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Kelly R Thorp
Agricultural Engineer


Publications (Clicking on the reprint icon Reprint Icon will take you to the publication reprint.)
Terra-Ref, an open reference data set from high resolution genomics, phenomics, and imaging sensors - ()
Lebauer, D.S., Burnette, M.A., Demieville, J., Fahlgren, N., French, A.N., Garnett, R., Hu, Z., Huynh, K., Kooper, R., Li, Z., Maimaitijiang, M., Mao, J., Mockler, T., Morris, G.S., Newcomb, M.S., Ottman, M., Ozerksy, P., Paheding, S., Pauli, D., Pless, R., Qin, W., Riemer, K., Rohde, G., Rooney, W., Sagan, V., Shakoor, N., Stylianou, A., Thorp, K.R., Ward, R., White, J., Willis, C., Zender, C., Lebauer, D. 2020. Terra-Ref, an open reference data set from high resolution genomics, phenomics, and imaging sensors. Dryad Digital Repository. https://orcid.org/0000-0001-7228-053X .
Comparison of evapotranspiration methods in the DSSAT Cropping System Model: II. Algorithm performance - (Peer Reviewed Journal)
Thorp, K.R., Marek, G.W., Dejonge, K.C., Evett, S.R. 2020. Comparison of evapotranspiration methods in the DSSAT Cropping System Model: II. Algorithm performance. Computers and Electronics in Agriculture. 177. https://doi.org/10.1016/j.compag.2020.105679.
Comparison of evapotranspiration methods in the DSSAT Cropping System Model: I. Global sensitivity analysis - (Peer Reviewed Journal)
Thorp, K.R., DeJonge, K.C., Marek, G.W., Evett, S.R. 2020. Comparison of evapotranspiration methods in the DSSAT Cropping System Model: I. Global sensitivity analysis. Computers and Electronics in Agriculture. 177. https://doi.org/10.1016/j.compag.2020.105679.
A data workflow to support plant breeding decisions from a terrestrial field-based high-throughput plant phenotyping system - (Peer Reviewed Journal)
Thompson, A.L., Thorp, K.R., Conley, M.M., Roybal, M.D., Moller Jr, D.C., Long, J.C. 2020. A data workflow to support plant breeding decisions from a terrestrial field-based high-throughput plant phenotyping system. Plant Methods. 16. https://doi.org/10.1186/s13007-020-00639-9.
Use of hydraulic traits for modeling genotype-specific acclimation in cotton under drought - (Peer Reviewed Journal)
Wang, D.R., Venturas, M.D., Mackay, S.D., Hunsaker, D.J., Thorp, K.R., Gore, M.A., Pauli, D. 2020. Use of hydraulic traits for modeling genotype-specific acclimation in cotton under drought. New Phytologist. 228(3):898-909. https://doi.org/10.1111/nph.16751.
Assessing the impacts of future climate on cotton production in the Arizona low desert - (Peer Reviewed Journal)
Ayankojo, I.T., Thorp, K.R., Morgan, K.T., Kothari, K., Ale, S. 2020. Assessing the impacts of future climate on cotton production in the Arizona low desert. Transactions of the ASABE. 63(4):1087-1098. https://doi.org/10.13031/trans.13731.
Forty years of increasing cotton’s water productivity and why the trend will continue - (Peer Reviewed Journal)
Barnes, E.M., Campbell, B.T., Vellidis, G., Porter, W., Payero, J., Leib, B., Sui, R., Fisher, D.K., Anapalli, S.S., Colaizzi, P.D., Bordovsky, J., Porter, D., Ale, S., Mahan, J.R., Taghvaeian, S., Thorp, K.R. 2020. Forty years of increasing cotton’s water productivity and why the trend will continue. Applied Engineering in Agriculture. 36(4):457-478. https://doi.org/10.13031/aea.13911.
The apples and oranges of reference and potential evapotranspiration: Implications for agroecosystem models - (Peer Reviewed Journal)
DeJonge, K.C., Thorp, K.R., Marek, G.W. 2020. The apples and oranges of reference and potential evapotranspiration: Implications for agroecosystem models. Agricultural and Environmental Letters. 5(1). https://doi.org/10.1002/ael2.20011.
Irrigation rate and timing effects on Arizona cotton yield, water productivity, and fiber quality - (Peer Reviewed Journal)
Thorp, K.R., Thompson, A.L., Bronson, K.F. 2020. Irrigation rate and timing effects on Arizona cotton yield, water productivity, and fiber quality. Agricultural Water Management. 234. https://doi.org/10.1016/j.agwat.2020.106146.
Proximal sensing of Urochloa grasses increases selection accuracy - (Peer Reviewed Journal)
Jimenez, J., Leiva, L., Cardoso, J.A., French, A.N., Thorp, K.R. 2020. Proximal sensing of Urochloa grasses increases selection accuracy. Crop and Pasture Science. 71(4):401-409. https://doi.org/10.1071/CP19324.
Which active optical sensor vegetation index is best for nitrogen assessment in irrigated cotton? - (Peer Reviewed Journal)
Bronson, K.F., Conley, M.M., Hunsaker, D.J., Thorp, K.R., French, A.N., Barnes, E.M. 2020. Which active optical sensor vegetation index is best for nitrogen assessment in irrigated cotton?. Agronomy Journal. 112(3):2205-2218. https://doi.org/10.1002/agj2.20120.
Balancing food production within the planetary water boundary - (Peer Reviewed Journal)
Huang, J., Ridoutt, B.G., Sun, Z., Lan, K., Thorp, K.R., Wang, X., Yin, X., Huang, J., Chen, F., Scherer, L. 2020. Balancing food production within the planetary water boundary. Journal of Cleaner Production. 253. https://doi.org/10.1016/j.jclepro.2019.119900.
