Research

Simulation of seismic wave propagation
Simulation of wave propagation using (2,4) finite difference solvers for acoustic and elastic wave equations, One way wave equation and sponge filters for absorbing boundaries, Seismic reflection data simulation both land and marine surveys with receivers at the surface of the earth or in boreholes, Velocity model building.
Multi Channel Analysis of Surface Waves (MASW)
Inversion using  the dispersion curves of Surface Waves (MASW) and a variety of techniques, Data transform from (x-t) to (v-f) domain.
GPR data processing
Trace Balancing using the S-transform, Attribute Analysis, Classification methods, 3D Time migration .
Seismic reflection data processing
Deghosting, Time varying band pass filtering, Multiple removal,  Imaging near boreholes.
Geophysical data inversion techniques
Seismic tomography,  Resistivity data inversion, Joint inversion of electrical and seismic data, Electromagnetic and magnetic data processing techniques.
Seismic reflection imaging
Seismic reflection tomography, Reverse Time Migration using the one way wave equation.

Publications

162. Partsinevelos, P., Kritikakis, G., Economou, N., Agioutantis, Z., Tripolitsiotis, A., Mertikas, S. and Vafidis, A., 2016, Integration of seismic and image data processing for rockfall monitoring and early warning along transportation networks, Natural Hazards, 83, 1, 133-153.

161. Panagopoulos G., E. Manoutsoglou, A. Vafidis, P. Soupios and S. Bellas, 2015, Subsurface structure of Tympaki basin (Crete, Greece) based on well and geophysical data, 8th Congress of the Balkan Geophysical Society, Chania, Crete, Greece.

160. Candansayar M.E., I. Demirci, A. Vafidis, P. Soupios, N. Economou, N. Andronikidis, H. Arslan, 2015, Two dimensional joint inversion of seismic refraction, radiomagnetotelluric and DC resistivity data: an example from Bafra plain, Turkey, 8th Congress of the Balkan Geophysical Society, Chania, Crete, Greece.

159. Andronikidis A., G.S. Kritikakis, Z. Agioutantis, A. Vafidis, C. Steiakakis, C. Papageorgiou, P. Schilizzi, P. Tsourlos and G. Vargemezis, 2015, Mapping the bedrock using ERT for slope stability studies at Mavropigi lignite open pit mine, Northern Greece, 8th Congress of the Balkan Geophysical Society, Chania, Crete, Greece.

158. Gerodimou K., P. Kirmizakis, P. Soupios and A. Vafidis, 2015, Preliminary results from lab experiments on the use and sensitivity of Spectral Induced Polarization (SIP) method, 8th Congress of the Balkan Geophysical Society, Chania, Crete, Greece.

157. Hamdan H., E. Candansayar, I. Demirci, N. Economou, N. Andronikidis, H. Arslan, P. Soupios and A. Vafidis, 2015, Imaging the saline/fresh water interface at Bafra, Turkey using joint inversion of seismic refraction and ERT data, 8th Congress of the Balkan Geophysical Society, Chania, Crete, Greece.

156. Manataki M., A. Sarris and A. Vafidis, 2015, Employing CEEMD for improving GPR images: A case study from a Neolithic settlement in Thessaly, Greece, 8th Congress of the Balkan Geophysical Society, Chania, Crete, Greece.

155. Spanoudakis N., A. Vafidis and C. Bourbou, 2015, GPR survey at the Venetian fortification walls of Chania, 8th Congress of the Balkan Geophysical Society, Chania, Crete, Greece.

154. Andronikidis A., M. Gialitaki, A. Mouchou, G. Kritikakis, E. Manoutsoglou and A. Vafidis, 2015, Imaging Folegandros basin by using seismic reflection data from a part of seismic line AEG-1, 8th Congress of the Balkan Geophysical Society, Chania, Crete, Greece.

153. Vafidis A., N. Andronikidis, H. Hamdan, I. Pyliotis, G. Panagopoulos, E. Manoutsoglou, L. Kikidis and N. Botos, 2015, Imaging of Alpine and Post-Alpine formations using ERT at Loutsa- Remeri open pit mine, Scourta, Viotia, Greece, 8th Congress of the Balkan Geophysical Society, Chania, Crete, Greece.

152. Spanoudakis N., A. Vafidis, A. Paganis, N. Andronikidis, N. Hatzidakis and V. Niniou-Kindeli, 2015, Geophysical survey at the area of the ancient theater of Aptera, 8th Congress of the Balkan Geophysical Society, Chania, Crete, Greece.

151. Economou N., G. Kritikakis, A. Tripolitsiotis, P. Partsinevelos, G. Vlachou, Z. Agioutantis and A. Vafidis, 2015, Seismic monitoring for automatic rockfall detection along transportation corridor, 8th Congress of the Balkan Geophysical Society, Chania, Crete, Greece.

150. Loupasakis C., Tsangaratos P., Rozos D., Rondoyianni Th., Vafidis A., Kritikakis G., Steiakakis M., Agioutantis Z. , Savvaidis A., Soupios P., Papadopoulos I., Papadopoulos N., Sarris A., Mangriotis M-D. and Dikmen U., (2015) Cross validation of ge otechnical and geophysical site characterization methods. near surface data from selected accelerometric stations in Crete (Greece). Proc. of RSCy 2015 – Third International Conference on Remote Sensing and Geoinformation of Environment. Ed: Hadjimitsis D., Themistocleous K., Michaelides S., Papadavid G., Proc. of SPIE Vol. 9535, 95351T-1.

148. Loupasakis C., Tsagaratos P., Rozos D., Rondoyanni Th., Vafidis A., Steiakakis M., Agioutantis Z., Savvaidis A., Soupios P., Papadopoulos I., Papadopoulos N., Sarris A., Mangriotis M-D, Dikmen U.f, (2015) Near surface geotechnical and geophysical data cross validated for site characterization applications. The cases of selected accelerometric stations in Crete island (Greece). EGU General Assembly 2015, Geophysical Research Abstracts, Vol. 17, EGU2015-7442.

147. Tsangaratos P., Loupasakis C., Rozos D., Rondoyanni Th., Vafidis A., Savvaidis A., Soupios P., Papadopoulos N., Sarris A., (2015) The importance of geological data and derived information in seismic response assessment for urban sites. An example from the Island of Crete, Greece. EGU General Assembly 2015, Geophysical Research Abstracts, Vol. 17, EGU2015-13047.

146. Loupasakis C., Tsagaratos P., Rozos D., Vafidis A., Steiakakis M., Savvaidis A., Soupios P., Papadopoulos I., Papadopoulos N., Sarris A., Mangriotis M.-D., Dikmen U. (2015) Site characterization of selected accelerometric stations’ sites in Crete island (Greece) founded on rock and soft rock formations. Proc. of 11th EURO-conference on Rock Physics and Geomechanics 2015, pp.75.

