Staff Members CV
The Center has more than 45 senior-level faculty from national, regional, and international institutions. ACEWM affiliated 38 faculty who are engaged in teaching, research, joint supervision of students, and offering short courses.
Tenalem Ayenew
Professor of Hydrogeology and Engineering Geology,
Hydrology and Water Resources Management
Personal Information
- Full Name: Tenalem Ayenew Tegaye
- Title: Professor of Hydrogeology and Engineering Geology, Addis Ababa University
- BSc. in Geology from Addis Ababa University in 1987, Addis Ababa, Ethiopia.
- Post Graduate Diploma (equivalent to M.Sc) in Hydrological Engineering from the International Institute for Hydraulic and Environmental Engineering (IHE) in 1991. Delft, Netherlands.
- MSc in Water Resources Surveying from the International Institute for Aerospace Survey and Earth Sciences (ITC) in 1993. Enschede, Netherlands.
- PhD in Hydrogeology from the Free University of Amsterdam in 1998. Amsterdam, Netherlands.
- Asmara University, as a Graduate Assistant and Lecturer (1987 – 1990)
- Addis Ababa University, from Lecturer to Professor (1993- To date)
- Saba Engineering PLC (1999 – 2002)
- Beruh Consulting Engineers and Hydrogeologists PLC (2005 - 2009)
- Beles Engineering PLC (2010 – Todate)
- Head of Saba Engineering Drilling Company (1999 – 2002).
- Deputy General Manager of Beruh Consulting Engineers and Hydrogeologists P.L.C (2005 – 2009)
- General Manager of Beles Engineering PLC (2010-Todate)
- Acharya, S., MulugetaAlene, TenalemAyenew, 1989. Geology of Adola- Moyale areas with special reference to controls of Gold Mineralization, southern Ethiopia. Asmara University. 1 Unpub. Report.
- Acharya, S., MulugetaAlene, TenalemAyenew, 1989: Geology in relation to water potentiality in Asmara. Asmara University. Unpub. Report, 23p.
- TenalemAyenew, 1988. Principles of Stratigraphy (text Book). Asmara University Press. Asmara.
- TenalemAyenew, 1991. Water resources potential assessment of the Domail river basin, Northwestern Frontier Province, Pakistan, IHE PGD thesis, Delf, The Netherlands. 89p.
- TenalemAyenew, 1992. Hydrogeological Investigation of the Bergantes River Basin, Northeastern Spain, ITC, M.Sc thesis, 184p.
- TenalemAyenew, 1996. Application of TM band 6 for the study of groundwater and surface water interaction with the lakes of Ziway-Shala basin. Abstracts, programs of the third Ethiopian Geoscience and Mineral Engineering Congress, 15-17 November 1996, Addis Ababa.
- Hailu, D., Martina, H., TenalemAyenew, 1996. The problem of high rise groundwater in Amibara Irrigation Project, Ethiopian Science and Technology Commission unpublished report. 42p.
- TenalemAyenew, 1998. The hydrogeological system of the lake district basin, Central Main Ethiopian Rift. Published PhD thesis, Free University of Amsterdam, The Netherlands. 259p.
- Gieske, A.S.M.; Tenalem, A., 1999. Estimation of hot spring discharge in Lake Ziway (Ethiopia) by thermal infrared remote sensing techniques Proceedings of the 24th European Geophysical Society General Assembly (April 19-23, 1999). Den Haag, The Netherlands.
- TenalemAyenew, 2001. A new approach of evapotranspiration estimation using spectral satellite data: A case study in Ethiopian Rift lakes Basin. International Journal of ITC.
- TenalemAyenew, 2001. Surface kinetic temperature mapping of the central main Ethiopian rift lakes, SINET: Ethioian Journal of Science. 24(1): 241-252.
- TenalemAyenew, 2001. Numerical groundwater flow modeling of the Central Main Ethiopian Rift lakes basin, SINET: Ethiopian Journal of Science 24(2):167-184.
- TenalemAyenew, 2001. Numerical groundwater modelling and hydrochemical study of the Main Ethiopian Rift lakes basin. Proceedings of the XXXIth Congress of the International Association of Hydrogeologists "New Approach to Characterizing Groundwater Flow", 14-18 September 2001. Munich, Germany.
- TenalemAyenew, TamiruAlemyaheu, 2001. Principles of Hydrogeoloy (Text Book). Addis Ababa University Press. 279 pp.
