Pikridas C., 1999. The use of GPS technology and the Quality control of Geodetic Applications. Phd Thesis, Dept. of Geodesy & Surveying-AUTh. Thessaloniki, Greece
Katsougiannopoulos S., C. Pikridas, D. Rossikopoulos, I. M. Ifadis, A. Fotiou 2006. Tropospheric refraction estimation using various models, radiosonde measurements and permanent GPS data. Proceedings of FIG XXIII Congress and XXIX General Assembly, Munich, Germany, 8-13 October.
Katsougiannopoulos S., A. Fotiou, I.M. Ifadis, C. Pikridas, and D. Rossikopoulos 2008. Mapping function estimation of tropospheric components using radiosonde data. Application to the Greek area. Proceedings of the International Symposium on “Modern Technologies, Education and Professional Practice in Geodesy and Related Fields”, Sofia, Bulgaria, 6 - 7 November.
Katsougiannopoulos S. and C. Pikridas 2009. Prediction of Zenith Tropospheric Delay by multi-layer perceptron. Journal of Applied Geodesy vol. 3, pp. 223-229.
Katsougiannopoulos S., C. Pikridas and I.M. Ifadis, 2010. Predicting Zenith Tropospheric Delay using the Artificial Neural Network technique. Application to selected EPN stations. EUREF 201 Symposium, Gavle, Sweden, June.
Fotiou A., Pikridas C. 2012, GPS and Geodetic Applications, 2nd edition, (Eds.) Ziti, Thessaloniki, Greece. ISBN: 978-960-456-346-3.
Zinas N., S. Kontogiannis, G. Kokonis, C. Pikridas 2013. A novel microclimate forecasting system architecture integrating GPS measurements and meteorological-sensor data. Proceedings of 6th Balkan Conference in Informatics (BCI). 19-21 September, Thessaloniki, Greece.
Katsougiannopoulos S., C. Pikridas, N. Zinas, M. Chatzinikos, S. Bitharis 2014. Analysis of Precipitable Water estimates using permanent GPS station data during the Athens heavy rainfall on 22th February 2013. In: Rizos C., Willis P. (eds) IAG 150 Years. International Association of Geodesy Symposia, vol. 143. pp 1–8. Springer,Cham. Print ISBN 978-3-319-24603-1.
Pikridas C., S. Katsougiannopoulos, N. Zinas 2014. A comparative study of zenith tropospheric delay and precipitable water vapor estimates using scientific GPS processing software and web based automated PPP service. Status: Acta Geodaetica et Geophysica, vol.49, 2, Springer-Verlag. DOI: 10.1007/s40328-014-0047-7.
Pikridas C., S. Katsougiannopoulos, N. Zinas 2014. A comparative study of zenith tropospheric delay and precipitable water vapor estimates using scientific GPS processing software and web based automated PPP service. Status: Acta Geodaetica et Geophysica, vol.49, 2, Springer-Verlag. DOI: 10.1007/s40328-014-0047-7.
Pikridas C., Katsougiannopoulos S, Zinas N., 2014. GNSS permanent network infrastructure in Greece: Current status and future plans. Poster presentation at 1st Workshop COST-Action ES1206, Munich, Germany.
Pikridas C., Katsougiannopoulos S, Bitharis S., Chatzinikos M., Zinas N, Kouroudi A, Argyris I., 2014. The contribution of permanent GPS station PW data on heavy local rainfall events in the Greek area. Poster Presentation at General Assembly of EGU (European Geosciences Union), Vienna, Austria, 27 April – 2 May.
Pikridas C., 2014. Monitoring climate changes on small scale networks using ground based GPS and meteorological data. Journal of Planetary Geodesy-Artificial Satellites, vol. 49, No. 3. Walter De Gruyter.
Pikridas C. 2015. The use of GNSS tropospheric products for climate monitoring. A case study in the area of Ioannina North-Western Greece. South-Eastern European Journal of Earth Observation and Geomatics vol.4, pp.81-90. ISSN:2241-1224.
Fotiou A., Pikridas C., Katsougiannopoulos S., Zinas N., Bitharis S., Karolos I. 2015. Near Real Time processing of 90+ Greek permanent GNSS stations using GOP Engine: Current status and future plans. Oral presentation at 2nd Workshop COST-Action ES1206, Thessaloniki, Greece, 11-14 May.
Pikridas C., Lolis C., Katsougiannopoulos S., Zinas N., Chaskos D.C., Bartzokas A., 2015. Precipitable Water: Comparison between MM5 and GPS ZTD estimations for Northwestern Greece. Poster presentation at 2nd Workshop COST-Action ES1206, Thessaloniki, Greece, 11-14 May.
Dousa J., Pikridas C., Taykci E., 2015. Trop-NET System: engine for co-ordinated near real-time troposphere monitoring. Oral presentation at 2nd Workshop COST-Action ES1206, Thessaloniki, Greece, 11-14 May.
Katsougiannopoulos S., C. Pikridas, N. Zinas, S. Bitharis 2016. Near Real Time graphical representation of Tropospheric and Positioning products. Poster presentation at Workshop COST-Action ES1206, Reykjavik, Iceland, 8– 10 March.
Fotiou A, Pikridas C, Rossikopoulos D, Katsougiannopoulos S, Bitharis S, Karolos I.A 2016. Geodetic activities of GNSS-QC research team of AUTh. EUREF 2017 Symposium, San Sebastian, Spain, 25– 27 May.
Katsougiannopoulos S., C. Pikridas, N. Zinas, I. Karolos, S. Bitharis 2017. Near Real Time GNSS Tropospheric products over Greece. Poster presentation at Workshop COST-Action ES1206, Noordwijk, Netherlands, 21-23 February.
Bitharis S. and C. Pikridas 2018. Advanced tropospheric products from Multi-GNSS at AUTh. Geophysical Research Abstracts. Vol. 20, EGU2018-2567, EGU General Assembly Vienna, Austria.
Pikridas C., A. Fotiou, I. Karolos, S. Bitharis 2018. First results of BeRTISS project Geophysical Research Abstracts Vol. 20, EGU2018-13475, EGU General Assembly 2018 Vienna, Austria.
Pikridas Christos, Aristidis Fotiou, Stylianos Bitharis, Ion Karolos, Kyriakos Balidakis. BERTISS:BALKAN-MEDITERRANEAN REAL TIME SEVERE WEATHER SERVICE. THE CASE OF GREECE. Proceedings of 5th International Conference on Civil Protection & New Technologies-SafeKozani, Kozani, Greece 31-3 October-November.
Christina Oikonomou, Filippos Tymvios, Christos Pikridas, Stylianos Bitharis, Kyriakos Balidakis, Silas Michaelides, Haris Haralambous,, Demetris Charalambous.Tropospheric delay performance for GNSS integrated water vapor estimation by using GPT2w model, ECMWF's IFS operational model and in situ meteorological data. Advances in Geosciences, 45, 363-375.
BeRTISS project is included in the European GNSS Agency technology report for 2020.
Christos Giannaros , Vassiliki Kotroni , Konstantinos Lagouvardos, Theodore M. Giannaros and Christos Pikridas 2020.Assessing the Impact of GNSS ZTD Data Assimilation into the WRF Modeling System during High-Impact Rainfall Events over Greece.
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