thgeorgiou

Curriculum vitae

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Experience

  1. May 2023 – now

    Researcher / Data Scientist

    National Observatory of Athens

    Member of a research team focused on atmospheric composition and numerical weather prediction.

  2. Mar 2018 – Apr 2023

    Software engineer

    National Observatory of Athens

    Technological support of a research team. Worked on a global aerosol climatology produced from satellite observations, the development of a full-stack observation management platform for the climate change observatory of Antikythera (PANGEA), websites for projects and campaigns, as well as data management and administration of HPC projects under the PRACE framework.

Education

  1. May 2023 – now

    PhD Candidate in Physics

    Aristotle University of Thessaloniki

  2. Sep 2020 – Sep 2022

    MSc in Data Science

    Athens University of Economics and Business

  3. Sep 2014 – Sep 2020

    BSc in Electrical & Electronic Engineering with Integrated MSc

    University of West Attica

Publications

11 peer-reviewed articles

  1. 2026

    Atmospheric Dust as an Air Quality Hazard to the World Population

    Emmanouil Proestakis, Sofia Eirini Chatoutsidou, Ioannis Binietoglou, Thanos Kourantos, Thanasis Georgiou, Mihalis Lazaridis, Vassilis Amiridis

    Remote Sensing doi:10.3390/rs18142403

  2. Derivation and validation of a refined dust product from Aeolus (L2A+)

    Konstantinos Rizos, Emmanouil Proestakis, Thanasis Georgiou, Antonis Gkikas, Eleni Marinou, Peristera Paschou, Kalliopi Artemis Voudouri, Athanasios Tsikerdekis, David P. Donovan, Gerd-Jan van Zadelhoff et al.

    Atmospheric Measurement Techniques doi:10.5194/amt-19-699-2026

  3. 2025

    Atmospheric dust and air quality over large-cities and megacities of the world

    Emmanouil Proestakis, Kyriakoula Papachristopoulou, Thanasis Georgiou, Sofia Eirini Chatoutsidou, Mihalis Lazaridis, Antonis Gkikas, Ilias Fountoulakis, Ioanna Tsikoudi, Manolis P. Petrakis, Vassilis Amiridis

    Atmospheric Chemistry and Physics doi:10.5194/acp-25-14777-2025

  4. Quantifying dust deposition over the Atlantic Ocean

    Emmanouil Proestakis, Vassilis Amiridis, Carlos Pérez García-Pando, Svetlana Tsyro, Jan Griesfeller, Antonis Gkikas, Thanasis Georgiou, María Gonçalves Ageitos, Jeronimo Escribano, Stelios Myriokefalitakis et al.

    Earth System Science Data doi:10.5194/essd-17-4351-2025

  5. Volcanic emission estimates from the inversion of ACTRIS lidar observations and their use for quantitative dispersion modeling

    Anna Kampouri, Vassilis Amiridis, Thanasis Georgiou, Stavros Solomos, Anna Gialitaki, Maria Tsichla, Michael Rennie, Simona Scollo, Prodromos Zanis

    Atmospheric Chemistry and Physics doi:10.5194/acp-25-7343-2025

  6. CALIPSO Overpasses During Three Atmospheric Pollen Events Detected by Hirst-Type Volumetric Samplers in Two Urban Cities in Greece

    Archontoula Karageorgopoulou, Elina Giannakaki, Christos Stathopoulos, Thanasis Georgiou, Eleni Marinou, Vassilis Amiridis, Ioanna Pyrri, Maria-Christina Gatou, Xiaoxia Shang, Athanasios Charalampopoulos et al.

    Atmosphere doi:10.3390/atmos16030317

  7. 2024

    A near-global multiyear climate data record of the fine-mode and coarse-mode components of atmospheric pure dust

    Emmanouil Proestakis, Antonis Gkikas, Thanasis Georgiou, Anna Kampouri, Eleni Drakaki, Claire L. Ryder, Franco Marenco, Eleni Marinou, Vassilis Amiridis

    Atmospheric Measurement Techniques doi:10.5194/amt-17-3625-2024

  8. Natural Aerosols, Gaseous Precursors and Their Impacts in Greece: A Review from the Remote Sensing Perspective

    Vassilis Amiridis, Stelios Kazadzis, Antonis Gkikas, Kalliopi Artemis Voudouri, Dimitra Kouklaki, Maria-Elissavet Koukouli, Katerina Garane, Aristeidis K. Georgoulias, Stavros Solomos, George Varlas et al.

