Karen S Copeland
Soil and Water Management Research
Soil Scientist
Phone: (806) 356-5735
Fax: (806) 356-5750
(Employee information on this page comes from the REE Directory. Please contact your front office staff to update the REE Directory.)
Publications
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Weighing lysimeter data for the Bushland, Texas, sorghum datasets
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Evett, S.R., Marek, G.W., Copeland, K.S., Howell, T.A., Colaizzi, P.D., Ruthardt, B.B. 2024. Weighing lysimeter data for the Bushland, Texas, sorghum datasets. Ag Data Commons. https://doi.org/10.15482/USDA.ADC/25114610.v1.
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Simulation of soil temperature under maize: an inter-comparison among 33 maize models
- (Peer Reviewed Journal)
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Thorp, K.R., Boote, K.J., Stockle, C., Suyker, A.E., Evett, S.R., Brauer, D.K., Coyle, G.G., Copeland, K.S., Marek, G.W., Colaizzi, P.D., Acutis, M., Archontoulis, S., Babacar, F., Barcza, Z., Basso, B., Kimball, B.A., De Antoni Migliorati, M., Zhou, W., Timlin, D.J. 2024. Simulation of soil temperature under maize: an inter-comparison among 33 maize models. Agricultural and Forest Meteorology. 351. Article 110003. https://doi.org/10.1016/j.agrformet.2024.110003.
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Weighing lysimeter data for the Bushland, Texas, cotton datasets
- (Database / Dataset)
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Evett, S.R., Marek, G.W., Copeland, K.S., Ruthardt, B.B., Colaizzi, P.D., Howell, T.A. 2024. Weighing lysimeter data for the Bushland, Texas, cotton datasets. Ag Data Commons. https://doi.org/10.15482/USDA.ADC/25114670.v1.
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Agronomic calendars for the Bushland, Texas sorghum datasets
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Evett, S.R., Marek, G.W., Copeland, K.S., Howell, Sr, T.A., Colaizzi, P.D., Brauer, D.K., Ruthardt, B.B. 2023. Agronomic calendars for the Bushland, Texas sorghum datasets. Ag Data Commons. https://doi.org/10.15482/usda.adc/1529414.
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Growth and yield data for the Bushland, Texas cotton datasets
- (Database / Dataset)
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Evett, S.R., Marek, G.W., Copeland, K.S., Howell, Sr, T.A., Colaizzi, P.D., Brauer, D.K., Ruthardt, B.B. 2023. Growth and yield data for the Bushland, Texas cotton datasets. Ag Data Commons. https://doi.org/10.15482/usda.adc/1529408.
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Growth and yield data for the Bushland, Texas, sorghum datasets
- (Database / Dataset)
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Evett, S.R., Marek, G.W., Copeland, K.S., Howell, Sr, T.A., Colaizzi, P.D., Brauer, D.K., Ruthardt, B.B. 2023. Growth and yield data for the Bushland, Texas, sorghum datasets. Ag Data Commons. https://doi.org/10.15482/usda.adc/1529411.
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Agronomic calendars for the Bushland, Texas cotton datasets
- (Database / Dataset)
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Evett, S.R., Marek, G.W., Copeland, K.S., Howell, Sr, T.A., Colaizzi, P.D., Brauer, D.K., Ruthardt, B.B. 2023. Agronomic calendars for the Bushland, Texas cotton datasets. Ag Data Commons. https://doi.org/10.15482/usda.adc/1529368.
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Soil water content data for The Bushland, Texas large weighing lysimeter experiments
- (Database / Dataset)
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Evett, S.R., Marek, G.W., Copeland, K.S., Howell, Sr, T.A., Colaizzi, P.D., Brauer, D.K., Ruthardt, B.B. 2023. Soil water content data for The Bushland, Texas large weighing lysimeter experiments. Ag Data Commons. https://doi.org/10.15482/USDA.ADC/1526332.
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Differences in crop coefficients for SDI and sprinkler irrigation
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Marek, G.W., Evett, S.R., Colaizzi, P.D., O'Shaughnessy, S.A., Brauer, D.K., Ruthardt, B.B., Copeland, K.S., Howell, Sr., T.A. 2023. Differences in crop coefficients for SDI and sprinkler irrigation [abstract]. ASABE 2nd Global ET Symposium, October 23-27, 2023, University Park, Pennsylvania. Paper No. 23032.