145. Manataki M., Vafidis, A. & Sarris, A. Combining CEEMD and Predictive Deconvolution for the suppression of multiple reflections and coherent noise on GPR signals. 8th International Workshop on Advanced Ground Penetrating Radar, Universita di Firenze, 7 – 10 July 2015. (2η θέση στο βραβείο Young Scientist Award).

144. Economou, N., Vafidis, A., Benedetto, F., and Alani, A., 2015, GPR Data Processing Techniques, invited chapter in the book entitled “Civil Engineering Applications of Ground Penetrating Radar”, Springer ISBN 978-3-319-04812-3.

143. Kourgialas N., Dokou Z., Karatzas G.P., Panagopoulos G., Soupios, P., Vafidis, A., Manoutsoglou E., Schafmeister M., (2015), Saltwater intrusion in an intensively irrigated agricultural area: combining density-dependent modeling and geophysical methods, Environmental Earth Sciences, in press.

142. Vafidis A., Steiakakis M., Agioutantis Z., Andronikidis N., Kritikakis G., Economou N., Pandi K., Spanoudakis N., Savvaidis A., Margaris B., Theodoulidis N., Lekidis V., Karakostas Ch., Mangriotis M-D., Kalogeras I., Koutrakis S., Rozos D., Loupasakis C., Rondoyanni Th., Tsangaratos P., Dikmen U., Papadopoulos N., Sarris A., Soupios P., Kokkinou E., Papadopoulos I., Kouli M., and Vallianatos F., (2013). “GEO-CHARACTERIZATION” of selected areas in Crete, Greece, towards realistic assessment of seismic design actions. Proceedings of the 13th International Congress of the Geological Society of Greece, Bulletin of the Geological Society of Greece, vol. XLVII, Pre-Congress Proceedings’ CD – Paper Number 326.

141. Στειακάκης Ε., Λαζαρόπουλος Α., Βαφείδης Α., Αγιουτάντης Ζ., Βαβαδάκης Δ., (2014), Προσδιορισμός της ακαμψίας εδαφικού γεωϋλικού με εργαστηριακές δοκιμές και γεωφυσικές μετρήσεις πεδίου», 7ο Πανελλήνιο Συνέδριο Γεωτεχνικής Μηχανικής, Αθήνα.

140. Vafidis, A., P. Soupios, G. Kritikakis, N. Andronikidis, N. Economou, H. Hamdan, E. Manoutsoglou, E. Steiakakis, E. Candansayar, M.T. Schafmeister and M. Kritsotakis, (2014), Salt Water Intrusion Imaging at Tybaki (Greece) Using Geophysical Methods, Near Surface Geoscience 2014 – 20th European Meeting of Environmental and Engineering Geophysics.

139. Vafidis, A., N. Economou, G. Kritikakis, E. Manoutsoglou, G. Vargemezis, P. Tsourlos, A. Fotiadis, E. Antonopoulos and A. Tzirita, (2014), Void Detection at Chania Airport by Combining ERT and Borehole Data, Near Surface Geoscience 2014 – 20th European Meeting of Environmental and Engineering Geophysics.

138. Savvaidis, Α., G. Kritikakis, I. Papadopoulos, N. Papadopoulos, U. Dikmen, M.D. Mangriotis  P. Soupios  & A. Vafidis, (2014),  Different Processing and Inversion Methods for Resolving Vs Profiles in Engineering Geophysics Using Surface Wave Data, Near Surface Geoscience 2014 – 20th European Meeting of Environmental and Engineering Geophysics.

137. Savvaidis A., Margaris B., Theodoulidis N., Lekidis V., Karakostas Ch., Loupasakis C., Rozos D., Soupios P., Mangriotis M-D., Dikmen U., Tsangaratos P., Kokinou E., Vafidis A., Rondoyanni Th., Kalogeras I., Koutrakis S., Sarris A., Papadopoulos N. (2014) Geo-Characterization at selected accelerometric stations in Crete (Greece) and comparison of earthquake data recordings with EC8 elastic spectra, Central European Journal of Geosciences, Versita-Springer, 6:1, pp 88-103.

136. Karakostas Ch., Savvaidis Al., Lekidis V., Margaris B., Theodoulidis N., Vafidis A., Loupasakis C., Soupios P., Papadopoulos N. (2014) A proposal for accelerometric station validation procedures: application to representative sites in Crete (Greece). Second European Conference on Earthquake Engineering and Seismology.

135. Kritikakis G., Vafidis, A., Papakonstantinou, K., and O’Neill, A., (2014), Comparative study of different inversion techniques applied on Rayleigh surface waves dispersion curves, Near Surface Geophysics, 12, 361-371.

134. Hamdan, H., Andronikidis, Ν., Kritikakis, G.,  Economou, Ν., Agioutantis, Ζ., Schilizzi, P., Steiakakis, C., Papageorgiou, C., Tsourlos, P.,  Vargemezis, G., and Vafidis, A., (2014), Contribution of electrical tomography methods in geotechnical investigations at Mavropigi lignite open pit mine, Northern Greece, Environmental Earth Sciences,72, 5, 1589-1598.

133. Manataki, M, Vafidis, A., and Sarris A, (2014), Application of empirical mode decomposition methods to ground penetrating radar data, First Break, 32, 8, 67-71.

132. Vafidis, A. Soupios, P., Economou, N., Hamdan, H., Andronikidis, N., Kritikakis, G., Panagopoulos, G., Manoutsoglou, E., Steiakakis, E., Candansayar, E., and Schafmeister, M., (2014), Seawater intrusion imaging at Tybaki, Crete, Greece, using geophysical data and joint inversion of electrical and seismic data, First Break, 32, 8, 107 – 114.

131. Pantelis Soupios, Nektarios Kourgialas, Zoi Dokou, George Karatzas, George Panagopoulos, Antonis Vafidis, Emmanuil Manoutsoglou, (2014), Modeling Saltwater Intrusion at an Agricultural Coastal Area using Geophysical Methods and the FEFLOW Model, IAEG XII Congress, 15-19 September, Torino, ITALY.

130. Hamdan, H., A. Vafidis, Z. Agioutantis and E. Sharif, (2013), Contribution of Electrical Tomography in estimating slope stability at Mavropigi lignite open pit mine, Northern Greeece, Second International Conference on Engineering Geophysics 24-27 November 2013, Al Ain, United Arab Emirates, 238-241

129. Savvaidis A., Margaris B., Theodoulidis N., Lekidis V., Karakostas Ch., Mangriotis M-D., Kalogeras I., Koutrakis S., Vafidis A., Steiakakis M., Agioutantis Z., Rozos D., Loupasakis C, Rondoyianni Th., Tsagaratos P., Dikmen U., Papadopoulos N., Sarris A., Soupios P., Kokkinou E., Papadopoulos I., Kouli M. and Vallianatos F., (2013), GEO-CHARACTERIZATION ACCORDING TO RECENT ADVANCES OF EUROCODE (EC8), First International Conference on Remote Sensing and Geoinformation of Environment, 8-10 April 2013, Paphos, Cyprus. Received the BEST PAPER AWARD.

