Dr. Dimitrios Alexakis

Senior Scientist – Geologist, M.Sc., Ph.D., Satellite Remote Sensing and GIS


(2009) Doctoral Degree, Department of Natural and Physical Geography, Aristotle University of Thessaloniki, School of Geology, Greece.

(2003) M.Sc Diploma in “Geography and Environment”, Department of Natural and Physical Geography, School of Geology, Aristotle University of Thessaloniki, Greece.

(2001) BSc in Geology, Faculty of Sciences, School of Geology, Aristotle University of Thessaloniki, Greece.

Research Projects Involved

21. “SOILCARE – Soilcare for profitable and sustainable crop production in Europe”
20. “RECARE H2020 – Preventing and remediating soil degradation in Europe through land care”
19. Remote sEnsing meteorologIcal data fusioN for effective Flood mitigatiOn and foReCasting over Eastern Mediterranean
18. “GEODIAMETRIS – Integrated geoinformatics technologies for time-lapse monitoring of land pollution from the disposal of olive-oil mills wastes.
17. ISPRS Call for proposal : Free FORMOSAT Satellite imagery (Research), NCPO and Chinese (Taipei) Society of Photogrammetry and Remote Sensing Research (CSPRS).
16. “Dragon 3. Detection Of Landuse Change And Its Relationship To Water Quality Features And Potential Fishing Grounds By Using Multi-Source And Multi-Scale Remote Sensing Imageries”,
15. “Managing Cultural Heritage Sites through Space and ground Technologies using Geographical Information Systems: A Pilot application at the archaeological sites of Paphos ΑΕΙΦΟΡΙΑ / ΚΟΙΑΦ / 0311 (ΒΙΕ) / 06”
14. “Catastrophic shifts in drylands: how can we prevent ecosystem degradation? ‘CASCADE’ FPT-ENV-2011”.
13. “Integrated use of space, geophysical, and hyperspectral technologies intended for monitoring water leakages in water supply networks in Cyprus, ΑΕΙΦΟΡΙΑ/ΦΥΣΗ/0311(ΒΙΕ)/21 ‘WaterLeaks.”
12. “Development of a low altitude airborne remote sensing system for the processing of satellite data for archaeological reasons. (ΠΡΟΣΕΛΚΥΣΗ/ΕΜΠΕΙΡΟΣ/0311/08).”
11. “Monitoring air pollution in Cyprus using satellite remote sensing and GIS and micro-sensor technology.”
10. “INTEGRATION – Integration of satellite remote sensing, GIS modelling and wireless-senor network for monitoring and determining irrigation demands in Cyprus.”
9. “SATFLOOD -Integrated use of satellite remote sensing and hydraulic modelling for the flood risk assessment at a catchment scale in Cyprus. (ΠΡΟΣΕΛΚΥΣΗ / ΝΕΟΣ/0609).” (Main Researcher)
8. “Integrated system of monitoring and management seismic hazard at the front of Greek arch. Applications at the cities of Chania and Heraklion. ΤΑΛΩΣ – ΚΡ_7.”
7. “Reformation of curriculum of the Department of Natural Resources and Environment of the Technological Educational Institute of Crete. EPEAEK II, Protection of Environment and environmental education.”
6. “SE RISK, Advanced techniques for Seismic Risk reduction in Mediterranean Archipelago Regions, INTERREG III, B ARCHIMED.”
5. “Mildmap – Media, Methodology Integration of EO techniques as operative tool for land degradation management and planning in Mediterranean areas, INTERREG III, B ARCHIMED.”
4. “Re-evaluation of the Dynamics of the Thessalian Neolithic Period: Habitation Patterns and Resource Management.” (Main Researcher)
3. “The employment of multispectral satellite images, radar images and Geographical Information Systems to the mapping of archaeological sites founded by the General Secretary for Research (Greece).”(Main Researcher)
2. “Reformation of curriculum of the Department of Natural Resources and Environment of the Technological Educational Institute of Crete.”
1. e-ecoRisk – “A 2004 – Regional Enterprise Network Decision-Support System for Environmental Risk and Disaster Management of Large-Scale Industrial spills”-Regional operational network system of support and decision-making for the confrontation of environmental venturousness and the management of destructions from big scale industrial waste. EVG1-2001-00087).”