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Data quality control for stationary infrared thermometers viewing crops
- (Peer Reviewed Journal)
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Colaizzi, P.D., O'Shaughnessy, S.A., Evett, S.R., Marek, G.W., Brauer, D.K., Copeland, K.S., Ruthardt, B.B. 2023. Data quality control for stationary infrared thermometers viewing crops. Applied Engineering in Agriculture. 39(4):427-438. https://doi.org/10.13031/aea.15642.
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ET from water balance considering dewfall and frost in a semi-arid continental climate
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Evett, S.R., Marek, G.W., Colaizzi, P.D., Brauer, D.K., Copeland, K.S., Ruthardt, B.B. 2023. ET from water balance considering dewfall and frost in a semi-arid continental climate [abstract]. ASABE 2nd Global ET Symposium, October 23-27, 2023, University Park, Pennsylvania. Paper No. 23041.
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Lessons learned from two decades of eddy covariance and large weighing lysimeter comparisons
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Evett, S.R., Lin, X., Marek, G.W., Brauer, D.K., Copeland, K.S., Ruthardt, B.B. 2023. Lessons learned from two decades of eddy covariance and large weighing lysimeter comparisons [abstract]. ASABE 2nd Global ET Symposium, October 23-27, 2023. Paper No. 23042.
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Comparision of weighing lysimeter ET with a two-source energy balance model
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Colaizzi, P.D., O'Shaughnessy, S.A., Evett, S.R., Marek, G.W., Brauer, D.K., Copeland, K.S., Ruthardt, B.B. 2023. Comparision of weighing lysimeter ET with a two-source energy balance model [abstract]. ASABE 2nd Global ET Symposium, October 23-27, 2023, University Park, Pennsylvania. Paper No. 23006.
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30+ years of ET, energy and water balance, weather, crop growth, and yield data in a semi-arid, continental climate
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Evett, S.R., Marek, G.W., Colaizzi, P.D., Brauer, D.K., Howell, Sr., T.A., Ruthardt, N.B., Copeland, K.S. 2023. 30+ years of ET, energy and water balance, weather, crop growth, and yield data in a semi-arid, continental climate [abstract]. ASABE 2nd Global ET Symposium, October 23-27, 2023, University Park, Pennsylvania. Paper No. 23040.
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The Bushland, Texas, soybean datasets
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Evett, S.R., Copeland, K.S., Ruthardt, B.B., Marek, G.W., Colaizzi, P.D., Howell, Sr., T., Brauer, D.K. 2023. The Bushland, Texas, soybean datasets. Ag Data Commons. https://doi.org/10.15482/usda.adc/1528779.
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The importance of dewfall and frost in semi-arid water and energy balances
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Evett, S.R., Marek, G.W., Colaizzi, P.D., Brauer, D.K., Copeland, K.S., Ruthardt, B.B. 2023. The importance of dewfall and frost in semi-arid water and energy balances [abstract]. 2023 ASABE Annual International Meeting, July 9-12, 2023, Omaha, Nebraska. Paper No. 2300149.
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Quality assurance procedures for stationary infrared thermometers viewing crops
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Colaizzi, P.D., O'Shaughnessy, S.A., Evett, S.R., Marek, G.W., Brauer, D.K., Copeland, K.S., Ruthardt, B.B. 2023. Quality assurance procedures for stationary infrared thermometers viewing crops [abstract]. 2023 ASABE Annual International Meeting, July 7-12, 2023, Omaha, Nebraska. Paper No. 2300046.
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The importance of reduced evaporative losses with SDI in the Central and Southern High Plains
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Evett, S.R., Marek, G.W., Colaizzi, P.D., Brauer, D.K., Howell, Sr, T.A., Ruthardt, B.B., Copeland, K.S. 2023. The importance of reduced evaporative losses with SDI in the Central and Southern High Plains [abstract].2023 ASABE Annual International Meeting, July 9-12, 2023, Omaha, Nebraska. Paper No. 2300521.
