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CALMIT

Center for Advanced Land Management Information Technologies

Ayse Kilic

Ayse Irmak

Ayse Kilic
University of Nebraska-Lincoln
School of Natural Resources
311 Hardin Hall
3310 Holdrege Street
Lincoln, Nebraska 68583-0973

Phone:402.472.8024 Fax:402.472.2946
Email: airmak2@unl.edu










Education

  • 2002. Ph.D. Major in Agricultural and Biological Engineering. University of Florida. Gainesville, Florida.
  • 1998. M.E. Agricultural and Biological Engineering. University of Florida. Gainesville, Florida.
  • 1993. B.E. Agricultural Structures and Irrigation Engineering. Cukurova University. Adana, Turkey

Professional Experience

  • 2007 – present, Assistant Professor of School of Natural Resources and Civil Engineering. University of Nebraska-Lincoln.
  • 2004 – 2007, Research Assistant Professor. Biological Systems Engineering. University of Nebraska-Lincoln.
  • 2002 - 2003, Postdoctoral Research Associate. Agricultural and Biological Engineering Department. University of Florida. Gainesville, FL.
  • 1998 - 2002, , Graduate Research & Teaching Assistant. Agricultural and Biological Engineering Department. University of Florida. Gainesville, FL.

Research Interests

  • Water Resources Engineering
  • GIS in Water Resouces
  • Application of Remote Sensing in Agricultural and Natural Resources
  • Computer simulation of crop production, soil water processes, and interactions with crops
  • Developing knowledge-based inverse modeling techniques to parameterize complex simulation models

Selected Recent Refereed Publications (Last 5 Years)

  • Sing, R., A. Irmak, S. Irmak, and D.L. Martin., 2007, "Application of SEBAL for mapping evapotranspiration and estimating surface energy fluxes in south central Nebraska.," Journal of Irrigation and Drainage Engineering, ASCE (accepted).
  • Irmak, A. and S. Irmak, 2007, "Reference and crop evapotranspiration in south central Nebraska: II. Measurement and estimation of actual evapotranspiration," Journal of Irrigation and Drainage Engineering (accepted).
  • 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," Journal of Irrigation and Drainage Engineering (accepted).
  • A. Irmak, 2007, "Operational aspects of remote sensing-based energy balance models for estimating surface energy fluxes in Great Plains," Journal of Irrigation and Drainage Engineering, ASCE (submitted).
  • Irmak, S., E. Istanbulluoglu, and A. Irmak, 2007, "An evaluation of evapotranspiration model complexity versus performance in comparison with Bowen ratio energy balance latent heat measurements," Transactions of the ASABE (submitted).
  • Irmak, S., D. Mutiibwa, A. Irmak, T.J. Arkebauer, A. Weiss, D.L. Martin, and D.E. Eisenhauer, 2007, "On scaling up leaf stomatal resistance to canopy resistance using photosynthetic photon flux density," Agricultural and Forest Meteorology (in print).
  • Irmak, S., A. Irmak, D.L. Martin, J.O. Payero, T.A. Howell, and K.S. Copeland, 2006, "Variability analyses of alfalfa-reference to grass-reference evapotranspiration ratios of commonly used combination equations.," Journal of Irrigation and Drainage Engineering (accepted). Journal of Irrigation and Drainage Engineering (accepted).
  • A. Irmak, 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. Vol. 49(3):811-818
  • 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).
  • A. Irmak, J.W. Jones, W.D. Batchelor, S. Irmak, J.O. Paz and K.J. Boote, 2006, "Subsurface-flow constructed wetlands treatment in the plains: five years of experience." Transactions of the ASABE. Vol. 49(6): 2027−2037.
  • A. Irmak, J.W. Jones and S. S. Jagtap, 2005, "Evaluation of the CROPGRO-Soybean model for Assessing Climate Impacts on Regional Soybean Yields," Transactions of the ASAE. Vol. 48(6):2343-2353.
  • 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., 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., 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.
  • 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.
  • Rymph, S.J., Boote, K.J., Irmak, A., Mislevy, P., Evers, G.W., 2004, "Adapting the CROPGRO model to predict growth and composition of tropical grasses: developing physiological parameters," Proc. Soil Crop Sci. Soc. Florida 63, 37-51.
  • 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., 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.
  • A. Irmak, 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 within-field soybean yield variability," Applied Engineering in Agriculture 18(4) 471-482.
  • A. Irmak, J.W. Jones, W.D. Batchelor and J.O. Paz, 2002, "Linking multi-variables for diagnosing causes of spatial yield variability in soybean," Transactions of the ASAE 45(3): 839-849.
  • A. Irmak, J.W. Jones, W.D. Batchelor and J.O. Paz, 2001, "Estimating spatially variable soil properties for crop model use in precision farming," Transactions of the ASAE 42(6):1867-1877.
  • Irmak, S., A. Irmak, and J.W. Jones, 2002, "Predicting multiple depths of bare soil temperatures: A model evaluation and modifications for sandy soils," Soil and Crop Sci. Soc. of Florida (in print).
  • Mavromatis, T., K.J. Boote, J.W. Jones, A. Irmak, D. Shinde, and G. Hoogenboom, 2001, "Developing genetic coefficients for crop simulation models with data from crop performance trials,"Crop Science. 41: 40-51.
  • A. Irmak, J.W. Jones, W.D. Batchelor and J.O. Paz, 2001, "Estimating spatially variable soil properties for crop model use in precision farming," Transactions of the ASAE 42(6):1867-18.