128. Emin Candansayar , İsmail Demirci, Antonis Vafidis, Pantelis Soupios, (2013), Investigation of Salt Water Intrusion with Joint Inversion of Direct Current Resistivity and Seismic Refraction Data, accepted for oral presentation to 20th International Geophysical Congress and Exhibition of Turkey, 25-27 November, Antalya, Turkey.

127. Vafidis, A., N. Andronikidis, H. Hamdan, G. Kritikakis, N. Economou, G. Panagopoulos, P. Soupios, E. Steiakakis & E. Manoutsoglou, (2013), The CLEARWATER project: preliminary results from the geophysical survey in Tympaki, Crete, Greece, EGE13, Chania.

126. Panagopoulos, G., E. Giannakakos, E. Manoutsoglou, E. Steiakakis, P. Soupios &  A. Vafidis, (2013), Definition of inferred faults using 3D geological modeling techniques: a case study in Tybaki basin in Crete, Greece, EGE2013, Chania.

125.Vafidis, A. N. Andronikidis, H. Hamdan, G. Kritikakis, N. Economou, G. Panagopoulos, S. Zanettidis, D. Merziotis, S. Pateras, E. Nikoforakis & J.P. Blais, (2013), Rock characterization for the foundation of two water reservoirs using geophysical and borehole data, EGE2013, Chania.

124. Vafidis, A.,M. Steiakakis, Z. Agioutantis, A. Savvaidis, B. Margaris, N. Theodoulidis, V. Lekidis, Ch. Karakostas, I. Kalogeras, S. Koutrakis, D. Rozos, C.  Loupasakis, Th. Rondoyianni, P. Tsagaratos, U. Dikmen, N. Papadopoulos, A. Sarris, P. Soupios, E. Kokkinou, I. Papadopoulos, M. Kouli & F. Vallianatos, (2013), Geo-characterization of selected areas in Crete [Greece] towards realistic assessment of seismic design actions, EGE2013, Chania.

123. Steiakakis, E. Vafidis, A., Manoutsoglou, M., and Vavadakis, D., (2013), Influence of geological and geotechnical conditions to design a water reservoir in karst area, EGE2013, Chania.

122. Koutsoupakis, Ι., D. Raptakis, P. Soupios, and A. Vafidis, (2013), Preliminary Vs30 spatial distribution of Chania city, Greece based on MAM measurements, submitted to 20th International Geophysical Congress and Exhibition of Turkey, 25-27 November 2013, Antalya, Turkey.

121. Vafidis, A., H. Hamdan, N. Andronikidis, G. Kritikakis, and N. Economou, (2013), Imaging of karstic carbonates using electrical resistivity data at Malia, Crete, Greece, 7th Congress of the Balkan Geophysical Society, Tirana, Albania.

120. Economou, N., Vafidis, A., and Benedetto, F., (2013), Development of advanced GPR data processing techniques. State of the art and open issues, Invited paper for the Book of the First Meeting of the COST ACTION TU1208, entitled CIVIL ENGINEERING APPLICATIONS OF GROUND PENETRATING RADAR.

119. Vafidis, A., Andronikidis, N., Economou, N., Panagopoulos, G., Zelilidis, A., and Manoutsoglou, E., (2012), Reprocessing and interpretation of seismic reflection data at Messara Basin, Crete, Greece, Journal of the Balkan Geophysical Society, 15, no 2, 31-40.

118. Hamdan, H, and Vafidis, A., (2013), Joint inversion of 2D resistivity and seismic travel time data to image saltwater intrusion over karstic areas, Environmental Earth Sciences, 68, 7, 1877-1885.

117. Πασαδάκης Ν., Νταγκουνάκη Β., Χαμηλάκη Ε., Βαφείδης Α., Ζεληλίδης Α., Πυλιώτης Ι., Παναγόπουλος Γ. & Μανούτσογλου Ε. (2012): Οργανική γεωχημική μελέτη σχηματισμών του Nεογενούς στη λεκάνη της Μεσσαράς Ηρακλείου Κρήτης, ως μητρικών πετρωμάτων βιογενούς μεθανίου. – Paper, Ορυκτός Πλούτος/Mineral Wealth, τευχ.166, 7-26.
116. Andronikidis, N., Kritikakis, G., Papathanasiou, H, Vafidis, A., Panagopoulos G., and Manoutsoglou, E., (2012), Subsurface spatial data and their use in infrastructures, 12th National Cartographic Conference, Hellenic Cartographic Society, 10-12 October, Kozani, Greece.

115. Hamdan, H., Economou N., Kritikakis, G., Andronikidis, N., Manoutsoglou E., Vafidis, A., Pangratis, P., and Apostolidou, G., (2012), 2D and 3D imaging of the metamorphic carbonates at Omalos plateau/polje, Crete, Greece by employing independent and joint inversion on resistivity and seismic data, Journal of Speleology, 41, 2, 199-209.

114. Economou, N., and Vafidis, A., (2012), GPR data time varying deconvolution by kurtosis maximization, Journal of Applied Geophysics, 81, 117-121.

113. Manoutsoglou E., Hamdan H., Vafidis A. & Skoutelis N. (2012): Contribution of the electrical tomography in the protection of traditional wells at Mirabello, Eastern Crete – Paper, International Conference Protection and restoration of the environment XI, pp. 1355 – 1364, July 3-6, Thessaloniki.

112. Panagopoulos G., Pyliotis I., Zelilidis A., Spyridonos E., Hamdan H., Vafidis A. and Manoutsoglou E. (2011): 3D modeling of biogenic gas-bearing Neogene deposits at Arkalochori region, Messara, Crete, Greece. Paper, IAMG 2011, September 5-9, University of Salzburg, Austria.

111. Panagopoulos G., Hamdan H., Spyridonos E., Pyliotis I., Zelilidis A., Vafidis A. and Manoutsoglou E. (2011): 3D geological modeling using VES data. An application on methane-bearing Neogene deposits at Arkalochori region, Messara, Crete, Greece. Extended Abstract, 6th Congress of Balkan Geophysical Society, 3-6 October, Budapest, Hungary.

110. Economou, N., Vafidis A., Hamdan H., Kritikakis G., Andronikidis N., and Dimitriadis K., (2012), Time varying deconvolution of GPR data in civil engineering, Nondestructive Testing and Evaluation International, 27, 3, 285-292.

109. Economou, N, and A, Vafidis, A., (2011), Deterministic deconvolution for GPR data in t-f domain, Near Surface Geophysics, 9, no. 5, 427-433.

108. Zannetidis, S., Economou, N.,  Hamdan, H, Nyktas, P., Kazakis, G., Ghosn, D., Remoundou, E., and Vafidis, A., (2011), Imaging sand dunes at Kedrodasos coastal area, Crete, Greece. 6th Congress of Balkan Geophysical Society, 3-6 October 2011, Budapest, Hungary.

