Medicanes Numa
Medicanes, short for “Mediterranean” + “hurricanes”, are cyclones over the Mediterranean Sea having a tropical-like structure but a rather small size. They are relatively rare in Europe. They can be very destructive and deadly, even when they don’t reach their … Continue reading Medicanes Numa
Europe Sentinel-3 Mosaic
What about one of the first Sentinel-3 cloud free mosaic covering Europe with all its land parts and seas? The following image has been generated mosaicing around 300 Level 2 products of OLCI and SLSTR instruments, representing a synergic contribution … Continue reading Europe Sentinel-3 Mosaic
Bogoslof Island: a puzzle for geographers.
Bogoslov Island has a Russian sounding name and indeed belongs to the Aleutian Islands, Alaska which was sold by Russia to United States in 1867. It is actually the summit of a stratovolcano 1800 m height from the seabed and emerged … Continue reading Bogoslof Island: a puzzle for geographers.
Wildfires in Val di Susa
Wildfires were raging Val di Susa during the last three days. Val di Susa is an alpine valley located in the western part of Piemonte, region of north Italy, west of Turin and bordering France. The state of emergency is … Continue reading Wildfires in Val di Susa
In Endeavour’s wake: Madeira, 12 September 1768.
Green and mountainous Madeira is in view and we have time just to finish our crew’s tour. Joseph Banks and the scientific Team The Royal Society obtained the permission to send, at his own expense, Joseph Banks, a renowned botanist … Continue reading In Endeavour’s wake: Madeira, 12 September 1768.
Rapid mapping of moving Glaciers
Responsible for the 10% of Greenland icebergs, the Jakobshavn Glacier is one of the largest outlet glaciers in the world. According to recent scientific studies it is also one of the fastest moving glaciers on Earth, Its speed can in … Continue reading Rapid mapping of moving Glaciers
Rainbow Mountains
On Earth there are a lot of natural wonders, some of them discovered only in the last decades and so become famous around the world only in recent times. This is the case of the colored mountains, aka rainbow mountains … Continue reading Rainbow Mountains
Irma’s Journey
Hurricane Irma was an extremely powerful and catastrophic cyclone, the strongest observed in the Atlantic Ocean since Wilma in 2005 in terms of maximum sustained winds. Irma developed on August 30, 2017 near the Cape Verde Islands, from a tropical wave that … Continue reading Irma’s Journey
Volcanoes seen by Sentinel-2
On Earth, 500-600 Volcanoes exist. A volcano is a relief of the terrestrial crust (submarine or air) formed by the ejection and stacking material from the rise of magma in the form of lava ash. Volcanic activity can take several … Continue reading Volcanoes seen by Sentinel-2
Amazonia Deforestation from Sentinels
The Amazon rainforest represents over half of the planet’s remaining equatorial forests. A real Earth’s hearth and lungs threatened by the human uncontrolled activity. Its deforestation started mainly in the early seventies after the opening of the trans-Amazonian highway (1972). Amongst the … Continue reading Amazonia Deforestation from Sentinels