Tsokas Grigoris

Publication list

MSc - PhD Theses

  1) A deep electrical sounding 10.5 km west of Duns in Scotland. "M.Sc. thesis,University of Leeds (Gr.Britain)", pp. 67, 1980.

  2) Geophysical Prospection of Milos and Kimolos Islands, PhD thesis, Aristotle University, pp. 201, 1985.

Scientific papers in Journals and Conference proceedings

3) G.N. Tsokas. A brief review on the applicability of Geophysical methods for detection  of the subsurface cavities. "Proceedings of the International meeting on the show caves and their problems", Athens, September 1-3, 161-168, 1983.

4) C.Thanassoulas and G.N. Tsokas.(A microcomputer program for Tsuboi's method of gravimetric interpretation. "First Break", 3, 6, 11-22, 1985.

5) St.P.Papamarinopoulos,  G.N.Tsokas  and H. Williams. Magnetic and  electric measurements on the island of Lesbos and the detection of buried ancient relics."Geoxploration", 23, 483-490, 1985.

6) C.Thanassoulas and G.N.Tsokas. A simple basic program for computing terrain corrections  on a microcomputer. "Computers and Geosciences", 12,1,89-91, 1986.

  7) G.N.Tsokas and A.Ch. Rocca. Geophysical prospecting at archaeological sites with some examples from northern Greece. "First Break", 4,8,31-39, 1986.

  8) G.N.Tsokas, A.Ch.Rocca and B.C.Papazachos. Magnetic prospecting at the Prehistoric site of the village Mandalo in Northern Greece. "P.A.C.T.", 15,143-152,1986.

9) G.N.Tsokas, A.Ch. Rocca and B.C. Papazachos. Some Aspects concering the application of Geophysical Prospecting Methods at the Archaeological site of Dion."P.A.C.T.", 15,153-162, 1986.


  10) St.P.Papamarinopoulos,  G.N.Tsokas and H. Williams. Electric  resistance and resistivity  measurements  and  magnetic mapping of the Archaeological relics on the  castle  of Mytilene. "Bolletino di Geofisica Teorica ed Applicata", XXVIII,111-112, 299-309, 1986.

  11) G.N.Tsokas  and A.Ch.Rocca. Field investigation of a Macedonian Tumulus by resistivity soundings. "Geoexploration", 24, 99-108, 1987.

  12) C.Thanassoulas, G.N.Tsokas and N.Kolios. Geophysical investigations in the Geothermal  field  in the Delta of the Nestos river (Northern Greece). "Geothermics", 16,1,17-26, 1987.

  13) G.N.Tsokas  and L.G.Kyriakidis. On a forward deconvolution process applied to  magnetic  data  from archaeological sites. "Proceedings of the International symposium  on  Engineering  Geology  as  related  to the study, Preservation and Protection of ancient works, monuments and Historical sites", Marinos and Koukis (eds), Balkema, 112,1-1124, 1988.

  14) G.N.Tsokas  and Ch.Saatsoglou-Paliadeli. The  Discovery of the relics of a complex  of walls in ancient Aegae (Verghina, N. Greece) by Geophysical investigations. "Archaeophysika", 25, 435-437, 1988.

  15) G.N.Tsokas.  Recent prospecting results from  Ancient Aegae  (Verghina, N.Greece). "Proceedings of the International symposium on Engineering Geology as related  to  the  study, Preservation and Protection of ancient works, monuments and Historical sites", Marinos and Koukis (eds), Balkema, 1131-1134, 1988.


  16) St. Papamarinopoulos and G.N.Tsokas.  Geophysical studies in Eastern Crete for  the detection of ancient relics at Kavousi. "Proceedings of the International Symposium  on Engineering Geology as Related to the study, Preservation and Protection of ancient works, monuments and historical sites", Marinos and Koukis (eds), Balkema, 1137-1142, 1988.

  17) L.G. Kiriakidis, M. Loukoyiannakis and G.N. Tsokas. The basement morphology at the Eastern sector of the Prinos-Nestos oil bearing basin. N.Greece. "Bulgarian Geophysical Journal", XIV, 1, 56-67, 1988.

18) G.N.Tsokas and Liritzis, Y.Resistivity prospecting in the centre of Athens for the detection of buried Antiquities. "Prospezioni Archaeologishe", 1, 133-143, 1990.

  19) L.G.  Kiriakidis, G.N. Tsokas and S. Nikolaou. Methods of applied geophysics employed in Archaeological sites in Greece. "Studies and Researches in Geophysics", Journal of Romanian Academy of Sciences, 25, 78-87, 1987.

