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Suat Irmak |
| Associate
Professor of Biological Systems Engineering Soil and Water Resources Engineering |
|
Office:
241 L. W. Chase Hall email: sirmak2@unl.edu |
PUBLICATIONS |
Journal
Articles |
REFEREED JOURNAL ARTICLES |
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| 2007 | Irmak, S., A. Irmak, T.A. Howell, D.L. Martin, J.O. Payero, and K.S. Copeland. 2007. Variability of alfalfa-reference to grass-reference evapotranspiration ratios in growing and dormant seasons. J. Irrig. and Drain. Eng., ASCE (in press). |
| Singh, R.K., A. Irmak, S. Irmak, and D.L. Martin. 2007. Application of SEBAL for mapping evapotranspiration and estimating surface energy fluxes in south central Nebraska. J. Irrig. and Drain. Eng., ASCE (in review). | |
| Irmak, A., S. Irmak, and D.L. Martin. 2007. Reference and crop evapotranspiration in south central Nebraska: I. Comparison and analysis of grass and alfalfa-reference evapotranspiration methods. J. Irrig. and Drain. Eng., ASCE (in review). | |
| Irmak, S., and A. Irmak. 2007. Reference and crop evapotranspiration in south central Nebraska: II. Measurement and estimation of corn actual evapotranspiration. J. Irrig. and Drain. Eng., ASCE (in review). | |
| Payero, J.O., and S. Irmak. 2006. Design, construction, installation, and performance of two large repacked weighing lysimeters for measuring crop evapotranspiration. Irrigation Science (in review). | |
| 2006 | Irmak, A., J.W. Jones, W.D. Batchelor, S. Irmak, J.O. Paz, K.J. Boote. 2006. Artificial neural network model as a data analysis tool in precision farming. Transactions of the ASABE 49(6):2027-2037. UNL-ARD Journal Series No. 14616. |
| Payero, J.O., D.D. Tarkalson, and S. Irmak. 2006. Use of Time-Domain Reflectometry (TDR) for continuous monitoring of nitrate in soil and water. Applied Engineering in Agriculture, ASABE 22(5):685-700. UNL-ARD Journal Series No. 15118. | |
| Irmak, A., J.W. Jones, W.D. Batchelor, S. Irmak, J.O. Paz, and K.J. Boote. 2006. Analysis of spatial yield variability using a combined crop model-empirical approach. Transactions of the ASABE 49(3):811-818. UNL-ARD Journal Series No. 14768. | |
| Irmak, S., A. Irmak, J.O. Payero, D.L., Martin, and T.A. Howell. 2006. Sensitivity analyses and sensitivity coefficients of the standardized ASCE-Penman-Monteith equation to climate variables. J Irrig. and Drain. Eng., ASCE 132(6):564-578. UNL-ARD Journal Series No. 14926. | |
| Jia, Xinhua, M.D. Dukes, J.M. Jacobs, and S. Irmak. 2006. Large scale weighing lysimeters for evapotranspiration research in a humid environment. Transactions of the ASABE 49(2):401-412. UNL-ARD Journal Series No. 15156. | |
| Payero, J. O., and S. Irmak. 2006. Variable upper and lower crop water stress index (CWSI) baselines for corn and soybean. Irrigation Science. 25:21-32. UNL-ARD Journal Series No. 15029. | |
| Payero, J.O., S.R. Melvin, S. Irmak, and D. Tarkalson. 2006. Yield response of corn to deficit irrigation in a semi-arid environment. Agricultural Water Management. 84:101-112. UNL-ARD Journal Series No. 14687. | |
| 2005 | Payero, J.O., S.R. Melvin, and S. Irmak. 2005. Response of soybean to deficit irrigation in a semi-arid region. Transactions of the ASAE. 48(6):2189-2203. UNL-ARD Journal Series No. 14637. |
| Irmak, S. and A. Irmak. 2005. Performance of Frequency-Domain, Capacitance, and Psuedo-Transit Time-Based Soil Water Content Probes in Four Coarse-Textured Soils. Applied Engineering in Agriculture, ASAE. 21(6):999-1008. UNL-ARD Journal Series No. 14993. | |
| Irmak, S., and R.G. Allen. 2005. Closure on predicting daily net radiation using minimum climatological data. J. Irrig. and Drain. Eng., ASCE 131(4):389-390. | |
| Irmak, S., T.A. Howell, R.G. Allen, J.O. Payero, and D.L. Martin. 2005. Standardized ASCE-Penman-Monteith: Impact of sum-of-hourly vs. 24-hr-timestep computations at reference weather station sites. Transactions of the ASAE 48(3):1063-1077. UNL-ARD Journal Series No. 14850. | |
