Programme

Kindly find below the 9th Sentinel-3 Validation Team Meeting programme.

Monday, 30 March 2026
09:00-10:00	Registration
10:00-13:00	Introduction - Plenary part 1: Copernicus & Sentinel-3 Updates Chairs: Jerome Bouffard, Milen Tahtadjiev Room: Big Hall
	S3VT Welcome Katrin Molch
	Sentinel‐3 Mission Status Jerome Bouffard, Milen Tahtadjiev
	Copernicus Programme Overview and Updates
	Copernicus Services Updates
	Sentinel-3C & D status Nic Mardle
13:00-14:00	Lunch Break
14:00-15:45	Introduction - Plenary part 2: Sentinel-3 Instrument and Product Status Chairs: Jerome Bouffard, Milen Tahtadjiev Room: Big Hall
	SLSTR A‐B Instruments and Products status (including reprocessing) Steffen Dransfeld, Anne Reed / Maciej Neneman
	OLCI A‐B Instruments and Products status (including reprocessing) Steffen Dransfeld, Ewa Kwiatkowska / Maciej Neneman
	SRAL/MWR A‐B Instruments and Products status (including reprocessing) Alessandro Di Bella, Bruno Lucas
	Atmosphere Products status (including reprocessing) Simon Proud, Julien Chimot
15:45-16:15	Coffee Break & Posters
16:15-18:15	Optical Level-1 Chairs: Steffen Dransfeld, Maciej Neneman Room: Big Hall (15 min slots)	Altimetry Chairs: Alessandro Di Bella & Bruno Lucas Room: Magellan 1 (15 min slots)
	Radiometric validation of Sentinel-3 SLSTR and OLCI using natural targets Camille Desjardins	Review of past ALT-S3VT action items and recommendations Alessandro Di Bella & Bruno Lucas
	Status of the SLSTR VIS/SWIR Channels Calibration Dave Smith	Sentinel-3 Hydro-Cryo Products: current status and evolutions Alessandro Di Bella
	Radiometric Validation Status of Sentinel-3 OLCI and SLSTR Level-1B products using DIMITRI Database at Optical Mission Performance Cluster Bahjat Alhammoud	Sentinel-3 Marine Products: current status and evolutions Bruno Lucas
	Copernicus Sentinel-3 Ocean and Land Colour Instrument Calibration Alexis Deru	The Sentinel-3 Hydro-Cryo products: current status and future evolutions Jérémie Aublanc
	Geometric validation of Sentinel-3 products using projected data Sebastien Clerc	Assessment of the new Sentinel-3 BC006.02 – Part 1: open-ocean performance Francesco Nencioli
	Absolute radiometric calibration of S3-OLCI over Extreme Deep Convective Clouds with the help of geostationary data Camille Desjardins	Assessment of the new Sentinel-3 BC006.02 – Part 2: polar ocean performance Francesco Nencioli
	Long-term validation of Sentinel-3 OLCI L1 data using Rayleigh, sunglint and lunar calibration methods Stefan Adriaensen	Sentinel-3 POD at the Copernicus POD Service: Status and Roadmap Carlos Fernandez
	Sentinel-3 OLCI & SLSTR Level 1 monitoring at EUMETSAT in preparation for Sentinel-3C Sébastien Wagner	Sentinel-3 altimeters instrument calibration monitoring Pablo Garcia
18:15-20:30	S3VT#9 Ice Breaker @ESA
Tuesday, 31 March 2026
09:00-10:30	Altimetry Chairs: Alessandro Di Bella & Bruno Lucas Room: Magellan 1 (15 min slots)	Land Chairs: Steffen Dransfeld Room: J. Cook (15 min slots)	Ocean Colour Chairs: Ewa Kwiatkowska Room: Big Hall (15 min slots)	Temperature Chairs: Anne Reed Room: Magellan 2 (20 min slots)	Atmosphere Chairs: Julien Chimot & Simon Proud Room: Room A (15 min slots)
	Sentinel-3 External Calibration Results Adrián Flores de la Cruz	Evaluation of The Calibration of the SLSTR TIR Bands and LST Products Sara Arribas	Session 1: L2 Water OLCI validations	Session 1: IST status and validation chair: Anne Reed	Session 1 - Fires