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Simulation of evapotranspiration and yield of maize: An inter-comparison among 41 maize models
- (Peer Reviewed Journal)
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Kimball, B.A., Thorp, K.R., Boote, K.J., Stockle, C., Suyker, A.E., Evett, S.R., Brauer, D.K., Coyle, G.G., Copeland, K.S., Marek, G.W., Colaizzi, P.D., Acutis, M., Alimagham, S., Archontoulis, S., Babacar, F., Barcza, Z., Basso, B., Bertuzzi, P., Constantin, J., De Antoni Migliorati, M., Dumont, B., Durand, J., Fodor, N., Gaiser, T., Garofalo, P., Gayler, S., Giglio, L., Grant, R., Guan, K., Hoogenboom, G., Jiang, Q., Kim, S., Kisekka, I., Lizaso, J., Masia, S., Meng, H., Mereu, V., Mukhtar, A., Perego, A., Peng, B., Priesack, E., Qi, Z., Shelia, V., Snyder, R., Soltani, A., Spano, D., Srivastava, A., Thomson, A., Timlin, D.J., Trabucco, A., Webber, H., Weber, T., Willaume, M., Williams, K., van der Laan, M., Ventrella, D., Viswanathan, M., Xu, X., Zhou, W. 2023. Simulation of evapotranspiration and yield of maize: An inter-comparison among 41 maize models. Agricultural and Forest Meteorology. 333. Article 109396. https://doi.org/10.1016/j.agrformet.2023.109396.
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The Bushland, Texas, sunflower datasets
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Evett, S.R., Copeland, K.S., Ruthardt, B.B., Marek, G.W., Colaizzi, P.D., Howell, Sr., T.A., Brauer, D.K. 2022. The Bushland, Texas, sunflower datasets. Ag Data Commons. https://doi.org/10.15482/usda.adc/1528066.
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Methods for downhole soil water sensor calibration - complications of bulk density and water content variations
- (Peer Reviewed Journal)
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Evett, S.R., Marek, G.W., Colaizzi, P.D., Copeland, K.S., Ruthardt, B.B. 2022. Methods for downhole soil water sensor calibration - complications of bulk density and water content variations. Vadose Zone Journal. Article e20235. https://doi.org/10.1002/vzj2.20235.
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The Bushland, Texas, winter wheat datasets
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Evett, S.R., Marek, G.W., Copeland, K.S., Ruthardt, B.B., Colaizzi, P.D., Brauer, D.K., Howell, Sr., T.A. 2022. The Bushland, Texas, winter wheat datasets. Ag Data Commons. https://doi.org/10.15482/USDA.ADC/1527912.
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Bushland crop growth, yield, ET, energy and water balance, and weather database: The Bushland weighing lysimeter datasets
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Evett, S.R., Marek, G.W., Copeland, K.S., Ruthardt, B.B., Colaizzi, P.D., Brauer, D.K. 2022. Bushland crop growth, yield, ET, energy and water balance, and weather database: The Bushland weighing lysimeter datasets [abstract]. 2022 ASA-CSSA-SSSA International Annual Meeting, November 6-9, 2022, Baltimore, MD. Paper No. 64-1.
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Standard quality controlled research weather data - USDA-ARS, Bushland, Texas
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Evett, S.R., Marek, G.W., Copeland, K.S., Ruthardt, B.B., Colaizzi, P.D., Brauer, D.K., Howell, Sr., T.A. 2022. Standard quality controlled research weather data - USDA-ARS, Bushland, Texas. Ag Data Commons. https://doi.org/10.15482/USDA.ADC/1526433.
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The Bushland, Texas, alfalfa datasets
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Evett, S.R., Marek, G.W., Copeland, K.S., Ruthardt, B.B., Colaizzi, P.D., Howell, Sr., T.A., Brauer, D.K. 2022. The Bushland, Texas, alfalfa datasets. Ag Data Commons. https://doi.org/10.15482/USDA.ADC/1526356.
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The Bushland maize for grain datasets: A machine-readable resource
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The Bushland, Texas maize for grain datasets
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Evett, S.R., Marek, G.W., Copeland, K.S., Ruthardt, B.B., Colaizzi, P.D., Brauer, D.K., Howell, Sr., T.A. 2022. The Bushland, Texas maize for grain datasets. Ag Data Commons. https://doi.org/10.15482/usda.adc/1526317.
