Snow melt patterns in Andorra in February 2019
The animation below shows the evolution of the snow cover area near Andorra la Vella, the highest capital city in Europe and a popular ski resort, from 15-Feb-2019 to 27-Feb-2019.
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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.
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 […]
Near-real time analysis of the 2018-2019 snow season in the Pyrenees and the Alps from satellite data
Here in southwest France ski lovers did not really enjoy the beginning of the snow season… But how does it compare to the previous years? Using Sentinel-2 and Landsat-8 data, we computed the snow cover duration since September 01 until January 20 for the past three snow seasons in the Alps and Pyrenees.
Two billion pixels to check your next ski destination
More exactly: two maps of 934’343’100 pixels! We [1] have processed 6205 Sentinel-2 images and 593 Landsat-8 images to compute the annual snow cover duration in the Alps and the Pyrenees at 20 m resolution for hydrological years 2016-2017 and 2017-2018. The snow cover duration (or snow persistence) is defined as the total number of […]
Snow cover duration from 01 Sep 2017 to 31 Aug 2018 in the Alps and Pyrenees
=> We are thinking to distribute a new product that would provide the snow cover duration in the Alps and the Pyrenees over a hydrological year (snow persistence map). Here is a preview of a « beta » version that is only 100 m resolution for now. A few words on the method (see also here): this […]
Using Sentinel-2 to prepare your hike
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 […]
Enneigement sur les sentiers des Alpes de Haute-Provence
Le conseil départemental des Alpes de Haute-Provence a mis en ligne le tracé des 6 500 km de sentiers aménagés et balisés sur l’ensemble de son territoire. Ces sentiers sont visibles sur le joli site www.rando-alpes-haute-provence.fr qui fonctionne avec le logiciel Geotrek.
Snow conditions in southern Africa ski resorts
When I present the potential of Sentinel-2 for snow science, I often tell that the spatial resolution of Sentinel-2 is sufficient to detect snow at the scale of the ski runs. Because a picture is worth a thousand words, here is the Sentinel-2 view of the only two ski resorts in southern Africa on July […]