Conference Agenda

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

Remote detection of drought stress with sun-induced chlorophyll fluorescence: a tale of scaling up and down

Georg Wohlfahrt¹, Albin Hammerle¹, Felix Spielmann¹, Anna de Vries¹, Lorenz Hänchen¹, Javier Pacheco-Labrador², Mirco Migliavacca³

1: Universität Innsbruck, Austria; 2: Spanish National Research Council, Spain; 3: European Commission, Joint Research Center, Italy

OLCI-based O2A relative band depth (RBD) versus ground-based SIF, NIrv and Apar measurements

Franco Miglietta¹, Mustafa Elfahl¹, Josè Luis Pancorbo¹, Lorenzo Genesio¹, Karolina Sakowska¹, Roberto Colombo², Marco Celesti³, Tommaso Julitta⁴

1: Institute for Bioeconomy, CNR, Italy; 2: Università Milano Bicocca, Milano, Italy; 3: European Space Agency (ESA); 4: Jb-Hypespectral, Germany

Evaluating the photosynthetic imprint in sun-induced chlorophyll fluorescence: a multi-site study

Simon De Cannière^1,2, Gregory Duveiller³, Georg Wohlfahrt⁴, Ivan Janssens¹

1: University of Antwerp; 2: University of Liège; 3: Max Planck Institute for Biogeochemistry, Jena; 4: University of Innsbruck

Measuring nighttime altitude-dependent O2A absorption bands deepening over an illuminated greenhouse

Lorenzo Genesio¹, Roberto Colombo², Sergio Cogliati², Federico Carotenuto¹, Patrick Rademske³, Patrizia Sacco⁴, Franco Miglietta¹

1: Institute for Bioeconomy of the National Research Council (CNR-IBE), Italy; 2: University of Milan Bicocca (UNIMIB), Italy; 3: Forschungszentrum Jülich GmbH (FZJ), Germany; 4: Italian Space Agency (ASI), Italy

Towards an emulation-based SIF retrieval method for FLEX data

Jim Buffat¹, Miguel Pato², Stefan Maier², Emiliano Carmona², Uwe Rascher³, Hanno Scharr¹

1: Forschungszentrum Jülich GmbH, Institute for Advanced Simulation, IAS-8: Data Analysis and Machine Learning, Jülich, Germany; 2: Remote Sensing Technology Institute, German Aerospace Center (DLR), Oberpfaffenhofen, Germany; 3: Forschungszentrum Jülich GmbH, Institute for Bio- and Geosciences, IBG-2: Plant Science, Jülich, Germany

Understanding non-linear chlorophyll fluorescence dynamics for water stress detection

Cynthia Chardí Raga¹, Julio César Marchante Cambrón¹, Shari Van Wittenbeghe¹, Adrián Moncholi Estornell¹, Sara Pescador-Dionisio¹, María José López Galiano², Begoña Renau Morata³, José Moreno Méndez¹, María Pilar Cendrero Mateo^1,4

1: UNIVERSITY OF VALENCIA, IPL LABORATORY, Spain; 2: UNIVERSITY OF VALENCIA, DEPARTMENT OF GENETICS, Spain; 3: UNIVERSITY OF VALENCIA, DEPARTMENT OF PLANT BIOLOGY, Spain; 4: DESERTIFICATION RESEARCH CENTER (CIDE-CSIC-UV-GVA), DEPARTMENT OF ECOLOGY AND GLOBAL CHANGE, Spain

AndesFlux: First SIF ground-based observations in the western amazon flux network

Eric G. Cosio¹, Eliana Esparza¹, Rudi Cruz¹, Norma Salinas¹, Rolf Becker², Waltraud Kofer², Jan Sonntag², Tommaso Julitta³, Andreas Burkhardt³, Laura Verena Junker-Frohn⁴, Onno Muller⁴, Uwe Rascher⁴

1: Pontificia Universidad Católica del Peru, Peru; 2: Hochschule Rhein-Waal; 3: JB Hyperspectral Devices; 4: Forschungszentrum Jülich

Assessing Plant Adaptive Strategies and Stress Tolerance via Chlorophyll Fluorescence and Photoprotective Pigment Dynamics

Amelia Montoro¹, Cynthia Chardi-Raga², César Marchante², David Aragonés³, Marcos Jiménez⁴, Ricardo Díaz-Delgado³, Juan José Peón⁴, Adrián Moncholí-Estornell², Pedro J. Gómez-Giráldez³, Joaquín Cobos³, Shari Van Wittenberghe², Félix Muñoz⁴, Laura Carretero⁴, Oscar Gutiérrez⁴, Jesús Delegido², José Moreno², Mª Pilar Cendrero-Mateo¹