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The Bushland maize for grain datasets: A machine-readable resource
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2016 USDA-ARS Bushland Texas 15-minute research weather data
- (Database / Dataset)
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Evett, S.R., Copeland, K.S., Marek, G.W., Colaizzi, P.D., Brauer, D.K. 2018. 2016 USDA-ARS Bushland Texas 15-minute research weather data. Ag Data Commons. https://doi.org/10.15482/USDA.ADC/1482548.
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Quality management for research weather data: USDA-ARS, Bushland, Texas
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Evett, S.R., Marek, G.W., Copeland, K.S., Colaizzi, P.D. 2018. Quality management for research weather data: USDA-ARS, Bushland, Texas. Agrosystems, Geosciences & Environment. 1:180036. https://doi.org/10.2134/age2018.09.0036.
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Evaporative losses from sprinkler and subsurface drip irrigation in a region of large evaporative demand
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Evett, S.R., Colaizzi, P.D., Marek, G.W., Moorhead, J.E., Brauer, D.K., Copeland, K.S., Ruthardt, B.B. 2018. Evaporative losses from sprinkler and subsurface drip irrigation in a region of large evaporative demand [abstract]. ASABE Annual International Meeting. Paper No. 1801788.
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A subsurface drip irrigation system for weighing lysimetry
- (Peer Reviewed Journal)
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Evett, S.R., Marek, G.W., Colaizzi, P.D., Ruthardt, B.B., Copeland, K.S. 2018. A subsurface drip irrigation system for weighing lysimetry. Applied Engineering in Agriculture. 34(1):213-214. doi:10.13031/aea.12597.
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Allometric method to estimate leaf area index for row crops
- (Peer Reviewed Journal)
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Colaizzi, P.D., Evett, S.R., Brauer, D.K., Howell, T.A., Tolk, J.A., Copeland, K.S. 2017. Allometric method to estimate leaf area index for row crops. Agronomy Journal. 109(3):1-12.
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The Bushland weighing lysimeters: A quarter century of crop ET investigations to advance sustainable irrigation
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Evapotranspiration, water productivity and crop coefficients for irrigated sunflower in the U.S. Southern High Plains
- (Peer Reviewed Journal)
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Howell, T.A., Evett, S.R., Tolk, J.A., Copeland, K.S., Marek, T.H. 2015. Evapotranspiration, water productivityo and crop coefficients for Irrigated sunflower in the U.S. Southern High Plains. Agricultural Water Management 162(2015)33-46.
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The Bushland weighing lysimeters: A quarter century of crop ET investigations to advance sustainable irrigation
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Evett, S.R., Howell, T.A., Schneider, A.D., Copeland, K.S., Dusek, D.A., Tolk, J.A., Brauer, D.K., Marek, G.W., Marek, T.M., Gowda, P. 2016. The Bushland weighing lysimeters: A quarter century of crop ET investigations to advance sustainable irrigation. Transactions of the ASABE. 58(5):13031/trans.58.11159.
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In situ sensors, weighing lysimeters and COSMOS under vegetated and bare conditions with subsurface drip irrigation
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Evett, S.R., Schwartz, R.C., Brauer, D.K., Franz, T., Ruthardt, B.B., Copeland, K.S. 2014. In situ sensors, weighing lysimeters and COSMOS under vegetated and bare conditions with subsurface drip irrigation [abstract].
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Soil water sensing for climate change studies; Applicability of COSMOS and local sensor networks
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Evett, S.R., Schwartz, R.C., Brauer, D.K., Franz, T., Ruthardt, B.B., Copeland, K.S. 2014. Soil water sensing for climate change studies; Applicability of COSMOS and local sensor networks [abstract].
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Sensing water from subsurface drip irrigation laterals: In situ sensors, weighing lysimeters and COSMOS under vegetated and bare conditions
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Evett, S.R., Schwartz, R.C., Ruthardt, B.B., Bell, J.M., Copeland, K.S. 2014. Sensing water from subsurface drip irrigation laterals: In situ sensors, weighing lysimeters and COSMOS under vegetated and bare conditions. ASA-CSSA-SSSA Annual Meeting Abstracts [abstract].
