A5065168747- Atmospheric and Environmental Gas Dynamics
- Atmospheric chemistry and aerosols
- Atmospheric Ozone and Climate
- Air Quality Monitoring and Forecasting
- Air Quality and Health Impacts
- Geophysics and Gravity Measurements
- Advanced Aircraft Design and Technologies
- Methane Hydrates and Related Phenomena
- Air Traffic Management and Optimization
- Water Quality Monitoring and Analysis
- Spectroscopy and Laser Applications
- Image and Video Quality Assessment
- Aviation Industry Analysis and Trends
- Atmospheric aerosols and clouds
Royal Belgian Institute for Space Aeronomy
2019-2025
National and Kapodistrian University of Athens
2017-2018
Abstract. In September 2016, 36 spectrometers from 24 institutes measured a number of key atmospheric pollutants for period 17 d during the Second Cabauw Intercomparison campaign Nitrogen Dioxide measuring Instruments (CINDI-2) that took place at Cabauw, Netherlands (51.97∘ N, 4.93∘ E). We report on outcome formal semi-blind intercomparison exercise, which was held under umbrella Network Detection Atmospheric Composition Change (NDACC) and European Space Agency (ESA). The three major goals...
Abstract. Ground-based multi-axis differential optical absorption spectroscopy (MAX-DOAS) measurements of aerosols and tropospheric nitrogen dioxide (NO2) were carried out in Uccle (50.8∘ N, 4.35∘ E), Brussels, during 1 year from March 2018 until 2019. The instrument was operated both the UV visible wavelength ranges a dual-scan configuration consisting two sub-modes: (1) an elevation scan fixed viewing azimuthal direction (the so-called main direction) pointing to northeast (2) low angle...
Abstract. Sentinel-5 Precursor (S-5P), launched in October 2017, carrying the TROPOspheric Monitoring Instrument (TROPOMI) nadir-viewing spectrometer, is first mission of Copernicus Programme dedicated to monitoring air quality, climate, and ozone. In presented study, TROPOMI tropospheric nitrogen dioxide (NO2) level-2 (L2) product (OFFL v1.03.01; 3.5 km × 7 at nadir observations) has been validated over strongly polluted urban regions by comparison with coincident high-resolution Airborne...
Abstract. Airborne imaging differential optical absorption spectroscopy (DOAS), ground-based stationary DOAS, and car DOAS measurements were conducted during the S5P-VAL-DE-Ruhr campaign in September 2020. The area is located Rhine-Ruhr region of North Rhine-Westphalia, western Germany, which a pollution hotspot Europe comprising urban large industrial sources. are used to validate spaceborne NO2 tropospheric vertical column density (VCD) data products from Sentinel-5 Precursor (S5P)...
Abstract. Instruments for air quality observations on geostationary satellites provide multiple per day and allow the analysis of diurnal variation in important pollutants such as nitrogen dioxide (NO2). The South Korean instrument GEMS (Geostationary Environmental Monitoring Spectrometer), launched February 2020, is first that able to observe NO2. measurements have a spatial resolution 3.5 km × 8 cover large part Asia. This study compares 1 year tropospheric NO2 vertical column density...
The increasing impact of aviation on global climate change underscores the critical need for accurate quantification its environmental effects. Among them, persistent contrails and aviation-induced cloudiness are recognized as most significant contributors, yet their effects remains uncertain [1]. During last decades, physics-based models, which involve simulation contrail formation, evolution, radiative forcing by integrating aircraft specifications meteorological data, have been primary...
Abstract. Geostationary satellite observations were used to estimate the radiative forcing of contrail cirrus clouds through a Rapid Contrail-RF Estimation Approach. Meteosat Second Generation/ Spinning Enhanced Visible and InfraRed Imager (MSG/SEVIRI) utilized visually identify days with contrails. For six selected days, ice characterized using Optimal Cloud Analysis (OCA) product from MSG/SEVIRI data provided by European Organisation for Exploitation Meteorological Satellites (EUMETSAT)....
Abstract. Instruments for air quality observations on geostationary satellites provide multiple per day and allow the analysis of diurnal variation important pollutants such as nitrogen dioxide (NO2) over large areas. The South Korean instrument GEMS GK2B satellite was launched in February 2020 is first orbit that delivers hourly daytime NO2. measurements with a spatial resolution 3.5 km x 8 cover part Asia. This study compares one year tropospheric NO2 vertical column density (VCD)...
Abstract. We present a database of MAX-DOAS (Multi-AXis Differential Optical Absorption Spectroscopy) ground-based observations NO2 and H2CO tropospheric vertical column densities (VCDtropo) performed for the first time in city Kinshasa. These measurements were conducted between November 2019 July 2021 processed using standardized inversion tools developed ESA FRM4DOAS (Fiducial Reference Measurements Ground-Based DOAS Air-Quality Observations) project. The retrieved geophysical quantities...