Publications in peer reviewed journals

34. Alexakis, D.D., Daliakopoulos, I.N., Panagea, I.S., Tsanis, I.K. (2016). “Assessing Soil Salinity with the use of WorldView-2 Multispectral Images in Timpaki, Crete, Greece” Geocarto International, pp.1-18.
33. Alexakis, D.D., Mexis, P.D., Vozinaki, A.E.K., Daliakopoulos, I.N., Tsanis, I.K., “Retrieval of Soil Moisture content using Sentinel-1 and auxiliary remote sensing products. A hydrological approach” Sensors (submitted),
32. Vozinaki Α.-Ε. Κ., Morianou G.G., Alexakis D.D. and Tsanis I.K., “Comparing 1D and combined 1D-2D hydraulic simulations using high resolution topographic data, the case study of the Koiliaris basin, Greece”, Hydrological Sciences Journal, 62(4), pp. 642-656.
31. Flocas, H., Tsanis, I.K., Katavoutas, G., Kouroutzoglou, J., Iordanidou, V., Alexakis, D.D., (2016). “Climatological aspects of cyclonic tracks associated with flood events in Crete, Greece,” Theoretical and Applied Climatology, doi:10.1007/s00704-016-1946-z.
30. Alexakis, D.D., Tsanis, I.K., (2016). Comparison of multiple linear regression and artificial neural network models for downscaling TRMM precipitation products using MODIS data, Environmental Earth Sciences, 75: 1077. doi:10.1007/s12665-016-5883-z.
29. Agapiou, A., Alexakis, D.D., Themistocleous, K., Hadjimitsis, D.G., (2016). Water leakage detection using remote sensing, field spectroscopy and GIS in semiarid areas of Cyprus, Urban Water Journal, doi: 10.1080/1573062X.2014.975726.
28. Alexakis, D.D., Sarris, A., Kalaitzidis, C., Papadopoulos, N., Soupios, P., (2016). Integrated use of satellite remote sensing, GIS and ground spectroscopy techniques for monitoring olive oil mill waste disposal areas on the island of Crete, Greece, International Journal of Remote Sensing, 37(3), pp. 669-693, doi: 10.1080/01431161.2015.1136444.
27. Alexakis, D. D., Gryllakis, M. G., Koutroulis, A. G., Agapiou, A., Themistocleous, K., Tsanis, I. K., Michaelides, S., Pashiardis, S., Demetriou, C., Aristeidou, K., Retalis, A., Tymvios, F., and Hadjimitsis, D. G. (2014). GIS and remote sensing techniques for the assessment of land use changes impact on flood hydrology: the case study of Yialias Basin in Cyprus, Nat. Hazards Earth Syst. Sci., 14, 413-426.
26. Alexakis D.D., Agapiou A., Tzouvaras M., Neocleous, K., Michaelides, S., Themistocleous, K., Hadjimitsis, D.G., (2014). Integrated use of Remote Sensing and GIS for monitoring Landslides in transportation pavements: risk assessment study of Paphos area in Cyprus, Natural Hazards,72:119, doi: 10.1007/s11069-013-0770-3
25. Alexakis, D.D., Hadjimitsis, D.G. Agapiou, A., (2013). Integrated use of Remote Sensing, GIS and Precipitation Data for the Assessment of Soil Erosion Rate in the Catchment Area of “Yialias” in Cyprus. Atmospheric Research, 131, pp. 108-124.
24. Alexakis, D.D. and Sarris, A. (2013). Integrated GIS and Remote Sensing analysis for landfill sitting in Western Crete – Greece. Environmental Earth Sciences, pp.1-16, DOI10.1007/s12665-013-2966-y.
23. Agapiou, A.,Alexakis, D. D., Sarris, A., Hadjimitsis, D.G., (2014). Evaluating the potentials of Sentinel-2 for archaeological perspective. Remote Sensing, 6(3), 2176-219.
22. Agapiou A.,Alexakis, D. D., Hadjimitsis D.G., (2014). Spectral sensitivity of ALOS, ASTER, IKONOS, LANDSAT and SPOT satellite sensors intended for the detection of archaeological crop marks, International Journal of Digital Earth, 7(5), 351-372 doi:10.1080/17538947.2012.674159.
21.Alexakis, D. D., Agapiou A., Tzouvaras M., Neocleous, K., Michaelides, S., Themistocleous, K., Hadjimitsis, D.G., (2013). Integrated use of Remote Sensing and GIS for monitoring Landslides in transportation pavements: risk assessment study of Paphos area in Cyprus, Natural Hazards, Journal of the International Society for the Prevention and Mitigation of Natural Hazards, 72(10), 119-141, DOI10.1007/s11069-013-0770-3.
20. Alexakis, D. D., Hadjimitsis, D.G. Agapiou, A., (2013). Integrated use of Remote Sensing, GIS and Precipitation Data for the Assessment of Soil Erosion Rate in the Catchment Area of “Yialias” in Cyprus. Atmospheric Research, 131, pp. 108-124.
19. Agapiou, A.,Alexakis, D. D., Sarris, A., Hadjimitsis, D.G., (2013). Orthogonal reprojection of spectral bands using medium and high resolution satellite images for the detection of archaeological crop marks. Remote Sensing, 5(12), 6560-6586.
18. Agapiou, A., Hadjimitsis, D.G., Sarris, A., Georgopoulos, A.,Alexakis, D. D., (2013). Optimum temporal and spectral window for monitoring crop marks over archaeological remains in the Mediterranean region, Journal of Archaeological Science, 40(3), pp.1479-1492.
