Prof. Dr. Ayşegül Aksoy
Interest Areas Environmental systems engineering Integrated waste management Water quality modeling and management Environmental remote sensing
Curriculum Vitae
E-mail: aaksoy {at} metu.edu.tr
Links: enve.metu.edu.tr
Phone: +90-312-210-5874  Fax: +90-312-210-2646

Education

• Ph.D., Civil Engineering, University of Virginia, August 2000
• M.S., Environmental Engineering, Middle East Technical University, July 1994
• B.S., Environmental Engineering, Middle East Technical University, July 1991

Research Areas

• Environmental systems engineering
• Integrated waste management
• Water quality modeling and management
• Environmental remote sensing

Awards

• AQUA 360 Best Paper Award, 2021
• TUBİTAK BİDEB 2219 Post-Doctoral Fellowship, 2015-2016
• GIWEH Outstanding Contribution Award for the Best Scientific Research Paper, Third International Conference on Water Resources and Environmental Management (ICWRE 2014), 2014
• Prof. Dr. Mustafa N. Parlar Education and Research Foundation M.S. Thesis Award in Engineering, 1995
• NATO - TUBİTAK Doctoral Fellowship, 1995-2000

Positions Held

Academic Positions Held

• 2002 -            Faculty, Department of Environmental Engineering, Middle East Technical University
• 2015 – 2016   Visiting Scholar, NSF ERC ReNUWIt, Stanford University, USA
• 2001 - 2001   Post Doctoral Research Associate, Civil and Environmental Engineering Department, University of California at Davis, USA
• 1999 - 2000   Teaching Assistant, Department of Civil Engineering, University of Virginia, USA
• 1996 - 1999   Research Assistant, Department of Civil Engineering, University of Virginia, USA
• 1992 - 1995   Teaching and Research Assistant, Department of Environmental Engineering, Middle East Technical University

Other Positions Held

• 2014 -            Member, METU Center for Image Analysis, Middle East Technical University
• 2012 - 2015   Vice Chair, Department of Environmental Engineering, Middle East Technical University
• 2011 - 2012   Chair, Graduate Program of Geodetic and Geographic Information Technologies 
• 2006 - 2009   Vice Chair, Department of Environmental Engineering, Middle East Technical University
• 2004 - 2012   Representative of the Graduate School of Natural and Applied Sciences in the South Anatolian Project Research Center at METU.
• 2003 - 2012   Steering Committee Member, Department of Geodetic and Geographic Information Technologies at the Middle East Technical University.
• 2002 - 2005   Course Developer, United Nations Train-Sea-Coast Black Sea Unit.
• 1996 - 1997   President, Vice-President of the Turkish Student Association, University of Virginia

Teaching Experience

Undergraduate

• ENVE 101 Introduction to Environmental Engineering
• ENVE 312 Water supply and urban drainage
• ENVE 322 Transport phenomena for Environmental Engineers
• ENVE 412 Solid waste management

Graduate

• ENVE 539 Environmental systems engineering
• ENVE 504 Pollution transport in river systems
• ENVE 540 Heuristic optimization and modeling of environmental systems

Short Courses

• Training on implementation of the regulation on soil pollution control and management of contaminated sites, Training course for the staff of Ministry of Environment and Forestry, 20 June-1 July 2011, Ankara, Turkey (other contributors: Prof. Dr. Kahraman Ünlü, Prof. Dr. Ülkü Yetiş, Prof. Dr. Filiz Dilek, Asst. Prof. Dr. Elçin Kentel, Dr. Meltem İpek, Beril Büyüker and Şener Polat).
• Improvement of urban wastewater management in coastal cities, Train-Sea-Coast Black Sea Unit and United Nations Environmental Program/GPA, 12-16 September 2005, Trabzon, Turkey (other contributors: Prof. Dr. Ülkü Yetiş and Dr. Merih Kerestecioğlu)
• Operation and management of wastewater treatment plants and advanced treatment and reuse of wastewater, United Nations Environmental Program/Mediterranean Action Plan and World Health Organization, 30 June-2 July 2009, Ankara (other contributors: Prof. Dr. Göksel Demirer, Prof. Dr. Dilek Sanin, Assoc. Prof. Dr. İpek İmamoğlu, Asst. Prof. Dr. Emre Alp, and Asst. Prof. Dr. Tuba H. Ergüder)

