Dust on snow in the Armenian Highlands
The ESA website featured this Sentinel-2 image of a large and thick plume of dust off Libya (click here to view in the Sentinel-Hub)
In English
Pre-processing (geometry, atmosphere, clouds)
[MUSCATE news] MAJA upgraded to version 2
Yesterday, the MUSCATE ground segment started delivering Sentinel-2A L2A products using the MAJA V2 processor, while MAJA V1 was used until now. MAJA V2 corrects for a few bugs (such as the pixels flagged as cloud or cloud shadow on the edge of the images) and adds three new features : Elsa Bourgeois, from Cap […]
Code
Speed-up downloads from PEPS S2 mirror site with peps_download.py
The French Sentinel mirror site, PEPS, has a very clever data management facility. All the products are stored on tapes, with a capacity of several PB, and there is some sort of cache made of disks. The products accessed recently are on disks, while the other products stay on tapes. The storage costs and also […]
MAJA
Validation systématique des produits Sentinel-2 de Theia
=>Camille Desjardins (du CNES (DSO/SI/MO)), qui s’occupe de la validation des produits de niveau 2A distribués par THEIA, a très récement mis en place une validation systématique des produits fournis par MAJA, avec l’aide d’un service d’exploitation du CNES (DNO.OT/PE). Le travail est effectué par Bruno Besson avec l’aide de Nicolas Guilleminot (de Thales Services), […]
Pre-processing (geometry, atmosphere, clouds)
Systematic validation of Sentinel-2 THEIA L2A products
=> Very recently, Camille Desjardins (from CNES), who is handling the validation of the L2A products generated by THEIA, has set up a systematic validation of the products delivered by MAJA, with the help of an operational service from CNES (OT/PE) (Bruno Besson, and Nicolas Guilleminot from Thales Services, using tools developed by Aurélie Courtois, […]
En Français
Sentinel-2 goes global
Great news ! As announced in Sentinel-2 Mission status, laser links to geostationary relay satellites are now working, both for S2B (since last October) and S2B (since a few days ago). Sentinel-2 5 days repetitivity is now nominal above all lands, and that’s cool ! A big thank you to ESA, Copernicus and all the […]
Non classé
[MUSCATE News] Retraitement des données Sentinel-2B acquises de Juillet à Octobre 2017
=>MUSCATE est en grande forme ces jours-ci, grâce aux efforts de l’équipe de développement (CNES et CAP GEMINI), qui ont résolu de nombreux problèmes récemment. Le compteur des produits de niveau 2A de Sentinel-2 vient de dépasser 70 000, juste un mois après avoir passé 60 000. Si on fait la somme de tous les […]
In English
[MUSCATE News] Reprocessing of Sentinel-2B data aquired from July to October 2017
=> MUSCATE is in a good shape these days thznkd to the continuous efforts of the development team (CNES and CAP GEMINI) who solved several issues. The counter of Sentinel-2 Level 2A products reached 70 000 products this night, just one month after reaching 60000. If we sum all the products delivered by MUSCATE, we […]
Non classé
Improvement of high cloud detection in MAJA for Sentinel-2 images.
=> The research to improve the performances of our MAJA atmospheric correction processor relies on a very small team within CESBIO, with two persons, Bastien Rouquié, who is working at improving aerosol retrievals, and myself, who spend most of the time in meetings, or writing blog posts, and sometimes doing both simultaneously ;). This is […]