CEOS EO HANDBOOK – INSTRUMENT SUMMARY - FLORIS -
Full Name Fluorescence Imaging Spectrometer Status Approved
Instrument Agencies ESA Maturity
Instrument Type Imaging multi-spectral radiometers (vis/IR) Geometry Nadir-viewing
Instrument Technology Medium-resolution spectro-radiometer Sampling Imaging
Data Access Data Format
Measurements and Applications Mapping vegetation fluorescence to quantify photosynthetic activity.
Resolution Summary High spectral resolution of ~0.3 nm around the Oxygen absorption bands. Other spectral areas with less pronounced absorption features will be measured at medium spectral resolution between 0.5 and 3 nm.
[Best Resolution: 300m]
Swath Summary 150 km swath
[Max Swath: 150 km]
Accuracy Summary
Waveband Summary Several bands of the range 500-780 nm, with two types of spectral resolution: Low (1-2 nm) and High (0.1-0.5 nm)
VIS (~0.40 µm - ~0.75 µm)
NIR (~0.75 µm - ~1.3 µm)
Instrument Measurements
Measurements Overview
CategoryParameter
VegetationChlorophyll Fluorescence from Vegetation on Land
Instrument Missions
FLEX - FLuorescence EXplorer (2026 - 2029)