Dr. Christopher Kotsakis (Visiting Scientist)
Shanghai Astronomical Observatory, Chinese Academy of Sciences
80 Nandan Road, Shanghai 200030, China
Tel: +86-21-34775294; Fax: +86-21-64384618
E-mail: kotsaki@topo.auth.gr
Website: http://center.shao.ac.cn/geodesy/kotsakis.html

Education

• 1996-2000, Ph.D, Geodesy, University of Calgary, Calgary, Canada
• 1991-1995, B.Sc, Geodesy, Aristotle University of Thessaloniki, Thessaloniki, Greece

Employment

• 2011-2012, Visiting Scientist, Shanghai Astronomical Observatory, CAS, Shanghai, China
• 2009-Now, Associate Professor, Aristotle University of Thessaloniki, Thessaloniki, Greece
• 2004-2009, Assitant Professor, Aristotle University of Thessaloniki, Thessaloniki, Greece
• 2002-2004, Assitant Professor, Dep. Geomatics Eng., University of Calgary, Calgary Canada.
• 2000-2001, Post-Doc Fellow, Dep. Geomatics Eng., University of Calgary, Calgary, Canada.

Research Interests

• Coordinate System & Adjustment
• Mathematic & theoretical Geodesy

Journal Papers

• Kotsakis, C. (2008), Transforming ellipsoidal heights and geoid undulations between different geodetic reference frames, J. Geod., 82(4-5), 261-261, doi: 10.1007/s00190-007-0174-9. (SCI)
• Kotsakis, C. (2005), On the trade-off between model expansion, model shrinking and parameter estimation accuracy in least-squares data analysis. J. Geod., 79(8), 460-466, doi: 10.1007/s00190-005-0479-5. (SCI)

Conference Papers

• Zhang, X.G., S.G. Jin, and K. Kotsakis, Geocenter motion from GPS and GRACE measurement, Proceeding of International Symposium on Space Geodesy and Earth System, August 18-20, 2012, Shanghai, China, pp.
• Kotsakis, C. (2007), On the problem of geoid height transformation between different geodetic reference frames. Proceedings of the First International Symposium of the International Gravity Field Service, Istanbul, Turkey, August 28 - September 1, 2006. In: Harita Dergisi (A. Kilicoglu and R. Forsberg, eds.), General Command of Mapping, Ankara, 73(18): 136-141.