A high-throughput quantification of resin and rubber contents in Parthenium argentatum using near-infrared (NIR) spectroscopy - (Peer Reviewed Journal)
Luo, Z., Thorp, K.R., Abdel-Haleem, H.A. 2019. A high-throughput quantification of resin and rubber contents in Parthenium argentatum using near-infrared (NIR) spectroscopy. Plant Methods. 15. https://doi.org/10.1186/s13007-019-0544-3.
Improving site-specific maize yield estimation by integrating satellite multispectral data into a crop model - (Peer Reviewed Journal)
Joshi, V.R., Thorp, K.R., Coulter, J.A., Johnson, G.A., Porter, P.M., Strock, J.S., Garcia Y Garcia, A. 2019. Improving site-specific maize yield estimation by integrating satellite multispectral data into a crop model. Agronomy. 9(11). https://doi.org/10.3390/agronomy9110719.
Environmental impact assessment of water-saving irrigation systems across 60 irrigation construction projects in northern China - (Peer Reviewed Journal)
Chen, X., Thorp, K.R., van Oel, P., Xu, Z., Zhou, B., Li, Y. 2019. Environmental impact assessment of water-saving irrigation systems across 60 irrigation construction projects in northern China. Journal of Cleaner Production. 245. https://doi.org/10.1016/j.jclepro.2019.118883.
Determining optimum irrigation termination periods for cotton production in the Texas High Plains - (Peer Reviewed Journal)
Ale, S., Omani, N., Himanshu, S.K., Bordovsky, J.P., Thorp, K.R., Barnes, E.M. 2020. Determining optimum irrigation termination periods for cotton production in the Texas High Plains. Transactions of the ASABE. 63(1):105-115. https://doi.org/10.13031/trans.13483.
Improving nitrogen fertilizer use efficiency in subsurface drip-irrigated cotton in the desert southwest - (Peer Reviewed Journal)
Bronson, K.F., Hunsaker, D.J., Meisinger, J.J., Rockholt, S.M., Thorp, K.R., Conley, M.M., Williams, C.F., Norton, E.R., Barnes, E.M. 2019. Improving nitrogen fertilizer use efficiency in subsurface drip-irrigated cotton in the desert southwest. Soil Science Society of America Journal. 83(6):1712-1721. https://doi.org/10.2136/sssaj2019.07.0210.
Long-term simulations of site-specific irrigation management for Arizona cotton production - (Peer Reviewed Journal)
Thorp, K.R. 2019. Long-term simulations of site-specific irrigation management for Arizona cotton production. Irrigation Science. 38(1):49-64. https://doi.org/10.1007/s00271-019-00650-6.
Water-scarcity footprints and water productivities indicate unsustainable wheat production in China - (Peer Reviewed Journal)
Huang, J., Ridoutt, B.G., Thorp, K.R., Wang, X., Lan, K., Liao, J., Tao, X., Wu, C., Huang, J., Chen, F., Scherer, L. 2019. Water-scarcity footprints and water productivities indicate unsustainable wheat production in China. Environmental Science and Technology. 224. https://doi.org/10.1016/j.agwat.2019.105744.
Advancing the application of a model-independent open-source geospatial tool for large spatiotemporal simulations - (Peer Reviewed Journal)
Huang, J., Scherer, L., Lan, K., Chen, F., Thorp, K.R. 2019. Advancing the application of a model-independent open-source geospatial tool for large spatiotemporal simulations. Environmental Modelling & Software. 119:374-378. https://doi.org/10.1016/j.envsoft.2019.07.003.
Hydraulics of linear-move sprinkler irrigation systems, III: Model evaluation - (Peer Reviewed Journal)
Zerihun, Z., Sanchez, C.A., Thorp, K.R., Hagler, M.J. 2019. Hydraulics of linear-move sprinkler irrigation systems, III: Model evaluation. Journal of Irrigation and Drainage Engineering. 8(2):1-11.
Novel methodology to evaluate and compare evapotranspiration algorithms in an agroecosystem model - (Peer Reviewed Journal)
Thorp, K.R., Marek, G.W., DeJonge, K.C., Evett, S.R., Lascano, R.J. 2019. Novel methodology to evaluate and compare evapotranspiration algorithms in an agroecosystem model. Journal of Environmental Modeling and Software. 199:214-227. https://doi.org/10.1016/j.envsoft.2019.06.007.
Comparing nadir and multi-angle view sensor technologies for measuring in-field plant height of upland cotton - (Peer Reviewed Journal)
Thompson, A.L., Thorp, K.R., Conley, M.M., French, A.N., Andrade-Sanchez, P., Pauli, D. 2019. Comparing nadir and multi-angle view sensor technologies for measuring in-field plant height of upland cotton. Remote Sensing of Environment. 11:700-719. https://doi.org/10.3390/rs11060700.
Energy consumption due to groundwater pumping for irrigation in the North China Plain - (Peer Reviewed Journal)
Chen, X., Thorp, K.R., Ouyang, Z., Hou, Y., Li, Y. 2019. Energy consumption due to groundwater pumping for irrigation in the North China Plain. Science of the Total Environment. 669:1033-1042.
Simulation of maize evapotranspiration: an inter-comparison among 29 maize models - (Peer Reviewed Journal)
Kimball, B., Boote, K., Hatfield, J.L., Ahuja, L.R., Stockle, C., Archontoulis, S., Caron, C., Basso, B., Bertuzzi, P., Constantin, J., Deryng, D., Dumont, B., Durand, J., Ewert, F., Gaiser, T., Gayler, S., Hoffmann, M.P., Jiang, Q., Kim, S., Lizaso, J., Moulin, S., Nednel, C., Parker, P., Palosuo, T., Priesack, E., Qi, Z., Srivastava, A., Tommaso, S., Tau, F., Thorp, K.R., Timlin, D.J., Twine, T.E., Webber, H., Willaume, M., Williams, K. 2019. Simulation of maize evapotranspiration: an inter-comparison among 29 maize models. Agricultural and Forest Meteorology. 271:264-284.