- TenalemAyenew, 2001. Recent changes in the level of Lake Abiyata, Central Main Ethiopian Rift. Journal of Hydrological Sciences, 47(3):493-503.
- TenalemAyenew, 2001. Integrated Hydrological and hydrogeological study of some Ethiopian rift lakes. SEARCH workshop proceedings. 22-28 September 2001. Nairobi, Kenya.
- SeifuKebede, TenalemAyenew, Mohammed Ummer, 2001. Application of isotope and water balance approaches for the study of the hydrogeological regime of the Bishoftu crater lakes, Ethiopia. SINET: Ethiopian Journal of Science 24(2):151-166.
- TenalemAyenew, 2002. Application of environmental isotopes for the study of the hydrogeological system of some Ethiopian Rift lakes. Proceedings of the 4th International Conference on Isotopes. 10-14 March 2002. Cape Town South Africa.
- TenalemAyenew, 2002. Integrated groundwater flow system analysis in the Central Main Ethiopian Rift lake basin. Proceedings of the Australian National Chapter of the Internationa Association of Hydrogeologists" balancing the groundwater budget". 12-17 May, Darwin, Australia.
- TenalemAyenew, 2003. Environmental isotope-based integrated hydrogeological study of some Ethiopian rift lakes. Journal of radioanalytical and nuclear chemistry. Vol. 257 No 1 (2003): 11-16.
- TenalemAyenew, 2003. Evapotranspiration estimation using thematic mapper spectral satellite data in the Ethiopian rift and adjacent highlands. Journal of Hydrology, Volume 279, Issues 1-4.
- TenalemAyenew and MollaDemlie, 2004. Bathymetric survey and estimation of the water balance of lake Ardibo, Ethiopia. Sinet: Ethiopian Journal of Science. 27(1):61-68.
- TenalemAyenew, 2004. Environmental implications of changes in the levels of lakes in the Ethiopian rift since 1970. Regional Environmental Changes.4:192-204.
- TenalemAyenew, GiulioBarbieri, 2004. Inventory of landslides and susceptibility mapping in the Dessie area, northern Ethiopia. Engineering Geology 77:1-15.
- TenalemAyenew, 2004. Comparison of different groundwater recharge estimation methods and characterization of the hydrological behavior of the Meki river catchment. Proceedings of the Fourth EGMEA Congress. December 19-21, 2003. Addis Ababa. Pp. 209-225.
- TenalemAyenew, 2004. Principles of Engineering Geology (Text book). Addis Ababa University Press.
- TenalemAyenew, PaulosMasresha, 2005. Study of socio-ecology and utilization of groundwater resources in Ethiopia. Technical document. International Water Management Institute (IWMI). 135 pp.
- TamiruAlemayehu, TenalemAyenew., SeifuKebede, 2006. Hydrochemical and lake level changes in the Ethiopian Rift. Journal of Hydrology Vol. 316, No. 1-4:290-300.
- TamiruAlemayehu, DagnachewLegesse, TenalemAyenew, YirgaTadesse, Solomon Waltenigus, and Nuri Mohammed, 2005. Hydrogeology, water quality and the degree of groundwater vulnerability to pollution in Addis Ababa, Ethiopia. UNEP/UNESCO report. Nairobi, Kenya. 118 pp.
- TamiruAlemayehu, DagnachewLegesse, TenalemAyenew,YirgaTadesse, Solomon Waltenigus and Nuri Mohammed, 2005. Hydrogeology, Water quality and the degree of groundwater vulnerability to pollution in Addis Ababa, Ethiopia. UNEP/UNESCO report. Book in press. Nairobi, Kenya. 118 pp.
- SeifuKebede, Yves Travi, TamiruAlemayehu, TenalemAyenew, 2005.Groundwater recharge, circulation and geochemical evolution in the source region of the Blue Nile river, Ethiopia, Applied Geochemistry 20 (9):1658-1676.
- TenalemAyenew, SeifuKebede, TamiruAlemyahu, 2005. Environmental isotopes and hydrochemical study for groundwater exploration and development in the Afar Depression, Northeastern Ethiopia. Proceedings of 5th international conference on isotopes. 25-29 April 2005. Bussels, Belgium.
