Prof. Dr. Kahraman ÜNLÜ


Middle East Technical University
Department of Environmental Engineering, 06531 Ankara, TURKEY

Tel: 90-312-210-5869
Fax: 90-312-210-1260
E-Mail:
kunlu@metu.edu.tr

Education:

Ph. D. University of California Davis, September 1989
M.S. Iowa State University, June 1984
B.S. University of Ankara, June 1977


Membership in Professional Societies:

American Geophysical Union
Association for Environmental Health of Soils


Awards:

NATO graduate scholarship, 1982 - 1985


Positions Held:

Academic Positions Held:


Prof., Environmental Engineering Department, Middle East Technical University, Ankara, Turkey; April 2000 - present.

Assoc.Prof., Environmental Engineering Department, Middle East Technical University, Ankara, Turkey; October 1994 - April 2000.

Asst. Prof., Environmental Engineering Department, Middle East Technical University, Ankara, Turkey; September 1992 - October 1994.

Research Scientist/Faculty Member, Center for Environmental and Hazardous Materials Studies, Virginia Polytechnic Institute and State University, USA; April 1990 - August 1992.

Environmental Consultant, Environmental Systems & Technologies Inc., Blacksburg, Virginia, U.S.A., January 1991 - August 1992.

Postdoctoral Researcher, Department of Land Air and Water Resources, University of California, Davis, USA; October 1989 - March 1990.

Research Assistant, Department of Land Air and Water Resources, University of California, Davis, USA; June 1986 - September 1989.

Research Assistant, Department of Agronomy, Iowa State Univ., Ames, USA; January 1982 - June 1984.

Research Engineer, Soil-Water Research Institute, Ankara, Turkey; September 1979 - December 1980.

Administrative Positions Held:

Asst. Department Chair, Environmental Engineering Department, Middle East Technical University, Ankara, Turkey; December 1994 - September 1997; September 1999 - present


Interest Areas:

Development, numerical implementation and application of mathematical models for flow and contaminant transport in subsurface and waste disposal systems; management of solid and hazardous wastes; environmental risk and impact assessment; design and performance evaluation of remedial action for soil, groundwater and waste disposal systems; laboratory and field investigations of water flow and contaminant fate and transport in the subsurface environment.


Teaching Experience:

Teaching Experience (courses taught):


Modeling Soil and Groundwater Pollution, METU (Graduate)
Solid Waste Landfill Design, METU (Undergraduate)
Environmental Modeling, METU (Undergraduate)
Environmental Impact Assessment, METU (Undergraduate)
Soil & Groundwater Pollution, METU (Undergraduate)
Water Quality Management, METU (Undergraduate)
Soil Physics, UC Davis (Undergraduate)


Teaching Experience (courses developed):

Solid Waste Landfill Design, METU (Undergraduate)
Soil and Groundwater Pollution, METU (Undergraduate)


Educational Seminars and Developed Short Courses:

Stochastic analysis of large scale transient unsaturated flow in soil, University of Minnesota, 8-10 October, 1990 Minneapolis, Minnesota, U. S. A. (Invited Seminar)
Screening models for land-disposed oil exploration and production wastes, University of Nevada Las Vegas,
6-8 February 1991, Las Vegas, Nevada, U.S.A. (Invited Seminar)
Stochastic Methods in Subsurface Hydrology, Virginia Polytechnic Institute (Short Course)
Assessment of Soil & GW Pollution in EIA Studies, METU SEM, (Short Course)
Waste Disposal in Soils, ÇITOSAN, (Short Course)
Solid Waste Disposal, METU SEM, (Short Course)
Environmental Impact Assessment, ARÇELIK-METU SEM (Short Course)
Multi-Purpose Management of Natural resources in the Mediterranean Region, CIHEAM-MAICH and METU (Special Short Course)
Environmental Modeling and Related Applications, JICA and MTA (Short Course)


Publications:

Publications in Refereed International Journals:

Ünlü, K. M. L. Kavvas, and D. R. Nielsen. 1989. Stochastic analysis of field measured unsaturated hydraulic conductivity, Water Resources Research, 25(12):2511-2519.