	The ESA Permanent Facility for Altimetry Calibration in the Service of Sentinel-3 and its Next Generation Altimeters Stelios Mertikas	Validation of SLSTR A/B Land Surface Temperature data against University of Leicester ground-based measurements Jasdeep Singh Anand	Quality Assessment and Consistency Check of OLCI Operational L2 Products across Contrasted Sea Waters in China Bing Han	A new operational high-latitude Sea and Sea-ice Surface Temperature product from the Copernicus SLSTR Gary Corlett	The FIDEX Projects: Evaluation of the S3 NTC Fire Radiative Power Products using combined S3 Tandem Mission Observations, Simulation Modelling and Airborne Earth Observation Underflights. Martin Wooster
	Ten Years of Sentinel-3 Microwave Radiometers: Instruments Operational Monitoring and Quality Assessment within the S3MPC-STM project Hélène Roinard	Validation of the new CLMS Actual Evapotranspiration and Heat Fluxes products Jan De Pue	Validation of OLCI total and phytoplankton group chlorophyll-a products from the South Atlantic with in-situ derived from high resolution underway spectroscopy and discrete samples' HPLC pigment measurements Astrid Bracher	Evaluation of the Collection-4 of the Sentinel-3 SLSTR IST retrieval algorithms Gorm Dybkjaer	Directional Effects in Airborne FRP Measurements and Implications for Satellite Validation — Results from FRM4FireFarrer Owsley-Brown
	Sentinel-3 microwave radiometers over ocean surfaces: long-term monitoring and performance assessment within the COPAS project Alexis Saint-Georges Chaumet	A validation of the geometric accuracy of the full (A)ATSR mission Caroline Cox	Coastal waters to Offshore Structures: HPLC‑Based Validation of Sentinel‑3 Ocean‑Colour Products in the North Sea Benjamin Whitcombe	Science for Marine Surface Temperature (Sci4MaST) service: presentation of the Sea and sea-ice Surface Temperature activities Caroline Ribere	Uncertainty aware validation of Sentinel-3 Level-2 Fire Radiative Power products: An overview of the outcomes of the Fiducial Reference Measurements for Fire (FRM4FIRE) project Bernardo Mota
	Near four years of enhanced Sentinel-3 NTC altimeter products by means of the GPD+ algorithm Joana Fernandes	Radiometric De-shading of Sentinel-3 SYN SDR: From Impact Analysis to Algorithm Development Carsten Brockmann	An extensive validation of ocean colour products for the Black Sea Dalin Jiang	Discussion	Copernicus Sentinel-3 NRT Fires product – Upcoming Collection 3.2 and planed evolution Edouard Martins
	Improving MWR-based retrievals of wet tropospheric correction (WTC) in coastal areas Frank Fell	Sentinel-3 OLCI Level 2 Land Cloud Flagging – Validation Methodologies and Results from the Collection 003 Reprocessing Campaign Jan Weves	Chl-a retrieval in the Black Sea—review and enhancement of algorithms merging Davide D'Alimonte		Discussion
10:30-11:00	Coffee Break & Posters
11:00-13:00	Altimetry Chairs: Alessandro Di Bella & Bruno Lucas Room: Magellan 1 (15 min slots)	Land Chairs: Steffen Dransfeld Room: J. Cook (15 min slots)	Ocean Colour Chairs: Ewa Kwiatkowska Room: Big Hall (15 min slots)	Temperature Chairs: Anne Reed Room: Magellan 2 (20 min slots)	Atmosphere Chairs: Julien Chimot & Simon Proud Room: Room A (15 min slots)
	Sentinel-3 MWR stability assessment using comparisons to radiosonde and GNSS in-situ measurements of wet tropospheric correction Alexis Saint Georges-Chaumet	Development of a dedicated SLSTR neural network cloud mask to enhance Sentinel-3 SYN SDR products Jan Weves	Session 2: L2 Water Collection-4Introduction Ewa Kwiatkowska	Session 2: SST status and validation Chair: Igor Tomazic	Monitoring Sentinel-3 NTC fire products via comparisons with a geostationary sensor Sébastien Clerc
