Conference Agenda

Welcome message from Uni Bonn and FZ Juelich

Uni Bonn representative¹, FZ Juelich representative²

1: University of Bonn, Germany; 2: FZ Juelich, Germany

Welcome message and Workshop objectives

Marco Celesti

European Space Agency, Netherlands, The

Workshop Logistics

Juliane Bendig

Forschunsgzentrum Jülich GmbH, Germany

The FLEX Mission Development Status

Ralf Bock, Joao Pereira do Carmo, Frank de Bruin, Jinesh Ramachandran, Marco Celesti, Gerôme Fastrez, Matteo Taccola

ESA, The Netherlands

The FLEX Instrument Performance Simulator and Ground Prototype Processor: development status

Marc Bouvet¹, Stefan Adriaensen², Enrico Carta³, Emanuela De Luca⁴, Vittorio Digilio³, António Falcão⁵, Riccardo Ferrara³, Luca Galli³, Aymeric Halé¹, Stefano Mica³, Hugo Monchatre⁶, Jaime Parra Damborenea⁵, Sindy Sterckx², Davide Tiriticco³

1: ESA/ESTEC; 2: VITO Remote Sensing; 3: Exprivia S.p.A.; 4: Leonardo S.p.A.; 5: INDRA-Deimos; 6: Thales Alenia Space

FLEX mission products and validation status

Jorge Vicent Servera¹, Theo Paccoud¹, Pekka Kolmonen², Neus Sabater Medina², Sergio Cogliati³, Pietro Chierichetti³, Christiaan van der Tol⁴, Gwennael Matot¹, Roberto Colombo³, Brice Mora¹, Marco Celesti⁵, Marin Tudoroiu⁶

1: Magellium, France; 2: Finnish Meteorological Institute, Finland; 3: University of Milano-Bicocca, Italy; 4: University of Twente, Netherlands; 5: ESA/ESTEC, Netherlands; 6: ESA/ESRIN, Italy

The FLEX Collaborative Platform: Enabling Data Processing, Validation, and Scientific Exploitation of FLEX Fluorescence Products

Pedro Goncalves, Simone Vaccari

Terradue Srl, Italy

Q&A from the audience

Conference Administrator

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The atmospheric correction processor of the FLEX Sentinel-3 tandem space mission

Pekka Kolmonen¹, Neus Sabater¹, Timo Virtanen¹, Sergio Cogliati², Pietro Chierichetti², Théo Paccoud³, Jorge Vicent^3,4, Gwennaël Matot³, Marin Tudoroiu⁵

1: Finnish Meteorological Institute, Finland; 2: University of Milano Bicocca, Italy; 3: Magellium Artal group, France; 4: University of Valencia, Spain; 5: European Space Agency

SIF Full-Spectrum Retrieval in the Framework of the FLEX Mission

Pietro Chierichetti¹, Jorge Vicent-Servera², Théo Paccoud², Pekka Kolmonen³, Neus Sabater³, Marco Celesti⁴, Marin Tudoroiu⁵, Alberto Maiocchi¹, Roberto Colombo¹, Sergio Cogliati¹

1: University of Milano-Bicocca, Italy; 2: Magellium Artal Group, France; 3: Finnish Meteorological Institute, Finland; 4: European Space Agency, ESA-ESTEC, The Netherlands; 5: European Space Agency, ESA-ESRIN, Italy

Photosynthesis data products of FLEX

Christiaan van der Tol¹, Jorge Vicent Servera², Theo Paccoud², Bastian Siegmann³, Hao Jiang¹, Peiqi Yang⁴, Roberto Colombo⁵

1: University of Twente, Netherlands, The; 2: Magellium, France; 3: Forschungszentrum Juelich, Germany; 4: Nanjing Normal University, China; 5: University of Milano-Bicocca