Nitrogen fertilizer and irrigation effects on seed yield and oil in camelina - (Peer Reviewed Journal)
Bronson, K.F., Hunsaker, D.J., Thorp, K.R. 2019. Nitrogen fertilizer and irrigation effects on seed yield and oil in camelina. Agronomy Journal. 111(4):1712-1719. https://doi.org/10.2134/agronj2018.10.0644.
Simulation of efficient irrigation management strategies for grain sorghum production over different climate variability classes - (Peer Reviewed Journal)
Kothari, K., Ale, S., Bordovsky, J.P., Thorp, K.R., Porter, D.O., Munster, C.L. 2019. Simulation of efficient irrigation management strategies for grain sorghum production over different climate variability classes. Agricultural and Forest Meteorology. 170:49-62. https://doi.org/10.1016/j.agsy.2018.12.011.
High-throughput phenotyping of crop water use efficiency via multispectral drone imagery and a daily soil water balance model - (Peer Reviewed Journal)
Thorp, K.R., Thompson, A.L., Harders, S.J., French, A.N., Ward, R.W. 2018. High-throughput phenotyping of crop water use efficiency via multispectral drone imagery and a daily soil water balance model. Remote Sensing. 10(11):1682. https://doi.org/10.3390/rs10111682.
Evapotranspiration in DSSAT: Using Global Sensitivity Analysis and Standardized Crop Coefficient Methods to Evaluate Model Sensitivity and Behavior - (Abstract Only)
Estimating parametric phenotypes that determine anthesis date in Zea mays: Challenges in combining ecophysiological models with genetics - (Peer Reviewed Journal)
Lamsal, A., Welch, S.M., White, J.W., Thorp, K.R., Bello, N. 2018. Estimating parametric phenotypes that determine anthesis date in Zea mays: Challenges in combining ecophysiological models with genetics. PLoS One. 13(4):e0195841. https://doi.org/10.1371/journal.pone.0195841.
Deploying a proximal sensing cart to identify drought-adaptive traits in upland cotton for high-throughput phenotyping - (Peer Reviewed Journal)
Thompson, A.L., Thorp, K.R., Andrade-Sanchez, P., Conley, M.M., Heun, J.T., Dyer, J.M., White, J.W. 2018. Deploying a proximal sensing cart to identify drought-adaptive traits in upland cotton for high-throughput phenotyping. Frontiers in Plant Science. 9:507. https://doi.org/10.3389/fpls.2018.00507.
Review of optimum temperature, humidity, and vapour pressure deficit for microclimate evaluation and control in greenhouse cultivation of tomato: a review - (Peer Reviewed Journal)
Shamshiri, R.R., Jones, J.W., Thorp, K.R., Ahmad, D., Man, H.C., Taheri, S. 2018. Review of optimum temperature, humidity, and vapour pressure deficit for microclimate evaluation and control in greenhouse cultivation of tomato: a review. International Agrophysics. 32(2):287-302.
Advances in greenhouse automation and controlled environment agriculture: A transition to plant factories and urban farming - (Peer Reviewed Journal)
Shamshiri, R.R., Kalantari, F., Ting, K.C., Thorp, K.R., Hameed, I.A., Weltzien, C., Ahmad, D., Shad, Z.M. 2018. Advances in greenhouse automation and controlled environment agriculture: A transition to plant factories and urban farming. International Journal of Agricultural and Biological Engineering. 11(1):1-22.
Nitrogen management impacts nitrous oxide emissions under varying cotton irrigation systems in the American Desert Southwest - (Peer Reviewed Journal)
Bronson, K.F., Hunsaker, D.J., Williams, C.F., Thorp, K.R., Rockholt, S.M., Del Grosso, S.J., Venterea, R.T., Barnes, E.M. 2018. Nitrogen management impacts nitrous oxide emissions under varying cotton irrigation systems in the American Desert Southwest. Journal of Environmental Quality. 47:70-78.
DRAINMOD-simulated performance of drainage water management across the U.S. Midwest - (Peer Reviewed Journal)
Youssef, M.A., Abdelbaki, A.M., Negm, L.M., Skaggs, R., Thorp, K.R., Jaynes, D.B. 2018. DRAINMOD-simulated performance of drainage water management across the U.S. Midwest. Transactions of the ASABE. 197:54-66.
Improving nitrogen fertilizer use efficiency in surface- and overhead sprinkler-irrigated cotton in the desert southwest - (Peer Reviewed Journal)
Bronson, K.F., Hunsaker, D.J., Mon, J., Andrade-Sanchez, P., White, J.W., Conley, M.M., Thorp, K.R., Bautista, E., Barnes, E. 2018. Improving nitrogen fertilizer use efficiency in surface- and overhead sprinkler-irrigated cotton in the desert southwest. Soil Science Society of America Journal. 81:1401-1412. doi:10.2136/sssaj2017.07.0225.
Implementing Standardized reference evapotranspiration and dual crop coefficient approach in the dssat cropping system model - (Peer Reviewed Journal)
Dejonge, K.C., Thorp, K.R. 2017. Implementing Standardized reference evapotranspiration and dual crop coefficient approach in the dssat cropping system model. Transactions of the ASABE. 10.13031/trans.12321.
Simulated effects of winter wheat cover crop on the cotton production systems of the Texas rolling plains - (Peer Reviewed Journal)
Adhikari, P., Ale, S., Delaune, P.B., Thorp, K.R., Barnes, E.M. 2017. Simulated effects of winter wheat cover crop on the cotton production systems of the Texas rolling plains. Transactions of the ASABE. 60(6):2083-2096.
