CURRICULUM VITAE

VASSILIS A. SAKKAS

PERSONAL DETAILS: Nationality: Greek Work Address: Department of Geophysics-Geothermy Panepistimiopolis – Ilissia, 15784 Athens -Greece e-mail: vsakkas@geol.uoa.gr Languages: English, French Phone: +30 210-7274914 EDUCATION: 1995-1999 Ph.D. in Geophysics - University of Leicester, UK. Research project: “Combined Transient Electromagnetic and Magnetotelluric

study across southern Kenya Rift Valley” 1988-1994 BSc in Physics - National and Kapodistrian University of Athens MILITARY SERVICE 5-1999/12-2000 Hellenic Air Force, with specialization of the Analyst-Programmer in the

Head Quarters of the Tactical Air Force – Larissa, and in the Head Quarters office of Air supplier - Eleysina

WORK EXPERIENCE: 2000-present Research Associate in Space Application Research Unit in Geosciences,

Department of Geophysics & Geothermics, Faculty of Geology & Geoenvironment, National and Kapodistrian University of Athens

As member of the Space Application Research Unit participate to National and International research projects that include the acquisition, analysis, processing and modelling of Geophysical and Space Data [GPS data, Satellite Radar Images (ERS1 & 2, ENVISAT), Satellite Thermal Images (ASTER – LANDSAT), Satellite Optical Images (IKONOS – QiuckBird)]. The projects are mainly financed by the European Union (IST projects), the General Secretariat for Research and Technology (GSRT) and the Earthquake Planning and Protection Organization (EPPO). 2002-2005 Lectures in Geophysical courses for Geophysics & Geothermics Dept. of

Athens University. 1995/1999 University of Leicester - Demonstrator to undergraduate and Post-Graduate

(MSc) courses and Laboratory experiments in Geophysics (geosciences, applied geophysics and experimental geophysics). Demonstrator to undergraduates and MSc field works in Devon and Wales (UK). Techniques demonstrated: Electromagnetic methods (EM31, Apex Max-Min), VLF (EM16), Transient Electromagnetic (Sirotem MKII, MK3), Induced

Polarization (Scintrex, Huntec), direct current (ABEM SAS 300) Magnetics (Scintrex MF-2 Fluxgate Magnetometer, EDA Omni)

1-5/1999 Contracts with private companies for environmental research using

Electromagnetic methods in Leicestershire and Nottinghamshire, UK (land fields, mining areas).

1993-1994 University of Athens, Department of Geophysics, field technician. 1991-1994 Work in a private educational institution as a tutor of physics and mathematics. RESEARCH EXPERIENCE Participation in the following research programs:

2005-2007 Investigations of seismic and volcanic activity in the Lithosphere-Troposphere-Ionosphere System based on Satellite and Ground Surface Measurements. Bilateral Co-operation Greece-Russia, General Secretariat of Research and Technology (GSRT), Athens.

2005-2007 Radon Risk Assessment for Urban Planning αt Atalanti Fault Zone: Evaluation οf Monitoring Strategies Bilateral Co-operation Greece-Ukraine: General Secretariat of Research and Technology (GSRT), Athens.

2004-2007 TERRAFIRMA: Pan-European Ground Motions Risk Assessment Service in Support of Policies Aimed at Protecting the Citizens against Natural & Anthropogenic Ground Motion Hazards. Global Monitoring for Environment & Security. European Space Agency (ESA) & EU

2003-2005 SEISMOPOLIS: Development of an Integrated System for the Earthquake Familiarization and Education of the Public. General Secretariat of Research and Technology (GSRT), Athens.

2003-2005 PERIANDROS: Earthquake Protection – Seismic Risk Management in Urban & Sub-Urban areas of Corinth Prefecture. [Financed by 3rd European Framework – Rural Active Programs of Peloponnese].