Cal/Val Activities for the FLEX Mission: Approach and Current Status

Roberto Colombo¹, Alireza Mahmoodi², Béatrice Berthelot², Louis Sainte-Marie², Gwennaël Matot², Jorge Vicent Servera², Ornela Nanushi², Brice Mora², Neus Sabater³, Pekka Kolmonen³, Timo H. Virtanen³, Astrid M. Zimmermann⁴, Pieter De Vis⁴, Micol Rossini¹, Giulia Tagliabue¹, Pietro Chierichetti¹, Sergio Cogliati¹, Juliane Bendig⁵, Bastian Siegmann⁵, Uwe Rascher⁵, Egor Prikaziuk⁶, Christiaan van der Tol⁶, Darren Ghent⁷, Jasdeep S. Anand⁷, Tommaso Julitta⁸, Marco Celesti⁹, Dirk Schüttemeyer⁹, Marin Tudoroiu¹⁰

1: Università Milano Bicocca, Italy; 2: Magellium, Toulouse, France; 3: Finnish Meteorological Institute, Helsinki, Finland; 4: National Physical Laboratory, Teddington, UK; 5: Forschungszentrum Jülich GmbH, Jülich, Germany; 6: University of Twente, Enschede, The Netherlands; 7: University of Leicester, Leicester, UK; 8: JB Hyperspectral Devices, Dusseldorf, Germany; 9: European Space Agency, Noordwijk, The Netherlands; 10: European Space Agency, Frascati, Italy

Point-to-pixel upscaling and associated uncertainties due to spatial and temporal variability in the context of FLEX L2 reflectance validation

Pieter De Vis¹, Astrid M. Zimmermann¹, Harry Morris¹, Roberto Colombo²

1: NPL, Teddington, United Kingdom; 2: University of Milano Bicocca, Milano, Italy

Bridging Observation Scales for the Calibration and Validation of FLEX SIF Products

Giulia Tagliabue¹, Micol Rossini¹, Roberto Garzonio¹, Tommaso Julitta², Andreas Burkart², Luigi Vignali¹, Juliane Bendig³, Uwe Rascher³, Bastian Siegmann³, Sergio Cogliati¹, Pietro Chierichetti¹, Falk Pätzold⁴, Astrid Lampert⁴, Christiaan Van der Tol⁵, Pieter De Vis⁶, Franco Miglietta⁷, Lorenzo Genesio⁷, Karolina Sakowska⁷, Alireza Mahmoodi⁸, Marco Celesti⁹, Dirk Schüttemeyer⁹, Marin Tudoroiu¹⁰, Roberto Colombo¹

1: University of Milano-Bicocca, Italy; 2: JB Hyperspectral Devices GmbH, Germany; 3: Forschungszentrum Jülich GmbH, Germany; 4: Technische Universität Braunschweig, Germany; 5: University of Twente, The Netherlands; 6: The National Physical Laboratory, United Kingdom; 7: Consiglio Nazionale delle Ricerche (IBE-CNR), Italy; 8: Magellium Artal Group, France; 9: European Space Agency (ESA ESTEC), The Netherlands; 10: European Space Agency (ESA ESRIN), Italy

Validation of FLEX Level-2 Biophysical Products: Approaches and Current Status

Bastian Siegmann^1,2, Christiaan van der Tol², Egor Prikaziuk², Juliane Bendig¹, David Herrera¹, Hao Jiang², David Pla Guerrero¹, Uwe Rascher^1,3, Tommaso Julitta⁴, Giulia Tagliabue⁵, Micol Rossini⁵, Pieter De Vis⁶, Marco Celesti⁷, Dirk Schüttemeyer⁷, Marin Tudoroiu⁸, Alireza Mahmoodi⁹, Roberto Colombo⁵

1: Forschungszentrum Jülich, Germany; 2: University of Twente, the Netherlands; 3: University of Bonn, Germany; 4: JB Hyperspectral, Germany; 5: University Milano-Bicocca, Italy; 6: National Physical Laboratory, United Kingdom; 7: European Space Agency, ESA ESTEC, the Netherlands; 8: European Space Agency, ESA ESRIN, Italy; 9: Magellium, France