Investigation of the influence of leaf thickness on canopy reflectance and physiological traits in upland and Pima cotton populations Reprint Icon - (Peer Reviewed Journal)
Pauli, D., White, J.W., Andrade-Snachez, P., Conley, M.M., Huen, J., Thorp, K.R., French, A.N., Hunsaker, D.J., Carmo-Silva, E.A., Wang, G., Gore, M.A. 2017. Investigation of the influence of leaf thickness on canopy reflectance and physiological traits in upland and Pima cotton populations. Frontiers in Crops Science and Horticulture. 8:1405. doi: 10.3389/fpls.2017.01405.
Cotton irrigation scheduling using a crop growth model and FAO-56 methods: Field and simulation studies - (Peer Reviewed Journal)
Thorp, K.R., Hunsaker, D.J., Bronson, K.F., Andrade-Sanchez, P., Barnes, E.M. 2017. Cotton irrigation scheduling using a crop growth model and FAO-56 methods: Field and simulation studies. Transactions of the ASABE. 60(6):2023-2039.
Hyperspectral data mining to identify relevant canopy spectral features for estimating durum wheat growth, nitrogen status, and yield - (Peer Reviewed Journal)
Thorp, K.R., Wang, G., Bronson, K.F., Badaruddin, M., Mon, J. 2017. Hyperspectral data mining to identify relevant canopy spectral features for estimating durum wheat growth, nitrogen status, and yield. Computers and Electronics in Agriculture. 136:1-12.
Active optical sensors in irrigated durum wheat: Nitrogen and water effects Reprint Icon - (Peer Reviewed Journal)
Bronson, K.F., White, J.W., Conley, M.M., Hunsaker, D.J., Thorp, K.R., French, A.N., Mackey, B.E., Holland, K.H. 2017. Active optical sensors in irrigated durum wheat: Nitrogen and water effects. Agronomy Journal. 109:1060-1071.
Approaches for geospatial processing of field-based high-throughput plant phenomics data from ground vehicle platforms Reprint Icon - (Peer Reviewed Journal)
Wang, X., Thorp, K.R., White, J.W., French, A.N., Poland, J.A. 2016. Approaches for geospatial processing of field-based high-throughput plant phenomics data from ground vehicle platforms. Transactions of the ASABE. 59(5):1053-1067.
Lesquerella seed yield estimation using color image segmentation to track flowering dynamics under water and nitrogen limitation Reprint Icon - (Peer Reviewed Journal)
Thorp, K.R., Wang, G., Badaruddin, M., Bronson, K.F. 2016. Lesquerella seed yield estimation using color image segmentation to track flowering dynamics under water and nitrogen limitation. Industrial Crops and Products. 86:186-195.
Approximate furrow infiltration model for time-variable ponding depth Reprint Icon - (Peer Reviewed Journal)
Bautista, E., Warrick, A.W., Schlegel, J.L., Thorp, K.R., Hunsaker, D.J. 2016. Approximate furrow infiltration model for time-variable ponding depth. Journal of Irrigation and Drainage Engineering. 142(11):Article 04016045. Available: http://ascelibrary.org/doi/abs/10.1061/%28ASCE%29IR.1943-4774.0001057
Interactive effects of nitrogen fertilization and irrigation on grain yield, canopy temperature, and nitrogen use efficiency in overhead sprinkler-irrigated Durum Wheat - (Peer Reviewed Journal)
Mon, J., Bronson, K.F., Hunsaker, D.J., Thorp, K.R., White, J.W., French, A.N., Conley, M.M. 2016. Interactive effects of nitrogen fertilization and irrigation on grain yield, canopy temperature, and nitrogen use efficiency in overhead sprinkler-irrigated Durum Wheat. Field Crops Research. 191:54-65.
Field-based high-throughput plant phenotyping reveals the temporal patterns of quantitative trait loci associated with stress-responsive traits in cotton - (Peer Reviewed Journal)
Pauli, D., Andrade-Sanchez, P., Carmo-Silva, A., French, A.N., Heun, J., Hunsaker, D.J., Lipka, A., Salvucci, M., Setter, T.L., Strand, R., Thorp, K.R., Wang, S., White, J.W., Gore, M. 2016. Field-based high-throughput plant phenotyping reveals the temporal patterns of quantitative trait loci associated with stress-responsive traits in cotton. Genetics. 6:865-879.
Automated thinning increases uniformity of in-row spacing and plant size in romaine lettuce Reprint Icon - (Peer Reviewed Journal)
Chu, Q., Liu, J., Bali, K., Thorp, K.R., Smith, R., Wang, G. 2016. Automated thinning increases uniformity of in-row spacing and plant size in romaine lettuce. HortTechnology. 26(1):12-19.
Simulating future climate change impacts on seed cotton yield in the Texas High Plains using the CSM-CROPGRO-Cotton model Reprint Icon - (Peer Reviewed Journal)
Adhikari, P., Ale, S., Bordovsky, J., Thorp, K.R., Modala, N., Rajan, N., Barnes, E. 2016. Simulating future climate change impacts on seed cotton yield in the Texas High Plains using the CSM-CROPGRO-Cotton model. Agricultural Water Management. 164:317–330.
Plant Chlorophyll fluorescence: active and passive measurements at canopy and leaf scales with different nitrogen treatments - (Peer Reviewed Journal)
Cendrero-Mateo, M., Moran, M.S., Papuga, S., Thorp, K.R., Alonso, L., Moreno, J., Ponce Campos, G.E., Rascher, U., Wang, G. 2015. Plant Chlorophyll fluorescence: active and passive measurements at canopy and leaf scales with different nitrogen treatments. Journal of Experimental Botany. 67(1):275-286.
