Dr. Guergana Guerova

Guergana Guerova''s photo

Personal Data
Project: SUADA
Function: Head of project
Email: guerova@phys.uni-sofia.bg
Telephone: +359 2 8161 291
Thesis PhD
Address
Sofia University, Faculty of Physics, Department of Meteorology and Geophysics, 5 James Bourchier Blvd., BG-1164 Sofia, Bulgaria

Research Interests

  1. Global Navigation Satellite Systems (GNSS): GPS, GLONASS, GALILEO
  2. GNSS Meteorology and Climatology
  3. Chemical weather: heatwaves, forest fires, long range pollution transport
  4. Trends of atmospheric water vapour, trace gases and aerosols and their role in the bio-geochemical and the hydrological cycles

PhD thesis: student mentored

  1. Nikolay Penov (2017-2020)
  2. Krasimir Stoev (2016-2020)
  3. Biliana Mircheva (2016-2019)
  4. Martin Slavchev (2015-2019)
  5. Tzvetan Simeonov (2013-2016)
  6. Ilian Manafov (2012-2017). Thesis summary: "Fog forecasting for Sofia airport" (in Bulgarian).

BSc/MSc thesis topics: proposed

  1. Extreme weather events in Bulgaria.

BSc/MSc thesis: student mentored

  1. Tepsizova G., 2017. "Extreme weather events in South-east Europe: 2014 floods". MSc thesis, Sofia University, Sofia, Bulgaria. (bg)
  2. Klestanova V., 2016. "Nowcasting". BSc thesis, Sofia University, Sofia, Bulgaria. (bg)
  3. Penov N., 2016. "Ionospheric response to sudden stratospheric warmings". MSc thesis, Sofia University, Sofia, Bulgaria. (en)
  4. Mircheva B., 2016. "Terrestrial water storage anomaly during the 2007 heat wave in Bulgaria". MSc thesis, Sofia University, Sofia, Bulgaria. (en)
  5. Slavchev M., 2015. "High resolution 2D IWV maps for Bulgaria and Greece. Study of 22 precipitation cases in 2012". MSc thesis, Sofia University, Sofia, Bulgaria. (bg)
  6. Egova E., 2015. "Intecomparison of the IWV from GNSS and Numerical Weather Prediction model WRF for Bulgaria". MSc thesis, Sofia University, Sofia, Bulgaria. (bg)
  7. Stoev K., 2014. "Climatology of the foehn in Sofia (1975-2005)". MSc thesis, Sofia University, Sofia, Bulgaria. (bg)
  8. Penov N., 2014. "Ionospheric response to sudden stratospheric warmings". BSc thesis, Sofia University, Sofia, Bulgaria. (bg)
  9. Mircheva B., 2014. "GNSS radio occultation". BSc thesis, Sofia University, Sofia, Bulgaria. (bg)
  10. Egova E., 2013. "GNSS water vapour tomography". BSc thesis, Sofia University, Sofia, Bulgaria. (bg)
  11. Vladimirov E., 2013. "Water vapour inter comparison between radiosonde and GNSS data for the period 2001-2007 for station Sofia". BSc thesis, Sofia University, Sofia, Bulgaria. (bg)
  12. Yordanova N., 2013. "Application of GNSS Meteorology to study extreme events in Bulgaria/Southeast Europe". MSc thesis, Sofia University, Sofia, Bulgaria. (bg)
  13. Simeonov Tzv., 2013. "Sofia University Atmospheric Data Archive". MSc thesis, Sofia University, Sofia, Bulgaria. (en)
  14. Simeonov Tzv., 2011. "Application of ground-based GNSS meteorology in Bulgaria". BSc thesis, Sofia University, Sofia, Bulgaria. (bg)
  15. Kent P., 2008. "Nitrogen from the Australian Desert: a globally significant intermittent source of soil NOx?". BSc thesis, University of Wollongong, Wollongong, Australia. (en)

Publications: PhD thesis

  1. Guerova, G., 2003. "Application of GPS derived water vapour for Numerical Weather Prediction in Switzerland." PhD thesis, University of Bern, Bern, Switzerland.
  2. Guerova, G., 2010. "Application of GPS derived water vapour for Numerical Weather Prediction in Switzerland." PhD thesis summary in Bulgarian.

Publications: Book Chapter

  1. Guerova G., 2005. "Assimilation trial results: MeteoSwiss." in COST 716: Exploitation of ground-based GPS for operational numerical weather prediction and climate applications, G. Elgered, P. Plag, H. van der Marel, S. Barlag, J. Nash [editor(s)], European Commission, Brussels [publisher], 2005, pp. 125-128, ISBN/ISSN: 92-898-0012-7.