Publications in International Journals

• Yenilmez, F., Düzgün, Ş., Aksoy, A., Evaluation of 3-D spatial distribution of dissolved oxygen concentrations in a eutrophic lake, Environmental Science and Pollution Research, in press, 2023. 
• Okan, B., Erguder, T.H., Aksoy, A., Plant-wide modeling of a metropolitan wastewater treatment plant to reduce energy consumption and carbon footprint, Environmental Science and Pollution Research, 30: 16068-16080, 2023. 
• Ergene, D., Aksoy, A., Sanin, F.D., Comprehensive analysis and modeling of landfill leachate, Waste Management, 145: 48-59, 2022.
• Donmezoglu, C., Aksoy, A., Qualitative and quantitative assessment of waste generation in a refrigerator-manufacturing plant based on a waste tree and mass balance, Environmental Science and Pollution Research, 29:6977-6989, 2022.
• Çelebi, E.B., Aksoy, A., Sanin, F.D., Maximizing the energy potential of urban sludge treatment: An experimental study and a scenario-based energy analysis focusing on anaerobic digestion with ultrasound pretreatment and sludge combustion, Energy, 221: 119876, 2021.
• Karakaş, F., Aksoy, A.,  Imamoglu, I., Development of a fate and transport model for biodegradation of PBDE congeners in sediments, Environmental Pollution, 266: 115116, 2020.
• Çelebi, E.B., Aksoy, A., Sanin, F.D., Effects of anaerobic digestion enhanced by ultrasound pretreatment on the fuel properties of municipal sludge, Environmental Science and Pollution Research, 27(14): 17350-17358, 2020.
• Düzgün, H.Ş., Uşkay, S.O., Aksoy, A., Parallel hybrid genetic algoritm and GIS-based optimization for municipal solid waste collection routing, Journal of Computing in Civil Engineering, 30(3): 04015037, 2016.
• Kurt, M., Aksoy, A., Sanin, F.D., Evaluation of solar sludge drying alternatives by costs and area requirements, Water Research, 82:47-57, 2015.
• Polat, S., Aksoy, A., Unlu, K., A fuzzy rule based remedial priority ranking system for contaminated sites, Groundwater, 53(2): 317-327, 2015.
• Görgüner, M., Sanin, D.F., Aksoy, A., A transport cost-based optimization for recyling of municipal sludge through application on arable lands, Resources, Conservation, and Recycling, 94(1): 146-156, 2015.
• Yenilmez, F., Düzgün, Ş., Aksoy, A., An evaluation of potential sampling locations in a reservoir with emphasis on conserved spatial correlation structure, Environmental Monitoring and Assessment, 187(1): paper 4216, 2015.
• Yuzugullu, O., and Aksoy, A., Generation of the bathymetry of a eutrophic shallow lake using WorldView-2 imagery, Journal of Hydroinformatics, 16(1): 50-59, 2014.
• Golge, M., Yenilmez, F., Aksoy, A., Development of pollution indices for the middle section of the Lower Seyhan Basin (Turkey), Ecological Indicators, 29(2013): 6-17, 2013.
• Yenilmez, F., Aksoy, A.,  Comparison of phosphorus reduction alternatives in control of nutrient concentrations in Lake Uluabat (Bursa, Turkey): Partial versus full sediment dredging, Hydrobiologica, 43(1): 1-9, 2013.
• Keser, S., Duzgun, H.S., Aksoy, A., Application of spatial and non-spatial data analysis in determination of the factors that impact municipal solid waste generation rates in Turkey, Waste Management, 2011,32(3): 359-371, 2012.
• Gungor-Demirci, G., and Aksoy, A., Change in optimal pump-and-treat remediation design and costs for different correlation lengths of spatially variable hydraulic conductivity field, Quarterly Journal of Engineering Geology and Hydrogeology, 44(4), 469-480, 2011.
• Yenilmez, F., Kuter, N., Emil, M.K., Aksoy, A., Application of GIS in determination of pollution level at an abandoned coal mine site in Turkey, International Journal of Coal Geology, 86(1): 12-19, 2011.
• Kentel, E., Aksoy, A., Büyüker, B., Dilek, F., Girgin, S., Ipek, M.H., Polat, S., Yetis, U., Unlu, K., Challenges in development and implementation of health risk-based soil quality guidelines: Turkey's experience, Risk Analysis, 31(4): 657-667, 2011.
• Güngör-Demirci, G., Aksoy, A., Variation in time-to-compliance for pump-and-treat remediation of mass transfer-limited aquifers with hydraulic conductivity heterogeneity, Environmental Earth Sciences, 63(6): 1277-1288, 2011.
• Yenilmez, F., Keskin, F., Aksoy, A., Water quality trend analysis in Lake Eymir, Ankara, Journal of Physics and Chemistry of the Earth, 36(5-6): 135-140, 2011.
• Gungor-Demirci, G., Aksoy, A., Evaluation of the genetic algorithm parameters on the optimization performance: a case study on pump-and-treat remediation design, TOP, 18(2): 303-320, 2010.
• Moral, H., Aksoy, A., Gokcay, C.F., Modeling of the activated sludge process by using artificial neural networks with automated architecture screening, Computers & Chemical Engineering, 32(10): 2471-2478, 2008.
• Bulut, E., Aksoy A., Impact of fertilizer usage on phosphorus loads to Lake Uluabat, Desalination, 226(1-3): 289-297, 2008.
• Goktas, R.K., Aksoy, A., Calibration and verification of QUAL2E using genetic algorithm optimization", Journal of Water Resources Planning and Management – ASCE, 133(2): 126-136, 2007.
• Aksoy, A., Culver, T.B., Comparison of continuous and pulsed pump-and-treat for mass transfer-limited aquifers, Turkish Journal of Engineering and Environmental Sciences, 28(5): 307-316, 2004.
• Aksoy, A., Culver, T.B., Impacts of physical and chemical heterogeneities on aquifer remediation design, Journal of Water Resources Planning and Management - ASCE, 130(4): 311-320, 2004.
• Aksoy, A., Culver, T.B., Effects of sorption assumptions on the aquifer remediation designs, Ground Water 38(2): 200-208, 2000.