Proximal hyperspectral sensing and data analysis approaches for field-based plant phenomics - (Peer Reviewed Journal)
Thorp, K.R., Gore, M.A., Andrade-Sanchez, P., Carmo-Silva, E., Welch, S.M., White, J.W., French, A.N. 2015. Proximal hyperspectral sensing and data analysis approaches for field-based plant phenomics. Computers and Electronics in Agriculture. 118:225-236.
Comparison of traditional and ET-based irrigation scheduling of surface-irrigated cotton in the arid southwestern USA - (Peer Reviewed Journal)
Hunsaker, D.J., French, A.N., Waller, P., Bautista, E., Thorp, K.R., Bronson, K.F., Andrade-Sanchez, P. 2015. Comparison of traditional and ET-based irrigation scheduling of surface-irrigated cotton in the arid southwestern USA. Agricultural Water Management. 159:209-224.
Hydrologic-process-based soil texture classifications for improved visualization of landscape function - (Peer Reviewed Journal)
Groenendyk, D.G., Ferre, T.A., Thorp, K.R., Rice, A.K. 2015. Hydrologic-process-based soil texture classifications for improved visualization of landscape function. PLoS One. 10(6):1-17. doi: 10.1371/journal.pone.0131299.
Effect of nitrogen and water deficit type on the yield gap between the potential and attainable wheat yield - (Peer Reviewed Journal)
Liu, J., Wang, G., Thorp, K.R., Zhang, Y., Yang, M., Chu, Q. 2015. Effect of nitrogen and water deficit type on the yield gap between the potential and attainable wheat yield. Chilean Journal of Agricultural Research. 75(4):457-464.
Evaluation of the CSM-CROPGRO-Cotton model for the Texas rolling plains region and simulation of deficit irrigation strategies for increasing water use efficiency - (Peer Reviewed Journal)
Modala, N.R., Ale, S., Rajan, N., Munster, C., Delaune, P., Thorp, K.R., Nair, S., Barnes, E. 2015. Evaluation of the CSM-CROPGRO-Cotton model for the Texas rolling plains region and simulation of deficit irrigation strategies for increasing water use efficiency. Transactions of the ASABE. 58(3):685-696.
Integrating geospatial data and cropping system simulation within a geographic information system to analyze spatial seed cotton yield, water use, and irrigation requirements Reprint Icon - (Peer Reviewed Journal)
Thorp, K.R., Hunsaker, D.J., French, A.N., Bautista, E., Bronson, K.F. 2015. Integrating geospatial data and cropping system simulation within a geographic information system to analyze spatial seed cotton yield, water use, and irrigation requirements. Precision Agriculture. 16(5), 532-557.
A new DSSAT-CSM evapotranspiration module: ASCE standardized reference evapotranspiration with dual crop coefficient - (Proceedings)
Remote sensing of evapotranspiration over cotton using the TSEB and METRIC energy balance models Reprint Icon - (Peer Reviewed Journal)
French, A.N., Hunsaker, D.J., Thorp, K.R. 2015. Remote sensing of evapotranspiration over cotton using the TSEB and METRIC energy balance models. Remote Sensing of Environment. 158:281-294.
Evaluation of CSM-CROPGRO-Cotton for simulating effects of management and climate change on cotton growth and evapotranspiration in an arid environment - (Peer Reviewed Journal)
Thorp, K.R., Barnes, E.M., Hunsaker, D.J., Kimball, B.A., White, J.W., Nazareth, V.J., Hoogenboom, G. 2014. Evaluation of CSM-CROPGRO-Cotton for simulating effects of management and climate change on cotton growth and evapotranspiration in an arid environment. Transactions of the ASABE. 57(6):1627-1642.
Lesquerella seed and oil yield response to split-applied N fertilizer - (Peer Reviewed Journal)
Jiangang, L., Bronson, K.F., Thorp, K.R., Mon, J., Mohammad, B., Mccloskey, W., Ray, D.T., Qingquan, C., Guangyao, W. 2014. Lesquerella seed and oil yield response to split-applied N fertilizer. Industrial Crops and Products. 60:273-279.
Development and application of process-based simulation models for cotton production: A review of past, present, and future directions - (Peer Reviewed Journal)
Thorp, K.R., Ale, S., Bange, M.P., Barnes, E.M., Hoogenboom, G., Lascano, R.J., Mccarthy, A.C., Nair, S., Paz, J.O., Rajan, N., Reddy, K.R., Wall, G.W., White, J.W. 2014. Development and application of process-based simulation models for cotton production: A review of past, present, and future directions. Journal of Cotton Science. 18:10-47.
Modeling the long-term effect of winter cover crops on nitrate transport in artificially drained fields across the Midwest U.S. - (Abstract Only)
Cover crops in the upper midwestern United States: Simulated effect on nitrate leaching with artificial drainage - (Peer Reviewed Journal)
Malone, R.W., Jaynes, D.B., Kaspar, T.C., Thorp, K.R., Kladivko, E.J., Ma, L., James, D.E., Singer, J.W., Morin, X.K., Searchinger, T.D. 2014. Cover crops in the upper midwestern United States: Simulated effect on nitrate leaching with artificial drainage. Journal of Soil and Water Conservation. 69:292-305.
Cultivar and nitrogen fertilizer rate affect yield and nitrogen use efficiency in irrigated durum wheat - (Peer Reviewed Journal)
Liang, Z., Bronson, K.F., Thorp, K.R., Mon, J., Badaruddin, M., Wang, G. 2014. Cultivar and nitrogen fertilizer rate affect yield and nitrogen use efficiency in irrigated durum wheat. Crop Science. 54:1175-1183.
Multiple leaf measurements improve effectiveness of the cholorophyll meter in drum wheat nitrogen management - (Peer Reviewed Journal)
Wang, G., Bronson, K.F., Thorp, K.R., Mon, J., Badaruddin, M. 2014. Multiple leaf measurements improve effectiveness of the cholorophyll meter in drum wheat nitrogen management. Crop Science. 54:817-826.