| Irmak, S., D.Z. Haman, A. Irmak, J.W. Jones, B. Tonkinson, D. Burch, T.H. Yeager, and C. Larsen. 2005. Root-zone temperatures of V. odoratissimum grown in the MPBS and Conventional Systems: Measurement and analyses of temperature profiles and predicting root-zone temperatures. J. Amer. Soc. Hort. Sci. 40(3):808-818. UNL-ARD Journal Series No. 14851. | |
| Irmak, S. 2005. Crop evapotranspiration and crop coefficients of Viburnum Odoratissimum (Ker-gawl). Applied Engineering in Agriculture, ASAE 21(3):1-11. UNL-ARD Journal Series No. 14596. | |
| Irmak, S., M.D. Dukes, and J.M. Jacobs. 2005. Using modified Bellani plate evaporation gauges to estimate short canopy reference evapotranspiration. J. Irrig. and Drain. Eng., ASCE 131(2):164-175. UNL-ARD Journal Series No. 14609. | |
| 2004 | Irmak, S., A. Irmak, and J.W. Jones. 2004. Predicting multiple layers of bare soil temperatures: A model evaluation and modifications for sandy soils. Soil and Crop Sci. Soc. of Florida, 62:20-29. |
| Satti,
S.R., J.M. Jacobs, and S. Irmak. 2004. Agricultural water management in
a humid region: sensitivity to climate, soil and crop parameters. Agric. Water Management 70:51-65. |
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| Irmak, S., D. Z. Haman, A. Irmak, J. W. Jones, K.L. Campbell, and T. L. Crisman. 2004. Measurement and analyses of growth and stress parameters of Viburnum Odoratissimum (Ker-gawl) grown in MPBS. J. Amer. Soc. Hort Sci. 39(6):1445-1455. | |
| 2003 | Irmak, S. D. Z. Haman, A. Irmak, J. W. Jones, T. H. Yeager, and K. L. Campbell. 2003. New irrigation-plant production system for water conservation in ornamental nurseries: Quantification and evaluation of irrigation, runoff, plant biomass, and irrigation efficiencies. Applied Engineering in Agriculture, ASAE 19(6):651-655. |
| Irmak, S., R.G. Allen, and E.B. Whitty. 2003. Daily grass and alfalfa-reference evapotranspiration estimates and alfalfa-to-grass evapotranspiration ratios in Florida. Journal of Irrigation and Drainage Engineering, ASCE 129(5):360-370. | |
| Irmak, S., A. Irmak, J.W. Jones. T.A. Howell, J.M. Jacobs, R.G. Allen, and G. Hoogenbom. 2003. Predicting daily net radiation using minimum climatological data. Journal of Irrigation and Drainage Engineering, ASCE 129(4):256-269. | |
| Irmak, S., A. Irmak, R.G. Allen, and J.W. Jones. 2003. Solar and net radiation-based equations to estimate reference evapotranspiration in humid climates. Journal of Irrigation and Drainage Engineering, ASCE 129(5):336-347. | |
| 2002 | Irmak, S., D.Z. Haman, and J.W. Jones. 2002. Evaluation of Class "A" pan coefficients for estimating reference evapotranspiration in a humid location. Journal of Irrigation and Drainage Engineering, ASCE 128(3):153-159. |
| Irmak, A., W.D. Batchelor, J.W. Jones, S. Irmak, J.O. Paz, H. Beck, and M. Engel. 2002. Relationship between plant available soil water and yield for explaining soybean yield variability. Applied Engineering in Agriculture, ASAE, 18(4):471-482. | |
| Irmak, S., and D.Z. Haman. 2003. Comparison of five methods for estimating Class "A" pan evaporation. HortTechnology 13(3):500-508. | |
| 2001 | Irmak, S., D.Z. Haman, and T.H. Yeager. 2001. Seasonal irrigation water use efficiency of MPBS. Journal of Environmental Horticulture 19(1):4-10. |
| Irmak, S., and D.Z. Haman. 2001. Performance of the Watermark Granular Matrix Sensor in sandy soils. Applied Engineering in Agriculture, ASAE 17(6):787-795. | |
| Irmak, S., D.Z. Haman, and A. Irmak. 2001. Dew point hygrometers for irrigation scheduling in fine-textured soils. Applied Engineering in Agriculture, ASAE 17(1):17-25. | |
| 2000 | Irmak, S., D.Z. Haman, and R. Bastug. 2000. Determination of crop water stress index for irrigation timing and yield estimation of corn. Agronomy Journal 92(6):1221-1227. |
| 1995 | Bastug, R. and S. Irmak. 1995. Measuring leaf water potential using thermocouple hygrometers and psychrometers. Mediterranean University, Journal of Agriculture (8):383-394. Antalya, Turkey. |
| Hakgoren, F., A. Irmak, and S. Irmak. 1995. Cooling of greenhouses. Mediterranean University, Journal of Agriculture (8):238-252. Antalya, Turkey. | |
TECHNICAL PUBLICATIONS IN PROFESSIONAL SOCIETY PROCEEDINGS |