    Atmosphere doi:10.3390/atmos15070753

  9. Assessing Lidar Ratio Impact on CALIPSO Retrievals Utilized for the Estimation of Aerosol SW Radiative Effects across North Africa, the Middle East, and Europe

    Anna Moustaka, Marios-Bruno Korras-Carraca, Kyriakoula Papachristopoulou, Michael Stamatis, Ilias Fountoulakis, Stelios Kazadzis, Emmanouil Proestakis, Vassilis Amiridis, Kleareti Tourpali, Thanasis Georgiou et al.

    Remote Sensing doi:10.3390/rs16101689

  10. 2023

    Aeolus winds impact on volcanic ash early warning systems for aviation

    Vassilis Amiridis, Anna Kampouri, Antonis Gkikas, Stergios Misios, Anna Gialitaki, Eleni Marinou, Michael Rennie, Angela Benedetti, Stavros Solomos, Prodromos Zanis et al.

    Scientific Reports doi:10.1038/s41598-023-34715-6

  11. 2021

    Polarization lidar for detecting dust orientation: system design and calibration

    Alexandra Tsekeri, Vassilis Amiridis, Alexandros Louridas, George Georgoussis, Volker Freudenthaler, Spiros Metallinos, George Doxastakis, Josef Gasteiger, Nikolaos Siomos, Peristera Paschou, Thanasis Georgiou, George Tsaknakis, Christos Evangelatos, Ioannis Binietoglou

    Atmospheric Measurement Techniques doi:10.5194/amt-14-7453-2021

Conferences

  1. Sep 2026

    Impact of dust optical modelling on atmospheric lidar assimilation

    Thanasis Georgiou, Anna Gialitaki, Athanasios Tsikerdekis, Alexandra Tsekeri, Areti Bantouna, Vassilis Spyrakos, Eleni Marinou, Dimitris Melas, Vassilis Amiridis

    Presentation at ISDA 2026 & WMO DA Symposium , Nanjing, China

  2. Jun 2026

    Advances in dust optical modelling and EarthCARE Dust Data Assimilation

    Thanasis Georgiou, Anna Gialitaki, Athanasios Tsikerdekis, Alexandra Tsekeri, Areti Bantouna, Vassilis Spyrakos, Eleni Marinou, Dimitris Melas, Vassilis Amiridis

    Presentation at EarthCARE Science and Validation Workshop 2026 , Oxford, United Kingdom

  3. May 2026

    Investigating dust mixing state, using the backscatter of realistic dust shapes

    Alexandra Tsekeri, Anna Gialitaki, Josef Gasteiger, Natalia Kustova, Alexander Konoshonkin, Maxim Yurkin, Thanasis Georgiou, Johanne Ekue, Anna Kampouri, Maria Tsichla et al.

    EGU 2026 , Vienna, Austria

  4. May 2026

    Advanced retrieval of aerosol vertical profiles using synergy of EarthCARE ATLID and various passive spaceborne observations

    Anton Lopatin, Anna Gialitaki, Chong Li, Dimitra Karkani, Alexandra Tsekeri, Alejandro García-Gómez, Thanasis Georgiou, Oleg Dubovik, Edward Malina

    EGU 2026 , Vienna, Austria

  5. Apr 2026

    Impact of combined wind and aerosol Aeolus product assimilation

    Thanasis Georgiou, Athanasios Tsikerdekis, Konstantinos Rizos, Emmanouil Proestakis, Anna Gialitaki, Alexandra Tsekeri, Eleni Marinou, Dimitris Melas, Vassilis Amiridis

    Presentation at AEOLUS Conference 2026 , Lipari, Italy

  6. Dec 2025

    EarthCARE Data Assimilation in regional dust models and impact on transport

    Thanasis Georgiou, Athanasios Tsikerdekis, Alexandra Tsekeri, Anna Gialitaki, Areti Bantouna, Vassilis Spyrakos, Eleni Marinou, Dimitris Melas, Vassilis Amiridis

    Poster at EarthCARE Science & Validation Workshop 2025 , Tokyo, Japan

  7. Sep 2025

    Assimilation of Satellite Dust Optical Depth in the CiROCCO System: Methodology and Initial Results

    Eleni Drakaki, Thanasis Georgiou, Vassilis Amiridis

    Presentation at COMECAP 2025 , Nicosia, Cyprus , with proceedings

  8. Sep 2025

    AtmoHub: A National Atmospheric Composition Hub for Air Quality Monitoring and Forecasting in Greece

    Anna Kampouri, Stergios Kartsios, Thanos Kourantos, Maria Tsichla, Kalliopi Artemis Voudouri, Anna Gialitaki, Thanasis Georgiou, Eleni Drakaki, Marios Mermigkas, Vassilis Spyrakos et al.