A model-independent open-source geospatial tool for managing point-based environmental model simulations at multiple spatial locations Reprint Icon - (Peer Reviewed Journal)
Thorp, K.R., Bronson, K.F. 2013. A model-independent open-source geospatial tool for managing point-based environmental model simulations at multiple spatial locations. Environmental Modelling & Software. 50:25-36.
Geospatial simulation: an open-source, model-independent geospatial tool for managing point-based environmental models at multiple spatial locations - (Abstract Only)
Thorp, K.R., Bronson, K.F. 2013. Geospatial Simulation: An open-source, model-independent geospatial tool for managing point-based environmental models at multiple spatial locations. Agro-Ecosystems Modelling International Congress Proceedings. 50:25-36.
Development and evaluation of a field-based high-throughput phenotyping platform - (Peer Reviewed Journal)
Andrade-Sanchez, P., Gore, M., Heun, J., Thorp, K.R., Carmo-Silva, E., French, A.N., Salvucci, M.E., White, J.W. 2013. Development and evaluation of a field-based high-throughput phenotyping platform. Functional Plant Biology. DOI:10.1071/FP13126.
A book review of Spatial data analysis in ecology and agriculture using R - ()
Thorp, K.R. 2013. A book review of Spatial data analysis in ecology and agriculture using R. Field Crops Research. 149:261.
Effect of image spatial and spectral characteristics on mapping semi-arid rangeland vegetation using multiple endmember spectral mixture analysis (MESMA) Reprint Icon - (Peer Reviewed Journal)
Thorp, K.R., French, A.N., Rango, A. 2013. Effect of image spatial and spectral characteristics on mapping semi-arid rangeland vegetation using multiple endmember spectral mixture analysis (MESMA). Remote Sensing of Environment. 132:120-130.
Camelina water use and seed yield response to irrigation scheduling in an arid environment Reprint Icon - (Peer Reviewed Journal)
Hunsaker, D.J., French, A.N., Thorp, K.R. 2013. Camelina water use and seed yield response to irrigation scheduling in an arid environment. Irrigation Science. 31(5):911-929.
Estimation of surface energy fluxes using surface renewal and flux variance techniques over an advective irrigated agricultural site Reprint Icon - (Peer Reviewed Journal)
French, A.N., Alfieri, J.G., Kustas, W.P., Prueger, J.H., Hipps, L.E., Chavez Eguez, J.L., Evett, S.R., Howell, T.A., Gowda, P., Hunsaker, D.J., Thorp, K.R. 2012. Estimation of surface energy fluxes using surface renewal and flux variance techniques over an advective irrigated agricultural site. Advances in Water Resources. 50:91-105. doi:10.1016/j.advwatres.2012.07.007.
Estimating crop biophysical properties from remote sensing data by inverting linked radiative transfer and ecophysiological models - (Peer Reviewed Journal)
Thorp, K.R., Wang, G., West, A.L., Moran, M.S., Bronson, K.F., White, J.W., Mon, J. 2012. Estimating crop biophysical properties from remote sensing data by inverting linked radiative transfer and ecophysiological models. Remote Sensing of Environment. 124:224-233.
Field-based phenomics for plant genetics research - (Peer Reviewed Journal)
White, J.W., Andrade-Sanchez, P., Gore, M.A., Bronson, K.F., Coffelt, T.A., Conley, M.M., Feldman, K.A., French, A.N., Heun, J.T., Hunsaker, D.J., Jenks, M.A., Kimball, B.A., Roth, R., Strand, R.J., Thorp, K.R., Wall, G.W., Wang, G. 2012. Field-based phenomics for plant genetics research. Field Crops Research. 133:101-112.
Assimilating remote sensing observations of leaf area index and soil moisture for wheat yield estimates: An observing system simulation experiment Reprint Icon - (Peer Reviewed Journal)
Nearing, G.S., Crow, W.T., Thorp, K.R., Moran, M.S., Reichle, R., Gupta, H.V. 2012. Assimilating remote sensing observations of leaf area index and soil moisture for wheat yield estimates: An observing system simulation experiment. Water Resources Research. 48 W05525.
Methodology to evaluate the performance of simulation models for alternative compiler and operating system configurations - (Peer Reviewed Journal)
Thorp, K.R., White, J.W., Porter, C.H., Hoogenboom, G., Nearing, G.S., French, A.N. 2012. Methodology to evaluate the performance of simulation models for alternative compiler and operating system configurations. Computers and Electronics in Agriculture. 81(1):62-71.
Association of spectral reflectance indices with plant growth and lint yield in upland cotton (Gossypium hirsutum L.) - (Peer Reviewed Journal)
Gutierrez, M., Norton, R., Thorp, K.R., Wang, G. 2012. Association of spectral reflectance indices with plant growth and lint yield in upland cotton (Gossypium hirsutum L.). Crop Science. 52:849-857.
Verifiable metamodels for nitrate losses to drains and groundwater in the corn belt, USA - (Peer Reviewed Journal)
Nolan, B.T., Malone, R.W., Gronberg, J., Thorp, K.R., Ma, L. 2012. Verifiable metamodels for nitrate losses to drains and groundwater in the corn belt, USA. Environmental Science and Technology. 46:901-908.
Modeling the effects of controlled drainage, N rate and weather on nitrate loss to subsurface drainage - (Peer Reviewed Journal)
Fang, Q.X., Malone, R.W., Ma, L., Jaynes, D.B., Thorp, K.R., Green, T.R., Ahuja, L.R. 2012. Modeling the effects of controlled drainage, N rate and weather on nitrate loss to subsurface drainage. Agricultural Water Management. 103:150-161.