107. Economou, N., Hamdan, H., Kritikakis, G., Andronikidis, N., Manutsoglu, E. and Vafidis, A., (2011), Geoelectrical and seismic imaging of the Omalos plateau, Crete, Greece, 6th Congress of Balkan Geophysical Society, 3-6 October 2011, Budapest, Hungary.

106. Vafidis, A, Economou , N., and Dimitriadis, K., (2011), Time varying zero-phase filtering of GPR data for imaging pavement layers, Proceedings of 73rd EAGE Conference & Exhibition incorporating SPE EUROPEC 2011, Vienna, Austria, 23-26 May.

105. Economou N., Vafidis A., Hamdan H., Kritikakis G., Andronikidis N., and Dimitriadis K., (2011), Time varying deconvolution of GPR data in civil engineering, Conference of European Geosciences Union, General Assembly 2011, Session GI-6 Civil Engineering Applications of Ground Penetrating Radar, Vienna, Austria, 3-8 April.

104. Hamdan H., Kritikakis G., Andronikidis, N., Economou, N., Manoutsoglou E., and Vafidis, A., (2010), Integrated geophysical methods for imaging saline karst aquifers. A case study of Stylos, Chania, Greece Journal of the Balkan Geophysical Society, 13, no. 1, 1-8.

103. Economou, N., and A., Vafidis, (2010), Spectral balancing GPR data using time variant band-width in t-f domain, Geophysics, 75, no. 3, J19-J27.

102. Mertzanides, Y., Economou, N., Hamdan, H., and Vafidis, A., (2010), Imaging sea water intrusion in coastal, Proceedings of the 12th International Congress of the Geological Society of Greece, 19-22 May, Patras, Greece.

101. Economou, N., and Vafidis, A., (2010), GPR data time varying deconvolution by kurtosis maximization, GPR2010, 21-25 May, Lecce, Italy.

100. Κωλέττας, Π., Βαφείδης, Α., και Αγιουτάντης Ζ., 2010, Πρότυπη Μέθοδος Γεωφυσικής Διερεύνησης Υπεδάφους, μέσω Συχνοτικού Προσδιορισμού Σεισμικών Κυμάτων και Πιλοτική Εφαρμογή της σε Καρστικούς Ασβεστόλιθους του Νεογενούς στην Περιοχή Κουνουπιδιανά, Χανίων, Τεχν. Χρον. Επιστ. Έκδ. ΤΕΕ, τεύχ. 1 2010 Tech. Chron. Sci. J. TCG, I, No 1.

99. Kritikakis, G., Vafidis, A., Z., Agioutantis, N., Andronikidis, and D., Kanaris, (2009), Contribution of the Multichannel Analysis of Surface Waves (MASW) method in the geotechnical characterization of soils, Proceedings of the 3rd International Conference «Advances in Mineral Resources Management and Environmental Geotechnology (AMIREG)», 2009, 7 – 9 September, Athens, Greece.

98. Hamdan, H., and Vafidis, A.,  (2009), Inversion techniques to improve the resistivity images over karstic structures, Proceedings of the «15th European Meeting of Environmental and Engineering Geophysics», 3–5 September 2009 Dublin, Ireland.

97. Economou, N, and Vafidis, A., (2009), Deterministic deconvolution for GPR data in t-f domain, Proceedings of 5th Congress of Balkan Geophysical Society, Geophysics at the Cross-Roads, Belgrade, Serbia, 10-16 May.

96. Kaklis, K., Z. Agioutantis, Vafidis, A., S. Maurigiannakis, M. Kouvelas and G. Feggos, (2008), Experimental characterization of the bioclastic Limestone of Alfas-Rethimnon, using laboratory and insitu testing, 1st Panhellenic Congress on Structural Materials, 21-23 May 2008, Athens, Greece, 1075-1084.

95. Spanoudakis, N, and Vafidis, A., (2008), Ground Penetrating Radar Trace Shape Classification Using Self Organizing Maps – An Example from Ancient Aptera, «Near Surface 2008» – the 14th European Meeting of Environmental and Engineering Geophysics of the Near Surface Geoscience Division of EAGE, Krakow, Poland, 15-17 September.

94. Economou, N, and Vafidis, A., (2008), Spectral balancing of GPR data using time-variant bandwidth in t-f domain, «Near Surface 2008» – the 14th European Meeting of Environmental and Engineering Geophysics of the Near Surface Geoscience Division of EAGE, Krakow, Poland, 15-17 September.

93. E. Kokinou, A. Vafidis, and E. Kamberis, (2007) Deep water prestack multiple suppression on reflection data from Ionian sea (offshore western Greece), Annals of Geophysics, Vol. 50, No. 2, pp. 137-147.

92. Koukadaki M.A., G.P. Karatzas, M.P. Papadopoulou, and A. Vafidis, (2007), Identification of the Saline Zone in a Coastal Aquifer using Electrical Tomography Data and Simulation, Water Resources Management, Vol. 21, No 11, pp. 1881-1898.

91. P. M. Soupios, M., Kouli, F., Vallianatos, A., Vafidis, and G., Stavroulakis, (2007), Estimation of aquifer hydraulic parameters from surficial geophysical methods: A case study of Keritis Basin in Chania (Crete – Greece), Journal of Hydrology, Volume 338, Issues 1-2, pp. 122-131

90. Vafidis, A., Economou, N., Galanaki, G, and Bouloukakis, I., (2007), Pilot geophysical research at the archaeological site of Littos, Kastelli Pediados, Crete, Proceedings of conference “Liktos Euktimeni”, 9-11 November, Kastelli Pediados, Crete.

89. Vafidis, A., and Economou, (2007), Intergated geophysical surveys for antiquities in Crete, Proceedings of conference “Liktos Euktimeni”, 9-11 November, Kastelli Pediados, Crete.

88. A. Vafidis, N. Economou , N.S. Spanoudakis, H.A. Hamdan & V. Niniou-Kindeli, (2007), “Application of Classification Methods on Geophysical Data from the Archaeological Site of Aptera, Chania, Greece”, Proceedings of “Near Surface 2007” – the 13th European Meeting of Environmental and Engineering Geophysics of the Near Surface Geoscience Division of EAGE, 3-5 September, Istanbul, Turkey.

87. N. Alevras , H.A. Hamdan, A. Vafidis  & E. Manutsoglu, (2007), “Geoelectrical Mapping of the Omalos Plateau/Polje, Chania, Western Crete, Greece”, Proceedings of “Near Surface 2007” – the 13th European Meeting of Environmental and Engineering Geophysics of the Near Surface Geoscience Division of EAGE, 3-5 September, Istanbul, Turkey.

