Retrouvez le pôle THEIA dans le programme de l’EGU 2026
La conférence de géosciences EGU, qui se tiendra du 3 au 8 mai 2026 à Vienne, a publié récemment son programme complet. Voici un bref condensé recensant les présentations et sessions impliquant les scientifiques de la communauté THEIA.
Le pôle THEIA sera présent toute la semaine au stand Data Terra (stand 129, niveau 0), n’hésitez pas à venir nous voir !
Cryosphère
EGU26-16776 | Oral | Mass Loss of the Antarctic Peninsula ice sheet and its peripheral glaciers from 2007 to 2021
Maud Bernat, Etienne Berthier, Amaury Dehecq, Romain Hugonnet, Joaquin MC Belart, Naomi Ochwat, Ted Scambos, Peter Kuipers Munneke, Elizabeth Case, Louis-Marie Gauer, and David Youssefi
Mon, 4 May, 14:00–15:45 | Room 0.15
EGU26-13166 | ECS | Posters on site | CR6.1 A Random Forest and XGBoost analysis of the temporal and spatial variability of snow depth in the Zugspitze region based on terrain features, simulated energy balance and remote sensing
Paul Schattan, Jakob Knieß, Simon Gascoin, Juilson Jubanski, Roberta Facchinetti, Carolin Rempfer, Karl-Friedrich Wetzel, Christian Voigt, Karsten Schulz, and Franziska Koch
Wed, 06 May, 14:00–15:45 (CEST) Hall X5 | X5.174
EGU26-1802 | ECS | Orals | CR1.2 The Hidden Threat of Glacier Melt: Rising Mercury Levels in French Alpine Lakes
Davide Mattio, Stéphane Guedron, Pierre Sabatier, Aurélien Dommergue, Antonio Martínez Cortizas, Antoine Rabatel, and Hélène Angot and the EPOCH ALPS team
Thu, 07 May, 16:35–16:45 (CEST) Room L2
EGU26-9007 | ECS | Orals | GM2.5 Use of time-lapse photogrammetry to capture substantial accumulation rates on an on-glacier avalanche deposit
Marin Kneib, Patrick Wagnon, Laurent Arnaud, Louise Balmas, Olivier Laarman, Bruno Jourdain, Amaury Dehecq, Emmanuel Le Meur, Fanny Brun, Andrea Kneib-Walter, Ilaria Santin, Laurane Charrier, Thierry Faug, Giulia Mazzotti, Antoine Rabatel, Delphine Six, and Daniel Farinotti
Fri, 08 May, 09:25–09:35 (CEST) Room -2.20
EGU26-11729 | On-site presentation | Comparing approaches for glacier elevation change estimation using optical DEM time series
Clare Webster, Francesco Ioli, Joaquín M.C. Belart, Tómas Jóhannesson, Etienne Berthier, Enrico Mattea, Robert McNabb, Désirée Treichler, Luc Girod, Michael Zemp, and Livia Piermattei
Fri, 8 May, 08:30–12:30 | Room L1
EGU26-9325 | ECS | Glacier elevation change estimates: decoding the systematic differences between radar altimetry and DEM differencing
Anne Guyez, Etienne Berthier, Livia Jakob, Noel Gourmelen, Livia Piermattei, Clare Webster, Samuel U. Nussbaumer, Michael Zemp, Joaquín M.C. Belart, and Tómas Jóhannesson
Fri, 8 May, 14:00–15:45 | Hall X5
Eaux continentales
EGU26-19384 | Posters on site | ESSI2.6 Towards a FAIR Water Data Ecosystem: The OneWater FAIR Water Data Platform
Anne Puissant, Sylvain Grellet, Isabelle Braud, Mario Adam, Fanny Arnaud, Hélène Bressan, Véronique Chaffard, Charly Coussot, Stéphane Debard, Jérôme Fozzani, Yvan Le Bras, Eric Lecaudé, Kenneth Maussang, Frédéric Moine, Stéphane Ollagnier, Hervé Squividiant, Joel Sudre, and Lucas Valarcher
Wed, 06 May, 14:00–15:45 (CEST) Hall X4 | X4.59
EGU26-12486 | ECS | Posters on site | HS6.11Tracking Fluvial Inundations and Groundwater Recharge Areas in the Upper Mekong Delta by Combining Sentinel-1, SWOT, and In-Situ Data
Ismail Bala Muhammad, Hind Oubanas, Christina Orieschnig, Pierre-Olivier Malaterre, Paul Baudron, Sylvian Massuel, Cécile Cazals, and Sambo Lun