17. Hadjimitsis D.G., Agapiou, A.,Alexakis, D. D., Sarris A., (2013). Exploring natural and anthropogenic risk for cultural heritage in Cyprus using remote sensing and GIS, International Journal of Digital Earth, 6(2), 115-142, DOI:10.1080/17538947.2011.602119.
16. Agapiou A., Hadjimitsis, D.,Alexakis, D. D., (2013). Development of an image-based method for the detection of archaeological buried relics using multi-temporal satellite imagery, International Journal of Remote Sensing, 34(16), 5979-5996, DOI:10.1080/01431161.2013.803630.
15. Alexakis D., Agapiou A., Hadjimitsis D. G., Retalis A., (2012). Optimizing statistical classification accuracy of satellite remotely sensed imagery for supporting fast flood hydrological analysis, Acta Geophysica, 60(3), pp. 959 – 984.
14. Alexakis, D.D., Hadjimitsis, D.G., Agapiou, A., Themistocleous, K., Retalis, A., (2012). Monitoring urban land cover using satellite remote sensing techniques and field spectroradiometric measurements: the case study of Yialias catchment area in Cyprus. Journal of Applied Remote Sensing 6(1), 063603. doi:10.1117/1.JRS.6.063603.
13. Agapiou, A., Hadjimitsis, D.G., Alexakis, D.D., (2012). Evaluation of broadband and narrowband vegetation indices for the identification of archaeological crop marks, Remote Sensing, 4 (12), pp. 3892-3919.
12. Agapiou, A., Hadjimitsis, D.G., Alexakis, D.D, Papadavid, G., (2012). Examining the phenological cycle of barley (hordeum vulgare) using satellite and in situ spectroradiometer measurements for the detection of buried archaeological remains. GIScience and Remote Sensing, 49(6), pp. 854-872.
11. Agapiou, A., Hadjimitsis, D.G.,Alexakis, D. D.,Sarris, A., (2012). Observatory validation of Neolithic tells (“Magoules”) in the Thessalian plain, central Greece, using hyperspectral spectroradiometric data. Journal of Archaeological Science, 39 (5): 1499-1512, 10.1016/j.jas.2012.01.001.
10. Themistocleous K., Nisantzi A., Agapiou A.,Alexakis, D. D.,Hadjimitsis D., Lysandrou V., Perdikou S., Retalis A., Chrysoulakis N., (2012). Long term monitoring of air pollution on monuments and cultural heritage sites in Cyprus using satellite remote sensing. International Journal of heritage in the digital Era 1 (1), 145-167.
9. Athos Agapiou, Diofantos G. Hadjimitsis, Andreas Georgopoulos, Apostolos Sarris,Dimitrios D. Alexakis, (2012). Towards an Archaeological Index: Identification of the spectral regions of stress vegetation to buried archaeological remains, Lecture Notes in Computer Sciences (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics),7616 LNCS, pp.129 -138.
8. Kyriakos Themistocleous, Diofantos G. Hadjimitsis, Andreas Georgopoulos, Athos Agapiou,Dimitrios D. Alexakis, (2012). Development of a low altitude airborne imaging system for supporting remote sensing and Photogrammetric Applications in Cyprus. Lecture Notes in Computer Sciences (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics, 7616 LNCS, pp. 494 – 504.
7. Dimitrios Alexakis, Apostolos Sarris, Astaras Theodoros, Albanakis Konstantinos, (2011). Integrated GIS, Remote Sensing and Geomorphologic Approaches for the Reconstruction of the Landscape Habitation of Thessaly during the Neolithic Period. Journal of Archaeological Science, 36(1),doi:10.1016/j.jas.2010.08.013.
6. Agapiou A., Hadjimitsis D.G., Papoutsa C., Alexakis D.D., Papadavid G., (2011). The Importance of Accounting for Atmospheric Effects in the Application of NDVI and Interpretation of Satellite Imagery Supporting Archaeological Research: The Case Studies of Palaepaphos and Nea Paphos Sites in Cyprus. Remote Sensing. 3(12), pp. 2605-2629.
5. Alexakis, D., Sarris, A. (2010). Environmental and human risk assessment of the prehistoric and historic archaeological sites of Western Crete (Greece) with the use of GIS, remote sensing, fuzzy logic and neural networks, Lecture Notes in Computer Sciences (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) 6436 LNCS, pp. 332 -342.
4. Dimitris Alexakis, Apostolos Sarris, Astaras Theodoros, Albanakis Konstantinos. (2009). Detection of Neolithic Settlements in Thessaly, Greece through Multispectral and Hyperspectral Satellite Imagery, Sensors, 9(2), pp.1167-1187.
3. Alexakis, D., Sarris, A., Astaras, Th., Oikonomidis, D. (2008). Geomorphologic and Satellite Imagery Approaches for the Reconstruction of Neolithic Thessaly landscape, Bulletin of Greek Geological Society, Volume XLII/II.
2. Kouli M., Soupios P., Alexakis D., Vallianatos F., (2007). GIS-based morphometric analysis of Keritis and Tauronitis drainage networks, Western Crete, Greece, Journal of Environmental Hydrology, 15, pp. 1-17
1. Kouli M., Vallianatos F., Soupios P., Alexakis D., (2006). A GIS example of Morphometric analysis in tectonic structures of Western Crete, Greece, WSEAS Transactions on ENVIRONMENT and DEVELOPMENT, 9(2), ISSN 1790-5079, pp. 1163-1168.