 20) C.Thanassoulas and G.N.Tsokas. A Geothermal field model built up from Geophysical and Thermal prospects in Nea Kessani (N.E. Greece). "Geothermics", 19, 1, 77-85, 1990.

21) N.Xanthopoulos, G.N.Tsokas, S.Nikolaou and L.Kiriakidis. Geophysical investigations at the northern side of the Axios River Basin (N. Greece). "Bulgarian Geophysical journal", XVI, 4, 53-62, 1990.

22) G.N.Tsokas and K.Dimitropoulos. Can the Geophysical maps over buried ancient sites reveal specific structures, if correlated to prefetermined signals? . "Theory and practice of Applied Geophysics”,4,  Geophysical Data Inversion methods and applications", Vogel,A. Ofoeghu,G.O., Gorenflo,R. and Ursin B. (eds), Vieweg, 297-313, 1989.

23) Dimitropoulos,K. and G.N. Tsokas. Application of new space domain second derivative operators on model data. “Bulgarian Geophysical journal”,XVII, 2,55-62, 1991.

24) G.N.Tsokas, C.B.Papazachos, M.Z. Loucoyannakis and O.Kavousova. Geophysical data from archaeological sites: Inversion filters based on the vertical sided finite prism model. “Archaeometry”, 33, 2, 215-230, 1991.

25) G.N.Tsokas, C.B.Papazachos, V.V.Glazunov. The application of stabilized inversion filtering in magnetic prospecting. "Leningrad mining Institute Publication series", 1992.  (?p? d?µ?s?e?s?).

26) G.N.Tsokas and C.B.Papazachos. The applicability of two dimensional inversion filters in magnetic prospecting for buried antiquities. "Theory and practice of Applied Geophysics”,5,Theory and practice of Geophysical Data Inversion, Vogel,A., Sarvar, A.K.M., Gorenflo,R. and Kounchev,O.I. (Eds), Vieweg 121-144, 1990.

27) G.N.Tsokas. Large scale exploration of the archaeological site of Europos in N.Greece combining various geophysical techniques. Proceedings of BPU1, Thessaloniki 26-28 September, 1991 .

28) G.N.Tsokas and C.B.Papazachos. Two-dimensional inversion filters in magnetic prospecting: Application to the exploration for buried antiquities. “Geophysics”,57,8,1004-1013, 1992 .

29) G.N.Tsokas. Detection Statistics as a tool for locating buried antiquities. ???as?a p?? pa???s??st??e st? ?nternational symposium Archaeometry 2-6 April, Heildberg, 1990

30)G.N.Tsokas. An Investigation of the effectiveness of inverse filtering in the geophysical search of archaeological sites. Theory and Practice of Applied Geophysics , 7,Geophysical Exploration of Archaeological sites, 73-88,1993.

31)P.Karmis and G.N. Tsokas. Time domain T.E.M. in the search for buried antiquities: a field experiment. “Theory and Practice of Applied Geophysics” , 7, Geophysical Exploration of Archaeological sites, 123-138,1993

32)S.P.Papamarinopoulos,G.N.Tsokas,M.Lakaki,T.Savopoulou. Advanced Geophysical prospecting processsing of field data and practical results. “Theory and Practice of Applied Geophysics” , 7, Geophysical Exploration of Archaeological sites, 149-160,1993.

33) C.B.Papazachos,G.N.Tsokas. A FORTRAN program for the computation of 2-Dimensional inverse filters in magnetic prospecting. “Computers and Geosciences”,19,5,705-7154,1993.

34) B.C. Papazachos, P.M. Hatzidimitriou, G.F. Karakaisis, C.B. Papazacho?, G.N. Tsokas. Rupture zones and active crustal deformation in southern Thessalia, Cental Greece.”Bolletino di Geofisica Teorica ed applicata”,XXXV,139,363-374,1993.

35)  G.N. Tsokas, A. Giannopoulos, P.Tsourlos, G.  Vargemezis, J.M. Tealby, A. Sarris, C.B. Papazachos, T. Savopoulou.  A large scale geophysical survey in the archaeological site of Europos (nothern Greece). “Journal of Applied Geophysics”, 32, 85-98, 1994

36)G.N.Tsokas, Gravity and magnetic expression of the concealed basic and ultrabasic bodies in Chalkidiki, Northern Greece.  “PAGEOPH”,144,1,117-134,1995.