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| 2006 | Payero, J.O., D. Tarkalson, and S. Irmak. 2006. Yield Response of Corn to Timing of a Limited Seasonal Irrigation Depth (150 mm) with Subsurface Drip Irrigation. Proceedings of the ASCE-EWRI World Environmental and Water Resources Congress. May 21-25, 2006. Qwest Center, Omaha, Nebraska. |
| Payero, J.O., D. Tarkalson, and S. Irmak. 2006. Corn Yield Response to Different Irrigation Depths with Subsurface Drip Irrigation. Proceedings of the ASCE-EWRI World Environmental and Water Resources Congress. May 21-25, 2006. Qwest Center, Omaha, Nebraska. | |
| 2004 | Dukes, M.D., S. Irmak, and J.M. Jacobs. 2004. An Automatic System for Recording Evaporation from ET Gages. ASAE Annual International Meeting, Fairmont Chateau Laurier, The Westin, Government Centre Ottawa, Ontario, Canada, 1-4 August 2004, ASAE Paper No. 042191. St. Joseph, MI. |
| 2001 | Irmak, S., and D.Z. Haman. 2001. Simplified forms of the FAO56-Penman-Monteith equation for humid climates. ASAE Paper No. 01-2096. Amer. Soc. Agric. Engr., St. Joseph, MI. |
| 2000 | Irmak, S., and D.Z. Haman. 2000. Performance of the Watermark Granular Matrix Sensor in sandy soils. ASAE Paper No. 00-2037. Amer. Soc. Agric. Engr., St. Joseph, MI. |
| 1999 | Irmak, S., D.Z. Haman, A.G. Smajstrla, and R. Bastug. 1999. Measurement of soil water potential using soil hygrometer for irrigation timing of corn. ASAE Paper No. 99-2236. St. Joseph, MI. |
| Irmak, S., D.Z. Haman, and A.G. Smajstrla. 1999. Continuous water content measurements with Time?Domain Reflectometry for sandy soils. Soil and Crop Sci. Soc. Fla. Proc. 58:77-81. | |
| Haman, D.Z., T.H. Yeager, and S. Irmak. 1999. Multi?Pot Box System for increased efficiency of irrigation in ornamental plant production. The Irrigation Assoc. Conference, p. 223-228. Orlando, FL | |
| Irmak, A., J.W. Jones, C.D. Stanley, J.W. Hansen, S. Irmak, and K.J. Boote. 1999. Some effects of an antitranspirant (Vapor Gard) on tomato growth and yield. Soil and Crop Sci. Soc. Fla. Proc. 58:118-122. | |
| 1998 | Haman, D.Z., S. Irmak, T.H. Yeager, R.C. Beeson, Jr., and G.W. Knox. 1998. Multipot Box and Funneled Containers in Container Nursery Production. Proc. Fla. State Hort. Soc. 111:39-41. |
| Irmak, A., J.W. Jones, J.W. Hansen, S. Irmak, and C.D. Stanley. 1998. The effects of antitranspirant on tomato growth and yield. Annual International Agronomy Meetings, Baltimore, 18-22 Oct. (abstract). | |
| Haman, D.Z., T.H. Yeager, S. Irmak, and C. Larsen. 1998. Container plant production in MPBS. SNA Research Conference, Atlanta, Georgia. Vol. 43, p.113-116. | |
EXTENSION and EDUCATIONAL PUBLICATIONS |
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| 2007 | Kranz, W.L., S. Irmak, D. L. Martin, and C.D. Yonts. 2007. Flow control devices for center pivot irrigation systems. University of Nebraska-Lincoln Extension NebGuide G888. |
| Kranz, W.L., S. Irmak, D.L. Martin, and C.D. Yonts. 2007. Converting center pivot sprinkler packages. University of Nebraska-Lincoln Extension NebGuide G1124. | |
| 2006 | Payero, J.O., C. D. Yonts, S. Irmak, and D. Tarkalson. 2006. Subsurface drip irrigation: advantages and disadvantages. University of Nebraska Extension Circular EC776. |
| Irmak, S., J.O. Payero, D.E. Eisenhauer, W.L. Kranz, D.L. Martin, G.L. Zoubek, J.M. Rees, A.P. Christiansen, and D. Leininger. 2006. Watermark Granular Matrix Sensor for measuring soil matric potential for irrigation management. University of Nebraska-Lincoln Extension Circular EC783. | |
| 2005 | Irmak, S., J.O. Payero, and D.L. Martin. 2005. Modified Atmometers (ETgage) for irrigation management. University of Nebraska Extension NebGuide, G05-1579. (Adobe Acrobat Reader required.) |
| 2003 | Irmak, S., and D.Z. Haman. 2003. Evapotranspiration: reference or potential?. Institute of Food and Agricultural Sciences, IFAS, University of Florida. Extension Publication No: ABE343 (AE256). |
| 2002 | Haman, D.Z., Irmak, S., and T.H. Yeager. 2002. A new production system for container plants may decrease the time it takes to grow a plant, as well as use less water. American Nurseryman. October 1, 2002. pp. 54-56. |