Ünlü, K., D. R. Nielsen, and J. W. Biggar. 1990. Stochastic analysis of unsaturated flow: Comparison of 1-D Monte-Carlo Simulations with spectral perturbation analysis and field observations, Water Resources Research, 26(9):2207-2218.

Ünlü, K., D. R. Nielsen, J. W. Biggar, and F. Morkoç. 1990. Statistical parameters characterizing the spatial variability of selected soil hydraulic properties, Soil Science Society of America ournal, 54(6):1537-1547.

Ünlü, K., M. W. Kemblowski, J. C. Parker, D. K. Stevens, P. K. Chong, and I. Kamil. 1992. A screening model for effects of land-disposed wastes on groundwater quality, Journal of Contaminant Hydrology, 11: 27-49.

Ünlü, K. 1994. Assessing the probability of groundwater contamination from land disposed wastes, Journal of Environmental Engineering, ASCE 120(6):1578-1597.

Ünlü, K. 1998. Transport of metals leaching from land-disposed oil field wastes, Waste Management and Research, 16(6):541-554..

Ünlü, K., A. Ilbeyi, S. Soyupak, and C. Yurteri. 1999. A geochemical equilibrium modeling approach to assess soil acidification impacts due to depositions of industrial air emissions, Water, Air & Soil Pollution, 113(1/4):395-409.

Ünlü, K., G. Özenirler and C. Yurteri. 1999. Nitrogen fertilizer leaching from cropped and irrigated sandy soil in Central Turkey, European Journal of Soil Science, 50(4): 609-620.

Ünlü, K., and E. Demirekler. 2000. Modeling water quality impacts of petroleum contaminated soils in a reservoir catchment, Water, Air & Soil Pollution, 120(1-2):169-193.

Ünlü, K. and S. Haskök. 2000. Treatability of chromite ore processing waste by leaching, Waste Management & Research, in print.

Ünlü, K. and S. Kivanç. 2000. A model for optimal operation of land-treatment sites for oily wastes, Waste Management & Research, in print.

Demirekler, E., Ünlü, K. and Rowe, K. R. 2000. Modeling leachate production from a municipal solid waste landfill: 1. Hydraulic model, Environmental Scienece & Technology, in review.

Demirekler, E., Ünlü, K. and Rowe, K. R. 2000. Modeling leachate production from a municipal solid waste landfill: 2. Leachate quality model, Environmental Scienece & Technology, in review.


Book Chapters:

Ünlü, K. and S. Aksakal. 1996. A screening model for the assessment of leachate collection efficiency and groundwater pollution potential at landfill sites, in M. M. Aral (ed)."Recent Advances in Groundwater Pollution Control and Remediation", Kluwer Academic Publishers, NATO-ASI Series, 9(2): 479-491.


Publications in International Conference Proceedings:

Ünlü, K. 1993. Modeling subsurface migration of metals leaching from landfills. Proceedings of the International Symposium on Hazardous Waste Management in Economically Developing Countries, ISWA, Istanbul, Turkey, June 24-26.

Parker, J. C., K. Ünlü, and M. W. Kemblowski. 1993. A monte carlo model to assess effects of land disposed E&P waste on groundwater, Proceedings of the Society of Petroleum Engineers Annual Technical Conference, Huston, USA, October 3-6.

Haskök S., and K. Ünlü. 1998. Chromium leaching from chromite ore processing waste material. Proceedings of the Fourteenth International Conference on Solid Waste Technology and Management, Philadelphia, USA, November 1-4.

Ünlü, K., S. Kivanç. 1999. Optimal design and operation of land treatment systems for petroleum hydrocarbons. Proceedings of the Fifth International In situ On-Site Bioremediation Symposium, San Diego, USA, April 19-22.

Demirekler, E., R. K. Rowe, and K. Ünlü. 1999. Modeling leachate production from municipal solid waste landfills. Proceedings of the Seventh International Waste Management and Landfill Symposium, Cagliari, Italya, October 4-8.

Demirekler, E., K. Ünlü, R. K. Rowe and M. Armstrong. 2000. Leachate quality and quantity modelling in municipal solid waste landfills, Proceedings of the Annual Meetings of Canadian Civil Engineering Society, University of Western Ontario, London, Ontario, Canada, June 12-15.