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Post-processing techniques for reducing errors in weighing lysimeter evapotranspiration (ET) datasets
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Marek, G.W., Evett, S.R., Gowda, P., Howell, T.A., Copeland, K.S., Baumhardt, R.L. 2014. Post-processing techniques for reducing errors in weighing lysimeter evapotranspiration (ET) datasets. Transactions of the ASABE. 57(2):499-515.
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Deriving hourly evapotranspiration (ET) rates with SEBS: A lysimetric evaluation
- (Peer Reviewed Journal)
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Gowda, P., Howell, T.A., Paul, G., Colaizzi, P.D., Marek, T.H., Su, B., Copeland, K.S. 2013. Deriving hourly evapotranspiration (ET) rates with SEBS: A lysimetric evaluation. Vadose Zone Journal. 12(3):1-11.
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Can weighing lysimeter ET represent surrounding field ET well enough to test flux station measurements of daily and sub-daily ET?
- (Peer Reviewed Journal)
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Evett, S.R., Schwartz, R.C., Howell, T.A., Baumhardt, R.L., Copeland, K.S. 2012. Can weighing lysimeter ET represent surrounding field ET well enough to test flux station measurements of daily and sub-daily ET?. Advances in Water Resources. 50:79-90. http://dx.doi.org/10.1016/j.advwatres.2012.07.023.
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Evapotranspiration and crop coefficients for irrigated sunflower in the southern high plains.
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Howell, T.A., Evett, S.R., Tolk, J.A., Copeland, K.S., Marek, T.H. 2012. Evapotranspiration and crop coefficients for irrigated sunflower in the southern high plains. Proceedings of the American Society of Agricultural and Biological Engineers International (ASABE). Paper No. 12-1338306.
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Evaporative loss from irrigated interrows in a highly advective semi-arid agricultural area
- (Peer Reviewed Journal)
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Agam, N., Evett, S.R., Tolk, J.A., Kustas, W.P., Colaizzi, P.D., Alfieri, J.G., McKee, L.G., Copeland, K.S., Howell, T.A., Chavez, J.L. 2012. Evaporative loss from irrigated interrows in a highly advective semi-arid agricultural area. Advances in Water Resources. 50:20-30.
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Manuscript title: Evaluating the two-source energy balance model using local thermal and surface flux observations in a strongly advective irrigated agricultural area
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Kustas, W.P., Alfieri, J.G., Anderson, M.C., Colaizzi, P.D., Prueger, J.H., Evett, S.R., Neale, C.M., French, A.N., Hipps, L.E., Chavez, J.L., Copeland, K.S., Howell, T.A. 2012. Evaluating the two-source energy balance model using local thermal and surface flux observations in a strongly advective irrigated agricultural area. Advances in Water Resources. 50:120-133.
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ET mapping with high-resolution airborne remote sensing data in an advective semiarid environment
- (Peer Reviewed Journal)
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Chavez, J.L., Gowda, P., Howell, T.A., Garcia, L.A., Copeland, K.S., Neale, C.M. 2012. ET mapping with high-resolution airborne remote sensing data in an advective semiarid environment. Journal of Irrigation and Drainage Engineering. 138(5):416-423.
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Lysimetric evaluation of eddy covariance fluxes over irrigated cotton in the Texas High Plains
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Gowda, P., Howell, T.A., Ha, W., Copeland, K.S., Rajan, N. 2011. Lysimetric evaluation of eddy covariance fluxes over irrigated cotton in the Texas High Plains [abstract]. ASA-CSSA-SSSA Annual Meeting Abstracts. Paper No. 194-1.
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Utility of Thermal-based Dual-Temperature-Difference Technique under Strongly Advective Conditions during BEAREX08
- (Proceedings)
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Kustas, W.P., Alfieri, J.G., Anderson, M.C., Colaizzi, P.D., Prueger, J.H., Chaves, J.L., Neale, C.M., Dulaney, W.P., Copeland, K.S., Howell, T.A. 2012. Utility of thermal-based dual-temperature-difference technique under strongly advective conditions during BEAREX08. International Association of Hydrological Science. 352:145-148.