- ZerihunWoldu, AssefaMebrate, SeyoumMengistou, Tenalem Ayenew, DagnachewLegesse, 2005. A review of the current status and an outline of a future management plan for lakes Abijata and Ziway. Oromia Environmental Protection Burea. Unpublished Technical Report. Addis Ababa, Ethioipia.
- TenalemAyenew, 2005. Major ions composition of the groundwater and surface water systems and their geological and geochemical controls in the Ethiopian volcanic terrain. Sinet: Ethiopian Journal of Science. 28(2):171-188.
- Tenalem Ayenew, Yemane Gebreegziabher, 2006. Application of a spreadsheet hydrological model for computing the long-term water balance of Lake Awassa, Ethiopia. Hydrological Sciences Journal.
- DagnachewLegesse, TenalemAyenew, 2006. Effect of improper water and land resources utilization on the central Main Ethiopian Rift lakes. Quaternary International: 148: 8-18.
- TenalemAyenew, T., Alemyahu, T., Kebede, S., 2006. Environmental Isotopes and Hydrochemical Studies as Applied to Water Resources Assessment in Central and Southern Afar and Adjacent Highlands. Ethiopian Science and Technology Agency. Unpublished Report of the International Atomic Energy Agency Project (ETH/8/008). Addis Ababa, Ethiopia. 128 pp.
- Alemayehu, T., Legesse, D., Ayenew, T., Mohammed N., Waltenigus S., 2006. Degree of groundwater vulnerability to pollution in Addis Ababa, Ethiopia. In: YongxinXu and Brent Usher (Eds). Groundwater pollution in Africa. Taylor and Francis Publishers, USA.pp. 203-212.
- TenalemAyenew, 2007. Some improper water resources utilization practices and environmental problems in the Ethiopian rift. African water Journal. Volume 1 No. 1. March 2007- ISBN 92-1-125089-7 UN-Water Africa. Addis Ababa, Ethiopia.
- Tenalem Ayenew, 2007. Water management problems in the Ethiopian rift: Challenges for development.Journal of African Earth Sciences 48:222–236.
- Molla Demlie, Tenalem Ayenew, Stefan Wohnlich, 2007 Hydrological system analysis of topographically closed lakes in highland Ethiopia: the case of Hayq and Ardibo. Journal of hydrology. Volume 339, Issue 3-4, page 145-158.
- Lamb, H.F., M.J. Leng, R.J. Telford, Tenalem Ayenew, Mohammed Umer, 2007. Oxygen and carbon isotope composition of authigenic carbonate from an Ethiopian lake: a climate record of the last 2000 years. The Holocene. 17(4):517-526.
- Tenalem Ayenew, Robert Becht, Arno van Lieshout, Yemane Gebreegziabher, Dagnchew Legesse, Japheth Onyando (2007). Model-based study of the hydrodynamics of topographically closed lakes in the Ethio-Kenyan Rift: The case of lakes Awassa and Naivasha. Journal of Spatial Hydrology.
- Tenalem Ayenew and Dagnachew Legesse (2007). The changing face of the Ethiopian rift lakes: Call of the time. Lakes and reservoirs: research and mangament. 12 (3): 149–165
- TenalemAyenew (2007). Hydrogeological controls and distribution of fluoride in the groundwaters of the central Main Ethiopian rift and adjacent highlands. Environmental geology
- Tenalem Ayenew, Seifu Kebede, Tamiru Alemyahu Published online: DOI: 10.1007/s00254-007-0914-4). Environmental isotopes and hydrochemical study as applied to surface water and groundwater interaction in the Awash river basin. Hydrological processes (published online)
- TenalemAyenew, Robert Becht (in press). Comparative Assessment of the hydrology of selected Ethio-Kenyan rift lakes. Journal of Hydrological Sciences.
- Groundwater recharge estimation using semi-distributed hydrological models and river discharge measurement in the Meki river basin. Sinet: Ethiopian Journal of Science.
- Seifu Kebede, Yves Travi, Asfawossen Asrat, Tamiru A, Tenalem yenew, Zenaw T. Groundwater origin and flow along selected transects in Ethiopian rift volcanic aquifers. Hydrogeology Journal.
- TenalemAyenew, MollaDemlie, Stefan Wohnlich (accepted and in press). Hydrogeological framework and occurrence of groundwater in the Ethiopian volcanic terrain. Journal of African Earth Sciences
- Tenalem Ayenew, Molla Demillie and Stefan Wohnlich, 2008. Application of numerical modeling for groundwater flow system analysis in the Akaki catchment, central Ethiopia. Mathematical Geosciences.