Conference Proceedings Publications

  • A. Irmak, 2008, "Estimation of land surface energy fluxes: an application of satellite remote sensing procedure," Proc. of the ASCE-EWRI Word Environmental Water Resources Congress. May 12-16, 2007. Honolulu, Hawai.
  • A. Irmak, R. Sing, S. Irmak, and D.L. Martin, 2007, "Satellite remote sensing based estimation of land surface evapotranspiration in Great Plains," 2007 ASABE Annual International Meetings. Minnesota, MI. June 14-17.
  • Singh, R.K., A. Irmak, S. Irmak, and D.L. Martin, 2007, "The satellite-remote sensing based estimation of land surface evapotranspiration in Great Plains," Proc. of the ASCE-EWRI Word Environmental Water Resources Congress. May 15-19, 2007. Tampa, Florida.
  • Irmak, S., D. Mutiibwa, A. Irmak, T.J. Arkebauer, A. Weiss, D.L. Martin, and D.E. Eisenhauer, 2007, "Scaling up of leaf stomatal resistance to canopy resistancer,"ASABE Paper No. 07-2297. 2007 ASABE Annual International Meeting, Minneapolis, Minnesota, 17-20 June 2007.
  • A. Irmak, D.E. Martin,and J.K. Koelliker and D. E. Eisenhauer, 2006, "Modeling the effects of terracing on water supplies in the Medicine Creek, Nebraska," 2006 ASABE Annual International Meetings. Portland, Oregon. Paper #:062291.
  • A. Irmak, D. Martin,and S. Irmak, 2006, "Developing Irrigation Management Decisions Using Crop Growth Model," 2006 ASABE Annual International Meetings. Portland, Oregon.
  • A. Irmak, D.E. Martin,and J.K. Koelliker and D. E. Eisenhauer, 2006, "Modeling the Effects of Terracing on Water Supplies in the Republican River Basin," Water Colloquium, October 27, 2006. Embassy Suites.Lincoln, Nebraska.
  • A. Irmak, D.E. Martin,and S. Irmak, 2006, "In-Season Irrigation Strategies Using Crop Models," Geospatial and Precision Technologies Brown Bag Seminar. Lincoln, Nebraska
  • A. Irmak, J. Payero, S. Melvin, S. Irmak, and D. Martin, 2005, "Use of crop growth model to develop deficit irrigation management strategies in Nebraska," 2005 ASAE Annual International Meetings. Tampa, FL.
  • A. Irmak, J.W. Jones J. Sadler, K. A. Sudduth, 2005, "Determining spatial soil properties by objective parameterization of the CERES-Maize model. A crop-modeling approach and its experimental verification (Abstract)," 2005 International Annual American Society of Agronomy Meetings. Salt Lake City, UT.
  • A. Irmak, J.W.Jones, and S.S. Jagtap, 2003, "Evaluating Methods for using Crop Models to Predict Climate Impacts on Regional Soybean Yields,"2003 ASAE Annual International Meetings. Las Vegas, Nevada.
  • A. Irmak, 2001, "Opportunities and Challenges in the International Research Agenda. Mini Symposium," CIMMYT, Mexico City. Mexico. June 30- July 4. 2001.
  • A. Irmak, J.W. Jones, W.D. Batchelor and J.O. Paz, 2001, "Linking multiple layers of information for diagnosing causes of spatial yield variability in soybean." 2001 ASAE Annual International Meetings. Sacramento, California. Paper No. 01-3117, July 29-1 August 2001.
  • A. Irmak, J.W. Jones, and W.D. Batchelor, 2000, "Linking soil variability to variable water stress in soybeans." 2000 ASAE Annual International Meetings. Milwaukee, WI. Paper No. 00-3037, July 9-12 2000.

