Science & Technology

Earth From Space: Tromsø, Norway [Video]

Tromsø, Norway from house. Credit score: incorporates modified Copernicus Sentinel knowledge (2019), processed by ESA, CC BY-SA 3.0 IGO

With Christmas simply previous, the pink and white of this Copernicus Sentinel-2 picture convey a festive really feel to this picture that includes Tromsø – the biggest metropolis in northern Norway.

This false-color picture was processed in a approach that included the near-infrared channel, which makes vegetation seem vibrant pink. The snow over the encircling mountains is seen in white, including to the Christmasy really feel of the picture.

Most of Tromsø lies on the island of Tromsøya, seen on the prime of the picture. Owing to its northerly location, town is a well-liked space to expertise the majestic phenomenon of the aurora borealis, or northern lights.

Tromsø is over 300 km north of the Arctic Circle. Through the winter, it’s shrouded in darkness – the Solar units in late-November and doesn’t rise once more till January. The picture was captured on October 15, 2019, which suggests it is among the final photos that Sentinel-2 may purchase earlier than darkness descended.

Through the lengthy winter months, the Copernicus Sentinel-1 mission is used to observe this area as a substitute of Sentinel-2. As a complicated radar mission, Copernicus Sentinel-1 can picture the floor of Earth by way of cloud and rain and no matter whether or not it’s day or evening.

In September 2019, the German analysis icebreaker Polarstern left from Tromsø for a mammoth Arctic expedition. The Multidisciplinary drifting Observatory for the Research of Arctic Local weather (MOSAiC) expedition includes the icebreaker spending a yr drifting within the Arctic sea ice.

Spearheaded by the Alfred Wegener Institute (AWI), MOSAiC is the most important shipborne polar expedition of all time. The info gathered in the course of the expedition will likely be utilized by scientists world wide to check the Arctic because the epicenter of world warming and acquire basic insights which are key to higher perceive world local weather change.
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