- Molla Demlie, Stefan Wohnlich, Tenalem Ayenew, 2007. Major ion hydrochemistry and environmental isotope signatures as a tool in assessing groundwater occurrence and its dynamics in a fractured volcanic aquifer system located within a heavily urbanized catchment, central Ethiopia. Journal of Hydrology (2008) 353, 175– 188.
- Tewodros Rango, Gianluca Bianchini, Luigi Beccaluva,Tenalem Ayenew,Nicolo` Colombani, 2008. Hydrogeochemical study in the Main Ethiopian Rift: new insights to the source and enrichment mechanism of fluoride. Environmental Geology. DOI 0.1007/s00254-008-1498-3
- TenalemAyenew, 2008. Natural lakes of Ethiopia. Addis Ababa University Press. 280 pp.
- TenalemAyenew, 2003. Evapotranspiration estimation using thematic mapper spectral satellite data in the Ethiopian rift and adjacent highlands. Journal of Hydrology. 279(1-4): 83-93.
- TenalemAyenew, 2003. Environmental isotope-based integrated hydrogeological study of some Ethiopian rift lakes. Journal of radioanalytical and nuclear chemistry. 257(1): 11-16.
- TenalemAyenew and MollaDemlie, 2004. Bathymetric survey and estimation of the water balance of lake Ardibo, Ethiopia. Sinet: Ethiopian Journal of Science. 27(1):61 - 68.
- TenalemAyenew, 2004. Environmental implications of changes in the levels of lakes in the Ethiopian rift since 1970. Regional Environmental Changes. 101(13-14):192-204.
- TenalemAyenew, GiulioBarbieri, 2004. Inventory of landslides and susceptibility mapping in the Dessie area, northern Ethiopia. Engineering Geology 77:1-15.
- TamiruAlemayehu, TenalemAyenew., SeifuKebede, 2006. Hydrochemical and lake level changes in the Ethiopian Rift. Journal of Hydrology. 316(1-4):290-300.
- SeifuKebede, Yves Travi, TamiruAlemayehu, TenalemAyenew, 2005. Groundwater recharge, circulation and geochemical evolution in the source region of the Blue Nile river, Ethiopia, Applied Geochemistry 20(9):1658-1676.
- TenalemAyenew, YemaneGebreegziabher, 2006. Application of a spreadsheet hydrological model for computing the long-term water balance of Lake Awassa, Ethiopia. Hydrological Sciences Journal.
- DagnachewLegesse and TenalemAyenew, 2006. Effect of improper water and land resources utilization on the central Main Ethiopian Rift lakes. Quaternary International: 148: 8-18.
- TenalemAyenew, 2007. Water management problems in the Ethiopian rift: Challenges for development. Journal of African Earth Sciences 48:222-236.
- MollaDemlie, TenalemAyenew, Stefan Wohnlich, 2007 Hydrological system analysis of topographically closed lakes in highland Ethiopia: the case of Hayq and Ardibo. Journal of Hydrology.
- Lamb, H.F., M.J. Leng, R.J. Telford, Tenalem Ayenew, M. Umer, 2007. Late Holocene climate variability in Africa: a 2500-year stable isotope record from Lake Hayk, northern Ethiopia. The Holocene. 17(4):517-526.
- TenalemAyenew and DagnachewLegesse, 2007. Hydrological features of the Awash basin. In: Kevin Pietersen, Hans Beekman (edts)., African environmental outlook. UNESCO publications.
- TenalemAyenew and DagnachewLegesse, 2007. The changing face of the Ethiopian rift lakes: Call of the time. Lakes and Reservoirs: Research and Management. 12(3): 149–165.
- TenalemAyenew, 2007. Hydrogeological controls and distribution of fluoride in the groundwaters of the central Main Ethiopian rift and adjacent highlands. Environmental Geology. 54(6):1313-1324.
- TenalemAyenew, Robert Becht, Arno van Lieshout, YemaneGebreegziabher, DagnchewLegesse, Japheth Onyando, 2007. Model-based study of the hydrodynamics of topographically closed lakes in the Ethio-Kenyan Rift: The case of lakes Awassa and Naivasha. Journal of Spatial Hydrology.