FLEXvalGER - In situ, UAV, airborne and satellite validation of FLEX L1C-L2C products in Germany

Juliane Bendig¹, Martin Bachmann², Jim Buffat¹, Benjamin Brede³, Andreas Burkart⁴, Emiliano Carmona², Sabine Chabrillat^3,5, Gregory Duveiller⁶, Anna Goeritz⁷, Martin Herold³, Ireneusz Kleppert¹, Alexander Knohl⁸, Christoph Koehler², Kevin Kuehl², Sung-Ching Lee⁶, Daniel Magnabosco⁹, Stefan Maier¹⁰, Christian Markwitz⁸, Petra Meyerhoff¹¹, Robert Milewski³, Miguel Pato², Sebastian Preidl⁹, Birgitta Putzenlechner¹², Uwe Rascher¹, Ronny Richter^13,14, Bastian Siegmann¹, Tobias Storch², Sabrina Walz¹¹, Sebastian Wieneke¹⁵

1: Forschunsgzentrum Jülich GmbH, Germany; 2: Earth Observation Center, German Aerospace Center (DLR), Oberpfaffenhofen, Germany; 3: Helmholtz Center for Geosciences (GFZ), Potsdam, Germany; 4: JB Hyperspectral Devices GmbH, Düsseldorf, Germany; 5: Leibniz University Hannover (LUH), Earth System science department, Hannover, Germany; 6: Biogeochemical Integration, Max‐Planck Institute for Biogeochemistry, Jena, Germany; 7: Albert-Ludwigs-Universität Freiburg, Remote Sensing and Landscape Information Systems / Sensor-based Geoinformatics, Tennenbacherstraße 4, 79106 Freiburg; 8: Department of Bioclimatology, Georg-August University, Büsgenweg 2, 37077 Göttingen, Germany; 9: Julius Kuehn-Institute (JKI) - Federal Research Center for Cultivated Plants, Institute for Forest Protection, Erwin-Baur-Str. 27, 06484 Quedlinburg, Germany; 10: Maitec, Isny, Germany; 11: Heinz Walz GmbH, Germany; 12: Competence Center Landscape Resilience, Georg-August University, Büsgenweg 1, 37077 Göttingen, Germany; 13: Department of Systematic Botany and Functional Biodiversity, Institute for Biology, University of Leipzig, Johannisallee 21-23, 04103 Leipzig, Germany; 14: German Centre for Integrative Biodiversity Research (iDiv) Halle-Jena-Leipzig, Puschstraße 4, 04103 Leipzig, Germany; 15: Institute for Earth System Research and Remote Sensing, University of Leipzig, Talstraße 35, 04103 Leipzig, Germany

Validations Strategies for FLEX Level-2 Products: The SpaFLEX Multi-Scale Protocol and Application in Doñana National Park

MaPilar Cendrero-Mateo^1,2, Marcos Jiménez³, Pedro J. Gómez-Giráldez⁴, Adrian Moncholí-Estornell¹, Juanjo Peón³, David Aragonés⁴, Amelia Montoro², Joaquin Cobos⁴, Ricardo Díaz-Delgado⁴, Shari Van Wittenberghe¹, Cynthia Chardí-Raga¹, J.Cesar Marchante-Cambron¹, Jimmy A. Muela-Pillajo³, Félix Muñoz³, Oscar Gutiérrez³, Laura Carretero³, Ana López-Ballesteros⁵, Alvaro Doblas-Rodrigo⁵, Carolina Tenjo¹, Jose Luis Garcia¹, Javier Gorroño⁶, Jesus Delegido¹, Jose Moreno¹

1: Image Processing Laboratory, University of Valencia (UV) Paterna (Valencia), Spain; 2: Desertification research center (CIDE-CSIC-UV-GVA), Department of Ecology and Global Change, Moncada (Valencia),Spain; 3: National Institute of Aerospace Technology (INTA), Torrejón de Ardoz, Madrid, Spain; 4: Doñana Biological Station, Spanish National Research Council (EBD-CSIC), Seville, Spain; 5: Agri-Food Research and Technology Centre of Aragon (CITA), Zaragoza, Spain; 6: Institute of Water and Environmental Engineering (IIAMA), Universitat Politècnica de València (UPV), Valencia, Spain

