En Français

[MUSCATE news] Slow production / Production ralentie

Following the installation of MUSCATE version 2.5, the production has resumed, but very slowly. It seems to be hampered by the archiving of data, which takes too much time. This causes traffic jams in the scheduler, an the team has no other solution right now than reducing the throughput of MUSCATE.We hope to solve this […]

In English

Summer in the Southern Alps by Venµs

Venµs is a French-Israeli satellite mission which captures high resolution multi-spectral images every two days over selected sites. The Theia land data center is kind enough to provide L2A images (bottom-of-atmosphere), which can be easily downloaded by batch (see this tutorial). Here I selected all the images of a site near Mount Cook in the […]

Composite (3A)

Sentinel-2 Level 3A products : syntheses or composites ?

=> For the past few months, Copernicus has been distributing Level 3A products for the Sentinel-2 mission as part of the S2GM (Sentinel-2 Global Mosaics) . This ambitious project aims to provide monthly, quarterly or annual Level 3A products worldwide. The user defines his zone and period of interest and orders the product. The web site […]

Composite (3A)

Produits de Niveau 3A: Synthèses ou composites ?

=>Copernicus diffuse depuis quelques mois des produits de niveau 3A pour la mission Sentinel-2 dans le cadre du projet S2GM (Sentinel-2 Global Mosaics). Ce projet très ambitieux a pour but de fournir, à l’échelle mondiale, des synthèses mensuelles, trimestrielles ou annuelles. L’utilisateur définit sa zone et sa période d’intérêt et commande le produit. Le site est […]

In English

New paper ! An active learning cloud detection tool to generate reference cloud masks for Sentinel-2. Application to the validation of MAJA, Sen2cor and FMask cloud masks

It is not that frequent when the work of a trainee ends up as a peer reviewed publication, but Louis Baetens was a brilliant trainee. In a six months training period at CESBIO, funded by CNES, here is what Louis Baetens did: The publication was just released by remote sensing :Baetens, L.; Desjardins, C.; Hagolle, […]

Durée de l'enneigement du 01 septembre au 19 février dans le bassin de la Durance à Serre-Ponçon

En Français

Etat de l’enneigement dans le bassin de la Durance

L’enneigement est plutôt bon cette année dans les Alpes comme le remarque le chef du centre Météo-France des Alpes du Nord.

MAJA

A pause in MUSCATE production, end of February

The MUSCATE production centre will be offline for a week from February 25th to March 4th (or maybe the week after, please see Theia’s RSS feed to see the exact date). This pause will be necessary to upgrade the processing centre to V2.5. As a result, we will not be able, for a week, to […]

Sentinel-2

Black snow in Prokopyevsk

The snow cover is not always white. Sometimes it is orange, sometimes it is black. The images below were captured by Sentinel-2 in Prokopyevsk, Russia.According to the Siberian Times the deposition of black dust on snow in February 2019 was due to the failure of a filtering system in a coal processing plant. Looking at […]

En Français

Apport des images radar et optiques pour la cartographie des surfaces irriguées

(English version below) Dans le cadre du projet Simult’eau (partenaires : Arvalis, CACG, Chambres d’Agriculture du Tarn et des Hautes-Pyrénées, financement CASDAR) nous avons testé l’apport d’une utilisation combinée des images radar et optiques pour la cartographie des surfaces irriguées (maïs et soja) dans le Sud-Ouest de la France. Les résultats publiés dans Remote Sensing […]