2003-2005 Crustal Deformation and Volcanic Hazard Assessment along the Hellenic Volcanic Arc (HVA). Announcement for Opportunities for Greece ESA (European Space Agency) project. (Id: AO GR 1497)

2003-2005 Application of Differential Interferometry Mapping Neotectonic Movements due to Human Induced Land Subsidence. AO ESA project. (Id: AO GR 1484)

2003-2005 Terrafirma. ESA’s GMES (Global Monitoringfor Environment and Security) Service Element Programme.

2003-2004 Development of an innovative monitoring tool for the quantitative and qualitative assessment of the pollutants at the agricultural land of the Shkumbini river side (lushnja district), in Albania. Greece-Albania Research project [Financed by General Secretariat for Research and Technology (GSRT)]

2002-2004 Joint Application of Space and Ground Techniques detecting Seismic precursors in Cephallonia Island (Greece). Italy-Greece Research project [Financed by General Secretariat for Research and Technology (GSRT)]

2001-2003 GEOWARN Geo-spatial Warning Systems: Nisyros Volcano (Greece) – An Emergency Case Study. [Financed by European Union, Project IST (1999 – 12310)].

2001-2002 Multi-disciplinary studies in the Broader Area of Atalanti Fault (Greece). [Financed by (EPPO)].

2001-2002 Precursory seismic studies in the Broader Area of Cephalonia (Greece)”. [Financed by (EPPO)].

Main research activities are the processing and analysis of the Differential GPS data and Differential Interferometric data, and the produce of theoretical model for the explanation of the ground deformation in the research areas. Processing and Analysis for the production of a 3-D Geoelectrical model of Nisyros Volcanic field, using older Magnetotelluric data. Forward and inversion modelling for the area of eastern central Greece and North Peloponnesus.

7/1995 Mining exploration contract for R.T.Z. Sa Company in Slovakia Republic. (EM,

TEM, IP, dc resistivity, VLF, gravity, magnetics). 1995-1998 Kenya Rift International Seismic Project 95 (KRISP) (Joint EU and USA project)

Organized planned and carried out Transient Electromagnetic TEM (SIROTEM MKII) and Magnetotelluric MT (S.P.A.M.MK IIb) field work in southern Kenya Rift Valley. Responsible for the quality of the data and technical problems that appeared.

6-8/1994 Participation in GPS (Ashtech, Wild, Trimble receivers) project in Kithira, Thira, Krete, Patraikos Gulf, Greece.

5/1994 Participation in Archaeological research in Nisiros-Giali, Greece (Magnetics, Micro-Gravity).

7/1993 Participation in GPS project in Corinthiakos Gulf, Greece. 1992/1993 Micro-Gravity ( Lacoste-Romberg Gravity meter) measurements in mountain

Parnitha, Greece. 10/1991 Participation in MT survey in Methana, Greece, organised by University of

Athens in co-operation with University of Edinburgh. COMPUTING EXPERIENCE: • Have extensively used many word-processing, spreadsheet and drawing packages for

writing and presenting reports, and commercial packages for geophysical data processing: Leica Geo-office and BERNESE v4.2 & 5.0 for GPS data processing Geotools for MT processing Temix-GL for TEM Generic Mapping Tool (GMT) for Geophysical presentation EARTH - View/EVInSAR, APP for DInSAR processing ERDAS and GEOMATICA V8.1.2 , for Image processing

• Currently learning Arc-GIS • Routinely used and altered FORTRAN codes for processing of geophysical data. Good

knowledge of PASCAL, HTML, JAVA, PHP, Perl. • Experienced in use of MS-DOS, WINDOWS, MAC LINUX and UNIX (SUN) operating

systems. PUBLICATIONS AND PRESENTATIONS MADE AT PROFESSIONAL MEETINGS: Poscolieri , M., Gregori, G.P., Lagios E., Marson, I., Lupieri , M., Paparo, G., Parcharidis, I., Sakkas, V., Ventrice, G. (2008). Crustal stress monitoring in the Cephallonia Island (Western Greece) on the basis of a multi-parametric Approach. Geophysical Research Abstracts, Vol. 10, EGU2008-A-00000, 2008 EGU General Assembly.