86. H.A. Hamdan, G. Kritikakis, A. Vafidis & E. Manoutsoglou, (2007), “The Role of Geophysical Methods in Salt-water Intrusion Mapping for Strongly Karst Formations, a Case Study at Stylos, Crete”, Proceedings of “Near Surface 2007” – the 13th European Meeting of Environmental and Engineering Geophysics of the Near Surface Geoscience Division of EAGE, 3-5 September, Istanbul, Turkey.

85. N.S. Spanoudakis & A. Vafidis, (2007), “GPR Data Interpretation Using Self Organizing Maps”, Proceedings of “Near Surface 2007” – the 13th European Meeting of Environmental and Engineering Geophysics of the Near Surface Geoscience Division of EAGE, 3-5 September, Istanbul, Turkey.

84. Sodoudi, F., Kind, R., Hatzfeld, D., Priestley, K., Hanka, W., Wylegalla, K., Stavrakakis, G., Vafidis, A., Harjes, H.-P., and Bohnhoff, M., (2006): Lithospheric structure of the Aegean obtained from P and S receiver functions, Journal of Geophysical Research, 111, B12307, 1-23 and 2nd General Assembly European Geosciences Union (Vienna, Austria 2005).

83. Vafidis, A. and Kritikakis G, (2006), The application of the multichannel analysis of surface waves method (MASW) in geotechnical investigations, 17th International Geophysical Congress and Exhibition by UCTEA, 14-17 November 2006, Ankara, Turkey.

82. Economou, N., Mosialos, B., and Vafidis, A., Meier, T., Rische, M., Endrun, B., and Harjes, H-P., (2006), Microseismicity observations in Crete using temporary arrays, Proceedings of the 2nd International Conference «Advances in Mineral Resources Management and Environmental Geotechnology (AMIREG)», 25 – 27 September, Chania, Greece, pp. 143-148.

81. Kritikakis, G., Economou, N., Hamdan, H., Spanoudakis, N., Antoniou and Vafidis, A., Bano, M., Pasadakis, N., and Gourry, J.C., (2006), Contribution of the geophysical methods in delineating soil contamination, Proceedings of the 2nd International Conference «Advances in Mineral Resources Management and Environmental Geotechnology (AMIREG)», 25 – 27 September, Chania, Greece, pp. 129-134.

80. Michalakis, I., Economou, N., Hamdan, H., Vafidis, A., Manoutsoglou, E., Panagopoulos, G., Roubedakis, S., Vozinakis, C., Lampathakis, S., and Dassyra, E., (2006), Geological and geophysical study of saltwater contamination at Stylos, Crete , Proceedings of the 2nd International Conference «Advances in Mineral Resources Management and Environmental Geotechnology (AMIREG)», 25 – 27 September, Chania, Greece, pp. 157-161.

79. N. G. Diamanti, G. N. Tsokas ,P. I. Tsourlos, and A. Vafidis, (2005), Integrated interpretation of geophysical data in the archaeological site of Europos (northern Greece) Archaeological Prospection Volume 12, Issue 2, pp. 79 – 91.

78. Soupios ,P., Papazachos, C., Tsokas, G., and Vafidis, A., (2005), Non linear inversion of seismic data for a determination of reflector geometry and velocity structure, Journal of  Balkan Geoph. Society, Vol. 8, No.3, pp. 74-88.

77. Stampolidis, A., Tsourlos, P., Soupios, P., Mimides, Th., Tsokas, G., Vargemezis, G., and Vafidis, A., (2005), Integrated geophysical investigation around the brackish spring of Rina, Kalimnos Isle, Southwest Greece, Journal of  Balkan Geoph. Society, Vol. 8, No.3, pp. 63-73.

76. E. Kokinou, E. Kamberis, A. Vafidis, D. Monopolis, G. Ananiadis, A. Zelilidis (2005) Deep seismic reflection data from offshore western Greece: A new crustal model for the Ionian sea. Journal of Petroleum Geology 28 (2), 185–202.

75. K. Papakonstantinou, G. Kritikakis, Α. Vafidis, and Ε. Stiakakis (2005). Geophysical and lab measurements for the calculation of the mechanical properties of marls.  Tech. Chron. Sci. J. TCG, , 25, No 1-2, 67-78.

74. A. Vafidis, N. Economou, Y. Ganiatsos, M. Manakou, G. Poulioudis, G. Sourlas, E. Vrontaki, A. Sarris, M. Guy and Th. Kalpaxis, (2005), Integrated geophysical studies in ancient Itanos (Greece), Journal of Archaeological Sciences, 32, 1023-1036

73. E. Manutsoglu, A. Vafidis, G. Kritikakis, H.A. Hamdan, N. Andronikidis, N.S. Spanoudakis and N. Economou, (2004), Methods of 3D visual representation of interpreted geophysical data in regions of hydrogeological interest, Proceedings of the 1st International Conference «Advances in Mineral Resources Management and Environmental Geotechnology (AMIREG)», 7 – 9 June, Chania, Greece, pp. 709-714.

72. G. Kritikakis, A. Vafidis, and J. Gourry, (2004),  Rayleigh surface wave analysis and application at the Monfalcone landfill and at the industrial area of Porto Petroli, Genoa, Northern Italy, Proceedings of the 10th International Congress of the Hellenic Geological Society, 15 – 17 April, Thessaloniki, Greece, 1234-1243.

71. A. Vafidis, H. Hamdan, N. Andronikidis, A. Dasyras, G. Kritikakis, M. Koukadaki, E. Koumakis, S. Lampathakis, E. Manoutsoglou, N. Economou, K. Papakonstantinou, and N Spanoudakis, (2004), Contribution of electrical tomography and seismic refraction in site selection for a dam at Kountoura, Chania, Greece, Proceedings of the 10th International Congress of the Hellenic Geological Society, 15 – 17 April, Thessaloniki, Greece, 1214-1223.

70. A. Vafidis, E. Manoutsoglou, N. Andronikidis, H. Hamdan, M. Koukadaki, G. Kritikakis, N. Economou, and N. Spanoudakis, (2004),  Geophysical survey at the Omalos Plateau, Chania, Crete, Proceedings of the 10th International Congress of the Hellenic Geological Society, 15 – 17 April, Thessaloniki, Greece, 1204-1213.

69. T. Meier, M. Rische, B. Endrum, A. Vafidis and H.-P. Harjes, (2004), Seismicity of the Hellenic Subduction Zone in the area of western and central Crete observed by temporary local seismic networks, Tectonophysics 383, 149– 169.

68.       G.S. Kritikakis, Α. Vafidis and I. Louis, (2004), Estimation of S-wave velocity and dynamic mechanical properties of soils from Rayleigh surface waves records, Tech. Chron. Sci. J. TCG, , 1, No 2-3.

67. A. Vafidis, A. Sarris, and Th. Kalpaxis, (2003), Integrated geophysical studies in ancient Itanos (Greece), 4th Archaeometry Symposium, May, 28-31.