FLORA – FLEX Leaf Observation and Retrieval via Hybrid Approaches: A Multi-Sensor Framework for Calibration and Validation of FLEX L2B/L2C Products

Carlos Camino¹, Lammert Kooistra¹, Nandika Tsendbazar¹, Harm Bartholomeus¹, Dainius Masiliūnas¹, Roderik Lindenbergh², Mahmoud Ahmed², Jose Luis Pancorbo³, Giandomenico De Luca^3,4, Giacomo Panza³, Aldo Dal Prà³, Lorenzo Genesio³, Michiel van der Molen⁵, Folkert Boersma^5,6, Joris Timmermans², Christiaan van der Tol⁷

1: Laboratory of Geo-Information Science and Remote Sensing, Wageningen University, Wageningen, the Netherlands.; 2: Dept. of Geoscience and Remote Sensing, Delft University of Technology, Delft, the Netherlands.; 3: Consiglio Nazionale delle Ricerche – Istituto per la BioEconomia, Firenze, Italy.; 4: University of Siena - Department of Life Sciences, Siena, Italy.; 5: Meteorology and Air Quality group, Wageningen University, Wageningen, the Netherlands; 6: Satellite Observations Department, Royal Netherlands Meteorological Institute, the Netherlands.; 7: Faculty of Geo-Information Science and Earth Observation (ITC), University of Twente, Enschede, the Netherlands.

Upscaling photosynthetic function from leaf to canopy level and across the seasons for representative terrestrial ecosystems in the USA

Petya Campbell¹, K. Fred Huemmrich¹, Shawn Serbin², Christopher Neigh², Christiaan van der Tol³, Elizabeth Middleton¹

1: UMBC/GESTAR II and NASA/GSFC, Biospheric Sciences Laboratory, Greenbelt, MD, U.S.A.; 2: NASA/GSFC, Biospheric Sciences Laboratory, Greenbelt, MD, U.S.A.; 3: ITC, University of Twente, Enschede, Netherlands

Integrating tower-based dual-geometry hyperspectral system and drone-based hyperspectral imaging system for calibration and validation of the FLEX mission across multiple ecosystems in South Korea

Youngryel Ryu, Jeongho Lee, Wonseok Choi

Seoul National University, Korea, Republic of (South Korea)

INSIF, International Network of Sun-Induced Chlorophyll Fluorescence

Tommaso Julitta¹, Mitchell Kennedy¹, Andreas Burkart¹, Paul Naethe¹, Agnieszka Bialek², Pieter De Vis², Astrid Zimmermann², Ashley Ramsay², Thomas Storm³, Laura Mihai⁴, Javier Pacheco-Labrador⁵, Dirk Schuettemeyer⁶, Marin Tudoroiu⁶, Marco Celesti⁶

1: JB Hyperspectral Devices GmbH, Germany; 2: National Physics Laboratory. Teddington, United Kingdom; 3: Brockmann Consult. Hamburg, Germany; 4: INFLPR. Magurele, Romania; 5: Environmental Remote Sensing and Spectroscopy Laboratory (SpecLab), Spanish National Research Council (CSIC); 6: ESA. European Space Agency

Considerations on the use of in situ spectroscopy measurements for FLEX data validation

Alexander Damm^1,2, Jasmin Kesselring¹, Lars Groeneveld¹, Eugenie Paul-Limoges^1,3, Michael Niederberger¹

1: Department of Geography, University of Zurich, Winterthurerstrasse 190, 8057, Zurich, Switzerland; 2: Eawag, Swiss Federal Institute of Aquatic Science & Technology, Surface Waters – Research and Management, Überlandstrasse 133, 8600, Dübendorf, Switzerland; 3: Swiss Federal Institute for Forest, Snow and Landscape Research (WSL), Zürcherstrasse 111, 8903, BirmensdorfBirmensdorf, Switzerland