Book Chapters

• Chan Hilton, A. B., A. Aksoy, and T. B. Culver. Dynamic optimal design of groundwater remediation using genetic algorithms. Physical and Chemical Remediation of Contaminated Aquifers, J. A. Smith, and S. Burns, eds., Kluwer Academic/Plenum Publishers, pp.1-21, 2001.
• Atimtay, A. T., and A. Aksoy, Cleaner Energy Production Technologies for Fossil Fuels, Cleaner Technologies and Cleaner Products for Sustainable Development, H. M. Freeman, Z. Puskas, and R. Olbina, eds. NATO ASI Series, Vol.2, Springer-Verlag: Berlin, pp.279-289, 1995.

Publications in National Journals (in Turkish)

• Kurt, M., Aksoy, A., Sanin, F.D., Cost-based evaluation of combined use of greenhouse dryer and solar panels for sludge drying, Çevre Bilim ve Teknoloji, 1(2): 106-124, 2016.
• Güngör-Demirci, G. Aksoy, A., Impact of fraction of time dependent sorption sites on optimal pump-and-treat design, Çevre Bilim ve Teknoloji, , 4(1): 1-12, 2012.
• Göktaş, R.K. Aksoy, A., Model calibration using genetic algorithms: Lower Seyhan River Case,  3(3): 169-186, 2011.
• Yenilmez, F., Keskin, F., Aksoy, A., Impact of meteorological conditions on the water quality of Mogan Lake, BİBAD – Biological Sciences Research Journal, 3(2): 33-38, 2010.

Invited Presentation and Papers

• Aksoy, A., Water Management in Turkey, Chance Project- Change Management, EU Water Acquis Training the Trainer Programme in the Candidate Countries, 24-25 November, Seville, 2008.

• Aksoy, A., Culver, T.B., Impact of physical and chemical heterogeneities on optimal remediation design and costs, World Water and Environmental Resources Congress, EWRI, May 20-24, Orlando, 2001.