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A comparison of the eddy covariance and lysimetry-based measurements of the surface energy fluxes during BEAREX08
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Alfieri, J.G., Kustas, W.P., Prueger, J.H., Chaves, J.L., Evett, S.R., Neals, C.M., Anderson, M.C., Hipps, L., Copeland, K.S., Howell, T.A., French, A.N., Dulaney, W.P., McKee, L.G. 2012. A comparison of the eddy covariance and lysimetry-based measurements of the surface energy fluxes during BEAREX08. International Association of Hydrological Science. 352:215-218.
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SEBAL for estimating hourly ET fluxes over irrigated and dryland cotton during BEAREX08
- (Proceedings)
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Gowda, P., Howell, T.A., Paul, G., Colaizzi, P.D., Marek, T.H., Copeland, K.S. 2011. SEBAL for estimating hourly ET fluxes over irrigated and dryland cotton during BEAREX08. Proceedings of the World Environmental and Water Resources Congress Conference. Paper No. 2787. 2011 CDROM.
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Use of a dual temprature-difference two-source model to estimate turbulent energy fluxes under strongly advective conditions during BEAREX08
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Alfieri, J.G., Kustas, W.P., Anderson, M.C., Colaizzi, P.D., Prueger, J.H., Hipps, L.E., Chavez, J.L., Evett, S.R., Copeland, K.S., Howell, T.A. 2011. Use of a dual temprature-difference two-source model to estimate turbulent energy fluxes under strongly advective conditions during BEAREX08 [abstract]. American Meteorological Society. http://ams.confex.com/ams/91Annual/webprogram/Paper185387.html.
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Evapotranspiration of irrigated sunflower in a semi-arid environment
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Howell, T.A., Evett, S.R., Tolk, J.A., Copeland, K.S. 2010. Evapotranspiration of irrigated sunflower in a semi-arid environment [abstract]. In: ASA-CSSA-SSSA Annual Meeting Abstracts, October 31-November 4, 2010, Long Beach, California. Paper No. 123-7. 2010 CDROM.
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Utility of Thermal-based Dual-Temperature-Difference Technique for Surface Energy Balance Estimation under Strongly Advective Conditions during BEARE08
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Kustas, W.P., Alfieri, J.G., Anderson, M.C., Colaizzi, P.D., Prueger, J.H., Chavez, J.L., Hipps, L.E., Evett, S.R., Copeland, K.S., Howell, T.A. 2010. Utility of thermal-based dual-temperature-difference technique for surface energy balance estimation under strongly advective conditions during BEAREX08 [abstract]. Remote Sensing and Hydrology 2010 Symposium. Paper No. 146, p. 68.
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Surface aerodynamic temperature modeling over rainfed cotton
- (Peer Reviewed Journal)
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Chavez, J., Howell, T.A., Gowda, P., Copeland, K.S., Prueger, J.H. 2010. Surface aerodynamic temperature modeling over rainfed cotton. Transactions of the ASABE. 53(3):759-767.
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Evaluation of five surface energy balance approaches for mapping ET using Landsat TM data acquired during BEAREX08
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Gowda, P., Howell, T.A., Vinukollu, R., Colaizzi, P.D., Copeland, K.S. 2009. Evaluation of five surface energy balance approaches for mapping ET using Landsat TM data acquired during BEAREX08 [abstract]. American Society of Agronomy, Crop Science Society of America, Soil Science Society of America 2009 Annual Meeting Abstracts, November 1-5, 2009, Pittsburgh, Pennsylvania. 2009 CDROM.
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Aerodynamic Temperature Derived from Flux-Profile Measurements and Two-Source Model Predictions over a Cotton Row Crop in an Advective Environment
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Chavez, J.L., Kustas, W.P., Gowda, P., Howell, T.A., Prueger, J.H., Hipps, L.E., Oshaughnessy, S.A., Colaizzi, P.D., Evett, S.R., Neale, C., Anderson, M.C., Copeland, K.S. 2009. Aerodynamic temperature derived from flux-profile measurements and two-source model predictions over a cotton row crop in an advective environment [abstract]. The International Annual Meetings of the American Society of Agronomy, Crop Science Society of America, and Soil Science Society of America, Symposium on Remote Sensing at Multiple Scales: The Bushland Evapotranspiration and Agricultural Remote Sensing Experiment. http://a-c-s.confex.com/crops/2009am/webprogram/Paper55678.html.