37)G.N. Tsokas and R.O. Hansen. A comparison of inverse filtering and multiple source Werner deconvolution for model archaeological problems. “Archaeometry” ,37,1,185-193,1995.

38)G.N. Tsokas, C.B. Papazachos, A. Vafidis, M.Z. Loukoyiannakis,G. Vargemezis and K.Tzimeas. The detection of monumental tombs in tumuli by refraction seismics. “Geophysics”,60,6,1735-1742,1995.

39) G.N. Tsokas,R.O. Hansen, M. Fytikas, G.D. Vassilelis, C. Thanassoulas. Geological and Geophysical study of the island of Kimolos (Greece) and Geothermal implications. “Geothermics”,24,5/6,679-693,1995.

40) A. Vafidis,  G.N. Tsokas, M.Z. Loukoyiannakis,K. Vasiliadis, C.B. Papazachos, G.   Vargemezis.Feasibility Study on the use of seismic methods in detecting monumental tombs buried in tumuli. “Archaeological Prospection”,2,119-128,1995.

41)G.N. Tsokas,G.C. Chrisofides, C. Papakonstantinou. A geophysical study of the granites and the sedimentary basins of the Xanthi area (N. Greece). “PAGEOPH”, 146,2,365-392,1996.

42) G.N. Tsokas. Interpretation of the Bouguer anomaly of Milos Island (Greece). “Journal of Volcanology and Geothermal Reasearch”, 72,163-181, 1996.

43) C.B. Papazachos, P. Hatzidimitriou, D. Panagiotopoulos and G. ?.Tsokas. Tomography of the crust and upper mantle in SE Europe. “Journal of Geophysical Reasearch”,100,12405-12422,1995.

44) I. Grigoriou and  G.N. Tsokas.The use of A.I.R. (Azimuthal Inhomogeneity Ratio) in prospecting at archaeological sites.”Prospezioni Arcaheologische”. 1996. (?p? d?µ?s?e?s?)

   45) G.N. Tsokas, A. Giannopoulos, P. Tsourlos, T. Savopoulou. Pattern recognition based on correlograms: a case study in Europos (N. Greece). PACT 45,1994. 421-437, 1997.

46)   G.N. Tsokas and  P.Tsourlos. Transformation of the resistivity anomalies from archaeological sites by inversion filtering”. “Geophysics”,62,36-44,1997 .

47) G.N. Tsokas, P. Tsourlos, P. Soupios, C. Fassoulas and E. Kaloidas. On the ophiolites and the concealed magnetic bodies of the island of Crete (Greece). “Ofioliti”, 21, 153-157,1996.

       48) G.N. Tsokas and R.O. Hansen. Study of the crustal thickness and the subducting lithosphere in Greece from gravity data. “Journal of Geophysical Reasearch”,102,20585-20597,1997.

       49) K. Kheir, G.N. Tsokas and T. Sawaf. Crustal structure of the northern Levant region: multiple source Werner deconvolution estimates for Bouguer gravity anomalies. “Geophys. J. Int.” , 128,605-616,1997.

50) G.N. Tsokas,P.I. Tsourlos and J.E. Szymanski.Square array resistivity anomalies and inhomogeneity ratio calculated by the finite element method. “Geophysics” , 62, 426-435, 1997.

 51) G.N. Tsokas, G. Vargemezis, P. Marinos and B. Perleros. Prospecting for carstic cavities on the course of the new motorway in Yliki by means of GPR (Ground Penetarting Radar). Proceedings of the International Symposium on Engineering Geology and Environment, organized by the Greek National Group of IAEG/Athens/ 23-27 June 1997. Marinos, Koukis, Tsiambaos and Stournaras, Eds.1091-1096,1997.

 52) G. Vargemezis, J. Zlotnicki, G.N. Tsokas, B. C. Papazachos and E. Papadimitriou. Monitoring of the geomagnetic and geoelectric field in two regions of Greece for the detection of earthquake precursors. Annali di Geofisica, XL,2, 375-384, 1997.

53) G.N. Tsokas, A.sarris, M.Pappa, M. Bessios, C.B. Papazachos, P. Tsourlos and A. Giannopoulos. A Large scale magnetic survey in Makrygialos (Pieria), Greece. Archaeological Prospection, 4, 123-137, 1997.

54)P.I. Tsourlos, J.E. Szymanski and G. N. Tsokas. A smoothness constraint algorithm for the fast 2-D inversion of DC resistivity data. Journal of the Balkan Geophysical Society, 1,1, 3-13,1998.55) G.N. Tsokas , R.O. Hansen and M. Fytikas. Curie point of the island of Crete (Greece). PAGOPH, 152, 747-757, 1998.