Publications in Refereed National Journals:

Ünlü, K. and J. C. Parker 1995. Estimation of capillary pressure parameter from total petroleum hydrocarbon measurements in contaminated soils, Turkish Journal of Oil and Gas, 1(2):45-51.

Ünlü, K., G. Özenirler and S. Sözüdogru. 1997. Classification of commonly used pesticides in Turkey based on pollution potential, Turkish Journal of Engineering and Environmental Sciences, 21(3):189-202. (3.6 p)

Ünlü, K. 1998. Soil Pollution: Characteristics, control and remediation, Çevre ve Mühendis, TMMOB Environmental Engineering Publication, 16: 20-28.


Publications in National Conference Proceedings:
Demirekler, E. ve K. Ünlü. 1999. Risk degerlendirmesine dayalikati atik sahasi depolama tasarimi. Türkiye'de Çevre Kirlenmesi Öncelikleri Sempozyumu III, Gebze Yüksek Teknoloji Enstitiüsü, Gebze-Kocaeli, 18-19 Kasim.

Güngör, K. and K. Ünlü. 1999. Evsel atiksuyun toprak akiferv aritim sistemi ile aritilmasi. 3. Ulusal Çevre Mühendisligi Kongresi, TMMOB Çevre Mühendisleri Odasi, Izmir, 25-26 Kasim.

Demirekler, E. ve K. Ünlü. 2000. Kati atik depolama sahalarinda sizinti suyu olusumu ve kalitesinin modellenmesi. 1. Ulusal Çevre Kirliligi Kontrolu Sempozyumu, Orta Dogu Teknik Üniversitesi, Ankara, 4-6 Ekim.


Published Reports:

Ünlü, K., and D. R. Nielsen. 1988. Monitoring soil-water properties using geostatistical techniques. In Second-Year Annual Report on Water Penetration Problems in Irrigated Soils, Division of Agriculture and Natural Resources, UC Davis, pp.34-40.

Ünlü, K., J. W. Biggar, and D.R. Nielsen. 1990. Modeling the movement of selenium and salts to groundwater at the West Side Filed Station. In Technical Progress Report, Division of Agriculture and Natural Resources, UC Davis, pp.47-54.

Parker, J. C., and K. Ünlü. 1991. Modeling nonaqueous phase liquids in soils and groundwater, Technical Report No: 643-51-018, Chemical Manufacturers Association, 51 pp.

Parker J. C., A. K. Katyal, J. J. Kaluarachchi, R. J. Lenhard, T. J. Johnson, K. Jayaraman, K. Ünlü, and J. L. Zhu. 1991. Modeling multiphase organic chemical transport in soils and groundwater. U. S. EPA, Robert S. Kerr Environmental Research Lab., EPA/600/S2-91/042, 255 pp.
Yurteri C., K. Ünlü, S. Soyupak, C. Gökçay, G. Tuncel, M. Çaliskan and Y. Gemici. 1993. Environmental baseline study for the Kaymaz gold project. METÜ Environmental Engineering Department, Environmental Research Center, Project No:92-03-11-01-15, 153p.

Yurteri, C., K. Ünlü, G. Tuncel, M. Çaliskan and Y. Gemici. 1994. Environmental impact assessment study for the Marmara power plant. METÜ Environmental Engineering Department, Environmental Research Center.

Yurteri C., K. Ünlü, S. Soyupak, G. Tuncel and Y. Gemici. 1994. Environmental baseline study for the Efemçukuru gold project. METÜ Environmental Engineering Department, Environmental Research Center, 153p.

Ünlü, K., S. Sözüdogru, G. Özenirler, and C. Pìnar. 1995. Development of mathematical models for the evaluation of groundwater pollution potential by pesticide. TÜBITAK, Project No: KTÇAG-124, 101p.

Yurteri C., K. Ünlü, G. Tuncel and Y. Gemici. 1996. Environmental impact assessment study for the Mastra gold project. METÜ Environmental Engineering Department, Environmental Research Center, 153p.

Ünlü, K., G. Özenirler, A. Ilbeyi and H. Üstün. Assessment of groundwater pollution potential due to nitrogen fertilizer leaching in an irrigated agricultural basin. TÜBITAK, Project No: YDAGÇAG-76, 87p.