Advancing SIF Retrieval for FLEX: Integrating UAV Hyperspectral, FluorSpec and Radiative Modelling in Potato and Maize Systems

Carlos Camino¹, Lammert Kooistra¹, Marnix Hoogenboom¹, Yan Xiaolu¹, Yali Bai^2,3, Ana Erst⁴, Harm Bartholomeus¹

1: Laboratory of Geo-Information Science and Remote Sensing, Wageningen University, Wageningen, Netherlands.; 2: Institute of Crop Science, Chinese Academy of Agricultural Sciences, Beijing, China.; 3: National Nanfan Research Institute (Sanya), Chinese Academy of Agricultural Sciences, Sanya, China.; 4: 4. Centre for Crop Systems Analysis, Wageningen University & Research, Wageningen, The Netherlands.

High-spatial-resolution gross primary production estimation from Sentinel-2: A baseline for future SIF integration

Emma De Clerck¹, Pablo Reyes-Muñoz¹, Egor Prikaziuk², Dávid D.Kovács^1,3, Jochem Verrelst¹

1: Image Processing Laboratory - University of Valencia, Spain; 2: Faculty of Geo-Information Science and Earth Observation (ITC) - University of Twente, The Netherlands; 3: Department of Geodesy and Geoinformation - TU Wien, Austria

FRM4FLUO: Fiducial Reference Measurements for the Fluorescence. Overview.

Tommaso Julitta¹, Andreas Burkart¹, Paul Naethe¹, Agnieszka Bialek², Pieter De Vis², Astrid Zimmermann², Franco Miglietta³, Lorenzo Genesio³, Karolina Sakowska³, Bastian Siegmann⁴, Juliane Bendig⁴, Micol Rossini⁵, Giulia Tagliabue⁵, Roberto Colombo⁵, Sergio Cogliati⁵, Falk Pätzold⁶, Astrid Lampert⁶, Chiristiaan Van der Tol⁷, Hao Jiang⁷, Dirk Schuettemeyer⁸, Marin Tudoroiu⁸, Marco Celesti⁸

1: JB Hyperspectral Devices GmbH, Germany; 2: National Physics Laboratory. Teddington, United Kingdom; 3: Italian National Research Council - CNR, Italy; 4: Forschungszentrum Jülich GmbH, Germany; 5: University of Milano Bicocca, Italy; 6: iTUBS, Germany; 7: University of Twente, the Netherlands; 8: ESA. European Space Agency

Meet the FLORES project: Mechanistically Tracking Forest Photosynthesis and Transpiration through Multiscale Chlorophyll Fluorescence Signals

Quentin Beauclaire¹, Bernard Longdoz¹, Ivan Janssens², Jan De Pue³, Matthias Cuntz⁴, Simon De Cannière^2,5, François Jonard⁵

1: BIODYNE Biosystems Dynamics and Exchanges, TERRA Teaching and Research Center, Gembloux Agro-Bio Tech, University of Liege, Liege, Belgium; 2: Department of Biology, Research Group PLECO (Plant and Ecosystems), University of Antwerp, Universiteitsplein 1, 2610 Wilrijk, Belgium; 3: Royal Meteorological Institute of Belgium, Meteorological and Climatological Research, Brussels, Belgium; 4: Université de Lorraine, AgroParisTech, INRAE, Nancy, France; 5: Earth Observation and Ecosystem Modelling Laboratory, SPHERES Research Unit, University of Liège, Liège, Belgium

Chlorophyll Fluorescence Measurements Across Scales at the Sodankylä ESA SUPERSITE

Marika Honkanen¹, Pekka Kolmonen¹, Antti Kukkurainen¹, Hannakaisa Lindqvist¹, Alasdair MacArthur², Neus Sabater¹, Tea Thum¹