Publications: Articles in Journals

  1. Mircheva B., M. Tsekov, U. Meyer and G. Guerova, Anomalies of hydrological cycle components during the 2007 heat wave in Bulgaria, Journal of Atmospheric and Solar-Terrestrial Physics, accepted 10/2017.
  2. Stoycheva A., I. Manafov, K. Vassileva and G. Guerova, 2017. Study of persistent fog in Bulgaria with Sofi a Stability Index, GNSS tropospheric products and WRF simulations. Journal of Atmospheric and Solar-Terrestrial Physics, 161, 160-169, doi:10.1016/j.jastp.2017.06.011.
  3. Guerova G., J. Jonas, J. Dousa, G. Dick, S. de Haan, E. Pottiaux, O. Bock, R. Pacione, G. Elgered, H. Vedel, and M. Bender, 2016. Review of the state of the art and future prospects of the ground-based GNSS meteorology in Europe. Atmos. Meas. Tech., 9, 5385-5406, 2016, 10.5194/amt-9-5385-2016.
  4. Manafov I. and G. Guerova, 2016. Assimilation experiments with WRF model of fog case at Sofia airport. Annuaire de l'Universite de Sofia "St. Kliment Ohridski", Faculte de Physique, 109, xx-xx.
  5. Stoycheva А. and G. Guerova, 2015. Study of fog in Bulgaria by using the GNSS tropospheric products and large scale dynamic analysis. Journal of Atmospheric and Solar-Terrestrial Physics, 133, 87-97, doi:10.1016/j.jastp.2015.08.004.
  6. Manafov I. and G. Guerova, 2015. Numerical simulations of 18 fog case studies at Sofia airport in the period 2011-2014. Annuaire de l'Universite de Sofia "St. Kliment Ohridski", Faculte de Physique, 108, 48-61.
  7. Penov N., D. Pancheva, P. Mukhtarov and G. Guerova, 2015. Ionospheric response to sudden stratospheric warming in January 2009 recorded by ionosonde measurements. Proceedings of the Bulgarian Academy of Sciences, 68, 2, 241-250.
  8. Guerova G., Tzv. Simeonov and N. Yordanova, 2014. The Sofia University Atmospheric Data Archive (SUADA), Atmos. Meas. Tech., 7, 2683-2694, doi:10.5194/amt-7-2683-2014.
  9. Guerova G., 2014. Water vapor anomaly during the 2003 European summer. Annuaire de l'Universite de Sofia "St. Kliment Ohridski", Faculte de Physique, 107, 58-67.
  10. Simeonov Tzv., K. Vasileva and G. Guerova, 2013. Application of ground-based GNSS meteorology in Bulgaria/Southeast Europe: case study 2007 heat wave. Annuaire de l'Universite de Sofia "St. Kliment Ohridski", Faculte de Physique, 106, 88-100.
  11. Guerova G., and N. Jones, 2009. 2003 megafires in Australia: impact on tropospheric ozone & aerosols. Atmos. Chem. Phys. Discuss., 9, 3007-3040, doi:10.5194/acpd-9-3007-2009.
  12. Guerova G., and N. Jones, 2007. A global model study of ozone enhancement during the August 2003 heat wave in Europe. Environm. Chem., 4, 285-292, doi:10.1071/EN07027.
  13. Guerova G., I. Bey, J.-L. Attie, R. V. Martin, J. Cui and M. Sprenger, 2006. Impact of transatlantic transport episodes on summertime ozone in Europe. Atmos. Chem. Phys., 6, 2057-2072.
  14. Guerova G., Bettems J.-M., Brockmann E., and Ch. Matzler, 2006. Assimilation of COST 716 Near Real Time GPS data in the non hydrostatic limited area model used at MeteoSwiss. Meteorol. Atmos. Phys., 91, 1-4, 149-164, doi:10.1007/s00703-005-0110-6.
  15. Guerova G., E. Brockmann, F. Schubiger, J. Morland and Ch. Matzler, 2005. An integrated assessment of measured and modeled IWV in Switzerland for the period 2001-2003. J. Appl. Meteorol., 44, 7, 1033-1044.
  16. Guerova G., J.-M. Bettems, E. Brockmann, and Ch. Matzler, 2004. Assimilation of the GPS-derived Integrated Water Vapour (IWV) in the MeteoSwiss Numerical Weather Prediction model - a first experiment. Phys. Chem. Earth., 29, 2-3, 177-186.
  17. Guerova G., E. Brockmann, J. Quiby, F. Schubiger, and Ch. Matzler, 2003. Validation of NWP mesoscale models with Swiss GPS Network AGNES. J. Appl. Meteorol., 42, 1, 141-150.
  18. Mitzeva R., and G. Guerova, 2000. Numerical study of heat and moisture exchange in the morning boundary layer. Idojaras, 104, 2, 109-122.
  19. Mitzeva R., and G. Gerova, 1997. Numerical study of cloud microphysics with three one-dimensional dynamic approach. Bulgarian Geophysical Journal, 3-4, 5-14.