Conference Proceedings

International Conferences

• Ünalan, U.B., Yüzügüllü, O., Aksoy, A., Near real-time depth change monitoring on inland water bodies using Sentinel-1 and Dynamic World data, EGU General Assembly, 23-28 April, Vienna, EGU23-649, 2023.
• Ergene, D., Aksoy, A., Sanin, F.D., Investigation of the impact of landfill age and climate factors on landfill leachate characteristics, Proceedings of the 6th Eurasia Waste Management Symposium, 24-26 October, İstanbul, pp. 354-361, 2022. 
• Yücel Bilen, Çelebi, E.B., Üanalan, U.B., Şanlı, E.B., Şimşir, S., Sömek, S.K.,  Kallem, A., Ahmadian, R., Demir, Ş., Aksoy, Real-time monitoring of temperature stratification to respond to eutrophication, Proceedings of the IWA 4th Regional Conference on Diffuse Pollution & Eutrophication, İstanbul, 24-28 October, pp. 314-319, 2022. 
• Şimşir, S., Sömek, S.K., Şanlı, E.B., Kallem, A., Yücel Bilen, Ö., Çelebi, E.B., Üanalan, U.B., Ahmadian, R., Demir, Ş., Aksoy, A., An autonomous system for minimization of turnover effects in eutrophic lakes, AQUA 360, 31 August-2 September, Exeter, 2021.  
• Calbay E., Aksoy, A., Sanin, F.D., Evaluation of power production from different scenarios regarding combustion of sewage sludge: A waste and an alternative energy source, ICPRE 2018, 21-24 September, Berlin, (abstract in CD), 2018.
• Çelebi, E.B., Calbay, E., Kurt, M., Aksoy, A., Sanin, F.D., Cost-based comparison of sludge drying alternatives for biological municipal wastewater treatment plants in Turkey, SMICE 2018, 23-25 May, Rome, (abstract in CD) 2018.
• Karayilan, S., Dursun Balcı, D., Aksoy, A., Evaluation of methane gas generation potential at a landfill site in Turkey, GWMS 2018, Global Waste Management Symposium, 11-14 February, Indian Wells, USA, (abstract in CD), 2018.
• Aksoy, A., Lee, J., Kitanidis, P.K., Determination of the spatial distribution in hydraulic conductivity using genetic algorithm optimization, AGU Fall Meeting 2016, 12-16 December, San Francisco, (abstract on internet), 2016.
• Aksoy, A., Polat, Ş., Ünlü, K., Ranking of the remedial priority of contaminated sites using a fuzzy rule based system, NGWA Groundwater Summit 2016, 24-27 April, Denver, (abstract on internet), 2016.
• Çelebi, E.B., Aksoy, A., Sanin, F.D., Effects of anaerobic digestion on the combustion of sewage sludge, 8th International Conference on Environmental Science and Technology, 6-10 June, Houston, 2016.
• Celebi, B.E., Aksoy, A., Sanin, D.F., Effects of ultrasound pretreatment on biogas generation from anaerobic digestion and fuel properties of municipal sludge, Residuals and Biosolids Conference 2015, Water and Energy, WEF/IWA, 7-10 June, Washington DC, (in CD), 2015.
• Öğün, E., Aksoy, A., Sanin, S.L., Seasonal CH₄, N₂O and NH₃ fluxes from air-water interface of an eutrophic Central Anatolia lake, Turkey, IWA World Water Congress, 21-26 September, Lisbon, (on internet), 2014.
• Kucuk, E., Aksoy, A., Investigation of non-point source pollution potential in the watershed of Porsuk Reservoir, IWA World Water Congress, 21-26 September, Lisbon, (poster on internet), 2014.

