=>The production of Level2A Sentinel-2A data by Theia is a little delayed, but we will still deliver, before the end of the month, the level 2A products acquired over France by Sentinel-2A so far. The production of the other selected sites, and the real time production will start a little later. It is not a piece […]
=>La production des données de N2A de Sentinel-2 par Theia a pris du retard, mais nous allons cependant fournir, dès la fin septembre, les produits de niveau 2A correspondant aux données acquises sur la France par Sentinel-2. La production des autres sites sélectionnés, et celle en temps réel démarreront un peu plus tard. Ce n’est pas […]
Wildfires were raging in California this summer. Let’s see if we can spot some of them in Sentinel-2A images with the new Sentinel-Playground by Sinergise. The combination of the SWIR and NIR bands of Sentinel-2 or Landsat enables to produce accurate maps of burnt areas. The SWIR band is sensitive to the water content in the […]
=> Le volcan Kilauea à Hawaï est un des plus actifs au monde. Cela fait déjà plus de trente ans qu’il est entré en éruption, mais il a fait les gros titres récemment car ses coulées ont atteint l’océan Pacifique, agrandissant le territoire hawaïen de deux hectares d’un coup ! Voilà une technique efficace pour […]
Short after working with Simon on the script for the article about the mapping of flooded areas, I wanted to be sure that our short script was realistic. I had some time to loose at the airport, so, after finding a wifi connection, I looked for pictures of the flooded areas of the north of […]
=> Kilauea Volcano in the largest active volcano in Hawaii and one of the most active on Earth. It has been erupting for over 30 years now but hit the headlines recently because a large lava flow traveled up to the ocean, adding 2 brand new hectares to the Hawaiian Islands.
=>C’est avec nostalgie que je vous fais part de la fin d’exploitation du satellite Formosat 2, dont un certain nombre de composants sont tombés en panne récemment, après 12 ans de fonctionnement (8 de plus que prévu). Au moment de son lancement, nous cherchions des données nous permettant de simuler les caractéristiques du satellite VENµS (prévu pour […]
After reading my previous post about the Rutog ice avalanche, my distinguished colleagues Antoine R. and Olivier H. challenged me to look for a pre-event image to better highlight the avalanche area. The closest clear-sky image that I could find is a Landsat-8 image that was acquired on June 24 (23 days before the slide).
The Nature News website reported yesterday on a massive ice avalanche that happened in Rutog, Tibet, on 17 July 2016. This ice avalanche killed 9 people and may be one the largest ever observed. The ice and rock mixture spread over 6 km from the collapse point up to the Aru Co lake shoreline.