Wed, 06 May, 16:15–18:00 (CEST) Hall A | A.93
EGU26-5456 | Orals | HS6.6 Assessing and Enhancing SWOT Hydraulic Visibility and Slopes in Narrow Rivers Using High-Resolution Models
Thomas Ledauphin, Guillaume Piasny, Pierre-André Garambois, Léo Pujol, Amanda Samine Montazem, Kevin Larnier, Louis Suchet, Maxime Azzoni, Jérôme Maxant, and Hervé Yesou
Thu, 07 May, 17:25–17:35 (CEST) Room 3.29/30
EGU26-20566 | ECS | Posters on site | HS2.5.1 Improving river-floodplain relationship in PARFLOW-CLM in continental West Africa as an early step to build an multi source hydrologic reanalysis
Pedro Felipe Arboleda-Obando, Jean-Martial Cohard, Alexandre Zoppis, Hector Basile, and Thierry Pellarin
Thu, 07 May, 14:00–15:45 (CEST) Hall A | A.44
EGU26-20510 | Orals | HS6.4 Absolute Water Volume Estimation from Multi-Sensor approach using SWOT and Sentinel-2
Benjamin Tardy, Come Oosterhof, Mathilde De Fleury, Abderrahmane Aiche, and Gaël Nicolas
Thu, 07 May, 11:05–11:15 (CEST) Room 2.44
EGU26-6576 | Orals | HS6.6 SWOT data assimilation in 2D hydrodnamic model for flood studies
Quentin Bonassies, Ludovic Cassan, Thanh Huy Nguyen, Andrea Piacentini, Sophie ricci, Raquel Rodriquez, Santiago Peña Luque, and Christophe Fatras
Thu, 07 May, 16:45–16:55 (CEST) Room 3.29/30
EGU26-14113 | Orals | HS6.4 Integrating AI-derived SAR Flood Extent Map Uncertainties in Remote Sensing Data Assimilation for Flood Forecasting
Thanh Huy Nguyen, Yu Li, Sophie Ricci, Andrea Piacentini, Ludovic Cassan, Raquel Rodriguez Suquet, Santiago Peña Luque, Quentin Bonassies, Christophe Fatras, Marco Chini, and Patrick Matgen
Thu, 07 May, 09:45–09:55 (CEST) Room 2.44
EGU26-20419 | Orals | ESSI3.1 OneWater4all platform and ecosystem: where VRE meets FAIR international standards
Sylvain Grellet, Hervé Squividant, Mario Adam, Fanny Arnaud, Isabelle Braud, Hélène Bressan, Stéphane Debard, Jérôme Fozzani, Véronique Chaffard, Charly Coussot, Kim Anh Trinh, Yvan Le Bras, Eric Lecaudé, Kenneth Maussang, Frédéric Moine, Stéphane Ollagnier, Anne Puissant, Joël Sudre, Lucas Valarcher, and Alexia Vourch and the other OneWater Data project members and associated Water4All partners
Thu, 07 May, 08:55–09:05 (CEST) Room -2.33
EGU26-17030 | ECS | Posters on site | HS2.5.1Advancing Large-Scale Hydrological Modeling for Climate Studies through Multi-Source Assimilation of ESA CCI Products
Malak Sadki, Kaushlendra Verma, Vanessa Pedinotti, Simon Munier, Gaëtan Noual, Gilles Larnicol, Sylvain Biancamaria, Adrien Paris, Laetitia Gal, Philippe Mourot, and Clément Albergel
Thu, 07 May, 14:00–15:45 (CEST) Hall A | A.45
EGU26-9613 | Posters on site | HS2.5.1ESA CCI River Discharge precursor project: current status and challenges
Sylvain Biancamaria and the CCI River Discharge precursor project
Thu, 07 May, 14:00–15:45 (CEST) Hall A | A.41
EGU26-7501 | ECS | Posters on site | HS6.6 From SWOT Cal/Val to Science Phase : Assessing and Enhancing Multi-Mission Satellite Altimeter Data (SWOT, Sentinel-3) for Hydraulic Visibility of the Natural Upper Rhine
Léo Pujol, Thomas Ledauphin, Maxime Azzoni, Pierre-André Garambois, Laurent Schmitt, Valentin Chardon, Valentin Fouqueau, and Hervé Yesou
Fri, 08 May, 08:30–10:15 (CEST) Hall A | A.87
EGU26-16531 | ECS | Posters on site | HS6.6 Estimation of water elevation and volume changes over mountain lakes using Sentinel-1/2 and SWOT data