• Gorguner, M., Aksoy, A., Sanin, F.D., GIS-based area determination for land application of municipal sludge of a metropolitan wastewater treatment plant, Proceedings of 4th European Conference on Sludge Management, 26-27 May, İzmir, (in CD), 2014.
• Yenilmez, F., Aksoy, A. Evaluation of pollution control alternatives to improve the water quality in Porsuk Dam Reservoir, ICWRE 2914, 13-15 May, Antalya, (abstract), 2014.
• Aksoy A., Yenilmez, F., Düzgün, S. Determination of geostatistically representative sampling locations in Porsuk Dam Reservoir (Turkey), AGU Fall Meeting, 9-13 December, San Francisco, USA, (abstract), 2013.
• Yenilmez, F., Aksoy, A. Determination of the vulnerable areas for diffuse pollution transport within the watershed of the Porsuk Dam Reservoir using ArcGIS, IPWE 6th International Perspective on Water Resources & The Environment, January 7-9, Izmir, (abstract), 2013.
• Yenilmez, F., Aksoy, A., Assessment of long term pollution loads in Porsuk River, Proceedings of the 17th International Symposium on Environmental Pollution and its Impact on Life in the Mediterranean Region (MESAEP), September 28 - October 1, 2013, Istanbul, p. 251 (abstract), 2013.
• Yenilmez, F., Aksoy, A., Evaluation of Water Quality within the Watershed of Porsuk Dam Reservoir, Proceedings of the 17th International Symposium on Environmental Pollution and its Impact on Life in the Mediterranean Region (MESAEP), September 28 - October, Istanbul, p. 255, (abstract), 2013.
• Yuzugullu, O., Aksoy, A., Determination of Secchi disc depths in Lake Eymir using remotely sensed data, Proceedings of GEOMED 2010, June 2-5, Kemer, in Procedia 19(2011): 586-592, 2011.
• Gungor Demirci, G., Aksoy, A., Impact of hydraulic conductivity heterogeneity on time-to-compliance, Proceedings of the IAHR International Groundwater Symposium, June 18-20, Istanbul, in CD, 2008.
• Gungor Demirci, G., Aksoy, A., Impact of crossover and decision variable coding forms on the performance of genetic algorithm optimization: a case study on pump and treat remediation design, Proceedings of the 20th EURO Mini Conference: Continuous Optimization and Knowledge-Based Technologies, EurOPT’2008, May 20-23, Neringa, Lithuania, pp. 36-41, 2008.
• Bulut, E., Aksoy, A., Impact of fertilizer usage on phosphorus loads to Lake Uluabat, Proceedings of the 10th International Specialized Conference on Diffuse Pollution and Sustainable Basin Management, IWA, September 18-22, Istanbul, (in CD), 2006.
• Gungor-Demirci, G., Aksoy, A., Effect of heterogeneity correlation scale on pump-and-treat remediation design, Proceedings of World Water and Environmental Resources Congress 2006, ASCE, May 21–25, Omaha, (in CD), 2006.
• Goktas, R.K., Aksoy, A., The impact of objective function formulation on the optimal calibration of QUAL2E, Proceedings of World Water and Environmental Resources Congress 2005, ASCE, Raymond Walton, ed., May 15–19, Anchorage, Alaska, (in CD), 2005.
• Aksoy, D., Aksoy, A., Satellite-linked sensor networks for planetary scale monitoring, Proceedings of the IEEE Vehicular Technology Conference 2004-Fall, September 26-29, Los Angeles, 2004.
• Göktaş, R.K., Aksoy, A., Calibration and verification of QUAL2E for the reaeration coefficient using genetic algorithms, Proceedings of the 13th Turkish Symposium on Artificial Intelligence and Artificial Neural Networks, 10-11 June, İzmir, pp. 201-207, 2004.
• Göktaş, R.K., Aksoy, A., Application of genetic algorithms for calibration and verification of QUAL2E Model, Proceedings of the World Water and Environmental Resources Congress, June 27-July 1, Salt Lake City, UT: ASCE, 2004.
• Aksoy, A., Culver, T.B., Analysis of pulsed pumping under mass transfer limitations. Proceedings of the 26th annual conference on water resources planning and management, June 6-9, Tempe, AZ: ASCE, 1999.
• Aksoy, A., Culver,T.B., The effect of mass transfer limitations on the optimization of groundwater remediation strategies, Proceedings of the 25th Annual Conference on Water Resources Planning and Management (E. D. Loucks, ed.), ASCE, June 6-10, Chicago, 1998.
• Aksoy, A., Atimtay, A.T., Development of a novel regenerable zinc ferrite sorbent for hot gas desulfurization, Proceedings of the 10th World Clean Air Congress, Vol.1, paper 038, May 28-June 2, Espoo-Finland, 1995.

National Conferences (in Turkish)