Okandan E., K. Ünlü and others. 1998. Assessment of Pollution in the Midyat Aquifer and Devegeçidi Dam due to Production Operations at the Beykan Oil Field, Shell Company of Turkey, Petroleum Research Center, ODTÜ.

Ünlü, K., Ü. Yetis, E. Demirekler, B. Tokmak, and A. Arcasoy. 2000. Orhangazi-Gemlik-Iznik Basin Environmental Status Report, Middle East Technical University, Environmental Engineering Department.


Presentations in Scientific Meetings:

Ünlü, K., T. E. Fenton, and R. Horton. 1984. Computer-simulated hydraulic behaviors of two Clorian loam profiles. Soil Science Society of America 1984 Annual Meetings Las Vegas, Nevada, U. S. A.

Ünlü, K., D. R. Nielsen, J. W. Biggar. 1988. Estimation of statistical parameters characterizing the spatial variability of selected soil hydraulic properties. Soil Science Society of America 1988 Annual Meetings Los Angeles, California, U. S. A.

Morkoç, F., D. R. Nielsen, J. W. Biggar, and K. Ünlü. 1988. Two-dimensional variability of bromide in filed soils. Soil Science Society of America 1988 Annual Meetings Los Angeles, California, U.S.A.

Ünlü, K., M. L. Kavvas, and D. R. Nielsen. 1988. Unsaturated hydraulic conductivity as a stochastic process. American Geophysical Union Fall Meetings San Francisco, California, U. S. A.

Ünlü, K., D. R. Nielsen, and J. W. Biggar. 1989. Stochastic analysis of unsaturated flow: One-dimensional Monte Carlo simulations. Soil Science Society of America 1989 Annual Meetings Las Vegas, Nevada, U. S. A.

Ünlü, K., P. K. Chong, and J. C. Parker. 1990. Analysis of uncertainty of groundwater contamination from oil and gas exploration and production waste pits. American Geophysical Union Fall 1990 Meetings San Francisco, California, U.S. A.

Ünlü, K. 1995. A geochemical modeling approach to assess soil acidification impacts due to depositions of industrial air emissions. European Science Foundation, Natural Waters and Water Technology Meeting, Lenggries, Germany.

Ünlü, K. 1997. Risk based remedial investigations for pollychlorinated biphenyl (PCB) contaminated soil sites. The Fourth International In Situ and On-Site Bioremediation Symposium, April 28-May 1, 1997, New Orleans, Louisiana, USA.

Ünlü, K. 1998. Case studies of contaminated soil and groundwater remediation in Turkey. NATO/CCMS Pilot Study Meeting on Evaluation of Emerging and Demonstrated Technologies for the Treatment of Contaminated Land and Groundwater-Phase III. February 22-28, Vienna, Austria.

Ünlü, K. and S. Haskök. 1998. Chromium leaching from chromium ore-processing waste material. The Fourteenth International Conference on Solid Waste Management and Technology, November 1-4, Philadelphia, Pennsylvania, USA.

Ünlü, K. 1999. Solidification/stabilization of hazardous wastes. Interim Report. NATO/CCMS Pilot Study Meeting on Evaluation of Emerging and Demonstrated Technologies for the Treatment of Contaminated Land and Groundwater-Phase III. May 9-14, Angers, France.

Ünlü, K., S. Kivanç. 1999. Optimal design and operation of land treatment systems for petroleum hydrocarbons. The Fifth International In situ On-Site Bioremediation Symposium, April 19-22, San Diego, CA, USA.

Demirekler, E., R. K. Rowe, amd K. Ünlü. 1999. Modeling leachate production from municipal solid waste landfills. The Seventh International Waste Management and Landfill Symposium, October 4-8, Cagliari, Italy.

Demirekler, E., K. Ünlü, R. K. Rowe and M. Armstrong. 2000. Leachate quality and quantity modelling in municipal solid waste landfills, Proceedings of the Annual Meetings of Canadian Civil Engineering Society, University of Western Ontario, London, Ontario, Canada, June 12-15.


Directed Thesis Studies:

"A stochastic analysis of the influence of soil and climatic variability on the estimate of leachate collection efficiency and groundwater pollution potential at landfill sites", S. Aksakal (M.S.), May 1993 - January 1996, METU.

