Drought returns to California
A few years only after its worst drought in 1,200 years (2011-2016), the drought returns to California. Lake Oroville is […]
Can commercial satellites do the job of Sentinel-HR ?
This post intends to answer a question about Sentinel-HR, that we have had quite often inside or outside CNES : […]
Premiers retours sur le nouveau traitement géométrique Se...
=> Si vous travaillez avec des produits Sentinel2, vous avez probablement entendu dire que le nouveau traitement géométrique de l'ESA est […]
A first peek at new Sentinel2 geometric processing
=> If you are working with Sentinel2 products, you probably heard that ESA new geometric processing is active since 1st […]
2 000 downloads for MAJA !
The distribution of MAJA L2A processor, as an executable software, started in april 1997, but we started counting the number […]
Can surface reflectance be negative ?
=> Here is a frequently asked question : I noticed, in such L2A product processed by MAJA, that some pixels […]
Comment ça marche /how it works
Corrections (geometry, atmosphere, clouds)
En Français
MAJA
Sentinel-2
THEIA
Venµs
Les réflectances de surface peuvent-elle être négatives ?
=> Voici une question que je reçois assez fréquemment : J'ai remarqué dans (tel produit L2A Sentinel-2 corrigé des effets […]
Several issues found in recent papers on cloud detection ...
In the last few months, several papers on Sentinel-2 cloud detection have been published by MDPI remote sensing journal. We […]
Le glacier de l'Astrolabe s'apprête à vêler un bel iceberg
Sur une image Pléiades acquise le 15 janvier, Etienne a remarqué une fracture qui traverse une bonne partie de la […]
Crop Irrigation, a new project labeled by the Space Clim...
=> The Space Climate Observatory (SCO) is an international initiative of the One Planet Summit, launched in June 2019, which […]