In the Landslide blog Dave Petley has analyzed Planet images of the Pashgor debris flow in Afghanistan (here and here). Here I used two Sentinel-2 images (before and after the event) to show the path of the debris flow from the high mountain area to the Panjshir Valley. Sentinel-2 images have a lower spatial resolution […]
Using the new L3A product in Theia it is possible to make nice cloud-free mosaics from Sentinel-2 imagery. Here is an example for Belgium and the script to do it in your terminal. Click here to view and pan in full screen. # download L3A images over Belgium python theia_download.py -l ‘Belgium’ -d 2018-07-01 […]
=> Heureusement que les biologistes animaliers ne sont pas censés passer sur ce blog, il pourriaent être choqués par ce qui suit. Bon, expliquons nous !
Almería province in Spain is « one of the most recognisable spots on the planet from the lens of a passing satellite. The roofs of tens of thousands of closely packed plastic greenhouses form a blanket of mirrored light beaming into space. » (The Guardian). Greenhouses in Almería are typically made with transparent plastic to increase the […]
=> Thankfully, animal biologists are not supposed to read this blog, as they might be shocked by what follows : Well, let’s explain !
=>En rentrant de nos vacances dans les Alpes, nous avons passé une journée près des gorges du Verdon, le grand Canyon européen (je sais, il y a une différence d’échelle avec l’Américain). Ceci dit, le paysage était superbe, comme vous pouvez le voir dans le panorama ci-dessous. Mais ne vous inquiétez pas, je ne […]
=> Coming back from our stay in the Alps, we stayed one day near the Verdon Gorges, the European Grand Canyon (I know there is a difference in scale with the American one). Anyway, the landscape was gorgeous as you can seen on the panorama below. But don’t worry, I will not tell you […]
The departmental council of the Alpes de Haute-Provence has put online 6,500 km of hiking trails throughout its territory. These trails are visible on the site www.rando-alpes-haute-provence.fr which works with Geotrek software. To allow hikers to better prepare their outing, it might be useful to add the 20 m resolution snow maps produced by Theia […]
[This post was written by Simon Gascoin and Sylvain Ferrant] The Lao News Agency reported that the Xe-Pian Xe-Namnoy dam collapsed on Monday causing catastrophic flash floods. « The disaster has claimed several human lives [and] left hundreds of people missing, » the agency reported. Construction of the Xe-Pian Xe-Namnoy dam began in 2013. Commercial operations were […]