56) G.N. Tsokas, A. Stampolidis, A.D. Angelopoulos and S. Kilias. Analysis of potential field anomalies in Lavrion mining area, Greece. Geophysics, 63,6, 1965-1970, 1998.

57) K.M. Ermokhin, G.N. Tsokas, P. Tsourlos and V.V. Glasunov. Calculation of the azimuthal inhomogeneity ratio response of 3-D structures using analytical forward modelling scheme. Journal of the Balkan Geophysical Society, 1, 4, 53-53, 1998.

58) D. Jongmans, K. Pitilakis, D. Demanet, D. Raptakis, J. Riepl, C. Horrent, G.N. Tsokas, K. Lontzetidis and P.-Y. Bard. EURO-SEISTEST: Determination of the geological structure of the Volvi basin and validation of the basin response. Bulletin of the Seosmological Society of America, 88,2, 473-487, 1998.

59)             A. Savvaidis, G.N. Tsokas, Y. Liritzis and M. Apostolou. The location and mapping of ancient ruins on the castle of Lefkas (Greece) by resistivity and GPR methods. Archaeological Prospection, 6, 63-73, 1999.

 60) A. Savvaidis, G.N. Tsokas,  G. Vargemezis and G. Dimopoulos. Geophysical prospecting in the Akropotamos dam (N. Greece) by G.P.R. and V.L.F. methods, Journal of the Balkan Geophysical Society, 2,4, 120-127,1999.

61)A. Savvaidis, G.N. Tsokas,  P. Soupios, G. Vargemezis, M. Manakou, P. Tsourlos and I. Fikos. Geophysical prospecting in the Krousovitis dam (N. Greece) by sesmic and resistivity methods, Journal of the Balkan Geophysical Society, 2,4, 128-138,1999.

 62)K. Khair and G.N. Tsokas. Nature of the Levantine (eastern Mediterranean) crust from multiple source Werner deconvolution of Bouguer gravity anomalies. Journal of Geophysical Research, 104,B11, 25469-25478, 1999.

63)     P.I. Tsourlos, J.E. Szymanski and G. N. Tsokas. The effect of terrain topography on commonly used resistivity arrays. Geophysics, 64,5, 1357-1363, 1999.

64) ?. . Savvaidis, L.B. Pedersen, G.N. Tsokas, and G.J. Dawes. Structure of the Mygdonia basin (N. Greece) inferred from M.T. and Gravity data. Tectonophysics, 317, 171-186, 2000.

65) P.I. Tsourlos, J.E. Szymanski and G. N. Tsokas. 2-D Non  linear inversion of resistivity data arisisng from archaeological sites. Prospezioni Archaeologiche, 2000 (in press).

 66) G.N. Tsokas and R.O. Hansen. On the use of complex attributes and the inferred source parameter estimates in the exploration of archaeological sites. Archaeological Prospection, 7,1, 17-30, 2000. 

 67) A. Stampolidis, G.N. Tsokas, Elefteriadis, G. and Kondopoulou, D. Investigation of potential fields anomalies related with the Philippi basin and granitoid intrusion, NE Greece. Journal of the Balkan Geophysical Society, 3,4, 59-66,2000.

68) H. Reci, G.N. Tsokas, Papazachos, C.B., Avxhiu, R. and Bushati , S. study of the crossborder field in the Sarandaporos-Konitsa area by electrical soundings. . Journal of the Balkan Geophysical Society,4,2, 19-28, 2000.

69) S. Piro, P.I.Tsourlos and G.N. Tsokas. Cavity detection employing advanced geophysical techniques: a case study. European Journal of Environmental and Engineering Geophysics,  6, 3-31, 2001.

70) P. Soupios, C.B. Papazachos, C. Juhlin and G.N. Tsokas. Non linear three dimensional travel time inversion of crosshole data with application in the area of middlee Urals, Geophysics, 66, 627-636, 2001.

71) P.I. Tsourlos, J.E. Szymanski and G. N. Tsokas.  A generalized iterative back projection algorithm for 2-D reconstruction of resistivity data: application to data sets from archaeological sites. Journal of Engineering and Environmental Geophysics, 2000 (in press).

72) A. Savvaidis, G.N. Tsokas, C.B. Papazachos and D. Kondopoulou. A geophysical study of the ophiolite complex and the sedimentary basins in the Northwest part of Chalkidiki Peninsula. Surveys in Geophysics, 21, 567-595, 2000.