Publications in book chapters

4. Investigation of ground remote sensing techniques for supporting an early warning Water-Leakage System by Athos Agapiou, Dimitrios D. Alexakis, Kyriakos Themistocleous, Apostolos Sarris, Skevi Perdikou, Chris Clayton and Diofantos Hadjimitsis in the book Integrated Use of Space, Geophysical and Hyperspectral Technologies Intended for Monitoring Water Leakages in Water Supply Networks. Edited byDiofantos G. Hadjimitsis, Athos Agapiou and Kyriacos Themistocleous, ISBN 978-953-51-1729-2, 82 pages, Publisher: InTech, Chapters published November 05, 2014 underCC BY 3.0 license DOI: 10.5772/58836
3. Integrated Remote Sensing and GIS Applications for Sustainable Watershed Management: A Case Study from Cyprus, by Diofantos G. Hadjimitsis, Dimitrios D. Alexakis, Athos Agapiou, Kyriacos Themistocleous, Silas Michaelides and Adrianos Retalis in the book “Remote Sensing of Environment – Integrated Approaches” edited by Diofantos G. Hadjimitsis, ISBN 978-953-51-1152-8, InTech, July 7, 2013,
2. Remote Sensing for Archaeological Applications: Management, Documentation and Monitoring, by Diofantos G. Hadjimitsis, Athos Agapiou, Kyriacos Themistocleous, Dimitrios D. Alexakis and Apostolos Sarris in the book “Remote Sensing of Environment – Integrated Approaches” edited by Diofantos G. Hadjimitsis, ISBN 978-953-51-1152-8, InTech, July 7, 2013.
1. Dimitrios Alexakis, Athos Agapiou, Diofantos Hadjimitsis and Apostolos Sarris (2012). Chapter: Remote Sensing Applications in Archaeology, Remote Sensing / Book 2 ISBN: 979-953-307-876-1, (ISBN 979-953-307-231-8), InTech Book edited by: Boris Escalante.

