Piton de la Fournaise · La Réunion
The world of fiñv
The landscape
in motion.
A flood, a fire, a coastline, changing soils. Each study starts with a question, develops through data and keeps its limitations visible.
A perspective on changing landscapes
Explore changing landscapes.
Explore real cases, then the methods that help explain them.
23 June 2026 · before12 August 2026 · afterSentinel-2 · same landscape, same extent
Saumos · Gironde
After the fire
2020–2022 2023–2025 Relative elevation (m)
Two periods computed on the same scale, relative to EOT20 mean sea level. The raw difference does not yet demonstrate a validated morphological change. Saint-Froult · Charente-Maritime
Coastal relief
IGN aerial imagery13–25 August 2026 · buildingsBuildings associated with the radar signal · path shown in white
Pomas · Aude
The trace of a tornado
France · Municipality typology · 1995–2025
Clay shrink–swell — municipalities over time
Nouvelle-Aquitaine · 58 ten-year windows
Soil moisture memory
Garonne · Février 2026
La crue vue depuis l’espace
Behind the images
Understand the methods.
One approach: explore a real case, then understand the measurements, mechanisms and limitations behind its interpretation.
Read ground motionRadar phase, time series and the limitations of InSAR.Compare clay shrink–swell exposureRead the 2020 and 2026 zonings at municipality scale.Compare climate and CATNAT decisionsWhat two sources show, and what they cannot show.Observe a moving slopeFrom satellite signals to understanding a landscape.
All methodology articles ↗A landscape to look at differently?
Develop a study together ↗