Meju, M.A. and Sakkas, V. (2007).. Heterogeneous crust and upper mantle across southern Kenya and the relationship to surface deformation as inferred from magnetotelluric imaging. Journal Geophysical Research, 112, B04103.

Lagios, E., Sakkas, V., Papadimitriou, P., Parcharidis, I., Damiata, B.N., Chousianitis, K., Vassilopoulou, S., (2007). Crustal deformation in the Central Ionian Islands (Greece):Results from DGPS and DInSAR analyses (1995–2006), Tectonophysics 444, 119–145.

Lagios, E., Vassilopoulou, S., Sakkas, V., Dietrich, V., Damiata, B.N., Ganas, A. (2007). Testing satellite and ground thermal imaging of low-temperature fumarolic fields: The dormant Nisyros Volcano (Greece). ISPRS Journal of Photogrammetry & Remote Sensing. doi:10.1016/j.isprsjprs.2007.07.003

Lagios E., Sakkas V., Parcharidis I., Vassilopoulou S., Wegmüller U. & Capes R. (2007). Long Term And Seasonal Ground Deformation Monitoring Of Larissa Plain (Central Greece) by Persistent Scatterer Interferometry (Psi) The 2007 International Geohazards Week. Abstract Book pp157, 21-22.

Vassilopoulou, S., Chousianitis, K., Sakkas, V., Damiata, B.N., Lagios, E., (2007). GIS development for graound deformation data management. A Case study in Cephallonia Island (Western Greece). Bull. Of The Geological Sociaty of Greece vol. XXXVII, Proceedings of the 11th Int. Congress.

Gregori, G., Lagios, E., Lupieri, M., Paparo, G., Parcharidis, I., Sakkas, V. (2007). Multi-parametric monitoring of crustal stress propagation in a very active tectonic area such as the Cephallonia island (Greece). IUGG 2007 Perugia – Abstract.

Parcharidis, I., Lagios, E., Sakkas, V., Raucoules, D., Feurer, D., & Le Mouelic, S. et al. (2006). Subsidence monitoring within the Athens basin (Greece) using space radar interferometric techniques. Earth, Planets and Space, 58(5), 505-513.

Poscolieri1, M., Lagios, E., Gregori1, P.G., Paparo, G., Sakkas, V., Parcharidis, I., Marson, I., Soukis, K., Vassilakis, E., Angelucci, F., Vassilopoulou, S., (2006). Crustal stress and seismic activity in the Ionian archipelago as inferred by satellite- and ground-based observations, Kefallinia, Greece. From: CELLO, G. & MALAMUD, B. D. (eds) 2006. Fractal Analysis for Natural Hazards. Geological Society, London, Special Publications, 261, 63–78.

Galanopoulos, D., Sakkas, V., Kosmatos, D., & Lagios, E. (2005). Geoelectric investigation of the Hellenic subduction zone using long period magnetotelluric data. Tectonophysics, 409(1-4), 73-84.

Lagios, E., Sakkas, V., Parcharidis, I., & Dietrich, V. (2005). Ground deformation of Nisyros volcano (Greece) for the period 1995-2002: Results from DInSAR and DGPS observations. Bulletin of Volcanology, 68(2), 201-214.

Parcharidis, I., Foumelis, M., Sakkas, V., & Lagios, E. (2005). Deformation monitoring in Kos island (Hellenic volcanic arc, eastern Greece) using differential interferometry. International Geoscience and Remote Sensing Symposium (IGARSS) 4, art. no. 1525674, pp. 2899-2902

Lagios., E., Parcharidis, I., Foumelis, M., Sakkas, V. (2005). Ground Deformation Monitoring of the Santorini Volcano using Satellite Radar Interferometry. IEEE, 667-672.

Lagios E., Sakkas V, Parcharidis Is., Vassilopoulou S., Poscolieri M., Gregori G.P, Paparo G., Marson I., (2004). Ground Deformation Deduced by DGPS, DInSAR, AE, and DEM analysis in Cephallonia Island. Proceedings of the 8th World Multi-Conference on Systemics, Cybernetics and Informatics, Orlando USA.