• Uğurlu, B., Aksoy, An optimization application for cost-effective BEST green building certification, Proceedings of the 14th National, 2nd International Environmental Engineering Congress, 9-11 December, online, pp. 246-252, 2021.
• Şanlı, E.B., Şimşir, S., Sömek, S.K.,  Kallem, A., Yücel Bilen, Ö., Çelebi, E.B., Üanalan, U.B., Ahmadian, R., Demir, Ş., Aksoy, Autonomous turnover, monitoring, warning, and response system, Proceedings of the 14th National, 2nd International Environmental Engineering Congress, 9-11 December, online, pp. 279-284, 2021.
• Uğurlu, B., Atikoğlu, M.C., Aksoy, A., Optimization of costs of LEED classes and energy efficient systems in a case study by a genetic algorithm, Proceedings of the 5th National Construction Congress and Exhibition, 9-11 September, Ankara, pp. 569-582, 2021.
• Karayılan, S., Dursun Balcı, D., Aksoy, A., Prediction of gas emissions from landfill areas for different waste compositions, Proceedings of the 12th National Environmental Engineering Congress, Chamber of Environmental Engineers, 5-7 October, Ankara, in CD, 2017.
• Çelebi, E.B., Aksoy, A., Sanin, F.D, Effects of ultrasound pretreatment and anaerobic digestion on biogas production and fuel characteristics of municipal sludge, Proceedings of the 11th National Environmental Engineering Congress,  Chamber of Environmental Engineers, 15-17 October, Bursa, full paper in CD, 2015.
• Öğün, E., Sanin, S.L., Aksoy, A., Measurement of greenhouse gas emissions in a eutrophic lake using field column, Proceedings of the 11th National Environmental Engineering Congress,  Chamber of Environmental Engineers, 15-17 October, Bursa, full paper in CD, 2015.
• Kurt, M., Aksoy, A., Sanin, F.D., Cost-based evaluation of greenhouse drier and solar panels for sludge drying, Proceedings of the 11th National Environmental Engineering Congress,  Chamber of Environmental Engineers, 15-17 October, Bursa, full paper in CD, 2015.
• Aksoy, A., İmamoğlu, Thoughts on the future of environmental engineering, Proceedings of the 2nd Workshop on Environmental Engineering Education and Developments in the Field, 25-26 March, Chamber of Environmental Engineers, pp. 113-125, 2011.
• Aksoy, A., Demirer, G.N., Ergüder, T.H., İmamoğlu, İ., Sanin, D.F., Tuncel, G., Evaluation of the scientific studies in environmental engineering departments in Turkey, Proceedings of the 2nd Workshop on Environmental Engineering Education and Developments in the Field, 25-26 March, Chamber of Environmental Engineers, pp. 83-111, 2011.
• Aksoy, A., Demirer, G.N., Ergüder, T.H., İmamoğlu, İ., Sanin, D.F., Tuncel, G., Evaluation of the environmental engineering programs, Proceedings of the 2nd Workshop on Environmental Engineering Education and Developments in the Field, 25-26 March, Chamber of Environmental Engineers, pp. 9-27, 2011.
• Yenilmez, F., Keskin, F., Aksoy, A., Impact of environmental conditions on the water quality of Lake Eymir, Proceedings of the 8th National Environmental Engineering Congress,  11-14 November, pp. 459-468, 2009.
• Keser, S., Düzgün, Ş.H., Aksoy, A., Relationship of solid waste generation rates in Turkey with the socio-economic variables, Proceedings of the 8th National Environmental Engineering Congress,  11-14 November, pp. 402-416, 2009.
• Küçük, E., Malkaz, Z., Özkal, Ş., Aksoy, A., Assessment of various water quality parameters in Eymir Lake, Proceedings of the 8th National Environmental Engineering Congress,  11-14 November, pp. 565-571, 2009.
• Unlu, K., Guvener, M., Girgin, S., Yetis, U., Dilek, F.B., Aksoy, A., Buyuker, B., Polat, S., Environmental management system for sites contaminated with industrial sources, Proceedings of the 11th Industrial Pollution Control Symposium, 11-13 June, Istanbul, pp. 19-26, 2008.
• Girgin, S., Guvener, M., Polat, S., Buyuker, B., Yetis, U., Dilek, F.B., Aksoy, A., Unlu, K., Development of a decision support system for sites contaminated with industrial sources, Proceedings of the 11th Industrial Pollution Control Symposium, 11-13 June, Istanbul, pp. 27-34, 2008.
• Gungor-Demirci, G., Aksoy, A., Remdiation of contaminated sites with pump-and-treat: Technical problems, cause and solutions, Proceedings of the 11th Industrial Pollution Control Symposium, 11-13 June, Istanbul, pp. 503-506, 2008.
• Gungor-Demirci, G., Aksoy, A., Impact of heterogeneity in hydraulic conductivity on time-to-compliance: analysis with simulation-optimization approach, Proceedings of the Environmental Probelms Symposium, 14-17 May, Kocaeli, 2008.
• Yenilmez, F., Aksoy, A., Assessment of water quality in Lake Uluabat using WASP 7.2, Proceedings of the 7th National Environmental Engineering Congress, 24-27 October, İzmir, 2007.
• Bulut, E., Aksoy, A., Determination of the agricultural pollution loads into Uluabat Lake, Proceedings of the 6th National Environmental Engineering Congress, ÇMO, 24-26 Kasım, İstanbul, 23-30, 2005.
• Moral, H., Gokcay, C.F., Aksoy, A., Modeling of activated sludge process using artificial neural netwoks, Proceedings of the 6th National Environmental Engineering Congress, 24-26 November, Istanbul, pp.376-383, 2005.
• Gungor Demirci, G., Aksoy, A., Impact of physical heterogeneity on pump-and-treat remediation design", BMYS 2005, Proceedings of the Current Trends in Science Symposium, 16-18 November, Kocaeli, pp.636-643, 2005.
• Aksoy, A., Culver, T.B., Comparison of remediation of mass transfer limited aquifers by continuous and pulsed pumping, Proceedings of the 2nd National Environmental Pollution Control Symposium, 22-24 October 2003, METU, Ankara, pp. 299-306, 2003.
• Aksoy, A., Atımtay, A.T., Development of a regenerable sorbent for the removal of hydrogen sulfide gas, Proceedings of the Control of Combustion and Air Pollution- II. National Symposium, pp.447-459, September, Eskisehir, 1993.