1: Desertification Research Centre (CIDE)/CSIC, Spain; 2: Image Processing Laboratory, University of Valencia, Spain; 3: Doñana Biological Station (EBD)/CSIC, Spain; 4: National Institute of Aerospace Technology (INTA), Spain

Evaluation of remote sensing methods for non-photochemical quenching (NPQ) estimation

Hao Jiang¹, Peiqi Yang², Egor Prikaziuk¹, Zhigang Liu³, Christiaan van der Tol¹

1: University of Twente, Faculty of Geo-Information Science and Earth Observation (ITC), the Netherlands; 2: Nanjing Normal University, China; 3: Beijing Normal University, China

Simultaneous retrieval of water quality and fluorescence properties from FLEX-Sentinel-3 synergy

Soham Mukherjee^1,2, Tristan Harmel¹

1: Magellium, France; 2: Saber Solution, India

Comparative Assessment of Methods for Quantifying the Escape Probability of Remotely Sensed Red and Far-Red Solar-Induced Chlorophyll Fluorescence from the Leaf to the Canopy Scale

Bastian Siegmann^1,2, Juliane Bendig¹, Katja Berger³, Juan Manuel Romero^1,4, Christiaan van der Tol², Jochem Verrelst⁵, Sebastian Wieneke⁶, Lucas Wittstruck⁷, Peiqi Yang⁸, Yelu Zeng⁹, Uwe Rascher^1,10

1: Forschungszentrum Jülich, Germany; 2: University of Twente, the Netherlands; 3: GFZ Helmholtz Centre for Geosciences, Germany; 4: University of Buenos Aires, Argentina; 5: University of Valencia, Spain; 6: University of Leipzig, Germany; 7: University of Osnabrück, Germany; 8: Nanjing Normal University, China; 9: China Agricultural University, China; 10: University of Bonn, Germany

SpaFLEX Procedure for Propagating in-situ Sun-induced Chlorophyll Fluorescence and Reflectance Uncertainty in Cal/Val FLEX L2 Product

Juanjo Peón¹, Marcos Jiménez¹, Mª Pilar Cendrero-Mateo², Oscar Gutiérrez de La Cámara¹, Adrián Moncholí-Estornell³, Jimmy A. Muela¹, Javier Gorroño⁵, David Aragonés⁴, Félix Muñoz¹, Laura Carretero¹, Pedro J. Gómez-Giráldez⁴, José Moreno³

1: National Institute of Aerospace Technology (INTA), Torrejón de Ardoz, Madrid, Spain; 2: Image Processing Laboratory, University of Valencia (UV) Paterna (Valencia), Spain Desertification research center (CIDE-CSIC-UV-GVA), Department of Ecology and Global Change, Spain; 3: Image Processing Laboratory, University of Valencia (UV) Paterna (Valencia), Spain; 4: Doñana Biological Station, Spanish National Research Council (EBD-CSIC), Seville, Spain; 5: Institute of Water and Environmental Engineering (IIAMA), Universitat Politècnica de València (UPV), 46022 Valencia, Spain

Diurnal variation in solar-induced chlorophyll fluorescence and CO2 uptake of a Malaysian natural tropical forest: a tower-based study

Tomoki Morozumi¹, Hibiki Noda¹, Tomomichi Kato², Tatsuya Miyauchi², Tatsuro Nakaji², Satoru Takanashi³, Yoshiko Kosugi⁴, Marryanna Lion⁵

1: National Institute for Environmental Studies NIES, Japan; 2: Hokkaido University, Japan; 3: Forestry and Forest Products Research Institute, Japan; 4: Kyoto University, Japan; 5: Forest Research Institute Malaysia FRIM, Malaysia

Intercomparison experiment of Field spectroradiometers for FLEX L2 product Validation

Jimmy A. Muela¹, Marcos Jiménez¹, Juanjo Peón¹, Oscar Gutiérrez de la Cámara¹, Mª Pilar Cendrero-Mateo², Adrián Moncholí-Estornell², Cynthia Chardi-Raga², Pedro Gómez-Giráldez³, David Aragonés³

1: National Institute of Aerospace Technologies (INTA), Spain; 2: Laboratory for Earth Observation, Image Processing Laboratory, University of Valencia, C/Catedrático Agustin Escardino, n° 9, 46980 Paterna, Spain; 3: Doñana Biological Station (EBD-CSIC), C/ Americo Vespucio, 26. 41092 Sevilla (Spain)

The retrieval of vegetation properties from TROPOSIF and multi-mission reflectance