Parcharidis I., Lagios E., and Sakkas V (2004). Differential interferometry as a tool of an early warning system in reducing the volcano risk: the case of Nisyros volcano. Proceedings of 10th International Congerss of EGE, vol. of extended abstracts, p. 546-547.

Raucoules D., Lagios E., Parcharidis Is., Sakkas V., Feurer D., Le Mouelic S., King C., Carnec C., Novali F., Ferretti A., Capes R., Cooksley G. (2004).. Subsidence in the Athens Basin monitored by INSAR. Geophysical research Abstracts. Vol.6, 07046.

Vassilopoulou, S., Ganas, A., Sakkas V. & Lagios, E., (2004). Surface Temperature Monitoring of Nisyros Volcano (Greece) using Space and Ground Techniques. Proceedings of 10th International Congerss of EGE, vol. of extended abstracts, p.. 648-649

Sakkas V, Lagios E, Parcharidis Is, Soukis K & Vassilakis E. (2004). Ground Deformation deduced by DGPS and DInSAR in Cephallonia Island. Proceedings of 10th International Congerss of EGE, vol. of extended abstracts, p. 582-583

Sakkas, V., Pirli, M., Vassilopoulou, S., Kaviris, G., Kranis, CH., Voulgaris, N., Papadimitriou, P., Lagios, E. & Makropoulos, K. (2004). Crustal Deformation in the Broader Atalanti Area (Greece). XXIX General Assemply of the European Seismological Commission. Potsdam, Germany, Sept. 12-17, 2004 (abstract)

Ganas, A., Vassilopoulou, S., Sakkas, V., Lagios, E., Dietrich, V., Hurni, L. & Stavrakakis, G. (2003). Thermal Monitoring of Nisyros Volcano (Greece) by Digital Processing of Satellite Images. EGS – AGU – EUG Joint Assembly, Nice, France (Poster)

Lagios E., Ganas A., Parcharidis I., Sakkas V., & Vassilopoulou S., (2003). Volcano Hazard Monitoring using Space Techniques: The case study of Nisyros Island. 3rd GMES Meeting, Athens 2003 (Poster).

Sakkas V., Meju M.A. Khan M.A., Haak V., Simpson F., (2002). Magnetotelluric Images of the crustal structure of Chyulu Hills volcanic field, Kenya, Tectonophysics 346, 169-185

Sakkas V., Parcharidis Is., Vassilopoulou SP., Lagios E., (2002). Surface Displacement Model of Nisyros Volcanic Field deduced from DInSAR & DGPS Measurements, Eleventh General Assembly of the Wegener Project

Lagios E., Dietrich, V., Stavrakakis G., Parcharidis I., Sakkas V., Vassilopoulou, S., (2001). Does Nisyros Volcano (GR) Become Active? Seismic Unrest and Crustal Deformation. European Geologist, 12, 44-50.

Simpson, F.L., Haak, V., Khan, M.A., Sakkas, V., and Meju, M.A., (1997). The KRISP-94 magnetotelluric survey of early 1995: first results: Tectonophysics, 278, 261-271

Sakkas V.A., Meju M.A. Khan M.A. (1997). Transient Electromagnetic and Magnetotelluric Survey Across Southern Kenya Rift Valley: preliminary results, 5th International Congress of the Brazilian Geophysical Society.

Sakkas V.A., Meju M.A. Khan M.A., (1997). MT and TEM experiment in Southern Kenya, UKGA21 Conference (προφορική παρουσίαση).

Sakkas V., Meju M.A. Khan M.A., (1996). Correction of Static Shift in MT survey across Kenya Rift Valley using TEM data. German Electromagnetic colloquium (παρουσίαση poster).

Sakkas V., Meju M.A. Khan M.A., Simpson F., (1996). Transient Electromagnetic and Magnetotelluric Study of the Structure Across Southern Kenya Rift Valley. The 13th Workshop on Electromagnetic Induction in the Earth (παρουσίαση poster).