66. E. Kokinou, A. Vafidis, I. Louis and M. Loukojannakis, (2003), Deep seismic imaging and velocity estimation in Ionian Sea, Journal of the Balkan Geophysical Society, Vol. 6, No. 2, p.100 – 116.

65. A. Vafidis, M. Manakou, G. Kritikakis, D. Voganatsis, A. Sarris and Th. Kalpaxis, (2003), The mapping of the ancient port in the archaeological site of Itanos (Greece) using shallow, Archaeological Prospection, Vol 10, No 3, pp 163-173 and Proceedings of the  Second Balkan Geophysical Congress and Exhibition, Istanbul, Turkey, July 5-9, 1999 pp 138-139.

64. Kokinou, A. Vafidis, J. Louis, (2003), Seismic Tomography of the Near Vertical Incidence,  Journal of the Balkan Geophysical Society, Vol. 6, No. 2, p. 75 – 87.

63. E. Kokinou and A. Vafidis, (2003), Seismic modeling of marine reflection data from Ionian sea, Journal of the Balkan Geophysical Society, Vol. 6, No. 1, February 2003, p. 21 – 36.

62. X. Li, G. Bock, A. Vafidis, R. Kind, H.-P. Harjes, M.V.D. Meijde, W. Hanka, K. Wylegalla and X. Yuan, (2003), Receiver function study of the Hellenic Subduction Zone: Imaging crustal thickness variations and oceanic Moho of the descending African lithosphere, Geophysical Journal International, vol. 155, no2, pp. 733-748.

61. I. Louis, A. Vafidis and G. Amolohitis, (2002), Interpretation of seismic refraction data using modeling and inversion techniques: A case study in Monastiraki subway station Athens, Greece, Bulletin of Geological Society of Greece, November.

60. I. Louis, A. Vafidis, F. Louis and N. Tassopoulos, (2002), The use of the geophysical prospecting for imaging the aquifer of Lakka carboniferous mass, Mandoudi Euboea, Greece, Journal of  Balkan Geoph. Society, Vol. 5, No.3, pp. 97-106.

59. I. Louis, V. Karastathis, A. Vafidis and F. Louis, (2002), Resistivity modelling and imaging methods for mapping near-surface features: application to a site characterization at the ancient temple of Olympian Zeus in Athens, Journal of the Balkan Geophysical Society, Vol. 5, No.4, pp. 135-144.

58. E. Kokinou and A. Vafidis, (2002), Seismic modeling of marine reflection data from Ionian sea, Proceedings of the  Third Balkan Geophysical Congress and Exhibition, Sofia, Bulgaria, 24-28 June, pp. 150-151.

57. E. Kokinou and A. Vafidis, (2002), Deep-water multiple suppression on prestack and poststack reflection data from Ionian sea, Proceedings of the Third Balkan Geophysical Congress and Exhibition, Sofia, Bulgaria, 24-28 June, pp. 142-143.

56 Kritikakis, G and Vafidis, A. (2002), Combination of refraction method and surface wave analysis for the estimation of dynamic mechanical properties of soils, Proceedings of the 3rd Congress of Balkan Geophysical Society, June 24-28, Sofia, Bulgaria, p. 87-88.

55. A. Vafidis, Y. Louis and G. Karantonis, (2002), Ray and wave methods in complex geologic structures, Journal of  Balkan Geoph. Society, 2002, Vol. 5, No.2, pp. 57-64.

54. H. Hamdan, Κ. Zizis, Ε. Manoutsogloy, Α. Vafidis, and F. Sofos, (2002), Three dimensional mapping of possible water bearing formations in Kissamos area, Chania, Crete, Greece, Proceedings of the 7th  National Cartografic Conference, Island Cartography, Hellenic Cartographic Society, Mitilini, 23-26 October, 431-439.

53. Ν. Andronikidis, K. Georgila, N. Economou, E. Manoutsoglou, and A. Vafidis, (2002), Geologic interpretation and mapping of seismic reflection data at Ano Vathia, Heraklion, Crete, Greece,  Proceedings of the 7th  National Cartografic Conference, Island Cartography, Hellenic Cartographic Society, Mitilini, 23-26 October, 451-460.

52. N. Spanoudakis, S. Patsa, E. Manoutsoglou, and A. Vafidis, (2002),  Imaging three dimensional geophysical data from MEsi, Rethymnon, Crete, Greece, Proceedings of the 7th  National Cartografic Conference, Island Cartography, Hellenic Cartographic Society, Mitilini, 23-26 October, 409-417.

51. G. Kritikakis, Y. Gougougiannis, A. Vafidis, D. Monopolis, N. Economou, and E. Manoutsoglou, (2002), Imaging geological formations at the area of Almiros river, Heraklion, Crete, Greece, Proceedings of the 7th  National Cartografic Conference, Island Cartography, Hellenic Cartographic Society, Mitilini, 23-26 October, 419-429.

50. A. Vafidis, G. Poulioudis G. Kritikakis, and, A. Sarris, (2002), High resolution geophysical imaging of buried relics in Itanos archaeological site, Proceedings of the International meeting CAA 2002, Computer Applications and Quantitative Methods in Archaeology Conference, “The Digital Heritage of Archaeology”, 2-6 April, Heraklion, Crete, Greece, pp 245-250.

49. A. Vafidis, N. Economou and A. Sarris, (2002), Geophysical data presentation using GIS, Proceedings of the International meeting CAA 2002, Computer Applications and Quantitative Methods in Archaeology Conference, “The Digital Heritage of Archaeology”, 2-6 April, Heraklion, Crete, Greece, pp 195-200.

48. A. Sarris, A. Vafidis, N. Economou, G. Poulioudis, C. Limneou-Papakosta, (2001), Prospecting the old Jewish cemetery in the center of Alexandria, Egypt Proceedings, 4th Int. Conf. On Archaeological Prospecting, Austrian Academy of Sciences, Vienna, September 19-23.

47. A. Sarris, A. Vafidis, St. Mertikas, M. Guy, E. Vrontaki, M. Manakou and Th. Kalpaxis, (2001), Ancient Itanos (Erimoupolis Lasithi): Creating an archaeological site to a remote sensing laboratory, 31st International Symposium on Archaeometry (Archaeometry ’98), Budapest, Hungary, April 27-May 1, 1998 – British Archaeological Reports (BAR) (ed. By E. Jerem and K. Biro)/ Archaeolingua Central European Series (sems Editor: E. Jerem), published by Archaeopress in association with Archaeolingua, volume 1.

46. G. Poulioudis, A. Vafidis, A. Sarris and Th. Kalpaxis, (2000), Shallow target GPR imaging in ancient Itanos (Greece), Proceedings of the SEG/EAGE/RSG Bucharest International Geophysical Conference and Exposition, Bucharest, Romania, 10-14 April pp 182-183.