- TenalemAyenew, S. Kebede, T. Alemyahu, 2007. Environmental isotopes and hydrochemical study as applied to surface water and groundwater interaction in the Awash river basin. Hydrological processes.
- Molla Demlie, Stefan Wohnlich, Tenalem Ayenew, 2008. Major ion hydrochemistry and environmental isotope signatures as a tool in assessing groundwater occurrence and its dynamics in a fractured volcanic aquifer system located within a heavily urbanized catchment, central Ethiopia. Journal of Hydrology. 353: 175-188.
- SeifuKebede, Yves Travi, AsfawossenAsrat, TamiruAlemayehu, TenalemAyenew, ZenawTessema, 2008. Groundwater origin and flow along selected transects in Ethiopian rift volcanic aquifers. Hydrogeology Journal. 16(1):55-77
- Tenalem Ayenew, M. Demillie and S. Wohnlich, 2007. Application of numerical modelling for groundwater flow system analysis in the Akaki catchment, central Ethiopia. Journal of Mathematical Geosciences.
- Tenalem Ayenew, Molla Demlie, Stefan Wohnlich, 2008. Hydrogeological framework and occurrence of groundwater in the Ethiopian volcanic terrain. Journal of African Earth Sciences. 52(3):97-113.
- TenalemAyenew, Robert Becht, 2008. Comparative assessment of the hydrology of selected Ethio-Kenyan rift lakes. Journal of Lakes and Reservoirs: Research and Management.13:191-196.
- TenalemAyenew, 2008.Hydrogeological system analysis and groundwater recharge estimation using semi-distributed models and river discharge in the Meki river basin. Sinet: Ethiopian Journal of Science.
- TamiruAlemayehu, DagnachewLegesse, TenalemAyenew, Nuri Mohammed and Solomon Waltenigus, 2006. Degree of groundwater vulnerability to pollution in Addis Ababa, Ethiopia. In: YongxinXu and Brent Usher (Eds). Groundwater pollution in Africa. Taylor and Francis Publishers, USA. pp. 203-212.
- Tenalem Ayenew, M. Demillie & S. Wohnlich, 2007. Application of numerical modelling for groundwater flow system analysis in the Akaki catchment, central Ethiopia. Journal of Mathematical Geosciences.
- Tenalem Ayenew, Molla Demlie, Stefan Wohnlich, 2008. Hydrogeological framework and occurrence of groundwater in the Ethiopian volcanic terrain. Journal of African Earth Sciences. 52(3):97-113.
- TenalemAyenew, Robert Becht, 2008. Comparative assessment of the hydrology of selected Ethio-Kenyan rift lakes. Journal of Lakes and Reservoirs: Research and Management.13:191-196.
- Tewdros Rango, Luca Bianchini, Luigi Becaluva, Tenalem Ayenew, 2008. Water quality problem in main Ethiopian rift, a new insight to fluoride problem. Journal of Environmental Geology. DOI 10.1007/s00254-008-1498-3
- TenalemAyenew, 2008. Hydrological system analysis and groundwater recharge estimation using semi-distributed models and river discharge measurement in the Meki river basin. Sinet: Ethiopian Journal of Science 31(1):29-42.
- TenalemAyenew and NardosTilahun, 2008. Assessment of lake–groundwater interactions and anthropogenic stresses, using numerical groundwater flow model, for a Rift lake catchment in central Ethiopia. Lakes and Reservoirs: Research and Management. 13: 325–343.
- TewodrosRangoÆGianlucaBianchiniÆ, Luigi BeccaluvaÆTenalemAyenew, Nicolo` Colomban. 2008. Hydrogeochemical study in the Main Ethiopian Rift: new insights to the source and enrichment mechanism of fluoride Environ Geol. DOI 10.1007/s00254-008-1498-3
- TenalemAyenew, 2009. Natural Lakes of Ethiopia. Addis Ababa University Press.
- GebremedehinBerhane and TenalemAyenew, 2010/ Soil and Rock Characterization in the Mekele Area, Northern Ethiopia. International Journal of Earth Sciences and Engineering Vol. 03 pp.762-774
- AndargeYitbarek, MoumtazRazack, TenalemAyenew, EngidaZemedagegnehu, TilahunAzagegn, 2012. Hydrogeological and hydrochemical framework of Upper Awash River basin, Ethiopia: With special emphasis on inter-basins groundwater transfer between Blue Nile and Awash Rivers. Journal of African Earth Sciences 65 (2012) 46–60
- Yitbarek Y., MoumtazRazack, TenalemAyenew and Engida, Zemedagegnehu, 2012. Estimating transmissivity using empirical and geostatistical methods in the volcanic aquifers of Upper Awash Basin, central Ethiopia. Environmental Earth Sciences Environ Earth Sci.
