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United States Department of Agriculture

Agricultural Research Service

Kelly R. Thorp

Agricultural Engineer

1 - Bibliography
2 - Publications

Adhikari, P., Ale, S., Bordovsky, J. P., Thorp, K. R., Modala, N. R., Rajan, N., Barnes, E. M., 2015. Simulating future climate change impacts on seed cotton yield in the Texas High Plains using the CSM-CROPGRO-Cotton model. Agricultural Water Management. Accepted 10/14/2015.


Cendrero-Mateo, M. P., Moran, M. S., Papuga, S. A., Thorp, K. R., Alonso, L., Moreno, J., Ponce-Campos, G., 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. Accepted 9/28/2015.


Thorp, K. R., Gore, M. A., Andrade-Sanchez, P., Carmo-Silva, A. 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. doi:10.1016/j.compag.2015.09.005


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. doi:10.1007/s11119-015-9393-x


Groenendyk, D. G., Ferré, T. P. A., Thorp, K. R., Rice, A. K., 2015. Hydrologic-process-based soil texture classification for improved visualization of landscape function. PLOS ONE 10 (6), e0131299. doi:10.1371/journal.pone.0131299


Hunsaker, D. J., French, A. N., Waller, P. M., 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. doi:10.1016/j.agwat.2015.06.016


Modala, N. R., Ale, S., Rajan, N., Munster, C. L., DeLaune, P. B., Thorp, K. R., Nair, S. S., Barnes, E. M., 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. doi:10.13031/trans.58.10833


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. doi:10.1016/j.rse.2014.11.003


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. doi:10.13031/trans.57.10612


Malone, R. W., Jaynes, D. B., Kaspar, T. C., Thorp, K. R., Kladivko, E., Ma, L., James, D. E., Singer, J., Morin, X. K., Searchinger, T., 2014. Cover crops in the upper Midwestern United States: Simulated effect on nitrate leaching with artificial drainage. Journal of Soil and Water Conservation 69 (4), 292–305. doi:10.2489/jswc.69.4.292


Liu, J., Bronson, K. F., Thorp, K. R., Mon, J., Badaruddin, M., McCloskey, W. B., Ray, D. T., Chu, Q., Wang G., 2014. Lesquerella seed and oil yield response to split-applied fertilizer. Industrial Crops and Products 60, 273–279. 10.1016/j.indcrop.2014.06.024


Liang, Z., Bronson, K. F., Thorp, K. R., Mon, J., Badaruddin, M., Wang, G., 2014. Cultivar and N fertilizer rate affect yield and N use efficiency in irrigated durum wheat. Crop Science 54 (3), 1175–1183. doi:10.2135/cropsci2013.03.0159


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 (1), 1–38.


Wang, G., Bronson, K. F., Thorp, K. R., Mon, J., Badaruddin, M., 2014. Multiple leaf measurements improve effectiveness of chlorophyll meter for durum wheat nitrogen management. Crop Science 54 (2), 817–826. doi:10.2135/cropsci2013.03.0160


Andrade-Sanchez, P., Gore, M. A., Heun, J. T., Thorp, K. R., Carmo-Silva, A. E., French, A. N., Salvucci, M. E., White, J. W., 2014. Development and evaluation of a field-based, high-throughput phenotyping platform. Functional Plant Biology 41 (1), 68–79. doi:10.1071/FP13126


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. doi:10.1016/j.envsoft.2013.09.002


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. doi:10.1007/s00271-012-0368-7


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. doi:10.1016/j.rse.2013.01.008


French, A. N., Alfieri, J. G., Kustas, W. P., Prueger, J. H., Hipps, L. E., Chávez, J. L., Evett, S. R., Howell, T. A., Gowda, P. H., 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


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. doi:10.1016/j.rse.2012.05.013


White, J. W., Andrade-Sanchez, P., Gore, M. A., Bronson, K. F., Coffelt, T. A., Conley, M. M., Feldmann, K. A., French, A. N., Heun, J. T., Hunsaker, D. J., Jenks, M. A., Kimball, B. A., Roth, R. L., 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. doi:10.1016/j.fcr.2012.04.003


Gutierrez, M., Norton, R., Thorp, K. R., Wang, G., 2012. Association of spectral reflectance indices with plant growth and lint yield in upland cotton. Crop Science 52 (2), 849–857. doi:10.2135/cropsci2011.04.0222


Nearing, G. S., Crow, W. T., Thorp, K. R., Moran, M. S., Reichle, R. H., 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 (5). doi:10.1029/2011WR011420


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. doi:10.1016/j.compag.2011.11.008


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. doi:10.1016/j.agwat.2011.11.006