	The KD-VAR Approach for WTC Retrieval: Combining the Best of Two Worlds by Bridging Physical Uncertainty Estimation and Operational Efficiency Bruno Picard	Assessing Sentinel-3 OLCI GIFAPAR using GBOV reference observations: a metrological perspective Ana Perez-Hoyos	BRDF correction of Sentinel-3 OLCI water reflectance products Jaime Pitarch	Evolution of Copernicus SLSTR Sea Surface Temperature products Gary Corlett	SLSTR FRP validation using Sentinel-2 and Sentinel-3 simultaneous observations Sébastien Clerc
	A decade of Sentinel-3 Marine Cal/val Activities at NOAA Eric Leuliette	Uncertainty Evaluation of Sentinel 3 OLCI GI-FAPAR Fabrizio Cappucci	Radiometric validation of Sentinel-3/OLCI water reflectance by the WATERHYPERNET, including a data release with new 2025 data and new sites Kevin Ruddick	Sci4MaST: Improvements to the SLSTR SST processor Chris Merchant	Prototype for the correction of SLSTR F1 band ringing effect Caroline Cox
	Global Altimetry versus Tide Gauges comparisons: current results and uncertainty budget Victor Quet	Quantifying up-scaling uncertainty of GBOV Land Products using 3 D radiative transfer virtual vegetation scenes Christian Lanconelli	Assessing changes in the processing chain of Sentinel-3/OLCI using reference measurements from fixed autonomous hyperspectral radiometers in four Italian sites Luis González Vilas	Use of SLSTR dual-nadir information content in estimating bias correction for single-view sensors Andrew Harris	Session 2 - Aerosols and Clouds
	Updated Sentinel-3A/3B absolute bias results, and preparations for Sentinel-3C from Bass Strait, Australia Christopher Watson	Validation of Sentinel-3 OLCI FAPAR Product using Automated Wireless Sensor Networks Somnath Paramanik	Validation of Sentinel-3/OLCI Level-2 Collection-4 water reflectance using autonomous multi- and hyperspectral in situ observations in the turbid waters of Río de la Plata, Argentina Ana I. Dogliotti	Discussion	Evolution of the cloud-edge post-processing module in the OLCI-SLSTR Synergy aerosol (SY_2_AOD) retrieval. Larisa Sogacheva
	Validation of Sentinel-3 waveform over selected coastal areas Shirzad Roohi	Discussion - time margin	Validation of satellite data in context of optical water types Martin Hieronymi		Effect of different cloud masks on SYN AOD aerosol retrieval Timo Virtanen
	From Sentinel-6 to Sentinel-3: Optimal Statistical Retracking for Improved Ocean Altimetry Anna Mangilli		Validation of Sentinel-3 OLCI radiometric products over the Baltic sea Krista Alikas		Plans for the development of NRT Level-2 Clouds products in Copernicus Sentinel-3 Edouard Martins
	On the impact of the assimilation of upgraded Sentinel-3 wave data (BC-6.2) in the wave model MFWAM Lotfi Aouf		An Improved Validation of Sentinel-3 OLCI Level-2 Water Products in the Northwestern Baltic Sea Sean O'Kane		Evolution of cloud properties and radiative fluxes observed from space Elisa Carboni
13:00-14:00	Lunch Break
14:00-15:30	Altimetry Chairs: Alessandro Di Bella & Bruno Lucas Room: Magellan 1 (15 min slots)	Land Chairs: Steffen Dransfeld Room: J. Cook (15 min slots)	Ocean Colour Chairs: Ewa Kwiatkowska Room: Big Hall (15 min slots)	Temperature Chairs: Anne Reed Room: Magellan 2 (20 min slots)	Atmosphere Chairs: Julien Chimot & Simon Proud Room: Room A (15 min slots)
	On the assessment of sea level accuracy from Sentinel-3a SRAL and surface water ocean topography KaRIn satellite altimetry missions Jesús Gómez-Enri	A decadal assessment of Sentinel-3 OLCI land products: consistency, completeness, and long-term continuity Jadu Dash	Session 3: Multi-mission datasets and methods	Session 3: Fiducial Reference Measurements for SST/IST Chair: Anne Reed	Long term records of atmospheric aerosol and particulate matter from Sentinel-3 Peter North