Directed Graduate Work

Ph.D.

• Comprehensive meta analysis of worldwide landfill leachate, Didar Ergene Şentürk (co-supervised with Prof. Dr. F. Dilek Sanin), 2022.
• Spatial data analysis for monitoring and prediction of selected water quality parameters in reservoirs: Porsuk Dam Reservoir case, Firdes Yenilmez (co-supervised with Prof. Dr. Şebnem Düzgün), 2014.
• Analysis of scale effects on the remediation design for heterogeneous aquifers, Gamze Güngör Demirci, 2009.

M.S.

• Comparison of BEST and LEED green building rating systems through cost-based optimization, Bengisu Uğurlu, 2022. 
• Evaluation of wastewater treatment alternatives for different water reuse applications with modeling and cost analysis, Pınar Uyanık (co-supervised with Assoc. Prof. Dr. Tuba Hande Bayramoğlu), 2020.
• Waste inventory for a refrigerator manufacturing plant, Cansu Dönmezoğlu, 2019.
• Comparison of energy consumption and carbon footprint of wastewater treatment systems through modeling, Bora Okan (co-supervised with Assoc. Prof. Dr. Tuba Hande Bayramoğlu), 2019.
• Modelling and assessment of landfill gas generation at Afyonkarahisar landfill site, Sevde Karayılan (co-supervised with Asst. Prof. Dr. Derya Dursun Balcı), 2018.
• Evaluation of dewatered and partially dried sewage sludge combustion based on energy balance and carbon footprint, Emin Calbay (co-supervised with Prof. Dr. F. Dilek Sanin), 2018.
• Assessment and prediction of water quality parameters in Lake Köyceğiz using artificial neural networks, Oya Özçelik Gedik (co-supervised with Assoc. Prof. Dr. Emre Alp), 2015.
• Effects of ultrasound pretreatment and anaerobic digestion on the energy potential of sludge, Emrehan Berkay Çelebi (co-supervised with Prof. Dr. Dilek Sanin), 2015.
• Evaluation of BTEX concentrations in selected industries producing and applying paint based on human health risks through inhalation, Gizem Naz Dölek (co-supervised with Assoc. Prof. Dr. Elçin Kentel), 2015.
• Evaluation of solar sludge drying alternatives on costs and area requirements, Mayıs Kurt (co- supervised with Prof. Dr. Dilek Sanin), 2015.
• A transport cost-based optimization for arable land application of municipal sludge in Ankara, Merve Görgüner (co- supervised with Prof. Dr. Dilek Sanin), 2014.
• Investigation of non-point source pollution potential in the watershed of Porsuk Dam Reservoir, Elif Küçük, 2014.
• Interactions of water and sediment phosphorus in Lake Eymir, Tolga Pilevneli (co-supervised with Assoc. Prof. Dr. Selim Sanin), 2013.
• Investigation of light attenuation in Lake Eymir, Selen Atiker (co-supervised with Assoc. Prof. Dr. Selim Sanin), 2012.
• Determination of chlorophyll-a distribution in Lake Eymir using regression and artificial neural network models with hybrid inputs, Onur Yüzügüllü, 2011.
• Optimization and cost minimization in route planning using genetic algorithms, Onur Uşkay (co-supervised with Assoc. Prof. Dr. Şebnem Düzgün at the Department of Geodetic and Geographic Information Systems), 2010.
• Development of an environmental pollution index for the middle section of Seyhan Basin, Mehmet Gölge, 2010.
• Relation of solid waste generation rates in Turkey to socio-economic variables, Saniye Keser (co-supervised with Assoc. Prof. Dr. Şebnem Düzgün), 2010.
• Development of a fuzzy rule based remedial priority system for contaminated sites, Şener Polat (co-supervised with Prof. Dr. Kahraman Ünlü), 2009.
• Modeling the water quality of lake eymir using artificial neural networks (ANN) and adaptive neuro fuzzy inference system (ANFIS), Muhittin Aslan, 2008.
• Modeling of the water quality in Uluabat Lake, Firdes Yenilmez, 2007
• Inspection of algae distribution in Eymir Lake using site measurements and remotely sensed data, Tarek Elahdab, 2006.
• Assessment of management policies for Lake Uluabat Basin using AVSWAT, Elif Bulut, 2005.
• Application of genetic algorithms to calibration and verification of qual2e model, Recep Kaya Göktaş, 2004.
• Modelling of activated sludge process by using artificial neural networks, Hakan Moral (co-supervised with Prof. Dr. Celal Gökçay), 2004.