Nolan, B. T., Malone, R. W., Gronberg, J. A., Thorp, K. R., Ma, L., 2012. Verifiable metamodels for nitrate losses to drains and groundwater in the Corn Belt, USA. Environmental Science & Technology 46 (2), 901–908. doi:10.1021/es202875e


Sánchez, J. M., French, A. N., Mira, M., Hunsaker, D. J., Thorp, K. R., Valor, E., Caselles, V., 2011. Thermal infrared emissivity dependence on soil moisture in field conditions. IEEE Transactions on Geoscience and Remote Sensing 49 (11 Part 2), 4652–4659. doi:10.1109/TGRS.2011.2142000


Dierig, D. A., Wang, G., McCloskey, W. B., Thorp, K. R., Isbell, T. A., Ray, D. T., Foster, M. A., 2011. Lesquerella: New crop development and commercialization in the U.S. Industrial Crops and Products 34 (2), 1381–1385. doi:10.1016/j.indcrop.2010.12.023


Qi, Z., Helmers, M. J., 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 (5), 1575–1588. doi:10.13031/2013.39836


Thorp, K. R., Dierig, D. A., 2011. Color image segmentation approach to monitor flowering in lesquerella. Industrial Crops and Products 34 (1), 1150–1159. doi:10.1016/j.indcrop.2011.04.002


Thorp, K. R., Dierig, D. A., French, A. N., Hunsaker, D. J., 2011. Analysis of hyperspectral reflectance data for monitoring growth and development of lesquerella. Industrial Crops and Products 33 (2), 524–531. doi:10.1016/j.indcrop.2010.10.003


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 model using radar backscatter. Remote Sensing of Environment 114 (11), 2564–2574. doi:10.1016/j.rse.2010.05.031


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. doi:10.13031/2013.29490


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. doi:10.13031/2013.29505


Hunsaker, D. J., El-Shikha, D. M., Clarke, T. R., French, A. N., Thorp, K. R., 2009. Using ESAP software for predicting the spatial distributions of NDVI and transpiration of cotton. Agricultural Water Management 96 (9), 1293–1304. doi:10.1016/j.agwat.2009.04.014


Thorp, K. R., Youssef, M. A., Jaynes, D. B., Malone, R. W., Ma, L., 2009. DRAINMODNII: Evaluated for an agricultural system in Iowa and compared to RZWQM-DSSAT. Transactions of the ASABE 52 (5), 1557–1573. doi:10.13031/2013.29144


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 (2-3), 289–300. doi:10.1016/j.indcrop.2008.06.001


Thorp, K. R., DeJonge, K. C., Kaleita, A. L., Batchelor, W. D., Paz, J. O., 2008. Methodology for the use of DSSAT models for precision agriculture decision support. Computers and Electronics in Agriculture 64 (2), 276–285. doi:10.1016/j.compag.2008.05.022


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 (6), 1594–1603. doi:10.2136/sssaj2007.0404


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 (5), 1575–1583. doi:10.13031/2013.25314


Thorp, K. R., Jaynes, D. B., Malone, R. W., 2008. Simulating the long-term performance of drainage water management across the midwestern United States. Transactions of the ASABE 51 (3), 961–976. doi:10.13031/2013.24534


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. doi:10.13031/2013.24207


DeJonge, K. C., Kaleita, A. L., Thorp, K. R., 2007. Simulating the effects of spatially variable irrigation on corn yields, costs, and revenue in Iowa. Agricultural Water Management 92 (1-2), 99–109. doi:10.1016/j.agwat.2007.05.008


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. doi:10.13031/2013.23605


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. doi:10.13031/2013.23640


Thorp, K. R., Batchelor, W. D., Paz, J. O., Steward, B. L., Caragea, P. C., 2006. Methodology to link production and environmental risks of precision nitrogen management strategies in corn. Agricultural Systems 89 (2-3), 272–298. doi:10.1016/j.agsy.2005.09.005


Thorp, K. R., Tian, L. F., 2004. A review on remote sensing of weeds in agriculture. Precision Agriculture 5 (5), 477–508. doi:10.1007/s11119-004-5321-1


Thorp, K. R., Tian, L. F., 2004. Performance study of variable-rate herbicide applications based on remote sensing imagery. Biosystems Engineering 88 (1), 35–47. doi:10.1016/j.biosystemseng.2004.01.012


Thorp, K. R., Tian, L., Yao, H., Tang, L., 2004. Narrow-band and derivative-based vegetation indices for hyperspectral data. Transactions of the ASAE 47 (1), 291–299. doi:10.13031/2013.15854

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Last Modified: 10/28/2015
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