    Presentation at COMECAP 2025 , Nicosia, Cyprus , with proceedings

  9. Sep 2025

    Cloud Condensation Nuclei (CCN) and Ice Nucleating Particles (INP) Conversion Factors Based on Thessaloniki and Leipzig AERONET Stations Using CALIPSO Aerosol Typing

    Archontoula Karageorgopoulou, Vassilis Amiridis, Thanasis Georgiou, Eleni Marinou, Eleni Giannakaki

    Poster at COMECAP 2025 , Nicosia, Cyprus , with proceedings

  10. Jun 2025

    Advances in space-borne lidar data assimilation for atmospheric composition and NWP

    Thanasis Georgiou, Athanasios Tsikerdekis, Alexandra Tsekeri, Anna Gialitaki, Areti Bantouna, Thanos Kourantos, Dimitris Melas, Vassilis Amiridis

    Poster at ESA Living Planet Symposium , Vienna, Austria

  11. Apr 2025

    Assessment of Atmospheric Pollen Presence in Urban Areas of Greece During CALIPSO Overpasses

    Archontoula Karageorgopoulou, Christos Stathopoulos, Thanasis Georgiou, Xiaoxia Shang, Ioanna Pyrri, Vassilis Amiridis, Elina Giannakaki

    EGU 2025 , Vienna, Austria

  12. Apr 2025

    Earth Observations and Atmospheric Dust: unveiling Atlantic Ocean deposition

    Jan-Berend Stuut, Emmanouil Proestakis, Vassilis Amiridis, Carlos Pérez García-Pando, Svetlana Tsyro, Jan Griesfeller, Antonis Gkikas, Thanasis Georgiou, María Gonçalves Ageitos, Jeronimo Escribano et al.

    EGU 2025 , Vienna, Austria

  13. Apr 2025

    Volcanic Emission Estimation and Dispersion Modeling Using Inversion of ACTRIS Lidar Observations

    Anna Kampouri, Vassilis Amiridis, Thanasis Georgiou, Stavros Solomos, Anna Gialitaki, Maria Tsichla, Antonis Gkikas, Emmanouil Proestakis, Michael Rennie, Simona Scollo et al.

    EGU 2025 , Vienna, Austria

  14. Apr 2025

    Enhancing WRF-Chem Dust Predictions Through Assimilation of Satellite-Based MIDAS Dust Optical Depth Data

    Eleni Drakaki, Antonis Gkikas, Thanasis Georgiou, Hesham El-Askary, Vassilis Amiridis

    EGU 2025 , Vienna, Austria

  15. Oct 2024

    Joint Aerosol & Wind Data Assimilation of AEOLUS and impact on Numerical Weather Prediction

    Thanasis Georgiou, Athanasios Tsikerdekis, Konstantinos Rizos, Emmanouil Proestakis, Antonis Gkikas, Alexandra Tsekeri, Eleni Drakaki, Anna Kampouri, Holger Baars, Athena Augousta Floutsi, Eleni Marinou, Angela Benedetti, Will McLean, Edward Malina, Christian Retscher, Dimitris Melas, Vassilis Amiridis

    Poster at ISDA 2024 , Kobe, Japan

  16. Sep 2024

    A near-global multiyear climate data record of the submicrometer-mode and supermicrometer-mode components of atmospheric pure-dust

    Emmanouil Proestakis, Antonis Gkikas, Thanasis Georgiou, Anna Kampouri, Eleni Drakaki, Claire L. Ryder, Franco Marenco, Eleni Marinou, Vassilis Amiridis

    EMS Annual Meeting 2024 , Barcelona, Spain

  17. Jul 2024

    From AEOLUS to EarthCARE Aerosol Assimilation in Regional Models

    Thanasis Georgiou, Athanasios Tsikerdekis, Konstantinos Rizos, Emmanouil Proestakis, Antonis Gkikas, Anna Kampouri, Eleni Drakaki, Holger Baars, Athena Augousta Floutsi, Eleni Marinou, Angela Benedetti, Will McLean, Christian Retscher, Dimitris Melas, Vassilis Amiridis