Christiaan van der Tol¹, Simon Blessing², Kris Vonhoof³, Ralf Giering², Else Swinnen³

1: University of Twente, Netherlands, The; 2: FastOpt, Germany; 3: VITO, Belgium

A multi-scale spatial sampling strategy for FLEX product validation within the SpaFLEX project

Pedro J. Gómez-Giráldez¹, Marcos Jiménez², Mª Pilar Cendrero-Mateo³, Juan José Peón², Adrián Moncholí-Estornell³, José Moreno³, Joaquín Cobos¹

1: Doñana Biological Station (EBD-CSIC), C/ Americo Vespucio, 26. 41092 Sevilla (Spain); 2: National Institute of Aerospace Technology (INTA), Crta. de Ajalvir km 4, Torrejón de Ardoz 28850 Madrid (Spain); 3: Laboratory for Earth Observation, Image Processing Laboratory, University of Valencia, C/Catedrático Agustin Escardino, n° 9, 46980 Paterna (Spain)

Doñana as a Cal/Val Supersite for the FLEX Mission: Multi-scale Field Campaigns within the SpaFLEX Project

Joaquin Cobos¹, David Aragonés¹, Gabriela Romero¹, Marcos Jiménez², Mª Pilar Cendrero-Mateo³, Amelia Montoro⁴, Juan José Peón², Adrián Moncholí-Estornell³, Cynthia Chardi-Raga³, César Marchante³, Ricardo Diaz¹, Pedro Jesus Gomez¹

1: Doñana Biological Station (EBD-CSIC), C/ Americo Vespucio, 26. 41092 Sevilla (Spain); 2: National Institute of Aerospace Technology (INTA), Crta. de Ajalvir km 4, Torrejón de Ardoz 28850 Madrid (Spain); 3: Laboratory for Earth Observation, Image Processing Laboratory, University of Valencia, C/Catedrático Agustin Escardino, n° 9, 46980 Paterna, Spain.; 4: Desertification Research Centre (CIDE), CSIC-UV-GVA, Ctra CV 315, Km 10.7, Valencia, Moncada 46113, Spain

Use of chlorophyll fluorescence for the early detection of pest infestation in sweet potato plants

Julio Cesar Marchante Cambron¹, Cynthia Chardí Raga¹, Adrián Moncholi Estornell¹, Consuelo Penella Casañ², Ángeles Calatayud Chover², Anna Villalba Gimeno², María Pilar Cendrero Mateo^1,3

1: IPL LABORATORY, Spain; 2: VALENCIAN INSTITUTE OF AGRICULTURAL RESEARCH (IVIA), CENTRE FOR CITRICULTURE AND PLANT PRODUCTION – HORTICULTURE, Spain; 3: DESERTIFICATION RESEARCH CENTER (CIDE-CSIC-UV-GVA), DEPARTMENT OF ECOLOGY AND GLOBAL CHANGE, Spain

Downscaling solar-induced fluorescence of natural, complex tree canopies by combing LiDAR data and high-resolution hyperspectral images with3D radiative transfer modelling

Saja Salattna¹, Omar Regaieg², Zbynek Malenovsky², Jiaojiao Tian³, Youcef Benghorbel³, Tomáš Hanousek⁴, Růžena Janoutová⁴, Stefan Auer³, Uwe Rascher¹, Bastian Siegmann¹

1: Juelich Forschungszentrum, Germany; 2: University of Bonn, Department of Geography, Germany; 3: German Aerospace Centre (DLR), Germany; 4: Czech Academy of Sciences, Global Change Research Institute, Czech Republic

Validation strategy of FLEX surface reflectance and irradiance using autonomous ground reference data

Astrid M. Zimmermann¹, Pieter De Vis¹, Agnieszka Bialek¹, Roberto Colombo², Tommaso Julitta³

1: National Physical Laboratory, United Kingdom; 2: University of Milano Bicocca, Italy; 3: JB Hyperspectral Devices GmbH, Germany

SIFcam Dual Camera System for Sensing Solar-induced Fluorescence – Data Processing and Uncertainty Assessment

David Pla Guerrero¹, Saja Salattna¹, Luis Kremer¹, Juliane Bendig¹, Sofia Choza Farias¹, Jim Buffat², Armagan Elibol^2,3, Hanno Scharr², Bastian Siegmann¹, Omar Regaieg⁴, Lucas Casuccio⁴, Zbyněk Malenovský⁴, Uwe Rascher¹

1: Institute of Bio- and Geosciences (IBG), Plant Sciences, Forschungszentrum Jülich GmbH, Germany; 2: Institute for Advanced Simulation (IAS), Forschungszentrum Jülich GmbH, Germany; 3: College of Engineering, Al Ain University Abu Dhabi Campus; 4: Department of Geography, University of Bonn, Bonn, Germany