1: Finnish Meteorological Institute, Finland; 2: Laboratory for Earth Observation, Image Processing Laboratory, Dept. of Earth Physics and Thermodynamics, University of Valencia, Valencia, Spain 

Operational Processing of High-Quality Fluorescence Products: the FLEX Mission Core Processing Facility

Richard Hofmeister¹, Torben Keßler¹, Alexander Strecker¹, Quentin Saalfeld¹, Alessandra Rech²

1: Werum Software & Systems AG, Germany; 2: ESA ESRIN, Italy

On the use of the FLoX spectrometer for validating FLEX data over water

Mariano Bresciani¹, Lodovica Panizza¹, Claudia Giardino¹, Andrea Pellegrino^1,2, Monica Pinardi¹, Vittorio Ernesto Brando³, Jaime Pitarch³, Federica Braga⁴, Martin Hieronymi⁵, Ruediger Röttgers⁵, Sabine Marty⁶, Tommaso Julitta⁷, Tristan Harmel⁸, Marco Celesti⁹

1: Institute for Electromagnetic Sensing of the Environment, CNR, Milano, Italy; 2: Department of Engineering, University of Sapienza, Rome, Italy; 3: Institute of Marine Sciences, CNR, Rome, Italy; 4: Institute of Marine Sciences, CNR, Venice, Italy; 5: Department of Optical Oceanography, Institute of Carbon Cycles, Helmholtz-Zentrum Hereon, Geesthacht, Germany; 6: Department of Oceanography, NIVA, Oslo, Norway; 7: JB Hyperspectral Devices GmbH, Düsseldorf, Germany; 8: Earth Observation Unit, Magellium, Ramonville-Saint-Agne, France, European Space Agency; 9: ESA-ESTEC, the Netherlands

Towards FLEX for inland waters: analysis of ground, airborne and spaceborne data in Lake Garda

Lodovica Panizza¹, Mariano Bresciani¹, Claudia Giardino¹, Monica Pinardi¹, Andrea Pellegrino¹, Salvatore Mangano¹, Martina Austoni², Elisabetta Canuti³, Laura Caccetta⁴, Denise Cinellu⁴, Sergio Cogliati⁴, Roberto Colombo⁴, Jan Hanuš⁵, Karel Holouš⁵, Tomáš Fabiánek⁵, Karolina Sakowska⁶, Lorenzo Genesio⁶, Loris Vescovo⁷, Damiano Gianelle⁷, Sara Venafra⁸

1: Institute of Electromagnetic Sensing of the Environment, National Research Council, Italy; 2: Water Research Institute, National Research Council, Verbania, Italy; 3: Joint Research Centre - European Commission, Ispra (VA), Italy; 4: University of Milano-Bicocca, Milano, Italy; 5: CzechGlobe, Brno, Czech Republic; 6: Institute of BioEconomy, National Research Council, Florence, Italy; 7: Edmund Mach Foundation, Trento, Italy; 8: Italian Space Agency, Matera, Italy

Project Transparent: genetically modified cotton plants overexpressing chromoproteins and their potential use in satellite imagery

Daniela Cordeiro¹, Filipe Natalio^1,2

1: UCIBIO – Applied Molecular Biosciences Unit, Department of Chemistry, NOVA School of Science and Technology, Universidade NOVA de Lisboa, Campus da Caparica, Caparica, Portugal; 2: Associate Laboratory i4HB – Institute for Health and Bioeconomy, NOVA School of Science and Technology, Universidade NOVA de Lisboa, Campus da Caparica, Caparica, Portugal

FLEX radiometry monitoring using VICALOPS service

Béatrice Berthelot¹, Pieter De Vis², Jorge Vicent-Servera¹, Louis Sainte-Marie¹, Anis Djellali¹, Tristan Lalanne¹, Guillaume Fassot¹, Astrid Zimmermann², Marc Bouvet³

1: Magellium, France; 2: NPL, England; 3: ESA/ESTEC, The Netherlands