Publications: Conference Proceeding and Research Reports

  1. Guerova, G., Tzv. Simeonov and K. Vassileva: Comparison of GNSS Tropospheric Products Obtained by Two Processing Strategies, Proceedings of International symposium on modern technologies, education and professional practice in geodesy and related fields, Sofia, Bulgaria, 3-4/11/2016, 8 p. ISSN 2367-6051.
  2. Guerova G., A. Stoycheva, and I. Manafov: Use of GNSS tropospheric products and numerical weather prediction model to study fog in Bulgaria, Proceedings of the 5th International Colloquium - Scientific and Fundamental Aspects of the Galileo Programme, Braunschweig, Germany, 27-29/10/2015.
  3. Guerova G., M. Slavchev, R. Mitzeva, Tsv. Dimitrova and Tzv. Simeonov: Use of GNSS water vapour for severe weather studies in Bulgaria: hail and heavy rain in 2012, Proceedings of the 8th European Conference on Severe Storms – ECSS 2015, Wiener Neustadt, Austria, 14-18/09/2015.
  4. Hackman Ch., G. Guerova, Sh. Byram, J. Dousa and U. Hugentobler, "International GNSS Service (IGS) Troposphere Products and Working Group Activities", FIG working week, 17-21/05/2015, Sofia, Bulgaria.
  5. Stoycheva А. and G. Guerova, "Fog case studies using the GNSS tropospheric products in Bulgaria", FIG working week, 17-21/05/2015, Sofia, Bulgaria.
  6. Guerova G., "Exploitation of Ground-Based GNSS for Meteorology and Climate Studies in Bulgaria/Southeast Europe", FIG working week, 17-21/05/2015, Sofia, Bulgaria.
  7. Simeonov Tzv., D. Sidorov, N. Teferle, G. Guerova E. Egova, K. Vassileva, I. Milev and G. Milev "Sofia University GNSS Analysis Centre", FIG working week, 17-21/05/2015, Sofia, Bulgaria.
  8. Guerova G., J. Jones, J. Dousa, G. Dick, S. de Haan, E. Pottiaux, O. Bock, R. Pacione, G. Elgered, and H. Vedel: Advanced Global Navigation Satellite Systems tropospheric products for monitoring severe weather events and climate (GNSS4SWEC), Proceedings of the 4th International Colloquium - Scientific and Fundamental Aspects of the Galileo Programme, Prague, Czech Republic, 4-6.12.2013.
  9. Guerova G.: Ground-based GNSS Meteorology: case studies for Bulgaria/Southeast Europe, Proceedings of the 4th International Colloquium - Scientific and Fundamental Aspects of the Galileo Programme, Prague, Czech Republic, 4-6.12.2013.
  10. Milev G, K. Vassileva, I. Milev, R. Pelovski, I. Andreev, G. Guerova, "Current status and activities of satellite ground-based system EUPOS and EUPOS-BG", EUPOS GNSS Symposia, 10.2013 Berlin, Germany.
  11. Manafov I. and G. Guerova: Numerical simulations of fog case studies at Sofia airport in 2012, Proceedings of the 2nd National Physics Congress, 26-29.09.2013, Sofia, Bulgaria.
  12. Yordanova N., G. Guerova and A. Stoycheva: Application of GNSS meteorology for intense precipitation case studies in Bulgaria, Proceedings of the 2nd National Physics Congress, 26-29.09.2013, Sofia, Bulgaria.
  13. Pashova L., G. Guerova, K. Grukov and R. Petrov: Application of Global Navigation Satellite Systems for atmosphere sounding. Proceedings of the 70th anniversary UACEG International Jubilee Conference "UACEG 2012: Science & Practice" 15-17.11.2012 in Sofia, Bulgaria.
  14. Guerova G., J. Morland, and Tzv. Simeonov: GNSS and heat waves: case studies for 2003 and 2007. Proceedings of the 3rd International Colloquium - Scientific and Fundamental Aspects of the Galileo Programme, Copenhagen, Denmark, 2011.
  15. Jones., N., and G. Guerova, 2007: APAC-MAS project m19: 3D Chemical transport Modelling of Australian Biomass Burning Emissions. Merit Allocation Scheme 2007 progress report, 2007.
  16. Jones., N., and G. Guerova: APAC-MAS project m19: 3D Chemical transport Modelling of Australian Biomass Burning Emissions. Merit Allocation Scheme 2006 progress report, 2006.
  17. Brockmann E., D. Ineichen, G. Guerova, J.-M. Bettems, A. Somieski, M. Troller, M. Becker and P. Haefele: Activities of Swisstopo in GPS Meteorology. Proceedings of the IGS. Symposium, Berne, Switzerland, 2004.
  18. Guerova G.,: COST 716 Short Term Scientific Mission - report. IAP Research Report, IAP ID 730, No. 2003-16, available from: http://www.iap.unibe.ch/publications/pub-detail.php?lang=en&id=730 .
  19. Guerova G., and M. Tomassini: Monitoring IWV from GPS and limited - area forecast model. IAP Research Report, IAP ID 729, No. 2003-15, 2003. Available from: http://www.iap.unibe.ch/publications/pub-detail.php?lang=en&id=729 .
  20. Guerova G.,: Derivation of Integrated Water Vapour (IWV) from the ground - based GPS estimates of Zenith Total Delay (ZTD). IAP Research Report, IAP ID 553, No. 2003-08, 2003. Available from: http://www.iap.unibe.ch/publications/pub-detail.php?lang=en&id=553 .
  21. Guerova G., J.-M. Bettems, E. Brockmann and Ch. Matzler: Assessment of the impact of the GPS data assimilation on the performance of MeteoSwiss NWP model, Proceedings of International Workshop on GPS-Meteorology, Tsukuba, Japan, 2003.
  22. Brockmann E., G. Guerova, M. Troller: Swiss activities in combining GPS with meteorology, Mitteilungen des Bundesamtes für Kartographie und Geodäsie, 23, 95-99, 2002.
  23. Guerova G., J.-M. Bettems, E. Brockmann, and Ch. Matzler: Assimilation of GPS measurements in the aLpine Model: sensitivity experiment, available at http://op.gfz-potsdam.de/D1/COST716, 2nd Works hop of COST Action 716, Exploitation of ground-based GPS for Meteorology, Potsdam, Germany, 2002.
  24. Maetzler Ch., L. Martin, G. Guerova, and Th. Ingold: Assessment of integrated-water-vapour data at Bern from GPS, sun photometry, microwave radiometry and radiosonde, available at http://op.gfz-potsdam.de/D1/COST716, 2nd Workshop of COST Action 716, Exploitation of ground-based GPS for Meteorology, Potsdam, Germany, 2002.
  25. E. Brockmann, G. Guerova, and M. Troller: Swiss Activities in Combining GPS with Meteorology, Proceedings of EUREF Workshop, Dubrovnik, Croatia, 2001.
  26. Mitzeva R., and G. Guerova: Numerical simulation of the Colorado hail storm of 24 June 1992 with two one-dimensional models. Proceedings of Fourth International Cloud Modeling Workshop, Clermont Ferrand, France, 1996.

Oral and Poster presentations (2000 ->)