Papers in Conference Proceedings

44. Alexakis, D.D., Tsanis, I.K., Spatial downscaling of TRMM precipitation using satellite remote sensing data products, EWRA 2015, Istanbul, Turkey, 10-13 June 2015.
43. Tsanis, I.K., Floca, H., Alexakis, D.D., Vozinaki, A.E.K., Katavoutas, G., Iordanidou, V., Palogos, I., Giannakis, G., Panakoulia, S., Morianou, G., Pappa, P., Papadakis, V., “Remote Sensing Meteorological Data Fusion for effective flood mitigation and forecasting over Mediterranean”, EWRA 2015 , Istanbul, Turkey, 10-13 June 2015.
42. D. Alexakis, A. Sarris, N. Papadopoulos, P. Soupios, M. Doula and V. Kavvadias (2014). An integrated geoinformatic approach for monitoring land pollution from the disposal of olive oil mill wastes in Proceedings of the Second International Conference on Remote Sensing and Geoinformation of Environment – RSCy2013, April 7-10, 2014, Paphos, Cyprus
41. Agapiou, A. Sarris, D.D. Alexakis, K. Themistocleous, C. Papoutsa and D.G. Hadjimitsis (2014). Satellite-Derived land use changes along the Xin’an river watershed for supporting water quality investigation for potential fishing grounds in Qiandao Lake, China in Proceedings of the Second International Conference on Remote Sensing and Geoinformation of Environment – RSCy2013, April 7-10, 2014, Paphos, Cyprus.
40.N. Argyriou, A. Sarris, D. D. Alexakis, A. Agapiou, K.Themistocleous, V. Lysandrou and D.G. Hadjimitsis (2014). Hazard analysis of active tectonics through geomorphometric parameters to cultural heritage sites conservation, the case studies of Paphos in Cyprus in Proceedings of the Second International Conference on Remote Sensing and Geoinformation of Environment – RSCy2013, April 7-10, 2014, Paphos, Cyprus.
39. N. Papadopoulos, A. Sarris, M. Manataki, A. Agapiou, D.G. Hadjimitsis, K.Themistocleous, D. Alexakis, H. Phinikaridou and A. Manoli (2014) Monitoring of waterleakages from pipes through geophysical imaging in Proceedings of the Second International Conference on Remote Sensing and Geoinformation of Environment – RSCy2013, April 7-10, 2014, Paphos, Cyprus
38. Alexakis D.D., Koutroulis, A.G., Grillakis, M., Agapiou, A., Themistocleous, K., Tsanis, I., (2013). Using spatio-temporal Markov model for flood mapping: the case study of Yialias River in Cyprus, SPIE Remote Sensing Conference, 22-26 September 2013, Dresden, Germany.
37. Alexakis D.D., Agapiou, A, Themistocleous, K, Retalis A., Hadjimitsis D. G., (2013). Using ERS-2 and ALOS PALSAR images for soil moisture and inundation mapping in Cyprus”, in Proceedings of the First International Conference on Remote Sensing and Geoinformation of Environment – RSCy2013, April 8-10, 2013, Paphos, Cyprus.
36. Alexakis D.D., Agapiou, A, Lysandrou, V., Sarris, A., Hadjimitsis D.G., (2013) Natural and human hazard assessment of the archaeological sites of Paphos area (Cyprus) with the use of Remote Sensing and GIS, International Congress of the Geological Society of Greece, September 5-8, Chania-Crete, Greece.
35. Grillakis M.G., Koutroulis A.G., Tsanis I.K., Alexakis D.D., Hadjimitsis D.G., “Examination of land use change effect on extreme hydrological events. A case study of Gialias basin in Cyprus., EGU2013-4519, Vienna, Austria, 07 – 12 April 2013
34. Agapiou A., Alexakis D.D., Kourtis, N., Sarris, A., Perdikou, P., Hadjimitsis D.G. (2013). “Variations of Spectral signature profiles of wet and dry targets for supporting the detection of water-leakages using satellite data”, SPIE Remote Sensing Conference, 22-26 September 2013, Dresden, Germany.
33. Agapiou, A., Toulios, L., Themistocleous, K., Perdikou, P., Alexakis D.D., Sarris, A., Toulios, E., Foinikaridou, E., Manolis, A., Hadjimitsis D.G., (2013). Use of satellite derived vegetation indices for the detection of water pipeline leakages in semiarid areas’, in Proceedings of the First International Conference on Remote Sensing and Geoinformation of Environment – RSCy2013, April 8-10, 2013, Paphos, Cyprus.
32. Agapiou, A., Nisatzi, A., Lysandrou, V., Mamouri, R.E., Alexakis, D.D., Themistocleous, K., Sarris, A., Hadjimitsis, D.G., “Mapping air pollution using Earth Observation techniques for cultural heritage”, in Proceedings of the First International Conference on Remote Sensing and Geoinformation of Environment – RSCy2013, April 8-10, 2013, Paphos, Cyprus.
31. Agapiou A., Alexakis D.D., Lysandrou V., Themistocleous K., Hadjimitsis D.G., (2013). Monitoring urban sprawl in the vicinity of Cultural Heritage Sites using Geoinformatics: the case study of the Paphos district, SW Cyprus, 2nd Cyprus Safety Platform Symposium in Man-Made Catastrophes, 30 January 2013, Nicosia – Cyprus.
30. Dimitrios D. Alexakis, Diofantos G. Hadjimitsis, Athos Agapiou, Kyriakos Themistocleous, Adrianos Retalis, Silas Michaelides, Stelios Pashiardis, Filippos Tymvios. (2012). Flood mapping of Yialias River catchment area in Cyprus using ALOS PALSAR radar images. In Proceedings of SPIE, 8531, Remote Sensing for Agriculture, Ecosystems and Hydrology XIV, 85310S (October 19, 2012); doi: 10.1117/12.974581.