	Recent progress of St3TART-FO in providing operational Fiducial Reference Measurements (FRMs) for Sentinel-3 Hydro-Cryo Altimetry products and beyond Eva Le Merle	Validation of Sentinel 3 OLCI, SYN and SLSTR products in the framework of the Copernicus Climate Change Service (C3S) Land Biosphere Products Carsten Brockmann	NOAA Ocean Color Science Team Calibration/Validation Activity Update Menghua Wang	Towards harmonisation of EUMETSAT and Copernicus sea and sea-ice surface temperature and the role of Fiducial Reference Measurements Anne Reed	Aerosol Optical Thickness Retrievals using Sentinel-3’s SLSTR and OLCI Instruments Linus Andrae
	Sentinel-3 Land STM MPC: Status and evolutions of the sea-ice product Sara Fleury	Extending the SPOT/VEGETATION and PROBA-V archives with Sentinel-3 SYN VGT: Challenges, achievements and consistency evaluation Carolien Tote	Updates on the operational uptake of Sentinel 3A and 3B OLCI in the Copernicus Marine Service Ocean Colour products Vittorio Brando	Collecting FRM data for SST and IST calibration and validation Marc Lucas	Status and progresses in advanced Sentinel-3 Near Real Time (NRT) L2 aerosols capabilities - New capabilities & Synergy developments Julien Chimot
	Results of the Sea-Ice Thickness Intercomparison Exercise (SIN’XS) Project Caroline Ribere	A continuous record of Land surface reflectance from MODIS Aqua/Terra and Sentinel 3 OLCI/SLTSTR Eric Vermote	Global assessment of merged multi-sensor ocean-colour chlorophyll-a products Gavin Tilstone	Sentinel-3 SLSTR SST validation using a Fiducial Reference Measurements (FRM) service Werenfrid Wimmer	Shipborne aerosol measurements on the Atlantic Ocean in 2025 for validation of new satellite aerosol retrievals – application to SLSTR on Sentinel-3A/B Olaf Tuinder
	Estimation of Sea Ice Concentration and Snow Depth using Sentinel-3 MWR brightness temperatures and altimeter synergies Alexis Saint Georges-Chaumet	Synergetic retrieval from GROund-based and SATellites measurements for GLOBal surface validation (GROSAT-GLOB): main principles, approach and products Pavel Lytvynov	Machine Learning–Based Discrimination of Coccolithophore Bloom Development Stages in Optically Complex Coastal Waters of British Columbia Using Sentinel-3 OLCI Maycira Costa	ASTeRN: A validation radiometer for fiducial measurements of SST, LST and IST Tim Nightingale	Discussion
	The Sentinel-3 AI Laboratory Michael Tsamados		SWIR-band atmospheric correction for OLCI-SLSTR Synergy and S3NGO requirements Constant Mazeran	Discussion
15:30-16:00	Coffee Break & Posters
16:00-18:00	Altimetry Chairs: Alessandro Di Bella & Bruno Lucas Room: Magellan 1 (15 min slots)	Land Chairs: Steffen Dransfeld Room: J. Cook (15 min slots)	Ocean Colour Chairs: Ewa Kwiatkowska Room: Big Hall (15 min slots)	Temperature Chairs: Anne Reed Room: Magellan 2 (20 min slots)	Atmosphere Chairs: Julien Chimot & Simon Proud Room: Room A (15 min slots)
	Comparison of the floe/lead classification of the SRAL measurement with OLCI images Laura Orgambide	Evaluation of Copernicus Sentinel 3 derived SYNERGY surface directional reflectance products with reference surface reflectance measurements Naga Sai Suman Moparthy	Session 4: Fiducial Reference Measurements	Session 4: SST/IST Cal/Val tools and in-situ validation Chair: Igor Tomazic	Session 3 - H2O