45. E. Greco, Th. Kalpaxis, A. Schnapp, et D. Viviers avec la collaboration de E. Carando, R. De Bonis, A. D’Hautcourt, P. Duboeuf, G. Grivaud, M. Guy, C. Licoppe, N. Massar, A. Polosa, A. Sarris, A. Schnapp-Gourbeillon, H. Siard, D. Theodorescu, Ch. Tsigonaki, A. Tsingarida, A. Vafidis, et M. Xanthopoulou, Travaux menès en collaboration avec l’Ècole francaise en 1999. (2000) Itanos (Crète orientale), Bulletin de Correspondance Hellenique (BCH), 124/II, Etudes Chroniques et rapports, pp. 547-559.

44. G. Libing, R. Murowchick, D. Reidy, D. Cist, Q. Di, J. Dolychuck, A. Sarris, A. Vafeidis, A. Giourou, V. Kevgas, S. Topouzi, & S. Soetens, (2000) “Differences of Scale – Similarities in Research Procedures: Archaeological Prospection in the Sangqiu Area, Northern China & Itanos, Southern Greece”, Proceedings (in CD-ROM) of the 32nd International Symposium on Archaeometry (Archaeometry 2000) Mexico City, Mexico, May 15-19.

43. I. Louis, A. Vafidis and C. Makropoulos, (1999), Determination of a 2D velocity macro-model from pre-stack travel time inversion of a marine seismic reflection data set in Ionian Sea, Greece, Extented Abstracts of 61st EAGE Conference and Technical Exhibition, Helsinki, P131.

42. E. Greco, Th. Kalpaxis, A. Schnapp, et D. Viviers avec la collaboration de E. Carando, R. De Bonis, C. D’ Ercole, P. Duboeuf, J. francoise, C. Garcia Martin, G. Grivaud, M. Guy, C. Licoppe, N. Massar, A. Sarris, A. Schnapp-Gourbeillon, D. Theodorescu, Ch. Tsigonaki, A. Tsingarida, A. Vafidis, P. Vitti, O. Voza et M. Xanthopoulou, Travaux menès en collaboration avec l’Ècole francaise en 1998. (1999) Itanos (Crète orientale), Bulletin de Correspondance Hellenique (BCH), 123/II, Etudes Chroniques et rapports, pp. 515-530.

41. A. Vafidis, E.R. Kanasewich and F. Abramovici, Finite Differences in Wave Propagation (1999). In: Seismic imaging of in situ bitumen reservoirs and the properties of porous media (E.R. Kanasewich). Alberta Oil Sands Technology and Research Authority (AOSTRA) Technical Publication Series number 15, pp 41-74.

40. E.R. Kanasewich, F. Kalantzis, P. Kelamis, C. Tsingas and A. Vafidis, Attenuation (Q) (1999) In: Seismic imaging of in situ bitumen reservoirs and the properties of porous media (E.R. Kanasewich). Alberta Oil Sands Technology and Research Authority (AOSTRA) Technical Publication Series number 15, pp 75-101.

39. C. Macrides, E.R. Kanasewich, S. Phadke and A. Vafidis, Hole to Hole Seismic Imaging (1999) In: Seismic imaging of in situ bitumen reservoirs and the properties of porous media (E.R. Kanasewich). Alberta Oil Sands Technology and Research Authority (AOSTRA) Technical Publication Series number 15, pp 119-194.

38. F. Kalantzis, E.R. Kanasewich and A. Vafidis, Elastic Imaging in 2-D and 3-D (1999) In: Seismic imaging of in situ bitumen reservoirs and the properties of porous media (E.R. Kanasewich). Alberta Oil Sands Technology and Research Authority (AOSTRA) Technical Publication Series number 15, pp 297-335.

37. E. Greco, Th. Kalpaxis, A. Schnapp, et D. Viviers avec la collaboration de I. D’Ambrosio, A. D’Hautcourt, P. Duboeuf, J. Francoise, M. Guy, C. Licoppe, D. Mylona, M. Osanna, A. Sarris, A. Schnapp-Gourbeillon, H. Siard, D. Theodorescu, Ch. Tsigonaki, A. Vafidis, et M. Xanthopoulou, Travaux menès en collaboration avec l’Ècole francaise en 1996. (1997). Itanos (Crète orientale), Bulletin de Correspondance Hellenique (BCH), 121/II, Etudes Chroniques et rapports, pp. 809-824.

36. C. Tsingas and A. Vafidis, (1997), Workshop on Practical Methodologies for Seismic Imaging and Reservoir Characterization in review, First Break, Vol. 15, No 2, pp. 57-58.

35. E. Greco, Th. Kalpaxis, A. Schnapp, et D. Viviers avec la collaboration de I. D’Ambrosio, M. Guy, C. Licoppe, M. Osanna, A. Sarris, A. Schnapp-Gourbeillon, H. Siard, D. Theodorescu, Ch. Tsigonaki, A. Tsingarida, A. Vafidis et M. Xanthopoulou, (1996), Itanos (Crète orientale), Bulletin de Correspondance Hellenique (BCH), 120/II, Etudes Chroniques et rapports, pp. 941-952.

34. A. Vafidis, A. Sarris, N. Economou and A. Kalpaxis, (1996), Geophysical survey in the archaeological site of Itanos, Lasithi, Greece, Proceedings of the 1st Congress of the Balkan Geophysical Society, Athens, Greece, September 23-27, pp. 54-55.

33. A. Vafidis, (1996), Seismic reflection tomography, Monograph, p. 97, Applied Geophysics Laboratory, Mineral Engineering Department, Technical University of Crete, Greece.

32. A. Vafidis, (1996), 3-D Reflection method: A review of the modeling and imaging techniques, Proceedings of the Carpatho-Balkan Meeting, September 1995, Athens, Greece and Mineral Wealth, November-December, pp. 41-48.

31. Y. Louis and A. Vafidis, (1996), Comparison of Forward Modelling and Inversion of Seismic First Arrivals. A case study over Monastirion Subway station, Proceedings of the 1st Congress of the Balkan Geophysical Society, Athens, Greece, September 23-27, pp. 562-563.

30. F. Kalantzis, A. Vafidis and E.R. Kanasewich, (1996), 3-D Acoustic reverse-time migration with a stress-velocity finite difference method, Journal of Seismic Exploration, vol. 5, No 3, pp. 229-244.

29. F. Kalantzis, A. Vafidis, E.R. Kanasewich, and A. Kostykevich, (1996), Seismic monitoring and modeling of a EOR Project at Cold Lake Alberta, Canada, Canadian Journal of Exploration Geophysics, Vol. 32, No 2, pp 77-89 and Proceedings of the 58th International Annual Meeting, European Association of Geoscientists and Engineers, Amsterdam, The Netherlands, June 3-7, 1996, pp. 71-72.

28. F. Kalantzis, E.R. Kanasewich, A. Vafidis and A. Kostykevich, (1996), 3D Seismic reflection modeling and imaging at ESSO’s Cold Lake D3 EOR Project, First Break, Vol 14, Nο 3, pp. 91-103.