Research Grants

Current Graduate Students

  • Current Graduate Students Advised
    Ramesh Singh (Ph.D.-BSE); Baburao Kamble (Ph.D.-Civil Eng); Mostafa Benzaghta (Ph.D.-Civil Eng.); Parikshit K. Ranade (M.E.-BSE); Jamie Lahowetz (M.S.- Meteorology, Geoscience).

  • Master & Ph.D. Committee Member: Luis O. Lagos (Ph.D., BSE) Nathan Healey (M.S., School of Natural Resources); Denis Mutiibwa (M.E., BSE).

Synergistic activities (Ongoing)

  • Member of the American Society of Civil Engineers, Task Committees on Standardization of Reference Evapotranspiration Calculations.

  • Member of American Society of Agricultural and Biological Engineers, Task Committees on Emerging Information Systems.
  • Project Team PI or Co-PI on several research projects: Modeling and field experimentation to determine the impacts of terraces and small reservoirs on water supplies and hydrological balances in the Republican River Basin. Funded by US Bureau of Reclamation. Estimation of Regional Evapotranspiration through Remote Sensing. Funded by Nebraska Department of Natural Resources. Demonstrate and adapt remote sensing technology to produce and utilize consumptive water use maps for the Nebraska Panhandle. Funded by Nebraska North and South Platte Natural Resources Districts.
  • Journal Reviews: Transaction of ASAE, Water Resources Research, Journal of Hydrology.
  • Graduate admission committee. Biological Systems Engineering. University of Nebraska.
  • Participation in the development and testing of the following softwares (1996-present): POTYLDR, CROPGRO-Soybean; CERES-Maize; DSSAT-Century.
  • Co-teaching GIS in Water Resources, graduate level course, with Drs. Maidment, Tarboton and Woldt.
  • Professional membership: American Geophysical Union (AGU), American Society of Civil Engineers, American Society of Agricultural Engineers, American Society of Agronomy.

Teaching Experience

  • Instructor. CIVE 898/BSEN 896. GIS in Water Resources. 2006.

  • Instructor. BSEN 998. GIS application in watershed modeling. Spring 2005. University of Nebraska-Lincoln.
  • Guest Lecturer (4 weeks) for AGEN 853. Irrigation and Drainage Systems. Spring 2005. University of Nebraska-Lincoln.
  • Instructor. BSEN/CIVE 130. Technical Drawing. Spring 2004. University of Nebraska-Lincoln.
  • Teaching Assistant for ABE 5646 - Simulation of Agricultural and Biological Systems under supervision of Prof. James W. Jones.
  • Teaching assistant. Surveying I and Surveying II. 1994 & 1995. Agricultural Structures and Irrigation Engineering Department. Mediterranean University. Antalya, Turkey.

Professional Activities

  • Affiliations:
    • American Geophysical Union (AGU)
    • American Society of Agricultural Engineers (ASABE)
    • American Society of Civil Engineers (ASCE)
    • American Society of Agronomy (ASA)
  • Journal Referee:
    • Transactions of ASAE (ASABE)
    • Applied Engineering in Agriculture (ASABE)
    • Water Resources Research, AGU
    • Journal of Irrigation and Drainage Engineering, ASCE
    • Agronomy Journal (ASA)
  • Committees:
    • Review Panelist for 2007 USDA-NRI. Soil Processes. May 2007.
    • Session Chair/Moderator: ASABE IET-2. Modeling of crop and farm systems.
    • Task Committees on ASCE/EWRI Evapotranspiration in Irrigation and Hydrology Task Committees on ASCE/EWRI Crop Coefficient.
    • Member of IET-254. Emerging Information Systems. ASABE.