  1. Guerova G. "The atmospheric physics: basic principles", Physic teacher training school, 10-14/07/2017, Sofia, Bulgaria. (lecture)
  2. Guerova G. "Atmospheric fronts", Physic teacher training school, 10-14/07/2017, Sofia, Bulgaria. (lecture)
  3. Guerova G., "Atmospheric pollution: sources and transport", Annual meeting of the Avio-meteorologic club, Borevents, Bulgaria 3-4/06/2017. (invited oral)
  4. Tzv. Simeonov, S. Vey, F. Alshawaf, G. Dick, G. Guerova, A. Güntner, Ch. Hohmann, A. Kunwar, Be. Trost and J. Wickert, "Monitoring water cycle elements using GNSS geodetic receivers at the field research station Marquardt, Germany", EGU General Assembly 2017, Vienna, Austria, 23-28/04/2017. (poster)
  5. Jones J., G. Guerova, J. Dousa, G. Dick, S. de Haan, E. Pottiaux, O. Bock and R. Pacione, "Advanced Global Navigation Satellite Systems tropospheric products for monitoring severe weather events and climate (GNSS4SWEC)", EGU General Assembly 2017, Vienna, Austria, 23-28/04/2017. (poster)
  6. Guerova G., "Convection with ground based sensors: GNSS Meteorology", 2nd International Training School on "Convective and volcanic clouds detection, monitoring and modeling", Tarquinia, Italy, 19-28/10/2016. (invited lecture)
  7. Guerova G., Tzv. Simeonov, M. Slavchev, A. Stoycheva, B. Mircheva, "Bulgarian contribution to COST Action Advanced Global Navigation Satellite Systems tropospheric products for monitoring severe weather events and climate (GNSS4SWEC)", 3nd National Physics Congress, 29/09-2/10/2016, Sofia, Bulgaria. (oral)
  8. Stoycheva A., I. Manafov, K. Vassileva, G. Guerova, "Monitoring Prolonged Fog in January 2014 at Sofia with Sofia Stability Index and GNSS Tropospheric Products", 3nd National Physics Congress, 29/09-2/10/2016, Sofia, Bulgaria. (oral)
  9. Stoev K., and G. Guerova, "Typification of the foehn in Sofia for the period 1975-2014", 3nd National Physics Congress, 29/09-2/10/2016, Sofia, Bulgaria. (oral)
  10. Manafov I. and G. Guerova, 2016. "Assimilation experiments with WRF model of fog case at Sofia airport", 3nd National Physics Congress, 29/09-2/10/2016, Sofia, Bulgaria. (poster)
  11. Stoycheva A., G. Guerova and K. Vassileva, "Fog case study with GNSS tropospheric products, Sofia Stability Index and WRF model", 16th EMS Annual Meeting & 11th European Conference on Applied Climatology, 12-16/09/2016, Trieste, Italy. (oral)
  12. Guerova G. and M. Slavchev, "Comparison of WRF model with GNSS tropospheric products during intense precipitation events in Bulgaria", 16th EMS Annual Meeting & 11th European Conference on Applied Climatology, 12-16/09/2016, Trieste, Italy. (poster)
  13. Stoev K., M. Slavchev and G. Guerova, "Use of GNSS tropospheric products to study the foehn in Sofia for the 2004, 2008 and 2010", GNSS4SWEC working group meeting, 1-2/09/2016, GFZ, Potsdam, Germany. (oral)
  14. Guerova G., Tzv. Simeonov and K. Vassileva, "Comparison of IWV from PPP and PNP strategies for December 2013", GNSS4SWEC working group meeting, 1-2/09/2016, GFZ, Potsdam, Germany. (oral)
  15. Stoev K., M. Popova and G. Guerova, "Typfication and climatology of the foehn in Sofia 1975-2014", 2nd GNSS4SWEC summer school, 29-31/08/2016, Potsdam, Germany. (poster)
  16. Jones J., G. Guerova, J. Dousa, G. Dick, S. de Haan, E. Pottiaux, O. Bock and R. Pacione, "Advanced Global Navigation Satellite Systems tropospheric products for monitoring severe weather events and climate (GNSS4SWEC)", 13 Annual Meeting, Asia Oceania Geosciences Society, 31/07-5/08/2016, Beijing, China. (invited oral)
  17. Jones J., G. Guerova, J. Dousa, G. Dick, S. de Haan, E. Pottiaux, O. Bock and R. Pacione, "Advanced Global Navigation Satellite Systems tropospheric products for monitoring severe weather events and climate (GNSS4SWEC)", 1st Baltic Earth Conference Multiple drivers for Earth system changes in the Baltic Sea region, 13-17/06/2016, Nida, Curonian Spit, Lithuania. (invited oral)
  18. Guerova G., J. Jones, J. Dousa, G. Dick, S. de Haan, E. Pottiaux, O. Bock and R. Pacione, "Contribution of Bulgaria to COST Action Advanced Global Navigation Satellite Systems tropospheric products for monitoring severe weather events and climate (GNSS4SWEC)", Annual meeting of the Avio-meteorologic club, Stara Zagora, Bulgaria 18-19/06/2016. (invited oral)
  19. Jones J., G. Guerova, J. Dousa, G. Dick, S. de Haan, E. Pottiaux, O. Bock and R. Pacione, "Advanced Global Navigation Satellite Systems tropospheric products for monitoring severe weather events and climate (GNSS4SWEC)", EGU General Assembly 2016, Vienna, Austria, 17/04-22/04/2016. (poster)
  20. Slavchev M., G. Guerova and A. Stoycheva, "Evaluation of NWP WRF model with GNSS-IWV during intense precipitation cases in Bulgaria", 3rd GNSS4SWEC workshop, 8-10/03/2016, Reykjavik, Iceland. (oral)
  21. Stoycheva A., I. Manafov, K. Vassileva and G. Guerova, "Monitoring fog at Sofia Airport using GNSS tropospheric products and Sofia Stability Index", 3rd GNSS4SWEC workshop, 8-10/03/2016, Reykjavik, Iceland. (oral)
  22. Mircheva B., Tzv. Simeonov, G. Guerova and P.Szabo, "Study of the 2007 heat wave in South-east Europe: anomalies and connections of IWV, temperature, precipitation and terrestrial water storage", 3rd GNSS4SWEC workshop, 8-10/03/2016, Reykjavik, Iceland.(oral)
  23. Guerova G., I. Manafov, K. Vassileva, "Fog forecast impact studies for Sofia Airport: Numerical Weather Prediction simulation and use of GNSS tropospheric products", 25th International symposium Modern technologies, education and professional practice in geodesy and related fields, 6/11/2015, Sofia, Bulgaria. (oral)