Laurane Charrier, Fatima Karbou, Guillaume James, Nicolas Gasnier, Adrien Guerou, and Santiago Peña-Luque
Fri, 08 May, 08:30–10:15 (CEST) Hall A | A.83
EGU26-9542 | Posters on site | HS6.6Assessing SWOT PIXC surface classification using imagery-based products
Mohammad J. Tourian, Soheil Ettehadieh, Omid Elmi, Hind Oubanas, and Tamlin Pavelsky
Fri, 08 May, 08:30–10:15 (CEST) Hall A | A.85
Végétation, sols et agrosystèmes
EGU26-703 | ECS | PICO | HS6.2 Fresnel-Based Reflectivity Index for Surface Soil Moisture Retrieval from Multi-Polarization SAR Observations
Vaibhav Gupta, Mehrez Zribi, Nicolas Baghdadi, and Sekhar Muddu
Mon, 04 May, 09:09–09:11 (CEST) PICO spot 4 | PICO4.13
EGU26-7498 | ECS | Orals | BG3.39 Net carbon losses in Central African forests revealed by high-resolution biomass change maps
Liang Wan, Philippe Ciais, Aurélien de Truchis, Yidi Xu, Martin Brandt, Jérome Chave, Clément Bourgoin, Jean-Pierre Wigneron, Jean-François Bastin, Wei Li, Youngryel Ryu, Shidong Liu, David Purnell, Ibrahim Fayad, Le Bienfaiteur Sagang, Arthur Vander Linden, Timothée Besisa, and Pierre Ploton
Mon, 04 May, 17:00–17:10 (CEST) Room N1
EGU26-18728 | Orals | BG3.41 Buffering of microclimate extremes in the understory and its consequences for tree seedling survival
Jerome Ogee and the The ANR project MaCCMic Team
Tue, 05 May, 15:20–15:30 (CEST) Room 2.17
EGU26-6804 | ECS | Posters on site | X1.102 Integrating Earth Observation and Multi-Agent Modelling to Assess Climate and Land-Use Impacts on Large Herbivore Movement in Amboseli, Kenya
Angela Wanjiku, Annelise Tran, Renaud Marti, Victor N. Mose, and Pierre Sosnowski
Wed, 6 May, 08:30–10:15 | Hall X1
EGU26-7150 | ECS | X1.102 Simulating the radiative transfer budget of the Amboseli National Park (Kenya) to support vegetation monitoring using remote sensing
Pierre Sosnowski, Thibault Catry, Victor Mose, and Nicodemus Mwania
Wed, 6 May, 08:30–10:15 | Hall X1
EGU26-10556 | ECS | Posters on site | SSS8.4 Sentinel-2 indices for enhanced prediction of soil rock fragments cover in a Spanish vineyard
Hayfa Zayani, Emmanuelle Vaudour, Maria José Marques Perez, Nicolas Baghdadi, Pascal Pichelin, Juan Emilio Herranz-Luque, Carlos García-Delgado, Pilar Carral, Mukhtar Adamu Abubakar, Didier Michot, and Youssef Fouad
Thu, 07 May, 10:45–12:30 (CEST) Hall X3 | X3.183
EGU26-19250 | ECS | Posters on site | SSS6.8 Sentinel-derived soil moisture retrievals during winter and summer cropping: Potential and limitations of S²MP
Henri Bazzi, Marit Hendrickx, Nicolas Baghdadi, and Sami Najem
Thu, 07 May, 10:45–12:30 (CEST) Hall X3 | X3.146
EGU26-9762 | ECS | Orals | BG9.4 Towards using GEDI in the French NFI-based AGB estimations: Systematic Assessment of Plot-level Simulations Using Nationwide Airborne LiDAR HD Sélim Behloul, Nikola Besic, Steven Hancock, Ibrahim Fayad, Cédric Vega, Sylvie Durrieu, Jean-Pierre Renaud, and Philippe Ciais
Fri, 08 May, 15:15–15:25 (CEST) Room N1
Data Terra
EGU26-9855 | Orals | ESSI2.6 The EOSC Node Data Terra on the Earth system sciences: a way to consolidate a thematic data space
Alessandro Rizzo, Erwan Bodéré, and Karim Ramage
Wed, 06 May, 17:00–17:10 (CEST) Room -2.33
EGU26-20567 | Posters on site | ITS1.20/ESSI4.3 Data Terra: a federated research infrastructure transforming Earth system data into knowledge and services for science and public decision-making
Erwan Bodéré, Alessandro Rizzo, Karim Ramage, and Jérôme Detoc
Thu, 07 May, 14:00–15:45 (CEST) Hall X4 | X4.94
