En Français
En voyant ce titre dans la Dépêche, j’ai imaginé que les célèbres géoglyphes de Nazca avaient été complétement labourés. Peut-on utiliser Sentinel-2 pour constater l’ampleur des dégâts ? La dernière image du site a justement été acquise le lendemain du drame. Dans cette région aride du Pérou, les nuages sont rares, si bien qu’on peut […]
Pre-processing (geometry, atmosphere, clouds)
This is Toulouse in mid-June last year. Isn’t that a nice place and time to gather the users of Sentinel-2 products delivered by Theia ?CNES and THEIA are very happy to invite you to provide your feedback on the Sentinel-2 products we have been delivering for more than one year, thanks to the MUSCATE ground […]
In English
Great news, we can announce that the operational production of the Theia snow collection has started well. It means that maps of the snow cover area are now constantly added to the Theia portal. These maps are automatically generated from Sentinel-2 observations and have a spatial resolution of 20 m. The Snow collection will progressively […]
In English
Update January 31st, 10h00 : Distribution was just restarted, a few hundreds of images will be added today, and meanwhile, data are processed in Near Real Time.This January was a nightmare for MUSCATE. Following database issues to send data to the distribution server, our production system was stopped during the Christmas break and unstable the […]
Applications
You probably remember Simon Gascoin’s story about the Aru glacier avalanches, which started from Simon’s observations of the twin avalanches using the Sentinels. It was one of the big buzz pages of the blog in 2016. The first images were published here, then spread out in many scientific websites and the social networks. It seems […]
En Français
Sentinel-2 a acquis cette belle image de la campagne autour de Notre-Dame-des-Landes le 17 janvier 2018, le jour même où le Premier ministre annonçait que le projet d’aéroport du Grand Ouest était abandonné. Pour fêter l’occasion le ciel breton s’était éclairci !
En Français
Sorry for those of you waiting for our real time products, MUSCATE production is stalled these days. The teams are working hard to put it back in production.Update: it seems that the issues happened when sending products to the distribution server. A data base request became infinitely long, and the system waited for it. […]
Applications
Land cover map validation is a complex task. If you read French, you can check this post by Vincent Thierion which shows how the 2016 LC map of France produced by CESBIO stands with respect to data sources independent from those used for its production. But this is only one aspect of the validation. A […]
In English
As you have probably noticed, our production rate has been very low these days and we are more than 10 days late in our delivery of L2A and snow cover products.This seems to be due to an intervention on CNES cluster end of December to add new nodes and disk space. MUSCATE sometimes loses communication […]