  24. Guerova G., A. Stoycheva, and I. Manafov, "Use of GNSS tropospheric products and numerical weather prediction model to study fog in Bulgaria", 5th International Colloquium - Scientific and Fundamental Aspects of the Galileo Programme, Braunschweig, Germany, 27-29/10/2015. (oral)
  25. Jones J., G. Guerova, J. Dousa, G. Dick, S. de Haan, E. Pottiaux, O. Bock, R. Pacione, "COST Action ES1206 : Advanced Global Navigation Satellite Systems Tropospheric Products for Monitoring Severe Weather Events and Climate (GNSS4SWEC)", 5th International Colloquium - Scientific and Fundamental Aspects of the Galileo Programme, Braunschweig, Germany, 27-29/10/2015. (oral)
  26. Guerova G., "Convection with ground based sensors: GNSS Meteorology", 1st International Training School on "Convective and volcanic clouds detection, monitoring and modeling", Castiglione del Lago, Italy, 27-29/10/2015. (invited lecture)
  27. Guerova G., M. Slavchev, R. Mitzeva, Tsv. Dimitrova and Tzv. Simeonov, "Use of GNSS water vapour for severe weather studies in Bulgaria: hail and heavy rain in 2012", 8th European Conference on Severe Storms – ECSS 2015, Wiener Neustadt, Austria, 14-18/09/2015. (poster)
  28. Danchovski V., G. Guerova, D. Ivanov, P. Savov, N. Kolev, Tsv. Evgenieva and E. Donev, "One-year comparison of PBL structure derived by ceilometer, radiosonde, and weather prediction model in Sofia, Bulgaria", EMS & ECAM 2015, 7-11/09/2015, Sofia, Bulgaria.(oral)
  29. A. Stoycheva and G. Guerova, "Study of fog dynamics in Bulgaria with the GNSS tropospheric products", EMS & ECAM 2015, 7-11/09/2015, Sofia, Bulgaria.(oral)
  30. I. Manafov and G. Guerova, "Numerical simulations of fog cases at Sofia airport for 2011-2014", EMS & ECAM 2015, 7-11/09/2015, Sofia, Bulgaria.(poster)
  31. G. Guerova, M. Slavchev, A. Stoycheva, and Tzv. Simeonov, "Study of frontal and concective intense precipitation cases in 2012 with GNSS tropospheric products and NWP model WRF for Bulgaria", EMS & ECAM 2015, 7-11/09/2015, Sofia, Bulgaria.(oral)
  32. Guerova G., "Exploitation of ground-based GNSS for Meteorology and Climate studies in Bulgaria/South-Eastern Europe", School of Civil & Environmental Engineering, The University of New South Wales, 20/08/2015, Sydney, Australia. (oral)
  33. Hackman Ch., G. Guerova, Sh. Byram, J. Dousa and U. Hugentobler, "International GNSS Service (IGS) Troposphere Products and Working Group Activities", FIG working week, 18/05/2015, Sofia, Bulgaria. (oral)
  34. Stoycheva А. and G. Guerova, "Fog case studies using the GNSS tropospheric products in Bulgaria", FIG working week, 18/05/2015, Sofia, Bulgaria. (oral)
  35. Guerova G., "Exploitation of Ground-Based GNSS for Meteorology and Climate Studies in Bulgaria/Southeast Europe", FIG working week, 18/05/2015, Sofia, Bulgaria. (oral)
  36. Simeonov Tzv., D. Sidorov, N. Teferle, G. Guerova and E. Egova, "Sofia University GNSS Analysis Centre", FIG working week, 19/05/2015, Sofia, Bulgaria. (oral)
  37. Simeonov Tzv., D. Sidorov, N. Teferle, G. Guerova, E. Egova, K. Vasileva, I. Milev and G. Milev, "SUGAC: Sofia University GNSS Analysis Centre", EGU annual assembley, Vienna, Austria, 13-17/04/2015. (poster)
  38. Jones J., G. Guerova, J. Dousa, G. Dick, S. de Haan, E. Pottiaux, O. Bock, R. Pacione, "COST Action ES1206 : Advanced Global Navigation Satellite Systems Tropospheric Products for Monitoring Severe Weather Events and Climate (GNSS4SWEC)", EGU annual assembley, Vienna, Austria, 13-17/04/2015. (poster)
  39. Guerova G., I. Manafov and K. Vassileva, "Fog forecast impact studies for Sofia Airport: Numerical Weather Prediction simulation and use of GNSS tropospheric products", United Nations/ICTP Workshop on the Use of Global Navigation Satellite Systems for Scientific Applications, 1-5/12/2014, Trieste, Italy. (oral)
  40. Guerova G., “Synoptic Meteorology”, staff training of the Bulgarian Hail Suppression Agency, 10-14/11/2014, Bansko, Bulgaria. (series of invited lectures)
  41. Szabó P., Guerova G., and Szépszó G. "Reprocessed GNSS tropospheric products for regional climate model validation in Southeast Europe - some results so far", 24rd International symposium Modern technologies, education and professional practice in geodesy and related fields, 7/11/2014, Sofia, Bulgaria. (oral)
  42. Simeonov Tzv., D. Sidorov, N. Teferle, G. Guerova, E. Egova, K. Vasileva, I. Milev and G. Milev, "One year comparison of IWV derived from GNSS in Bulgaria and the numerical weather prediction model WRF", 24rd International symposium Modern technologies, education and professional practice in geodesy and related fields, 7/11/2014, Sofia, Bulgaria. (oral)
  43. Guerova G. "Scientific writing & Scientific writing clinic", 1st GNSS4SWEC Summer School, 8-11/09/2014, Golden sands, Bulgaria. (invited lecture)
  44. Jones J., G. Guerova, J. Dousa, G. Dick, S. de Haan, E. Pottiaux, O. Bock, R. Pacione, G. Elgered, and H. Vedel, "COST Action ES1206:Advanced Global Navigation Satellite Systems tropospheric products for monitoring severe weather events and climate (GNSS4SWEC)", IGS Workshop "Celebrating 20 Years of Service and looking forward toward the future", Pasadena, USA, 23-07/06/2014. (invited oral)
  45. Simeonov Tzv, D. Sidorov, N. Teferle, G. Guerova, E. Egova, K. Vasileva, I. Milev and G. Milev, "SUGAC: Sofia University GNSS Analysis Centre", IGS Workshop "Celebrating 20 Years of Service and looking forward toward the future", Pasadena, USA, 23-07/06/2014. (poster)