29. Alexakis D.D., Hadjimitsis D.G., Michaelides, S., Tsanis, I., Retalis, A., Demetriou C., Agapiou A., Themistokleous K., Pashiardis, S., Aristeidou K., Tymvios F., (2012). Application of GIS and Remote Sensing Techniques for Flood Risk Assessment in Cyprus, COMECAP 2012 (International Conference on Meteorology, Climatology and Atmospheric Physics), Athens 30 May – 1 June 2012.
28. Alexakis D.D, Hadjimitsis D.G, Agapiou A., (2012). Estimating Flash Flood Discharge in a Catchment Area with a Hydraylic model and Terrestrial Laser Scanner, COMECAP 2012 (International Conference on Meteorology, Climatology and Atmospheric Physics), Athens 30 May – 1 June 2012 .
27. Alexakis D. D., Hadjimitsis D.G., Agapiou A., Themistocleous K., (2012). Assessing soil erosion rate in a catchment area in Cyprus using remote Sensing and GIS, 32nd EARSel (European Association of Remote Sensing Laboratories) Symposium, Mykonos, Greece, 21-24 May 2012.
26. Alexakis D. D., Hadjimitsis D.G., Agapiou A. , Retalis A Development of methodology for the optimization of classification accuracy of Landsat TM/ETM+ imagery in a catchment area in Cyprus, 32nd EARSel (European Association of Remote Sensing Laboratories) Symposium, Mykonos, Greece, 21-24 May 2012 .
25. Athos Agapiou, Diofantos G. Hadjimitsis, Andreas Georgopoulos, Apostolos Sarris, Dimitrios D. Alexakis, (2012). Towards an Archaeological Index: Identification of the spectral regions of stress vegetation to buried archaeological remains, Euromed 2012, pp. 129 -138.
20. Kyriakos Themistocleous, Diofantos G. Hadjimitsis, Andreas Georgopoulos, Athos Agapiou, Dimitrios D. Alexakis. (2012). Development of a low altitude airborne imaging system for supporting remote sensing and Photogrammetric Applications in Cyprus. Euromed 2012, pp. 494 –504.
24. Italos, C., Hadjimitsis D.G., Alexakis, D.D., Agapiou, A., Nisantzi, A., (2012). Integrated use of satellite remote sensing and GIS for the development of a sophisticated sustainability index for urban areas : a case study of Paphos city (Cyprus). 32nd EARSel (European Association of Remote Sensing Laboratories) Symposium, Mykonos, Greece, 21-24 May 2012.
23. Agapiou A., Hadjimitsis D.G., Sarris A. , Georgopoulos A., Alexakis D. D., (2012). Linear spectral un-mixing for the detection of Neolithic settlements in the Thessalian plain, North Greece. 32nd EARSel (European Association of Remote Sensing Laboratories) Symposium, Mykonos, Greece, 21-24 May 2012.
22. Agapiou A., Hadjimitsis D.G., Nisantzi A. , Alexakis D.D., Themistocleous K. , Papadavid G. (2012). Variability of field spectroradiometric measurements using nearly Lambertian surfaces and auxiliary Lidar observations, 32nd EARSel (European Association of Remote Sensing Laboratories) Symposium, Mykonos island, Greece, 21-24 May 2012.
21. Alexakis D., Hadjimitsis D.G, Agapiou A., Themistocleous K., Retalis A., (2011). The contribution of earth observation to flood risk assessment in Cyprus: the case study of Yialias catchment area in Nicosia, VI EWRA International Symposium, Water Engineering and Management in a Changing Environment, Catania, Italy, June 29th – July 2nd, 2011.
20. Dimitris Alexakis, Diofantos Hadjimitsis, Athos Agapiou, Kyriacos Themistocleous, Adrianos Retalis, (2011). Monitoring urban land cover with the use of satellite remote sensing techniques as a means of flood risk assessment in Cyprus, SPIE Remote Sensing Conference, Prague 19-22 September.
19. Hadjimitsis D.G, Papadavid G., Agapiou A., Alexakis D., Papoutsa C., (2011). Irrigation water management in Cyprus using earth observation and GIS, VI EWRA International Symposium, Water Engineering and Management in a Changing Environment, Catania, Italy – JUNE 29th — JULY 2nd, 2011.
18. Christiana Papoutsa, Diofantos Hadjimitsis, Dimitrios Alexakis., (2011). Characterizing the spectral signatures and optical properties of dams in Cyprus using fielspectroradiometric measurements, SPIE Remote Sensing Conference, Prague 19-22 September 2011.
17. Nisantzi Argyro, Hadjimitsis Diofantos, Alexakis Dimitrios, (2011). Estimating the relationship between aerosol optical thickness and PM10 using lidar and meteorological data in Limassol, Cyprus, SPIE Remote Sensing Conference, Prague 19-22 September 2011.
Themistocleous, K., Hadjimitsis, D., Retalis, A., Chrysoulakis, N., Alexakis, D., (2011). Determination of the aerosol optical thickness through the atmospheric path radiance component obtained from the application of the pseudo-invariant target atmospheric correction method, 31st Earsel Symposium and 35th General Assembly. Prague, Czech Republic, 30 May 2011.