- TenalemAyenew, PaulosMasresha and SeleshiBekele, 2012, Groundwater availability and use in Ethiopia. In: Paul Pavelic, Mark Giordano, Bernard Keraita and Vidya Ramesh (Eds). Groundwater availability and use in Sub-Saharan Africa. A review of fifteen countries. IWMI Publication (Book).
- TenalemAyenew, 2010. Overview of Wetlands of Ethiopia, 2009. Ethiopian Environmental Review. Publication of Forum for the Environment (Volume 1)
- TenalemAyenew, 2012. Current status and potential threats of selected wetlands of Ethiopia. Ethiopian Environmental Review. Publication of Forum for the Environment (Volume 2)
- Charlotte MacAlister, Paul Pavelic, CallistTindimugaya, TenalemAyenew, Mohamed Elhassan Ibrahim and Mohamed Abdel Meguid, 2012. Overview of groundwater in the Nile River Basin. In: SeleshiBekeleAwulachew Vladimir Smakhtin David Molden Don Peden (2012) The Nile Basin: Water, agriculture governance and livelihood. EarthScan book from Rutledge. 186-211 pp.
- TenalemAyenew, MerahwiGebreegziabheir, SeifuKebede, SeleshiMamo, 2013. Integrated assessment of hydrogeology and water quality for groundwater-based irrigation development in the Raya valley, Northern Ethiopia. Water International. Volume 38, Number 4. Page 480-492.
- TenalemAyenew, PaulosMasresha, SeleshiBekele, 2013. Groundwater development and utilization in Ethiopia. In: Paul Pavelic, Mark Giordano, Bernard Keraita, Vidya Ramesh, TammaRao, 2013. Groundwater availability and use in Sub-sharan Africa. IWMI, 275pp.
- Tibebe Belete and Tenalem Ayenew, 2013. Water Resources Evaluation With Particular Reference ToGroundwaterA case Study in North Western Ethiopia, Bijana-Muye River Catchments.
- Professional membership Ethiopian Geoscience and Mineral Engineering Association International Association of Hydrogeologists (IAH), International Association of Hydrological Sciences (IAHS) Ethiopian Water Resources Association, Ethiopian Hydrogeologists Association (General Secretary), Ethiopian Engineering Geologists Association, Alexander von Humboldt Foundation, Cap-Net Africa, African Groundwater Network (Founder,Steering Committee Memberand Coordinator of Ethiopian Chapter), Nile-IWRM Net (Steering Committee Member and Coordinator of Ethiopian Chapter)
- The projects include water, road, environment and related fields. The most important partners include Amhara Design and Supervision Works Enterprise, Oromia Water Works Design and Supervision Enterprise, Makene Eyessus Church (2010), Water Works Construction Enterprise (EWWCA) (2010), Ethiopian Railways Authority (2010), Yayu Coal Phosphate Project (2010), Tigray Water Mines and Energy Bureau (2009), International Water Management Institute (IWMI), UNICEF and Ministry of Water and Energy (2009-20010), Relief Society of Tigray (2000 and 2004): Oromia Environmental Protection Office (2005) CMC Ethiopia (1994): CMC (1994) and National Engineers (1993).
- Examining board member at: The University of Poiter (France), Sultan Quaboos University (Oman), Manipal University (India), University of Botswana (Botswana), University of South Africa
- Postdoctoral researcher at the European Center for Environment and Earth Science, France (2000)
- Postdoctoral researcher at University of Cgliari, Sardinia, Italy (July 2001).
- Postdoctoral researcher at University of Chicago, Argonnie National Laboratory, Illinois, USA (2001)
- Postdoctoral researcher at University of Mining and Metallurgy, Krakow Poland (March to June,2002)
- Postdoctoral researcher at International Institute for Geo-information Science and Earth Observation, Enschede, The Netherlands (July – September 2004)
- Postdoctoral researcher at the Alexander von Humboldt Foundation Research Fellow (Ruher University of Bochum July 2006 to October 2007)
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