  46. Guerova G., Tzv. Simeonov and N. Yordanova, "Exploitation of ground-based GNSS for Meteorology and Climate studies in Bulgaria/Southeast Europe", IGS Workshop "Celebrating 20 Years of Service and looking forward toward the future", Pasadena, USA, 23-07/06/2014. (poster)
  47. Szabó P., G. Guerova and G. Szépszó, "Reprocessed GNSS tropospheric products for regional climate model validation in Southeast Europe", IGS Workshop "Celebrating 20 Years of Service and looking forward toward the future", Pasadena, USA, 23-07/06/2014. (poster)
  48. Yordanova N., G. Guerova and A. Stoycheva"Application of GNSS meteorology for intense precipitation case studies in Bulgaria", EGU General Assembly 2014, Vienna, Austria, 27/04-02/05/2014. (poster)
  49. Jones J., G. Guerova, J. Dousa, G. Dick, S. de Haan, E. Pottiaux, O. Bock, R. Pacione, G. Elgered, and H. Vedel, "Advanced Global Navigation Satellite Systems tropospheric products for monitoring severe weather events and climate (GNSS4SWEC)", EGU General Assembly 2014, Vienna, Austria, 27/04-02/05/2014. (poster)
  50. Guerova G., "Soifa University Atmospheric data archive (SUADA)", 46th annual Fall Meeting of the American Geophysical Union, San Francisco, USA, 9-13/12/2013. (poster)
  51. Guerova G., J. Jones, J. Dousa, G. Dick, S. de Haan, E. Pottiaux, O. Bock, R. Pacione, G. Elgered, and H. Vedel, "Advanced Global Navigation Satellite Systems tropospheric products for monitoring severe weather events and climate (GNSS4SWEC)", 4th International Colloquium - Scientific and Fundamental Aspects of the Galileo Programme, Prague, Czech Republic, 4-6/12/2013. (oral)
  52. Guerova G., "Ground-based GNSS Meteorology: case studies for Bulgaria/Southeast Europe", 4th International Colloquium - Scientific and Fundamental Aspects of the Galileo Programme, Prague, Czech Republic, 4-6/12/2013. (oral)
  53. Guerova G., "Ground-based GNSS Meteorology: case studies for Bulgaria/Southeast Europe", 23rd International symposium Modern technologies, education and professional practice in geodesy and related fields, 7/11/2013, Sofia, Bulgaria. (oral)
  54. Guerova G., First COST ES1206 GNSS4SWEC working group meeting, 16-17/10/2013 Valencia, Spain. (oral)
  55. Guerova G., "Ground-based GNSS Meteorology: case studies for Bulgaria/Southeast Europe", 2nd National Physics Congress, 26-29/09/2013, Sofia, Bulgaria. (oral)
  56. Bosy J., H. Vedel, J. Jones, J. Dousa, R. Pacione, G. Guerova, N. Teferle, Sh. Song, A. Furqan and J. Kaplon, "IAG 4.3.3 working group - Integration of GNSS atmospheric models with NWP models", IAG Scientific Assembly 2013 on the occasion of the 150th anniversary of the IAG, 1–6/09/2013, Potsdam, Germany. (poster)
  57. Guerova G., "GNSS Meteorology", Second GfG2 Summer school 1-3/07/2013 Potsdam, Germany. (invited oral)
  58. Guerova G., "Ground-based GNSS Meteorology: case studies for Bulgaria/Southeast Europe", University of Hohenheim, 28/06/2013, Stuttgart, Germany. (invited oral)
  59. Guerova G. Tzv. Simeonov, N. Irinchev, N. Svilenova, E. Vladimirov and R. Topchiyska "SUADA: Sofia University Atmospheric Data Archive", Second GfG2 Summer school 1-3/07/2013 Potsdam, Germany. (poster)
  60. Yordanova N., G. Guerova and Tzv. Simeonov, "Application of GNSS for severe weather events in Bulgaria: case study 2012", Second GfG2 Summer school 1-3/07/2013 Potsdam, Germany. (poster)
  61. Vladimirov E., Tzv. Simeonov and G. Guerova, "Multi - technique comparison of atmospheric water vapour for Sofia, Bulgaria". 22th International symposium Modern technologies, education and professional practice in geodesy and related fields, 9/11/2012, Sofia, Bulgaria. (oral)
  62. Yordanova N., Tzv. Simeonov and G. Guerova "Applications of GNSS for severe weather in Southeast Europe", 22th International symposium Modern technologies, education and professional practice in geodesy and related fields, 9/11/2012, Sofia, Bulgaria. (oral)
  63. Penov N. and G. Guerova "Global Navigation Satellite Systems and migration", GfG2 Summer school 13-15/08/2012 Nottingham UK. (poster)
  64. Svilenova N., Tzv. Simeonov and G. Guerova "Applications of GNSS for severe weather in Southeast Europe", GfG2 Summer school 13-15/08/2012 Nottingham UK. (poster)
  65. Jones J., E. Pottiaux., G. Guerova, J. Dousa, G. Dick, O. Bock, R. Pacione, G. Elgered, H. Vedel and S. de Haan "Advanced GNSS Tropospheric Products for the Monitoring of Severe Weather Events and Climate (GNSS4SWEC)", IGS workshop 23-27/07/2012 Olsztyn, Poland. (poster)
  66. Guerova G., Tzv. Simeonov, N. Irinchev, N. Svilenova, E. Vladimirov and R. Topchiyska " SUADA: Sofia University Atmospheric Data Archive", IGS workshop 23-27/07/2012 Olsztyn, Poland.(poster)
  67. Jones J., E. Pottiaux., G. Guerova, J. Dousa, G. Dick, O. Bock, R. Pacione, G. Elgered, H. Vedel and S. de Haan "Advanced GNSS Tropospheric Products for the Monitoring of Severe Weather Events and Climate (GNSS4SWEC)", EGU 22-27/04/2012 Vienna Austria. (poster)
  68. Guerova G. and H. Vedel "Global Navigation Satellite System (GNSS) meteorology", 21th EUPOS Steering Committee, 23/3/2012, Bratislava, Slovakia. (invited oral)
  69. Guerova G. "Global Navigation Satellite System (GNSS) meteorology", Physics Faculty Seminar, Sofia University, 9/1/2012, Sofia, Bulgaria. (oral)
  70. Guerova G., J. Morland and Tzv. Simeonov "GNSS and heat waves: case studies for 2003 and 2007", 3rd International Colloquium - Scientific and Fundamental Aspects of the Galileo Programme, 31/08-2/09/2011, Copenhagen, Denmark. (poster)