15. Agapiou A., Alexakis D., Hadjimitsis D.G. & Themistocleous K., (2011). Earth Observations and Ground Measurements for Cultural Heritage Protection: the Case Study of Cyprus, 1st International Conference on Safety and Crisis Management in the Construction, SME and Tourism Sectors, June 24th – 28th 2011, Nicosia, Cyprus.
14. Alexakis, D., Sarris, A., (2010). Environmental and Human Risk Assessment of the Prehistoric and Historic Archaeological Sites of Western Crete (Greece) with the Use of GIS, Remote Sensing, Fuzzy Logic and Neural Networks, Euromed2010 – Digital Heritage, Lemesos, Cyprus, 2010.
13. Alexakis, D. & Sarris, (2010). Siting of Municipal Solid Waste Landfill in Western Crete with the use of Geographical Information Systems and Satellite Remote Sensing. 6th Panhellenic Congress of Greek Society of Geographical Information Systems, Athens, 2010.
12. Alexakis, D., Sarris, A., Th. Astaras, Albanakis, K. & Oikonomidis, D., (2008). Contribution of Satellite Imagery and DEMs to the Detection of
Neolithic Settlements in Thessaly, Greece, Proceedings of the 1^st International EARSeL Workshop on Advances on Remote Sensing for Archaeology and Cultural Heritage Management, ed. By R. Lasaponara & N. Masini, CNR, Aracne editrice S.r.l., 1st edition, Rome, pp. 325-328.
11. Alexakis, D., Sarris, A., Astaras, Th., Oikonomidis, D., (2008). Detection of Neolithic Settlements in Thessaly, Greece Through Multispectral and Hyperspectral Satellite Imagery. Submitted to CAA 2008, Computer Applications and Quantitive Methods in Archaeology, Budapest, Hungary, April 4-6, 2008.
10. D. Alexakis, A. Sarris, Th. Astaras, K. Albanakis., (2008) GIS, Satellite imagery and Geomorphological methodologies for the geoarchaeological research of Neolithic Thessaly. 5th H.S.A. Symposium 2008, 8-10 October, Athens.
9. Alexakis, D., Sarris, A., Astaras, Th., Oikonomidis, D., (2008). Geomorphologic and Satellite Imagery Approaches for the Reconstruction of Neolithic Thessaly landscape, 13th Belgium-France-Italy-Romania Geomorphological Meeting – Landscape Evolution & Geoarchaeology, Porto Heli, Greece, June 18-21, 2008.
8. Alexakis, D., Astaras, Th., Sarris, A., Vouzaxakis & L. Karimali, (2007). Reconstructing the Neolithic Landscape of Thessaly through a GIS and
Geological Approach, in A. Posluschn, K. Lambers & I. Herzog (eds.), /Layers of Perception. Proceedings of the 35th International Conference
on Computer Applications and Quantitative Methods in Archaeology/ (CAA), Berlin,Germany, April 2–6, 2007. p. 411.
7. Sarris, A., Papadopoulos, N., Trigkas, V., Kokkinou, E., Alexakis, D., Kakoulaki, G., De Marco, E., Seferou, E., Shen, G., Karaoulis, M., Simirdanis, K., Kondili, F., Katifori, M., Dogan, M., Lolos, Y., Kalpaxis, Th., (2007). Recovering the Urban Network of Ancient Sikyon Through Multi-component Geophysical Approaches, in A. Posluschn, K. Lambers & I. Herzog (eds.), /Layers of Perception. Proceedings of the 35th International Conference on Computer Applications and Quantitative Methods in Archaeology/ (CAA), Berlin, Germany, April 2–6, 2007. Vol. 10, pp. 11-16,
6. Kouli M., Vallianatos F., Soupios P., Alexakis D., (2006). A GIS example of morphometric analysis in tectonic structures of Western Crete, Greece, submitted to the 4th WSEAS International Conference on Environment, Ecosystems and Development (EED ’06), Venice, Italy, November 20-22
5. Kouli M., Alexakis D., Vallianatos F., Soupios, P., Sarris, A., Xepapadaki A., Zoumpouloglou N., (2005). Integration of Geographic Information Systems in Technological Education; an example in the geoenvironmental sciences, 3rd WSEAS/IASME International Conference on Engineering Education (EE’05), July 2005, Vouliagmeni Athens, pp.487-492.
4. Vallianatos, F., Makris, J. P., Soupios, P., Saltas, V., Papadopoulos, I., Hloupis, G., Kouli, M., Alexakis, D., Kokkinou, E., Nikolintaga, I., Kalisperi, D., Moisidi., M., (2005). Coupling GeoEnvironmental Research & Education: Examples from the Technological Educational Institute of Crete, 3rd WSEAS/IASME International Conference on Engineering Education (EE’05), July 2005, Vouliagmeni Athens, pp.503-510.
3. Kouli M., Alexakis D., Vallianatos F., Papakostas, T., (2005). Geoinformation Technology: An invaluable teaching tool for geomonitoring. An example from the new-established Laboratory of Geoinformation, Department of Natural Resources & Environment, Technological Education Institute of Crete, 3rd WSEAS/IASME International Conference on Engineering Education (EE’05), July 2005, Vouliagmeni Athens.
2. Kouli M., Alexakis D., Vallianatos F., (2005). E-Learning project in GIS education, 3rd WSEAS/IASME International Conference on Engineering Education (EE’05), July 2005, Vouliagmeni Athens.
1. Alexakis, D., Astaras, A. and Oikonomidis, D., 2004: “Multitemporal monitoring of the evolution of the quarry on Mount Kamila and the broader area, with the help of Remote Sensing and GIS”. Proceedings of the 7th Pan-Hellenic Geographical Congress, Mytilini, 16-18/10/2004, pp 446-454.