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Mapping ET at high resolution in an advective semi-arid environment with airborne multispectral imagery
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Chavez, J., Gowda, P., Howell, T.A., Garcia, L., Copeland, K.S. 2009. Mapping ET at high resolution in an advective semi-arid environment with airborne multispectral imagery. Environmental and Water Resources Institute World Congress Proceedings, May 17-21, 2009, Kansas City, Missouri.p.4411-4421.2009 CDROM.
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Evaluating eddy covariance cotton ET measurements in an advective environment with large weighing lysimeters
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Chavez Eguez, J.L., Howell, T.A., Copeland, K.S. 2009. Evaluating eddy covariance cotton ET measurements in an advective environment with large weighing lysimeters. Irrigation Science. 28(1):35-50.
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Estimating hourly crop ET using a two-source energy balance model and multispectral airborne imagery
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Chavez Eguez, J.L., Gowda, P., Howell, T.A., Neale, C., Copeland, K.S. 2009. Estimating hourly crop ET using a two-source energy balance model and multispectral airborne imagery. Irrigation Science. 28(1):79-91. [doi:10.1007/s00271-009-0177-9]
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Radiometric surface temperature calibration effects on satellite based evapotranspiration estimation
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Chavez Eguez, J.L., Gowda, P., Howell, T.A., Copeland, K.S. 2009. Radiometric surface temperature calibration effects on satellite based evapotranspiration estimation. International Journal of Remote Sensing. 30(9):2337-2354.
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Energy balance of irrigated and dryland cotton in the Southern High Plains
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Howell, T.A., Evett, S.R., Tolk, J.A., Colaizzi, P.D., Gowda, P., Chavez Eguez, J.L., Copeland, K.S. 2008. Energy balance of irrigated and dryland cotton in the Southern High Plains [abstract]. 2008 Joint Meeting of American Society of Agronomy, Soil Science Society of America, and Crop Science Society of America, October 5-9, 2008, Houston, Texas. Paper No. 779-1. 2008 CDROM.
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Comparing SEBAL ET with lysimeter data in the semi-arid Texas High Plains
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Gowda, P., Howell, T.A., Chavez Eguez, J.L., Copeland, K.S., Paul, G. 2008. Comparing SEBAL ET with lysimeter data in the semi-arid Texas High Plains. In: Proceedings of the Environmental and Water Resources Institute World Congress, May 12-16, 2008, Honolulu, Hawaii. 2008 CDROM.
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Evaluating three evapotranspiration mapping algorithms with lysimetric data in the semi-arid Texas High Plains
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Chavez Eguez, J.L., Gowda, P., Howell, T.A., Copeland, K.S. 2007. Evaluating three evapotranspiration mapping algorithms with lysimetric data in the semi-arid Texas High Plains. In: Proceedings of the 28th Annual International Irrigation Show, December 9-11, 2007, San Diego, California. p. 268-283. 2007 CDROM.
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Preliminary evaluation of sensible heat flux measurements from a large aperture scintillometer using lysimetric data
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Gowda, P., Howell, T.A., Scanlon, B.R., Copeland, K.S., Bush, K.A. 2007. Preliminary evaluation of sensible heat flux measurements from a large aperture scintillometer using lysimetric data [abstract]. American Geophysical Union Fall Meeting, December 10-14, 2007, San Francisco, California. 2007 CDROM.
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An aerodynamic temperature-based regional ET model evaluation for Texas High Plains agrometeorological conditions
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Chavez Eguez, J.L., Gowda, P., Howell, T.A., Copeland, K.S. 2007. An aerodynamic temperature-based regional ET model evaluation for Texas High Plains agrometeorological conditions [abstract]. ASA-CSSA-SSSA Annual Meeting, November 4-8, 2007, New Orleans, Louisiana. 2007 CDROM.
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Hourly and daily evapotranspiration of alfalfa under regional advection
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Howell, T.A., Tolk, J.A., Evett, S.R., Copeland, K.S. 2007. Hourly and daily evapotranspiration of alfalfa under regional advection [abstract]. ASA-CSSA-SSSA Annual Meeting, November 4-8, 2007, New Orleans, Louisiana. 2007 CDROM.