  71. Guerova G. "Global Navigation Satellite System (GNSS) meteorology in Southeast Europe", Microwavephysics and Atmospheric Physics Seminar, University of Bern, 25/11/2011, Bern, Switzerland. (invited oral)
  72. Guerova G. "Global Navigation Satellite Systems (GNSS): GPS, GLONASS, GALILEO", (pdf 5 MB) Actual topics in the modern physics, Sofia University, 7/7/2011, Sofia, Bulgaria. (invited oral).
  73. Guerova G. "Exploitation of ground-based Global Navigation Satellite Systems (GNSS) for Meteorology and Climate studies in Bulgaria", ZenitGeo, 20/6/2011, Sofia, Bulgaria.
  74. Guerova G., J. Morland and Tzv. Simeonov "Water vapor anomaly during the 2003 and 2007 heat waves in Switzerland and Bulgaria", EGU 4-8/04/2011 Vienna Austria. (poster)
  75. Maher P., G. Guerova, S. Koumoutaris and G. Takacs "Study of the biogenic soil NOx emissions from the Australian desert", EGU 4-8/04/2011 Vienna Austria. (poster)
  76. Guerova G. "Exploitation of ground-based Global Navigation Satellite Systems (GNSS) for Meteorology and Climate studies in Bulgaria" GMES workshop, 17-18/3/2011, Sofia, Bulgaria. (poster)
  77. Guerova, G., N. Jones and P. Kent "Application of GEOS-Chem in Australia P.1) 2003 Canberra megafires: impact on tropospheric ozone & aerosols P.2) Australian Desert: a globally significant intermittent source of soil NOx" , invited seminar, National Institute of Water and Atmosphere, 26/01/2009, Wellington, New Zealand. (oral)
  78. Guerova, G. and J. Morland " Water vapour anomaly during the 2003 summer in Switzerland", AGU Chapman Conference, 20-24/10/2008 Hawaii USA. (poster)
  79. Guerova, G. and N. Jones " 2003 Canberra megafires: impact on tropospheric ozone & aerosols", 4th ANZ Aerosol Seminar, 16/07/2008, Sydney, Australia. (oral)
  80. Guerova, G. and J. Morland, " Application of GPS derived water vapour for Numerical Weather Prediction in Switzerland" (part 1), "Water vapour feedback during the 2003 heat wave in Europe" (part 2), AMOS-Sydney, 15/04/2008, Sydney, Australia. (oral)
  81. Guerova, G. and J. Morland, " Application of GPS derived water vapour for Numerical Weather Prediction in Switzerland" (part 1), "Water vapour feedback during the 2003 heat wave in Europe" (part 2), Geoscience Australia, 2/04/2008, Canberra, Australia. (oral)
  82. Guerova, G. and N. Jones " 2003 Canberra megafires: impact on tropospheric ozone & aerosols", 15th AMOS conference, 29/01-1/02/2008, Geelong, Australia. (oral)
  83. Kent P., G. Guerova, I. Galbally, G. Takacs, S.Wilson and S. Parkes "Nitrogen from the Australian Desert: a globally significant intermittent source of soil NOx?", 15th AMOS conference, 29/01-1/02/2008, Geelong, Australia. (poster)
  84. Guerova, G., "2003 heat wave in Europe: case study on water vapour", Bureau of Meteorology Research Centre, 22/10/2007. (oral)
  85. Guerova, G., "Application of GPS derived water vapour for Numerical Weather Prediction in Switzerland", Bureau of Meteorology Research Centre, Melbourne, Australia, 22/10/2007. (oral)
  86. Guerova G., N. Jones, C. Murphy, S. Wilson and D. Griffith "2003 Canberra megafires: impact on tropospheric ozone & aerosols", GREENHOUSE 2007 conference, 2-5/10/2007, Sydney Australia. (poster)
  87. Guerova, G., "Ozone enhancement during 2003 heat wave in Europe", ARCNESS Winter School, Univeristy of Wollongong, Wollongong, Australia, 16/08/2007. (oral)
  88. Paton-Walsh, C., G. Guerova, N. Jones, S. Wilson, N. Deutscher, D. Griffith, and B. Forgan,"Modeling of biomass burning emissions using satellite observations of aerosol optical depth", European Geophysical Union General Assembly 2007 Vienna, Austria, 15-20/04/2007. (poster)
  89. Jones, N. B., C. Paton-Walsh, G. Guerova, S. R. Wilson, D. W. T. Griffith, M. Fromm, S. W. Wood, G. E. Bodeker and A. J. Thomas, "Long range transport of intense biomass plumes from forest fires in Australia during the 2002/2003 summer: measurements and 3-D chemical transport modeling of the emission plumes", European Geophysical Union General Assembly 2007 Vienna, Austria, 15-20/04/2007. (poster)
  90. Guerova, G., "Simulations of the 2002-2003 bush fire season in Australia", 3rd GEOS-Chem Users' Meeting, 11-13/04/2007, Harvard University, USA. (oral)
  91. Guerova G., D. Griffith, S. Wilson, N. Jones, C. Murphy, G. Kettlewell and T. Naylor "Atmospheric transport and deposition of Ammonia from sugarcane cropping into the Great Barrier Reef Lagoon", 3rd GEOS-Chem Users' Meeting, 11-13/04/2007, Harvard University, Boston, USA. (poster)
  92. Guerova G., I. Bey and N. Jones "A model study of ozone distributions over Europe during the August 2003 heatwave", 3rd GEOS-Chem Users' Meeting, 11-13/04/2007, Harvard University, Boston, USA. (poster)
  93. Jones, N., D. Griffith, G. Guerova, C. Paton-Walsh, S. Wilson, M. De Maziere, C. Vigouroux, and B. Dils "Tropospheric and Stratospheric Measurements of key Atmospheric Compounds from the Ground and Space", ENVISAT Symposium, SP-636, ESA, Montreaux, Switzerland, 04/2007. (oral)
  94. Guerova G., "Heatwave ozone over Europe in 2003", IGAC/CACGP/SOLAS/WMO Symposium: Atmospheric Chemistry at the interfaces 17-23/09/2006, Cape Town, South Africa. (oral)
  95. Jones N., G. Guerova, P. Palmer, S. Wilson, C. Murphy and D. Griffith "Long term ground-based remote sensing from Australia: past, present and future scientific results and directions" , IGAC/CACGP/SOLAS/WMO Symposium: Atmospheric Chemistry at the interfaces 17-23/09/2006, Cape Town, South Africa. (poster)
  96. Guerova G. "Tropospheric ozone in Europe during 2003 heatwave summer", Vulnerability of the Carbon Cycle to Drought and Fire, Canberra, Australia, 5-9/06/2006. (poster)