Simulating long-term impacts of winter rye cover crop on hydrologic cycling and nitrogen dynamics for a corn-soybean crop system - (Peer Reviewed Journal)
Qi, Z., Helmers, M., Malone, R.W., Thorp, K.R. 2011. Simulating long-term impacts of winter rye cover crop on hydrologic cycling and nitrogen dynamics for a corn-soybean crop system. Transactions of the ASABE. 54:1575-1588.
Simulating Stochastic Crop Management in Cropping Systems - (Abstract Only)
White, J.W., Thorp, K.R. 2011. Simulating Stochastic Crop Management in Cropping Systems. Meeting Abstract,41st Biological Simulation Conference, April 19 - 21, 2011, The University of Texas, Austin, Texas.
Color Image Segmentation Approach to Monitor Flowering in Lesquerella - (Abstract Only)
Color image segmentation approach to monitor flowering in lesquerella - (Peer Reviewed Journal)
Thorp, K.R., Dierig, D.A. 2011. Color image segmentation approach to monitor flowering in lesquerella. Industrial Crops and Products. 34(1):1150-1159.
Drainage water management for reducing nitrate losses from tile drained fields - ()
Jaynes, D.B., Malone, R.W., Thorp, K.R. 2010. Drainage water management for reducing nitrate losses from tile drained fields. In: Rudebusch, L., (ed.) Getting into soil and water: 2010. Iowa Water Center, Ames, IA. p. 28-30.
Lesquerella: New crop development and commercialization in the U.S. - (Peer Reviewed Journal)
Dierig, D.A., Wang, G., Mccloskey, W.B., Thorp, K.R., Isbell, T., Ray, D.T., Foster, M.A. 2011. Lesquerella: New crop development and commercialization in the U.S. Industrial Crops and Products. 34:1381-1385.
Field Thermal Infrared Emissivity Dependence on Soil Moisture - (Peer Reviewed Journal)
Sanchez, J.M., French, A.N., Mira, M., Hunsaker, D.J., Thorp, K.R., Valor, E., Caselles, V. 2011. Field thermal infrared emissivity dependence on soil moisture. IEEE Transactions on Geoscience and Remote Sensing. 99:1-8. DOI:10.1109/TGRS.2011.2142000.
Remote sensing of evapotranspiration over crops using combined airborne and ground-based observations - (Proceedings)
French, A.N., Hunsaker, D.J., Thorp, K.R. 2010. Remote sensing of evapotranspiration over crops using combined airborne and ground-based observations. National Decennial Irrigation Conference. IRR 10-9789.
Analysis of hyperspectral reflectance data for monitoring growth and development of lesquerella - (Peer Reviewed Journal)
Thorp, K.R., Dierig, D.A., French, A.N., Hunsaker, D.J. 2010. Analysis of hyperspectral reflectance data for monitoring growth and development of lesquerella. Industrial Crops and Products. 33(2):524-531.
Field thermal infrared emissivity dependence on soil moisture - (Proceedings)
Sanchez, J.M., French, A.N., Mira, M., Hunsaker, D.J., Thorp, K.R., Valor, E., Caselles, V. 2010. Field thermal infrared emissivity dependence on soil moisture. Remote Sensing in Hydrology Symposium. 10-11.
Analyzing Water Management and Production Trade-Offs Using Crop Systems Models - (Proceedings)
Thorp, K.R., Hunsaker, D.J., French, A.N. 2010. Analyzing Water Management and Production Trade-Offs Using Crop Systems Models. National Decennial Irrigation Conference. ASABE Paper No. IRR10-9783.
Likelihood parameter estimation for calibrating a soil moisture using radar backscatter - (Peer Reviewed Journal)
Nearing, G.S., Moran, M.S., Thorp, K.R., Holifield Collins, C.D., Slack, D.C. 2010. Likelihood parameter estimation for calibrating a soil moisture using radar backscatter. Remote Sensing of Environment. 114: 2564-2574.
Potential water quality impact of drainage water management in the Midwest USA - (Proceedings)
Jaynes, D.B., Thorp, K.R., James, D.E. 2010. Potential water quality impact of drainage water management in the Midwest USA. International Drainage Symposium. ASABE Paper No. IDS-CSBE100084.
Drainmod-simulated performance of drainage water management across the U.S. Midwest - (Proceedings)
Youssef, M.A., R. Wayne, S., Thorp, K.R., Ahmed, A.M., Jaynes, D.B. 2010. Drainmod-Simulated Performance of Drainage Water Management Across the U.S. Midwest. Proceedings of the 9th International Drainage Symposium. ASABE Paper No. IDS-CSBE100206..
Assimilating Leaf Area Index Estimates from Remote Sensing into the Simulations of a Cropping Systems Model - (Proceedings)
Thorp, K.R., Hunsaker, D.J., French, A.N. 2010. Assimilating Leaf Area Index Estimates from Remote Sensing into the Simulations of a Cropping Systems Model. Biological Systems Simulation Group Proceedings. Volume 1, Pages 30-31. University of Arizona:Maricopa
ET Estimation by assimilating ground and airborne data - (Proceedings)
French, A.N., Hunsaker, D.J., Thorp, K.R. 2010. ET Estimation by assimilating ground and airborne data. Biological Systems Simulation Group Proceedings. 12-13.
Assimilating leaf area index estimates from remote sensing into the simulations of a cropping systems model - (Peer Reviewed Journal)
Thorp, K.R., Hunsaker, D.J., French, A.N. 2010. Assimilating Leaf Area Index Estimates from Remote Sensing into the Simulations of a Cropping Systems Model. Transactions of the ASABE. 53(1):251-262.
Evaluation of the CSM-CROPSIM-CERES-Wheat Model as a Tool for Crop Water Management - (Peer Reviewed Journal)
Thorp, K.R., Hunsaker, D.J., French, A.N., White, J.W., Clarke, T.R., Pinter Jr, P.J. 2010. Evaluation of the CSM-CROPSIM-CERES-Wheat Model as a Tool for Crop Water Management. Transactions of the ASABE. 53(1):87-102.