    Presentation at IGARSS 2024 , Athens, Greece

  18. Jul 2024

    Joint Aerosol & Wind Data Assimilation of AEOLUS and preparing for EarthCARE

    Thanasis Georgiou, Athanasios Tsikerdekis, Konstantinos Rizos, Emmanouil Proestakis, Antonis Gkikas, Alexandra Tsekeri, Eleni Drakaki, Anna Kampouri, Holger Baars, Athena Augousta Floutsi, Eleni Marinou, Angela Benedetti, Will McLean, Christian Retscher, Dimitris Melas, Vassilis Amiridis

    Poster at ESA ATMOS 2024 , Bologna, Italy

  19. Apr 2024

    Using AEOLUS Aerosol Assimilation to pave the way for EarthCARE

    Thanasis Georgiou, Athanasios Tsikerdekis, Konstantinos Rizos, Emmanouil Proestakis, Antonis Gkikas, Anna Kampouri, Eleni Drakaki, Holger Baars, Athena Augousta Floutsi, Eleni Marinou, Angela Benedetti, Will McLean, Christian Retscher, Dimitris Melas, Vassilis Amiridis

    Poster at EGU 2024 , Vienna, Austria

  20. Apr 2024

    A near-global multiyear climate data record of the fine-mode and coarse-mode components of atmospheric pure-dust

    Emmanouil Proestakis, Antonis Gkikas, Thanasis Georgiou, Anna Kampouri, Eleni Drakaki, Claire L. Ryder, Franco Marenco, Eleni Marinou, Vassilis Amiridis

    EGU 2024 , Vienna, Austria

  21. Sep 2023

    Utilizing AEOLUS to improve dust transport modelling

    Thanasis Georgiou, Konstantinos Rizos, Athanasios Tsikerdekis, Emmanouil Proestakis, Antonis Gkikas, Holger Baars, Athena Augousta Floutsi, Eleni Drakaki, Anna Kampouri, Eleni Marinou, David P. Donovan, Angela Benedetti, Will McLean, Christian Retscher, Dimitris Melas, Vassilis Amiridis

    Presentation at COMECAP 2023 , Athens, Greece , with proceedings

  22. Sep 2023

    An Overview of the ASKOS Campaign in Cabo Verde

    Eleni Marinou, Peristera Paschou, Ioanna Tsikoudi, Alexandra Tsekeri, Vasiliki Daskalopoulou, Dimitra Kouklaki, Nikolaos Siomos, Vasileios Spanakis-Misirlis, Kalliopi Artemis Voudouri, Thanasis Georgiou et al.

    Presentation at COMECAP 2023 , Athens, Greece , with proceedings

  23. Sep 2023

    Inversion Techniques on Etna’s Volcanic Emissions and the Impact of Aeolus on Quantitative Dispersion Modeling

    Anna Kampouri, Vassilis Amiridis, Thanasis Georgiou, Stavros Solomos, Ioannis Binietoglou, Anna Gialitaki, Eleni Marinou, Antonis Gkikas, Emmanouil Proestakis, Michael Rennie et al.

    Presentation at COMECAP 2023 , Athens, Greece , with proceedings

  24. Sep 2023

    Evaluation of a Commercial Aerosol Lidar Scanner for Urban Pollution Monitoring

    Vassilis Kostopoulos, Ourania Soupiona, Georgios Georgoussis, Thanasis Georgiou, Anna Kampouri, Eleni Drakaki, Vassilis Amiridis

    Poster at COMECAP 2023 , Athens, Greece , with proceedings

  25. Sep 2023

    Development and Validation of an Enhanced Aerosol Product for Aeolus (L2A+)

    Konstantinos Rizos, Antonis Gkikas, Emmanouil Proestakis, Thanasis Georgiou, Vassilis Amiridis, Eleni Marinou, David P. Donovan, Nikos Benas, Martin Stengel, Christian Retscher et al.

    Poster at COMECAP 2023 , Athens, Greece , with proceedings

  26. May 2023

    Improvements in Numerical Weather Prediction and Dust Transport modelling through AEOLUS L2A assimilation

    Thanasis Georgiou, Emmanouil Proestakis, Antonis Gkikas, Konstantinos Rizos, Eleni Drakaki, Anna Kampouri, Athanasios Tsikerdekis, Holger Baars, Athena Augousta Floutsi, Eleni Marinou, Angela Benedetti, Will McLean, Christian Retscher, Vassilis Amiridis

    Poster at Aeolus Science Conference 2023 , Rhodes, Greece