornbuckle, Extracting Agronomic Information from SMOS Vegetation Optical Depth in the US Corn Belt Using a Nonlinear Hierarchical Model, Remote Sensing,, 2020.

Togliatti, K., T. Hartman, V. A. Walker, T. J. Arkebauer, A. E. Suyker, A. VanLoocke, and B. K. Hornbuckle, Satellite L–band Vegetation Optical Depth is Directly Proportional to Crop Water in the US Corn Belt, Remote Sensing of Environment,, 2019.

Walker, V. A., B. K. Hornbuckle, and M. H. Cosh, A Five–year Evaluation of SMOS Level 2 Soil Moisture in the Corn Belt of the United States, IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, 10.1109/JSTARS.2018.2864897, 2018.

Hornbuckle, B. K., J. C. Patton, A. VanLoocke, A. E. Suyker, M. C. Roby, V. A. Walker, E. R. Iyer, D. E. Herzmann, and E. A. Endacott, SMOS Optical Thickness Changes in Response to the Growth and Development of Crops, Crop Management, and Weather, Remote Sensing of Environment, 10.1016/j.rse.2016.02.043, 2016.

Rondinelli, W. J., B. K. Hornbuckle, J. C. Patton, M. H. Cosh, V. A. Walker, B. D. Carr, and S. D. Logsdon, Different Rates of Soil Drying After Rainfall are Observed by the SMOS Satellite and the South Fork In Situ Soil Moisture Network, Journal of Hydrometeorology, doi:10.1175/JHM-D-14-0137.1, 2015.

Patton, J. and B. Hornbuckle, Initial Validation of SMOS Vegetation Optical Thickness in Iowa, IEEE Geoscience and Remote Sensing Letters, 10.1109/LGRS.2012.2216498, 2013.

Rowlandson, T. L., B. K. Hornbuckle, L. M. Bramer, J. C. Patton, and S. D. Logsdon, Comparisons of Evening and Morning SMOS Passes over the Midwest United States, IEEE Transactions on Geoscience and Remote Sensing, doi:10.1109/TGRS.2011.2178158, 2012.