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    Academic Journals

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• Volcanic SO.sub.2 layer height by TROPOMI/S5P: evaluation against IASI/MetOp and CALIOP/CALIPSO observations.

  Authors:Maria-Elissavet Koukouli, Konstantinos Michailidis, Pascal Hedelt, Isabelle A. Taylor, Antje Inness, Lieven Clarisse, et al.From:Atmospheric Chemistry and Physics (Vol. 22, Issue 8) Peer-Reviewed

  Apr. 28, 2022403 words Article Volcanic eruptions eject large amounts of ash and trace gases such as sulfur dioxide (SO.sub.2) into the atmosphere. A significant difficulty in mitigating the impact of volcanic SO.sub.2 clouds on air traffic safety is...

• Evaluating the assimilation of S5P/TROPOMI near real-time SO.sub.2 columns and layer height data into the CAMS integrated forecasting system (CY47R1), based on a case study of the 2019 Raikoke eruption.

  Authors:Antje Inness, Melanie Ades, Dimitris Balis, Dmitry Efremenko, Johannes Flemming, Pascal Hedelt, et al.From:Geoscientific Model Development (Vol. 15, Issue 3) Peer-Reviewed

  Feb. 2, 2022484 words Case study The Copernicus Atmosphere Monitoring Service (CAMS), operated by the European Centre for Medium-Range Weather Forecasts on behalf of the European Commission, provides daily analyses and 5 d forecasts of atmospheric...

• TEMIS UV product validation using NILU-UV ground-based measurements in Thessaloniki, Greece

  Authors:Melina-Maria Zempila, Jos H. G. M. van Geffen, Michael Taylor, Ilias Fountoulakis, Maria-Elissavet Koukouli, Michiel van Weele, et al.From:Atmospheric Chemistry and Physics (Vol. 17, Issue 11) Peer-Reviewed

  June 16, 2017511 words Author abstract, Bri... This study aims to cross-validate ground-based and satellite-based models of three photobiological UV effective dose products: the Commission Internationale de l'Éclairage (CIE) erythemal UV, the production...

• Cleaning up the air: effectiveness of air quality policy for SO.sub.2 and NO.sub.x emissions in China

  Authors:Ronald J. van der A, Bas Mijling, Jieying Ding, Maria Elissavet Koukouli, Fei Liu, Qing Li, et al.From:Atmospheric Chemistry and Physics (Vol. 17, Issue 3) Peer-Reviewed

  Feb. 6, 2017304 words Brief article Air quality observations by satellite instruments are global and have a regular temporal resolution, which makes them very useful in studying long-term trends in atmospheric species. To monitor air quality trends in...

• Validation of the IASI FORLI/EUMETSAT ozone products using satellite (GOME-2), ground-based (Brewer-Dobson, SAOZ, FTIR) and ozonesonde measurements

  Authors:Anne Boynard, Daniel Hurtmans, Katerina Garane, Florence Goutail, Juliette Hadji-Lazaro, Maria Elissavet Koukouli, et al.From:Atmospheric Measurement Techniques (Vol. 11, Issue 9) Peer-Reviewed

  Sept. 10, 2018509 words Author abstract, Bri...

  This paper assesses the quality of IASI (Infrared Atmospheric Sounding Interferometer)/Metop-A (IASI-A) and IASI/Metop-B (IASI-B) ozone (O.sub.3) products (total and partial O.sub.3 columns) retrieved with the Fast...

• Comparisons of ground-based tropospheric NO.sub.2 MAX-DOAS measurements to satellite observations with the aid of an air quality model over the Thessaloniki area, Greece

  Authors:Theano Drosoglou, Alkiviadis F. Bais, Irene Zyrichidou, Natalia Kouremeti, Anastasia Poupkou, Natalia Liora, et al.From:Atmospheric Chemistry and Physics (Vol. 17, Issue 9) Peer-Reviewed

  May 11, 2017346 words Author abstract, Bri... One of the main issues arising from the comparison of ground-based and satellite measurements is the difference in spatial representativeness, which for locations with inhomogeneous spatial distribution of pollutants...

• Quality assessment of the Ozone_cci Climate Research Data Package (release 2017) - Part 1: Ground-based validation of total ozone column data products

  Authors:Katerina Garane, Christophe Lerot, Melanie Coldewey-Egbers, Tijl Verhoelst, Maria Elissavet Koukouli, Irene Zyrichidou, et al.From:Atmospheric Measurement Techniques (Vol. 11, Issue 3) Peer-Reviewed

  Mar. 9, 201871 words Author abstract, Bri... Byline: Katerina Garane, Christophe Lerot, Melanie Coldewey-Egbers, Tijl Verhoelst, Maria Elissavet Koukouli, Irene Zyrichidou, Dimitris S. Balis, Thomas Danckaert, Florence Goutail, Jose Granville, Daan Hubert, Arno...

• Updated SO.sub.2 emission estimates over China using OMI/Aura observations

  Authors:Maria Elissavet Koukouli, Nicolas Theys, Jieying Ding, Irene Zyrichidou, Bas Mijling, Dimitrios Balis, et al.From:Atmospheric Measurement Techniques (Vol. 11, Issue 3) Peer-Reviewed

  Mar. 29, 2018382 words Author abstract, Bri... The main aim of this paper is to update existing sulfur dioxide (SO.sub.2) emission inventories over China using modern inversion techniques, state-of-the-art chemistry transport modelling (CTM) and satellite...