Extended Abstracts in Conference Proceedings

12. Alexakis, D.D., Seiradakis, K.D, Tsanis, I.K., (2016).Using Unmanned Aerial Vehicle (UAV) for spatio-temporal monitoring of soil erosion and roughness in Chania, Crete, Greece, Geophysical Research Abstracts, Vol. 18, EGU2016-11937.
11. Alexakis, D.D., Daliakopoulos, I.N., Panagea, I.S., Tsanis, I.K., (2016). Assessing Soil Salinity with the use of WorldView-2 Hyperspectral Images in Timpaki, Crete. Geophysical Research Abstracts, Vol. 18, EGU2016-15418.
10. Mexis, P.D., Alexakis, D.D., Daliakopoulos I.N, Tsanis, I.K., (2016). Using Sentinel-1 and Landsat 8 satellite images to estimate surface soil moisture content, Geophysical Research Abstracts, Vol. 18, EGU2016-13782.
9. Daliakopoulos, I., Alexakis, D.D., Panagea, I., Tsanis, I.K., (2015).Assessing Soil Salinity with the use of WorldView-2 Hyperspectral Images in Timpaki, Crete, EGU 2015, Vienna, Austria, 12-17 April, 2015.
8. Vozinaki A.E.K., Alexakis D.D., Tsanis I.K., Pappa, P., (2015).Hydrologic Simulation in Mediterranean flood prone Watersheds using high-resolution quality data, EGU 2015, Vienna, Austria, 12-17 April, 2015.
7. Agapiou, A., Alexakis D.D., Sarris, A., Hadjimitsis, D.G., (2013).Contribution of ground spectroscopy to archaeological research, AARG Conference, 26-28 September 2013, Amersfoort, Netherlands.
6. Alexakis D.D., Hadjimitsis D.G., Agapiou A., Retalis, A., Themistocleous K., Michaelides S, Pashiardis S., (2012). Development of methodology for the optimization of classification accuracy of Landsat TM/ETM+ imagery for supporting fast flood hydrological analysis EGU General Assembly 2012.
5. Hadjimitsis, D., Alexakis, D., Michaelides, S., Retalis, A., Tsanis, I., Demetriou, C., Agapiou, A., Themistokleous, K., Pashiardis, S., Tymvios, F., (2011). SATFLOOD project: An integrated use of satellite remote sensing and hydraylic modeling for the flood risk assessment at a catchment scale in Cyprus. Geophysical Research AbstractsVol. 13, EGU2011-14142, 2011 EGU General Assembly 2011.
4. Despina Kalisperi, Ilias Papadopoulos, Maria Kouli, Dimitris Alexakis, Pantelis Soupios, Steve Kershaw, John Makris and Filippos Vallianatos. (2008). Groundwater management of coastal aquifer applying geophysical and geological information, IHP 2008 Capri The Role of Hydrology in Water Resources Management, October 13-16, 2008.
3. Pantelis Soupios, Maria Kouli, Dimitris Alexakis, Asimina Kanta, Derek Rust and Filippos Vallianatos. (2008). An integrated approach for the representation of potential groundwater zone using satellite and geophysical data, IHP 2008 Capri The Role of Hydrology in Water Resources Management, October 13-16, 2008.
2. Kouli M., Alexakis D., Soupios P., Vallianatos F., (2005). GIS-based morphometric analysis of Keritis and Tauronitis drainage networks, Western Crete, Greece, Poster submitted in the Applied Geophysics for Engineering, October 13-16, Messina Italy
1. Alexakis, D., Astaras, A. and Oikonomidis, D., 2004: “Multitemporal monitoring of the evolution of the quarry on Mount Kamila with the help of GIS” 13th Pan Hellenic Meeting of ArcGIS users, Thessaloniki, 2003.

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