SIFcam - Advancing a Research Prototype Towards a Scalable Platform with potential for FLEX validation

Luis Kremer^1,2, Juliane Bendig¹, Pla Guerrero David¹, Salattna Saja¹, Andreas Müller¹, Jens Bongartz², Uwe Rascher¹

1: Institute of Bio- and Geosciences (IBG), Plant Sciences, Forschungszentrum Jülich GmbH, Germany; 2: Application Centre for Machine Learning and Sensor Technology, Hochschule Koblenz, Germany

Integrating Solar-Induced Chlorophyll Fluorescence, Land Surface Temperature and Hyperspectral Vegetation Indices for Machine Learning-based Drought Stress Detection in Forests

Sunniva McKeever¹, Patrick Rademske¹, Jim Buffat², Katrin Meusburger³, Roman Zweifel³, Giovanni Bortolami³, Jan Ziegler³, Ingo Ensminger⁴, Arthur Gessler³, Uwe Rascher¹, Bastian Siegmann¹

1: Forschungszentrum Jülich GmbH, Institute for Bio- and Geosciences, IBG-2: Plant Sciences, Germany; 2: Forschungszentrum Jülich GmbH, Institute for Advanced Simulation, IAS-8: Data Analytics and Machine Learning, Germany; 3: Swiss Federal Institute for Forest, Snow and Landscape Research WSL, Switzerland; 4: University of Toronto, Department of Biology, Canada

Airborne system design and data acquisition campaigns for the SpaFLEX project within the Spanish Cal/Val plan of ESA’s FLEX mission

Félix Muñoz¹, Óscar Gutiérrez de la Cámara¹, Marcos Jiménez¹, Laura Carretero¹, Juanjo Peón¹, Jimmy A. Muela¹, MªPilar Cendrero-Mateo², José Moreno², Adrián Moncholí-Estornell², Cynthia Chardi-Raga², Amelia Montoro³, Pedro J. Gómez-Giráldez⁴, Joaquín Cobos⁴, David Aragonés⁴, Francisco Belmar⁵, David Horsman⁵, Diego Godoy⁵, Felipe Tapia⁵

1: National Institute of Aerospace Technology (INTA), Torrejón de Ardoz, Madrid, Spain; 2: Image Processing Laboratory, University of Valencia, Valencia (Paterna), Spain.; 3: Desertification Research Centre (CIDE)/CSIC, Spain; 4: Doñana Biological Station, Spanish National Research Council (EBD-CSIC), Seville, Spain; 5: Heligrafics Fotogrametría SL, Alcoi, Alicante, Spain

Towards a FLEX sensor fusion system for monitoring gradual global land cover change

Dainius Masiliūnas

Wageningen University & Research, the Netherlands

Bayesian solar-induced fluorescence retrieval algorithm (SIFFI) with tolerance against atmospheric uncertainties

Antti Kukkurainen¹, Antti Lipponen¹, Ville Kolehmainen², Antti Arola¹, Neus Sabater¹

1: Finnish Meteorological Institute, Finland; 2: University of Eastern Finland, Finland

Comparative Analysis of Full-Spectrum SIF Principal Component Reconstruction versus SpecFit

Miguel Morata¹, Ignasi Martí-Martí¹, Bastian Siegmann², M.Pilar Cendrero-Mateo¹, José Luis García-Soria¹, Jochem Verrelst¹

1: University of Valencia, Department of Earth Observation, Spain; 2: Institute of Bio- and Geosciences, Plant Sciences (IBG-2), Forschungszentrum Jülich GmbH, Germany

Assessing the impact of an explicit representation of the nitrogen cycle on SIF and GPP dynamics across European sites

Léo Tuffery^1,2, Cédric Bacour^1,2, David Martini^1,2, Georg Wohlfahrt³, Nicolas Vuichard^1,2, Nicolas Viovy^1,2, Vincent Tartaglione^1,2, Fabienne Maignan^1,2

1: Laboratoire des Sciences du Climat et de l’Environnement (LSCE), CEA, CNRS, UVSQ, Université Paris-Saclay, Gif-sur-Yvette, France; 2: Institut Pierre-Simon Laplace (IPSL), Université de Versailles Saint-Quentin en Yvelines, Guyancourt, France; 3: Universität Innsbruck, Institut für Ökologie, Innsbruck, Austria

DART-based canopy-to-photosystem downscaling of airborne far-red solar-induced fluorescence of deciduous forest stands

Omar Regaieg¹, Zbyněk Malenovský¹, Bastian Siegmann², Vojtěch Bárta³, Benedikt Hoodt¹, Saja Salattna², Cailin Zhou⁴, Tiangang Yin⁴

1: Department of Geography, University of Bonn, Germany; 2: IBG-2: Plant Sciences, Forschungszentrum Jülich GmbH, Germany; 3: Global Change Research Institute, Czech Academy of Sciences, Czech Republic; 4: Department of Land Surveying and Geo-Informatics, The Hong Kong Polytechnic University, Hong Kong

How can we benefit from TROPOSIF observations in terrestrial biosphere model development?