"Assessment of groundwater pollution potential due to nitrogen fertilizer leaching in an irrigated agricultural basin", G. Özenirler (M.S.), November 1994 - January 1997, METU.

"A model for optimal design and operation of land treatment systems for oily wastes", S. Kivanc (M.S.), November 1996 - September 1998, METU.

"Assessing chromium migration behavior and leaching rates through waste materials and soils", S. Haskok (M.S.), October 1996 - November 1998, METU.

"Calculation of critical acid loads for Turkey", B. Erdogan (M.S.), Co-advisor, January 1998 -July 1999, METU.

"Development of modeling approaches for landfill leachate management", E. Demirekler (Ph.D.), October 1996 - continuing, METU.

"Solidification stabilization of hazardous wastes", O. Yilmaz (M.S.), January 1999 - December 2000, METU.

"Optimal operation of soil aquifer treatment (SAT) systems for domestic wastewater", K. Güngör (M.S), January 1999 - continuing, METU.

"A classification scheme for selecting landfill design components based on waste type, landfill size and site characteristics", A. D. Kamanli (M.S.), May 1998 - continuing, METU.


Research Projects:

Directed Research Projects:


Project director on "Orhangazi-Gemlik-Iznik Basin Environmental Status Report, JICA, December 1999-February 2000, $8430.

Project director on "Assessment of the effectiveness of solidification stabilization technology for the disposal of hazardous wastes", State Planning Organization, May 1998 - continuing, $36000.

Project director on "Providing environmental engineering consulting services for soil remedial investigations at Incirlik Air Base, Adana, TURKEY", USAFE & LAW Engineering and Environmental Services, March 1996 - March 1997, $16000.

Project director on "Soil pollution and solid wastes", ÇITOSAN and The Scientific and Technical Research Council of Turkey, September 1995, $3500.

Project director on "Assessment of surface- and ground-water pollution potential due to nitrogen fertilizer leaching in an irrigated agricultural basin", The Scientific and Technical Research Council of Turkey, November 1994 - November 1996, $10000.

Project director on "Development of mathematical models for the evaluation of groundwater pollution potential by pesticides, The Scientific and Technical Research Council of Turkey, September 1993 - August 1994, $10000.

Co-director on "Screening models for land disposal of oil exploration and production wastes", American Petroleum Institute, Land and Groundwater Task Force, May 1990 - December 1991, $95000.

Co-director on "Modeling nonaqueous phase liquids in soil and groundwater: review of current approaches", American Chemical Manufacturers Association, January 1991 - May 1991, $10000.

Co-investigator on "Model development, site assessment and remedial design for groundwater contamination at the Manassas West Industrial Park", Virginia Dept. of Waste Manag., January 1990 - October 1990, $54000.


Consulting/Contributed Projects:

Consultant on "Revision project of industrial waste cell of Izmit Greater Municipality's Landfill to hazardous waste cell", IZAYDAS, April 1999.

Researcher on "Assessment of pollution in the Midyat Aquifer and Devegeçidi Dam due to production operations at the Beykan oil field", Shell Company of Turkey, August 1996 - February 1998.

Consultant on "Environmental Impact Assessment study for Mastra gold mining project", EUROGOLD, June 1995 - June 1996.

Consultant on "Environmental baseline study for Efençukuru gold mining project", TÜPRAG, June 1994 - November 1994.

Consultant on "Environmental Impact Assessment study for Marmara power plant", PARMAS November 1993 - June 1994.

Researcher on "Environmental baseline study for Kaymaz gold mining project", TUPRAG, November 1992 - May 1993.

Researcher on "Modeling multiphase organic chemical transport in soil and groundwater" U.S. EPA R. S. Kerr Environmental Research Laboratory, January 1991 - December 1991.

Researcher on "Movement and modeling of selenium, boron and salt to groundwater at the West Side Field Station", Kearney Foundation of Soil Science, UC Davis, July 1989 - June 1990.

Researcher on "Monitoring soil water properties utilizing geostatistical techniques", Kearney Foundation of Soil Science, UC Davis, June 1986 -June 1989.


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