Research Projects

Projects coordinated

• Tunover response system development, TSP1357, Newton Fund, RAEng, UK, 2020-2023.
• Development of a model that uses hybrid inputs composed of in-situ and remotely sensed data for determination of the spatial distribution of chlorophyll-a in Eymir Lake, CAYDAG-109Y201, TÜBİTAK, 2009-2010.
• Application of genetic algorithms for calibration and verification of QUAL2E Model, BAP-2003-03-11-01, METU Research Fund, 2003-2004.
• Analysis of the algae distribution in Eymir Lake using in-situ measurements and remote sensing, BAP- 2004-03-11-03, METU Research Fund, 2004-2005.
• Development of a phosphorus index for the Uluabat Lake Watershed, BAP-2004-03-11-02, METU Research Fund, 2004-2005.
• Analysis of scale effects on the remediation design for heterogeneous aquifers, BAP-08-11-DPT2002K120510-DK17, METU Research Fund, 2003-2007.
• TMDL development for Uluabat Lake Watershed, CAYDAG-103Y122, TÜBİTAK, 2003-2005.

Consulting

• ProjeTAS, Baseline assesment study for CiculaMare in the Mediterranean-Bursa, Turkey funded by GIZ (Deutsche Gesellschaft für Internationale Zusammenarbeit) 
• GEOSYS, Feasibility study on the national water resources information system, the Ministry of Forestry and Water Works, 2013-2013.
• GEOSYS, Strategy development and feasibility study for informatics demands of the Ministry of Environment and Urbanization, 2012-2012.
• AKS Engineering, Development of watershed management plan for the Porsuk Dam Reservoir, 2010-2012.

Project Contributions as a Co-Researcher

• Action planning for management of treatment plant sludge in Turkey, Ministry of Urbanization and Environment, 2016-2018.
• Management of domestic/municipal treatment sludges, KAMAG-108G167, TUBİTAK, 2010-2013.
• Measurement of nitrogeneous species in different media (air, water, sediment) and determination of their fluxes, ÇAYDAG-108Y116, TUBİTAK, 2009-2012.
• Development of a methodology for reclamation planning of abandoned mine sites, BAP- 07.02.2009.07, METU Research Fund, 2009-2010.
• Development of a management system for sites contaminated with hazardous point sources, KAMAG-106G008, TUBİTAK, 2004-2009.
• Development of tools and guidelines for the promotion of the sustainable urban wastewater treatment and reuse in the agricultural production in the Mediterranean countries, MEDAWARE, European Commission, Euro-Mediterranean Partnership, 2003-2006.
• Course development on nutrients load reduction, United Nations Train-Sea-Coast Program, 2002-2005.