• Sudden changes in nitrogen dioxide emissions over Greece due to lockdown after the outbreak of COVID-19.

  Authors:Maria-Elissavet Koukouli, Ioanna Skoulidou, Andreas Karavias, Isaak Parcharidis, Dimitris Balis, Astrid Manders, et al.From:Atmospheric Chemistry and Physics (Vol. 21, Issue 3) Peer-Reviewed

  Feb. 9, 2021402 words Brief article The unprecedented order, in modern peaceful times, for a near-total lockdown of the Greek population as a means of protection against severe acute respiratory syndrome coronavirus 2, commonly known as COVID-19, has...

• First validation of GOME-2/MetOp absorbing aerosol height using EARLINET lidar observations.

  Authors:Konstantinos Michailidis, Maria-Elissavet Koukouli, Nikolaos Siomos, Dimitris Balis, Olaf Tuinder, L. Gijsbert Tilstra, et al.From:Atmospheric Chemistry and Physics (Vol. 21, Issue 4) Peer-Reviewed

  Mar. 3, 2021354 words Brief article The aim of this study is to investigate the potential of the Global Ozone Monitoring Experiment-2 (GOME-2) instruments, aboard the Meteorological Operational (MetOp)-A, MetOp-B and MetOp-C satellite programme platforms,...

• The use of QBO, ENSO, and NAO perturbations in the evaluation of GOME-2 MetOp A total ozone measurements

  Authors:Kostas Eleftheratos, Christos S. Zerefos, Dimitris S. Balis, Maria-Elissavet Koukouli, John Kapsomenakis, Diego G. Loyola, et al.From:Atmospheric Measurement Techniques (Vol. 12, Issue 2) Peer-Reviewed

  Feb. 14, 2019504 words Author abstract, Bri...

  In this work we present evidence that quasi-cyclical perturbations in total ozone (quasi-biennial oscillation - QBO, El Niño-Southern Oscillation - ENSO, and North Atlantic Oscillation - NAO) can be used as...

• Evaluation of the LOTOS-EUROS NO.sub.2 simulations using ground-based measurements and S5P/TROPOMI observations over Greece.

  Authors:Ioanna Skoulidou, Maria-Elissavet Koukouli, Astrid Manders, Arjo Segers, Dimitris Karagkiozidis, Myrto Gratsea, et al.From:Atmospheric Chemistry and Physics (Vol. 21, Issue 7) Peer-Reviewed

  Apr. 6, 2021381 words Brief article The evaluation of chemical transport models, CTMs, is essential for the assessment of their performance regarding the physical and chemical parameterizations used. While regional CTMs have been widely used and evaluated...

• MAX-DOAS NO.sub.2 observations over Guangzhou, China; ground-based and satellite comparisons

  Authors:Theano Drosoglou, Maria Elissavet Koukouli, Natalia Kouremeti, Alkiviadis F. Bais, Irene Zyrichidou, Dimitris Balis, et al.From:Atmospheric Measurement Techniques (Vol. 11, Issue 4) Peer-Reviewed

  Apr. 19, 2018444 words Author abstract, Bri... In this study, the tropospheric NO.sub.2 vertical column density (VCD) over an urban site in Guangzhou megacity in China is investigated by means of MAX-DOAS measurements during a campaign from late March 2015 to...

• The impact of the ozone effective temperature on satellite validation using the Dobson spectrophotometer network

  Authors:Maria Elissavet Koukouli, Marina Zara, Christophe Lerot, Konstantinos Fragkos, Dimitris Balis, Marcus Antonius Franciscus Allart, et al.From:Atmospheric Measurement Techniques (Vol. 9, Issue 5) Peer-Reviewed

  May 9, 2016310 words Brief article The main aim of the paper is to demonstrate an approach for post-processing of the Dobson spectrophotometers' total ozone columns (TOCs) in order to compensate for their known stratospheric effective temperature...

• Quality assessment of the Ozone_cci Climate Research Data Package (release 2017) - Part 2: Ground-based validation of nadir ozone profile data products

  Authors:Arno Keppens, Jean-Christopher Lambert, Jose Granville, Daan Hubert, Tijl Verhoelst, Steven Compernolle, et al.From:Atmospheric Measurement Techniques (Vol. 11, Issue 6) Peer-Reviewed

  June 27, 2018605 words Author abstract, Bri...

  Atmospheric ozone plays a key role in air quality and the radiation budget of the Earth, both directly and through its chemical influence on other trace gases. Assessments of the atmospheric ozone distribution and...

• TROPOMI/S5P total ozone column data: global ground-based validation and consistency with other satellite missions

  Authors:Katerina Garane, Maria-Elissavet Koukouli, Tijl Verhoelst, Christophe Lerot, Klaus-Peter Heue, Vitali Fioletov, et al.From:Atmospheric Measurement Techniques (Vol. 12, Issue 10) Peer-Reviewed

  Oct. 2, 2019515 words Author abstract, Bri...

  In October 2017, the Sentinel-5 Precursor (S5P) mission was launched, carrying the TROPOspheric Monitoring Instrument (TROPOMI), which provides a daily global coverage at a spatial resolution as high as...