	Monitoring Sentinel-3 SRAL Performance over Land Ice Stine Kildegaard Rose	CLMS Sentinel-3 OLCI and SLSTR surface reflectance as common basis for derived land products Carolien Toté	FRMOCnet: Empowering Ocean Colour Data Collection Riho Vendt	Development and enhancement of monitoring and Cal/Val tools within the Science for Marine Surface Temperature (Sci4MaST) project Caroline Ribere	Overview of the first release of the operational Near Real Time (NRT) atmospheric water vapour product from Copernicus Sentinel-3 Julien Chimot
	Sentinel-3 AMPLI for Ice Sheet Topography Monitoring: Recent Results and Future Perspectives Jérémie Aublanc	Improvements in monitoring seasonal snow with Sentinel-3 optical sensors Thomas Nagler	New uncertainty features in HyperInSPACE Community Processor (HyperCP) Agnieszka Białek	Copernicus Cal/Val tool (CCVT): application to SLSTR SST/IST and synergistic use with other missions and parameters Igor Tomazic	Validation of Sentinel-3 OLCI/SLSTR Synergistic Total Column Water Vapour Retrieval over Coastal Water Surfaces Jan Riad El Kassar
	Uncertainty estimation for Sentinel-3 ice sheet elevation measurements Karla Boxall	Snow and ice broadband albedo from Sentinel-3 A and B validation using Greenland ice sheet in-situ data Jason Box	Spectral and Atmospheric Dependence of Sea-Surface Reflectance Factors for Above-Water Radiometry: Computation and Impact on AERONET-OC Retrievals Barbara Bulgarelli	Validation of global SSTskin measurements from the Copernicus SLSTR radiometers using Fiducial Reference Measurements Gary Corlett	S3 AIRWAVE-SLSTR automatic processing and inter-comparison/validation chain Massimo Valeri
	Lake Ice Thickness from radar Altimetry: From Sentinel-6 to Sentinel-3 and CRISTAL, with Perspectives toward Sea Ice Anna Mangilli		In-water AOP data requirements, workflows and results for PACE Validation Violeta Sanjuan Calzado	Discussion	Discussion
	Provision of operational FRM measurements for Sentinel-3 over inland waters: the St3TART Follow-On project Valentin Fouqueau		From Space to Sea: A Machine Learning Synthesis of Satellite-Derived and In-Situ Water Quality Analysis in Ireland Kalliopi Karadima
	Centralizing in-situ Hydrological measurements for satellite altimetry validation: the INSIGHT platform Valentin Fouqueau		Discussion
	Insight into validation methods of Sentinel-3 Hydrology Thematic Products Julien Renou
19:30	Dinner at Raro Restaurant
Wednesday, 01 April
09:00-10:30	Altimetry Chairs: Alessandro Di Bella & Bruno Lucas Room: Magellan 1 (15 min slots)	Land Chairs: Steffen Dransfeld Room: J. Cook (15 min slots)	Ocean Colour Chairs: Ewa Kwiatkowska Room: Big Hall (15 min slots)	Temperature Chairs: Anne Reed Room: Magellan 2 (15 min slots)	Atmosphere Room: Room A (15 min slots)
	Deciphering river backscatter signals of Sentinel-3 using SWOT Sigma0 estimates Julien Renou	Wrap-up Land discussion	Session 5: Coordination and stewardship of in situ measurments for validation and algorithm development
	Validation of Sentinel-3 altimeter data in a German network Luciana Fenoglio		Modarated discussion
	Retracking multiple off-nadir elevations over rivers with Sentinel-3 missions Jean-Alexis Daguzé
	RainGNSS: toward a dense, low-cost ground-based network providing reference tropospheric corrections for altimetry missions and accumulated precipitation estimates for flood prediction Bruno Picard		Writing of conclusions and recommendations
	Development of an integrated method to validate SWATH altimetry over inland water: A new approach from SWOT Cal/Val first results Valentin Fouqueau
	Preparation of wrap-up slides and recommendations with Altimetry S3VT members
10:30-11:00	Coffee Break & Posters
11:00-13:00	Wrap-up Session Room: Big Hall
	Wrap-up Land
	Wrap-up Ocean Colour
	Wrap-up Temperature
	Wrap-up Atmosphere
	Wrap-up Altimetry
	Plenary wrap-up session