Spatially distributed evapotranspiration estimation using remote sensing and ground-based radiometers over cotton at Maricopa, Arizona - (Proceedings)
French, A.N., Hunsaker, D.J., Thorp, K.R., Clarke, T.R. 2009. Spatially distributed evapotranspiration estimation using remote sensing and ground-based radiometers over cotton at Maricopa, Arizona. In: Proceedings of New Approaches to Hydrological Prediction in Data-sparse Regions, September 6-12, 2009, Hyderabad, India. p. 267-272.
Using ESAP Software for Predicting the Spatial Distributions of NDVI and Transpiration of Cotton - (Peer Reviewed Journal)
Hunsaker, D.J., El-Shikha, D.M., Clarke, T.R., French, A.N., Thorp, K.R. 2009. Using ESAP Software for Predicing the Spatial Distributions of NDVI and Transpiration of Cotton. Agricultural Water Management. 96(9):1293-1304
Winter Cover Crop Effects on Nitrate Leaching in Subsurface Drainage as Simulated by RZWQM-DSSAT - (Peer Reviewed Journal)
Li, L., Malone, R.W., Ma, L., Kaspar, T.C., Jaynes, D.B., Saseendran, S.A., Thorp, K.R., Yu, Q., Ahuja, L.R. 2008. Winter Cover Crop Effects on Nitrate Leaching in Subsurface Drainage as Simulated by RZWQM-DSSAT. Transactions of the ASABE. 51:1575-1583.
DRAINMOD-N II: Evaluated for an agricultural system in Iowa and compared to RZWQM-DSSAT - (Peer Reviewed Journal)
Thorp, K.R., Youssef, M.A., Jaynes, D.B., Malone, R.W., Ma, L. 2009. DRAINMOD-N II: Evaluated for an agricultural system in Iowa and compared to RZWQM-DSSAT. Transactions of the ASABE. 52(5):1557-1573.
Potential Water Quality Impact of Drainage Water Management in the Midwest Cornbelt - (Abstract Only)
Jaynes, D.B., Thorp, K.R. 2008. Potential Water Quality Impact of Drainage Water Management in the Midwest Cornbelt [abstract]. American Society for Agricultural and Biological Engineers. Paper No. 08-4566.
EVAPOTRANSPIRATION OVER A CAMELINA CROP AT MARICOPA, ARIZONA - (Peer Reviewed Journal)
French, A.N., Hunsaker, D.J., Thorp, K.R., Clarke, T.R. 2009. Evapotranspiration over a camelina crop at Maricopa, Arizona. Industrial Crops and Products. 29:289-300.
ESTIMATING CROP WATER USE FOR CAMELINA WITH REMOTE SENSING - (Proceedings)
French, A.N., Hunsaker, D.J., Thorp, K.R., Clarke, T.R. Estimating crop water use for camelina with remote sensing. ASABE Annual International Meeting. pp. 1-10.
Methodology for the use of DSSAT Models for Precision Agriculture Decision Support - (Peer Reviewed Journal)
Thorp, K.R., DeJonge, K.C., Kaleita, A.L., Batchelor, W.D., Paz, J.O. 2009. Methodology for the use of DSSAT Models for Precision Agriculture Decision Support. Computers and Electronics in Agriculture. 64(2):276-285.
Simulated Effects of Nitrogen Management and Soil Microbes on Soil Nitrogen Balance and Crop Production - (Peer Reviewed Journal)
Ma, L., Malone, R.W., Jaynes, D.B., Thorp, K.R., Ahuja, L.R. 2008. Simulated Effects of Nitrogen Management and Soil Microbes on Soil Nitrogen Balance and Crop Production. Soil Science Society of America Journal. 72:1594-1603.
SIMULATING LONG-TERM PERFORMANCE OF DRAINAGE WATER MANAGEMENT ACROSS THE MIDWESTERN UNITED STATES - (Peer Reviewed Journal)
Thorp, K.R., Jaynes, D.B., Malone, R.W. 2008. Simulating long-term performance of drainage water management across the midwestern United States. Transactions of the ASABE. 51(3):961-976.
USING AERIAL HYPERSPECTRAL REMOTE SENSING IMAGERY TO ESTIMATE CORN PLANT STAND DENSITY - (Peer Reviewed Journal)
Thorp, K.R., Steward, B.L., Kaleita, A.L., Batchelor, W.D. 2008. Using aerial hyperspectral remote sensing imagery to estimate corn plant stand density. Transactions of the ASABE. 51(1):311-320.
USING CROSS-VALIDATION TO EVALUATE CERES-MAIZE YIELD SIMULATIONS WITHIN A DECISION SUPPORT SYSTEM FOR PRECISION AGRICULTURE - (Peer Reviewed Journal)
Thorp, K.R., Batchelor, W.D., Paz, J.O., Kaleita, A.L., Dejonge, K.C. 2007. Using cross-validation to evaluate ceres-maize yield simulations within a decision support system for precision agriculture. Transactions of the ASABE. 50(4):1467-1479.
Simulating the effects of spatial variable irrigation on corn yields, costs, and revenue in Iowa - (Peer Reviewed Journal)
DeJonge, K.C., Kaleita, A.L., Thorp, K.R. 2007. Simulating the effects of spatial variable irrigation on corn yields, costs, and revenue in Iowa. Agricultural Water Management. 92:99-109.
Simulating long-term effects of nitrogen fertilizer application rates on corn yield and nitrogen dynamics - (Peer Reviewed Journal)
Thorp, K.R., Malone, R.W., Jaynes, D.B. 2007. Simulating long-term effects of nitrogen fertilizer application rates on corn yield and nitrogen dynamics. Transactions of the ASABE. 50(4):1287-1303.