27. N. Dai, E.R. Kanasewich and A. Vafidis, (1996), “Seismic migration and absorbing boundaries with an one-way wave system for heterogeneous media”, Geophysical Prospecting, Vol. 44, pp. 719-739.

26. A. Kalpaxis, A. Schnapp,  D. Vivier, M. Guy,  C. Licoppe, A. Schnapp-Courbeillon, H. Siard, D. Theodorescu, C. Tsigonaki, A. Vafidis and M. Xanthopoulou,  (1995), Rapport sur les travaux menes en collaboration avec l’ ecole Francaise d’ Athenes en 1994 (Itanos, Crete orientale), Bulletin de correspondance Hellenique, 119, pp. 713-736.

25. G.N. Tsokas, C.B. Papazachos, A. Vafidis, M.Z. Loukoyiannakis, G Vargemezis and K. Tzimeas,  (1995), The detection of monumental tombs buried in tumulii by seismic refraction, Geophysics, Vol 60, pp. 1735-1741.

24. A. Vafidis, (1995), Seismic Data Processing Techniques for 3-D Complex Media, Monograph, Seismology Lab, Department of Physics, University of Alberta.

23. A. Vafidis, F. Kalantzis, E.R. Kanasewich and N. Dai, (1995), 3-D Acoustic wave modeling with a stress-velocity finite difference method for heterogeneneous media, accepted by Geophysics 1996 and Proceedings of the CSEG National Convention, May 9-11, Calgary, Alberta, pp. 80-81.

22. Y. Louis, A. Vafidis, G. Karantonis and A. Vessnaver, (1995), “A Comparative study of seismic modeling algorithms”, Proceedings of the 57th International Annual Meeting, European Association of Geoscientists and Engineers, Glasgow, Scotland, June 6-10, pp. 186-187.

21. A. Vafidis, G.N. Tsokas, M.Z. Loukoyiannakis, K. Vasiliadis, G. Vargemezis and C.B. Papazachos, (1995), Feasibility study on the use of seismic methods in detecting monumental tombs buried in tumuli, Archaeological Prospection, Vol 2, pp. 119-128.

20. N. Dai, A. Vafidis and E.R. Kanasewich, (1995), “Wave propagation in heterogeneous porous media: A velocity-stress finite difference method”, Geophysics, vol. 60, No. 2, pp. 327-340.

19. E. Moschovis, A. Vafidis, and G. Exadaktylos, (1994), Seismic tomography method application for the characterization of fractures in marbles, Greek Marble, issue 112, Nov-Dec, 43-45.

18. A. Vafidis and E. Manouselis, (1993), Seismic tomography using the conjugate gradient method, Proceedings of the 2nd International Meeting of the Hellenic Union of Geophysicists, May, Florina, Greece, 266-275.

17. N. Dai, A. Vafidis and E.R. Kanasewich, (1993), “Finite difference modeling of viscoelastic waves”, Proceedings of the CSEG National Convention, May 5-8, Calgary, Alberta pp. 119-120.

16. N. Dai, A. Vafidis and E.R. Kanasewich, (1993), “Migration and absorbing boundaries with the one-way wave equation”, Proceedings of the 55th International Annual Meeting, European Association of Exploration Geophysicists, Stavanger, Norway, June 6-10, pp. 186-187.

15. F. Kalantzis, N. Dai, E.R. Kanasewich, S. Phadke and A. Vafidis, (1993), “2D and 3D seismic reflection modeling and imaging using vector and parallel computers”, Proceedings, SS’93 Supercomputing Symposium, Calgary, AB, June 1993, pp. 25-32.

14. A. Vafidis, N. Dai and E.R. Kanasewich, (1993), “Wave propagation in viscoacoustic heterogeneous media: A velocity-pressure finite difference method”, Can. Journal of Exploration Geophysicists, vol. 29, No. 2, pp. 402-410.

13. N. Dai, A. Vafidis and E.R. Kanasewich, (1993), “Composite absorbing boundaries for the numerical simulation of seismic waves”, Bulletin of Seismological Society of America, vol. 84, No. 1, pp. 185-191.

12. A. Vafidis, F. Abramovici and E.R. Kanasewich, (1992), “Elastic wave propagation using fully vectorized high order finite differences”, Geophysics, vol 57, pp. 218-232.

11. N. Dai, E.R. Kanasewich and A. Vafidis, (1992), “High order finite difference simulation of seismic waves in porous media”, Proceedings of the CSEG National Convention, May 5-8, Calgary, Alberta pp. 60-61.

10. N. Dai, E.R. Kanasewich and A. Vafidis, (1992), “Simulation of seismic waves in porous media”, Proceedings 62nd Annual International Meeting, Society of Exploration Geophysicists, New Orleans, LA, October 25-29, pp. 1293-1296.

9. A. Vafidis and E.R. Kanasewich, (1991), “Modelling cross-hole seismic data in steam injection problems with finite differences”, Can. Journal of Exploration Geophysicists, vol 27, pp. 23-33.

8. S. Phadke, A. Vafidis, C. Tsingas and E.R. Kanasewich, (1991), “A comparative study of ray and wave methods in steam injection problems”, AOSTRA Journal of Research, vol 7, pp. 1-11.

7. N. Dai, A. Vafidis and E.R. Kanasewich, (1990), “Surface seismic simulations in steam injection EOR problems with finite differences”, AOSTRA Journal of Research, vol 6, pp. 199-210.

6. C.Tsingas, A. Vafidis, and E.R. Kanasewich, (1990), “Elastic wave propagation in tranversely isotropic media using finite differences”, Geophysical Prospecting, vol 38, December, pp. 933-949.

5. A. Vafidis, (1989), “Seismic wave propagation simulation using supercomputer, Proceedings of the 1st International Meeting of the Hellenic Union of Geophysicists, Athens, Greece, May 1989, pp. 88-98.

4. E.R. Kanasewich, A. Vafidis, C. Tsingas and L.H.T. Le, (1988), “Simulation of seismic wave propagation in oil sands projects”, Proceedings 2nd Canadian Supercomputing Symposium, Edmonton, AB, June, pp. 161-170.

3. A. Vafidis, F. Abramovici and E.R. Kanasewich, (1987), “Supercomputer finite-difference algorithms for use in seismic tomography as applied to oil sands projects”, Proceedings 57th Annual International Meeting, Society of Exploration Geophysicists, New Orleans, LA, October 11-15, pp. 353-355.

2. E.R. Kanasewich and A. Vafidis, (1987), “Simulation of seismic wave propagation in oil sands projects”,  Supercomputing Letters, vol 3, no. 3, April, pp. 7-10.

1. F. Abramovici, A. Vafidis and E.R. Kanasewich, (1987), “Supercomputer algorithms for solving elastic wave propagation problems in two dimensions”, Proceedings, 1st Canadian Supercomputing Symposium, Calgary, Alberta, May, pp. 127-138.