Abstract. In September 2016, 36 spectrometers from 24 institutes measured a number of key atmospheric pollutants for period 17 days during the Second Cabauw Intercomparison campaign Nitrogen Dioxide measuring Instruments (CINDI-2) that took place at Cabauw, The Netherlands (51.97° N, 4.93° E). We report on outcome formal semi-blind intercomparison exercise, which was held under umbrella Network Detection Atmospheric Composition Change (NDACC) and European Space Agency (ESA). three major...
Abstract. Dual-scan ground-based multi-axis differential optical absorption spectroscopy (MAX-DOAS) measurements of tropospheric nitrogen dioxide (NO2) and aerosols were carried out in Uccle (50.8∘ N, 4.35∘ E; Brussels region, Belgium) for 2 years from March 2018 to February 2020. The MAX-DOAS instrument operated both UV visible wavelength ranges a dual-scan configuration consisting two submodes: (1) an elevation scan fixed viewing azimuthal direction (2) low angle (2∘). By analyzing the O4...
Biogenic emissions affect the urban air quality as they are ozone and secondary organic aerosol (SOA) precursors should be taken into account when applying photochemical pollution models. The present study presents an estimation of magnitude non-methane volatile compounds (BNMVOCs) emitted by vegetation over Greece. methodology is based on computation developed with aid a Geographic Information System (GIS) theoretical equations in order to produce emission inventory 6 × km2 spatial...
Aviation's non-CO$_2$ effects, especially the impact of aviation-induced contrails, drive atmospheric changes and can influence climate dynamics. Although contrails are believed to contribute global warming through their net effect, uncertainties persist due challenges in accurately measuring radiative impacts. This study aims address this knowledge gap by investigating relationship between as observed Meteosat Second Generation (MSG) satellite imagery, on forcing (RF) over a two-week study....
Abstract. Ground-based Multi-AXis Differential Optical Absorption Spectroscopy (MAX-DOAS) measurements of aerosols and tropospheric nitrogen dioxide (NO2) were carried out in Uccle (50.8° N, 4.35° E) Brussels, during one year from March 2018 until 2019. The instrument was operated both UV visible (Vis) wavelength ranges a dual-scan configuration consisting two sub-modes: (1) an elevation scan fixed viewing azimuthal direction (the so-called main direction) pointing to the Northeast (2) low...
Abstract. Sentinel-5 Precursor (S-5P), launched in October 2017, carrying the TROPOspheric Monitoring Instrument (TROPOMI) nadir-viewing spectrometer, is first mission of Copernicus Programme dedicated to monitoring air quality, climate, and ozone. In presented study, TROPOMI tropospheric nitrogen dioxide (NO2) L2 product (OFFL v1.03.01; 3.5 km × 7 at nadir observations) has been validated over strongly polluted urban regions by comparison with coincident high-resolution Airborne Prism...
Abstract. We present a database of MAX-DOAS (Multi-AXis Differential Optical Absorption Spectroscopy) ground-based observations NO2 and H2CO performed for the first time in city Kinshasa. These measurements were conducted between November 2019 July 2021 processed using standardized inversion tools developed ESA FRM4DOAS (Fiducial Reference Measurements Ground-Based DOAS Air-Quality Observations) project. The retrieved geophysical quantities are used to validate column from TROPOspheric...
Biogenic emissions affect the urban air quality as they are ozone and SOA precursors should be taken into account when applying photochemical pollution models. The present study presents an estimation of magnitude Non-Methane Volatile Organic Compounds (NMVOCs) emitted by vegetation over Greece. methodology is based on computation performed with aid a Geographic Information System (GIS) theoretical equations in order to develop emission inventory 6x6  spatial resolution, temporal...
<p>Sentinel-5 Precursor (S-5P), launched in October 2017, is the first mission of Copernicus Programme dedicated to monitoring air quality and climate. Its characteristics, such as fine spatial resolution, introduce many new opportunities challenges, requiring carefully assess validity generated data products by comparison with independent reference observations.</p><p>In presented study, S-5P/TROPOMI tropospheric nitrogen dioxide...
Abstract. Dual-scan ground-based Multi-AXis Differential Optical Absorption Spectroscopy (MAX-DOAS) measurements of tropospheric nitrogen dioxide (NO2) and aerosols have been carried out in Uccle (50.8° N, 4.35° E; Brussels region, Belgium) for two years, from March 2018 to February 2020. The MAX-DOAS instrument has operating both UV Visible wavelength ranges a dual-scan configuration consisting sub-modes: (1) an elevation scan fixed viewing azimuthal direction (2) low angle (2°). By...