Tea Thum¹, Hermanni Aaltonen¹, Mika Aurela¹, Gregory Duveiller², Marika Honkanen¹, Bruce Johnson³, Anne Klosterhalfen⁴, Alexander Knohl⁴, Sung-Ching Lee², Hannakaisa Lindqvist¹, Tristan Quaife⁵, Javier Pacheco-Labrador⁶, Phillip Papastefanou², Zoe Pierrat⁷, Troy Magney⁸, Jochen Stutz⁹, Sönke Zaehle²

1: Finnish Meteorological Institute, Finland; 2: Max Planck Institute for Biogeochemistry, Germany; 3: University of Saskatchewan, Canada; 4: University of Göttingen, Germany; 5: University of Reading, UK; 6: Environmental Remote Sensing and Spectroscopy Laboratory (SpecLab), Spanish National Research Council (CSIC); 7: University of California Santa Barbara, US; 8: University of Montana, US; 9: University of California Los Angeles, US

FLEX Mission Support in Heterogeneous Ecosystems: Integrated Proximal Sensing and Ground-Based Monitoring at Majadas de Tiétar

Luis Alonso¹, Arnaud Carrara¹, Ramon Lopez¹, M. Pilar Martin², Javier Pacheco-Labrador², Vicente Burchard-Levine²

1: Mediterranean Center of Environmental Studies (CEAM), Spain; 2: Environmental Remote Sensing and Spectroscopy Laboratory (SpecLab), Spain

Proximal Solar-Induced Fluorescence Imaging for Understanding SIF Signals within FLEX Footprints

Paul Seibert^1,2, Cynthia Gerlein-Safdi^1,2

1: University of California, Berkeley, United States of America; 2: Lawrence Berkeley National Laboratory, Berkeley, United States of America

Error Budget Tool: A Diagnostic Framework for SIF Retrieval Algorithm

Pietro Chierichetti¹, Jorge Vicent-Servera², Théo Paccoud², Pekka Kolmonen³, Neus Sabater³, Marco Celesti⁴, Aymeric Hale⁴, Marc Bouvet⁴, 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

Detecting declines in forest productivity and vitality from biotic disturbance using multi-scale LAI and fAPAR estimation

Sebastian Preidl¹, Daniel Magnabosco Marra^1,2, Henrik Hartmann^1,2,3

1: Julius Kuehn-Institute (JKI) - Federal Research Center for Cultivated Plants, Institute for Forest Protection, Erwin-Baur-Str. 27, 06484 Quedlinburg, Germany; 2: Max Planck Institute for Biogeochemistry, Biogeochemical Processes Department, Hans-Knöll-Str. 10, 07745, Jena, Germany; 3: Georg-August-University Göttingen, Faculty of Forest Sciences and Forest Ecology, Germany

Using TECs-SIF to unreveal site-dependent relationship between solar-induced chlorophyll fluorescence and gross primary productivity

Min Chen, Haoran Liu

University of Wisconsin-Madison, United States of America

Global reconstruction of the spectrum of terrestrial chlorophyll fluorescence With TROPOMI

Feng Zhao, Zhenfeng Wu

Beihang University, People's Republic of China

A Digital Twin of Soil-Plant-Atmosphere Continuum Enhanced by Earth Observation (SPACEO) for Monitoring and Predicting Land Processes

Yijian Zeng, Bob Su, Yunfei Wang, Zengjing Song, Enting Tang

ITC Faculty of Geo-Information Science and Earth Observation, Universiteit Twente, Netherlands, The

Leveraging Solar-Induced Fluorescence for Mechanistic Understanding of Water and Carbon Fluxes

Yunfei Wang^1,2, Yijian Zeng¹, Bob Su¹

1: University of Twente, The Netherlands; 2: Zhengzhou University, China

The MicroCarb Satellite Mission: Overview and Development of the SIF Retrieval

Michael Cartwright^1,2, Robert Parker^1,2, Dan Orr^1,2

1: University of Leicester, Leicester, UK; 2: National Centre for Earth Observation, Leicester, UK