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Evapotranspiration of deficit irrigated sorghum and winter wheat
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Howell, T.A., Tolk, J.A., Evett, S.R., Copeland, K.S., Dusek, D.A. 2007. Evapotranspiration of deficit irrigated sorghum and winter wheat. In: Clemmens, A.J., editor. USCID Fourth International Conference on Irrigation and Drainage. The Role of Irrigation and Drainage in a Sustainable Future, October 3-6, 2007, Sacramento, California. p. 223-239. 2007 CDROM.
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Evapotranspiration of deficit irrigated sorghum
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Howell, T.A., Tolk, J.A., Evett, S.R., Copeland, K.S., Dusek, D.A. 2007. Evapotranspiration of deficit irrigated sorghum. Texas Experiment Station Field Day Handout. p. 32-39.
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Evapotranspiration of deficit irrigated sorghum
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Howell, T.A., Tolk, J.A., Evett, S.R., Copeland, K.S., Dusek, D.A. 2007. Evapotranspiration of deficit irrigated sorghum. In: Proceedings of the World Water and Environmental Resources Congress, May 15-19, 2007, Tampa, Florida. 2007 CDROM.
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Two-source energy balance model evaluation for mapping evapotranspiration on the semi-arid Southern High Plains
- (Abstract Only)
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Gowda, P., Chavez Eguez, J.L., Colaizzi, P.D., Evett, S.R., Howell, T.A., Copeland, K.S. 2007. Two-source energy balance model evaluation for mapping evapotranspiration on the semi-arid Southern High Plains [abstract]. 2007 AGU Joint Assembly, May 22-25, 2007, Acapulco, Mexico. 2007 CDROM.
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METRIC estimated ET evaluation on the semiarid Southern High Plains
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Chavez Eguez, J.L., Gowda, P., Colaizzi, P.D., Evett, S.R., Howell, T.A., Copeland, K.S. 2007. Metric estimated ET evaluation on the semiarid Southern High Plains [abstract]. 2007 AGU Joint Assembly, May 22-25, 2007, Acapulco, Mexico. 2007 CDROM.
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Irrigated soybean evapotranspiration in a semi-arid environment.
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Howell, T.A., Evett, S.R., Tolk, J.A., Copeland, K.S., Colaizzi, P.D. 2006. Irrigated soybean evapotranspiration in a semi-arid environment. ASA-CSSA-SSSA Annual Meeting, November 12-16, 2006, Indianapolis, Indiana. 2006 CDROM.
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EXTERNAL FULL-TIME VACUUM LYSIMETER DRAINAGE SYSTEM
- (Peer Reviewed Journal)
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Evett, S.R., Ruthardt, B.B., Copeland, K.S. 2006. External full-time vacuum lysimeter drainage system. Applied Engineering in Agriculture. 22(6):875-880.
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Variability analyses of alfalfa-reference to grass-reference evapotranspiration ratios in growing and dormant seasons
- (Peer Reviewed Journal)
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CROP COEFFICIENTS DEVELOPED AT BUSHLAND, TEXAS FOR CORN, WHEAT, SORGHUM, SOYBEAN, COTTON, AND ALFALFA
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Howell, T.A., Evett, S.R., Tolk, J.A., Copeland, K.S., Dusek, D.A., Colaizzi, P.D. 2006. Crop coefficients developed at Bushland, Texas for corn, wheat, sorghum, soybean, cotton, and alfalfa. In: Proceedings of the World Water and Environmental Resources Congress. Examining the Confluence of Environmental and Water Concerns, May 21-25, 2006, Omaha, Nebraska. 2006 CDROM.
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Evapotranspiration of corn and forage sorghum for silage
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Howell, T.A., Evett, S.R., Tolk, J.A., Copeland, K.S., Colaizzi, P.D., Gowda, P. 2008. Evapotranspiration of corn and forage sorghum for silage. In: Proceedings of the Environmental and Water Resources Institute World Congress, May 12-16, 2008, Honolulu, Hawaii. 2008 CDROM.
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RADIATION BALANCE OF IRRIGATED TURF GRASS
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IRRIGATED FESCUE GRASS ET COMPARED WITH CALCULATED REFERENCE GRASS ET
- (Proceedings)
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EVALUATION OF CROP WATER STRESS INDEX FOR LEPA IRRIGATED CORN
- (Peer Reviewed Journal)
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