- 1University of Innsbruck, Department of Ecology, Austria (lorenz.haenchen@uibk.ac.at)
- 2Laboratoire des Sciences du Climat et l'Environnement, Gif-sur-Yvette, France
- 3Max Planck Institute for Biogeochemistry, Jena, Germany
- 4Institute of BioEconomy, National Research Council (IBE-CNR), San Michele all'Adige (TN), Italy
- 5European Commission, Joint Research Centre, Ispra (VA), Italy
- 6Environmental Remote Sensing and Field Spectroscopy Laboratory (SpecLab), Spanish National Research Council (CSIC)
- 7Environmental Protection Agency of Aosta Valley, ARPA VdA, Climate Change Unit, Aosta, Italy
- 8JB Hyperspectral Devices, Düsseldorf, Germany
- 9Laboratory for Earth Observation (LEO), Image Processing Laboratory (IPL), Universitat de València, València, Spain
How to cite: Hänchen, L., Martini, D., Sakowska, K., Migliavacca, M., Pacheco-Labrador, J., Duveiller, G., Hammerle, A., Galvagno, M., Julitta, T., Spielmann, F., Van Wittenberghe, S., and Wohlfahrt, G.: Towards a more reliable GPP estimation: A systematic assessment of using the photochemical reflectance index as a proxy for non-photochemical quenching, EGU General Assembly 2025, Vienna, Austria, 27 Apr–2 May 2025, EGU25-6188, https://doi.org/10.5194/egusphere-egu25-6188, 2025.