  97. Guerova G., "Summertime ozone over Europe in 2000 and 2003", Department of Chemistry, University of Wollongong, Australia 10/04/2006. (oral)
  98. Guerova G., Bey I. "Assessment of ozone transport over the North Atlantic Ocean and its impact on Europe in summer 2000", IAMAS 2005, Beijing, China, 8/08/2005. (oral)
  99. Guerova G. "An integrated assessment of ozone transport over the North Atlantic Ocean and its impact on Europe in summer 2000", IAP - seminar, Bern, Switzerland, 10/06/2005. (oral)
  100. Guerova G., Bey I. "An integrated assessment of ozone transport over the North Atlantic Ocean and its impact on Europe in summer 2000", EGU AS3.04, Vienna, Austria, 27/04/2005. (oral)
  101. Guerova G., Bey I. "LRT of O3 and its precursors over the North Atlantic and its impact on Europe in summer 2000", Second GEOS-CHEM workshop, Harvard University, Boston USA, 4/04/2005. (oral)
  102. Guerova G., "Application of GPS derived water vapour for Numerical Weather Prediction in Switzerland", Department of Meteorology and Geophysics, Facultaty of Physics, Sofia Unversity, Sofia, Bulgaria, 22/12/2004. (oral)
  103. Guerova G., "Assimilation of ZTD (4) : nudging MeteoSwiss", COST 716 Final Workshop, KNMI, De Bilt, The Netherlands, 1/12/2003. (oral)
  104. Guerova G., "GPS derived water vapour in Numerical Weather Prediction" , Forschungs-Kolloquium MeteoSchweiz, Zurich, Switzerland, 12/11/2003. (oral)
  105. Bettems J.-M. and G. Guerova "GPS derived integrated water vapor in aLMo: impact study with COST 716 near real time data", 25th EWGLAM and 10th SRNWP Meetings, 8/10/2003, Lisbon, Portugal. (oral)
  106. Guerova G., "Assimilation of COST716 Near Real Time GPS data in aLpine Model" , LMCA seminar, EPFL, Lausanne, Switzerland, 15/09/2003. (oral)
  107. Guerova G., Bettems J., Brockmann E., and Matzler Ch., "Assimilation of COST716 Near Real Time GPS data in aLMo", aLMo Users Seminar, Zurich, Switzerland, 1/07/2003. (oral)
  108. Wild M., G. Guerova, J. Morland and Ch. Matzler "Water vapour over the Alps: GCM simulations versus GPS observations.", NCCR review pannel meeting, ETHZ Hoehggerberg, Zuerich, Switzerland, 22/05/2003. (poster)
  109. Guerova G., Bettems J., Brockmann E. and Ch. Matzler "Assessment of the impact of the GPS data assimilation on the performance of MeteoSwiss NWP model", International Workshop on GPS-Meteorology, Tsukuba, Japan, 14-17/01/2003. (poster)
  110. Guerova G., Bettems J., "Assimilation of GPS- derived Integrated Water Vapour - OSE with aLMo", MeteoSwiss, Zurich, Switzerland, 18/12/2002. (oral)
  111. Guerova G., and Bettems J., "Assimilation of GPS measurements in the aLpine Model: sensitivity experiment", MW seminar, IAP, Uni Bern, Bern, Switzerland, 17/05/2002. (oral)
  112. Guerova G., "Assimilation of GPS in the aLpine Model: sensitivity experiment", EGU Nice, France, 24/04/2002. (oral)
  113. Guerova G., Bettems J., Brockmann E., and Matzler Ch., "Assimilation of GPS in the aLpine Model: sensitivity experiment", MeteoSwiss Zurich, Switzerland, 27/02/2002. (oral)
  114. Guerova G., "Assimilation of GPS measurements in the aLpine Model: sensitivity experiment", COST 716 Workshop, Potsdam, Germany, 29/01/2002. (oral)
  115. Guerova G. and M. Tomassini "Monitoring IWV from GPS and limited-area forecast model", COST 716 Workshop Potsdam, Germany, 28-29/01/2002. (poster)
  116. Guerova G., "Use GPS retrieved IWV in Meteorology", MeteoSchweiz, Payerne, Switzerland, 9/07/2001. (oral)
  117. Guerova G., "COST 716 Short Term Scientific Mission - assimilation experiment", COST 716 WG Meeting Norrkoeping, Sweden, 25/06/2001. (oral)
  118. Guerova G., Brockmann E., Quiby J., and Matzler C., "Verification of the operational NWP Model with Swiss GPS Network AGNES", Canadian Geophysical Union Meeting Ottawa, Canada, 17/05/2001. (oral)
  119. Guerova G., "Using GPS to validate LM/SM Water Vapour Field (2)", DWD (Deutscher Wetterdienst), Offenbach, Germany, 26/04/2001. (oral)
  120. Guerova G. and Ch. Matzler "Monitoring the seasonal variability of atmospheric water vapour using GPS", 2nd Swiss Global Change Day, Bern, Switzerland, 5/04/2001. (poster)
  121. Guerova G., "Using GPS to validate LM/SM Water Vapour Field (1)", MeteoSchweiz, Zurich, Switzerland, 19/03/2001. (oral)
  122. Guerova G., "Using GPS data to validate Mesoscale Weather Forecast Model", Swiss Federal Office of Topography, Bern, Switzerland, 23/02/2001. (oral)
  123. Guerova G., "GPS applications", IAP, Uni Bern, Bern, Switzerland, 4/12/2000. (oral)
  124. Guerova G., "Integrated water vapour retrieved from GPS signal delay" , MeteoSwiss, Zurich, Switzerland, 4/07/2000. (oral)
  125. Guerova G., "Numerical study of heat and moisture exchange in the morning Boundary Layer", MW seminar, IAP, Uni Bern, Bern, Switzerland, 5/05/2000. (oral)

Media communication

  1. Guergana Guerova in the expert video highlight of the GfG2 Second Roadmap Workshop in University of Leicester, UK on 19/4/2013.
  2. Bulgarian National Television reportage "Heat waves and climate change", on 13/08/2012 (in Bulgarian, 1407 readings).
  3. Kapital newspaper "How to write a project", on 12/08/2011 (in Bulgarian, 8518 readings).
  4. Guerova, G., 2002: Improved precipitation forecast using water vapour data from GPS. NCCR Climate update 3 and 4, Proclim-Flash, 25, November 2002, Bern, Switzerland.
  5. Kaspar Meuli, 2003: Satellitennavigation fuer Wetterfroesche. Mensch und Clima, Uni Press, April 2003, 116, pp. 32.