73) I.C. Mertzanidis, G.N. Tsokas and J.N. Sahalos. Direct solution for dielectric and geometric parameters of a two layered medium. I.E.E.E. est??? ??a d?µs?e?s?.74) G.N.Tsokas, P. Soupios, P. Tsourlos, G. Vargemezis, A. Savvaidis, C. Paliadeli-Saatsoglou, S. Drougou. Geophysical investigations in the area between Eukleia's temple and the theater in ancient Aegae (Verghina) using various methods. Proceedings of the 1st  Conference on Physics in Culture, Thessaloniki, October 28-30, 1999.

75) G. Vargemezis, G.N. Tsokas and Zlotnicki, J. Discussion on Telluric field and seismic activity in central Greece. Annali di Geofisika, 43,3, 421-435,2000.

76) G. Vargemezis, G.N. Tsokas and Zlotnicki, J. Energy and polarity of the telluric field in correlation with seismic activity. Annali di Geofisika, 44,2, 205-220, 2000.

77)V. Spatharas, D. kontopoulou, Y. Liritzis and G.N. Tsokas, Archaeointensity results from two ceramic kilns from N. Greece. Journal of the Balkan gaophysical Society, 3, 4, 67-72, 2000.

78)G. ?.Tsokas, Revisiting the Bouguer field of Milos by means of complex attributes. Journal of the Balkan gaophysical Society, 3, 4, 77-86, 2000.

  79) A.Stampolidis , G.N. Tsokas, D. Panagiotopoulos, D. Kondopoulou, and A. Savvaidis,Analysis of Geomagnetic Field anomalies in Leptokarya area, NE Greece. , Journal of the Balkan gaophysical Society, 3, 4, 87-97, 2000.

80) P. Soupios, C.B. Papazachos, G.N. Tsokas and A. Vafeidis. Non linear simultaneous determination of reflector geometry and velocity structure by seismic tomography.  ?st??? st? pe???d??? Geophysical Prospecting.

81) I. Fikos, G. Vargemezis, G. N. Tsokas, P. Hatzidimitriou, G. Dimopoulos. Diachronic study of Free aquifers using the method of electric tomography. ??a?t??? t?? “5th International Conference on Environmental Pollution”,pp 241-248, August 28-31, 2000, Thessaloniki. 

82)  A. Stampolidis, G.N. Tsokas. Curie point depths of Macedonia and Thrace, N. Greece. PAGEOPH, 159, 2659-2671, 2002.

83) I. Fikos, G. Vargemezis, G. N. Tsokas, P. Hatzidimitriou, G. Dimopoulos. Diachronic study of Free aquifers using the method of electric tomography:A case study in Northern Greece. European Journal of environmental and Engineering Geophysics , 7, 185-193, 2002. 

84) A. Stampolidis, P. Soupios, G.N. Tsokas,F. Vallianatos. Detection of leaks in plastic water distribution in urban places- A case study. 2nd International workshop on advanced Ground Penetrating Radar. May 14-16, Delft, The Netherlands, 120-124, 2003.

 85) P. I. Tsourlos and G.N. Tsokas.Underwater Resistivity Surveying for Sludge Layer Parametrization. Proceedings, 1st International Conference “Advances in Mineral Resources Management and Environmental Geotechnology, 7-9 June, Hania, 2004.

        86) N.G. Diamanti, G.N. Tsokas, P.I. Tsourlos, A. Vafidis.  Integrated interpretation of geophysical data in the archaeological site of Europos (Northern Greece) Archaeological Prospection (in press).

       87)I.  Kane, G. N. Tsokas, A. Stampolidis, S.  Bushati, D. Kondopoulou.  The structure of the ophiolitic belt in albania inferred from geomagnetic anomalies. Annali di Geofisika (in press).

       88) B. Tsivouraki-Papafotiou, G.N. Tsokas, P.I. Tsourlos and S. Panas Regional-residual total magnetic field data separation in wavelet domain. Journal of the Balkan gaophysical Society, (in press).

        89) E.N. Athanasiou,  P.I. Tsourlos, C.B. Papazachos and G.N. Tsokas. A combined inversion algorithm of electrical resistivity for the most commonly used array types.  European Journal of environmental and Engineering Geophysics, (in press).

        90) I. Papadopoulos, P.I. Tsourlos, P. Karmis, G. Vergemezis, and G.N. Tsokas. A TDEM survey to define local hydrogeological structure in Anthemountas Basin. Journal of the Balkan gaophysical Society, (in press).