Massive Western Arctic winds pattern and ice movements changes have been recorded in the winter of 2017. According to a new study, the Arctic region has undergone unprecedented changes in the last 60 years.
Anomalous change in the patterns of the Western Arctic winds and unusual ice movements
After gathering the data registered by the buoys in the ice sea of the Arctic Ocean, Kent Moore, a professor of physics at the University of Toronto, Mississauga, and his counterparts from the University of Washington have noticed the anomalous change in the Western Arctic winds and ice motions.
Under normal circumstances, the Western Arctic is a region with a surprising stable climate in winters.
Western Arctic is characterized by a region with an increased pressure, the so-called ‘Upper Beaufort’. The ‘Upper Beaufort’ creates winds that blow in a clockwise pattern and induce the same movement to the ice in the region.
On the other hand, on the Eastern Arctic region, there is noticeable a dynamic climate characterized by cyclones which causes storms to Greenland, Barents Sea, and even Norway.
In 2017’s winter, the Western Arctic winds and ice moved in a counterclockwise direction and the researchers observed that the storms were heading towards an abnormal direction, causing low pressures which diminished the ‘Upper Beaufort’ phenomenon.
The research team considers that the surprising low-pressure registered in the Western Arctic could’ve been caused by the very hot autumn of 2016 which also caused the melting of the sea ice. Even more, in the winter of 2017, the warm from the oceans has moved into the atmosphere and supported the abnormal storm for the region.
This has never been recorded within the Arctic region until now
“As a result of this additional source of energy, the storms did not dissipate over the Barents Sea, as usual, and were able to reach the western Arctic. We reviewed more than 60 years of Arctic meteorological data and it seems that this collapse has never happened before,” explained Moore.
The climate change is the culprit for these events, according to the specialists, which have also noticed that the ice has melted more in the area of the Canadian Arctic archipelago.
This kind of changes can changes can negatively impact on the Arctic ecosystem, causing disturbances in the life of fish, marine mammals, and polar bears.
The scientists concluded that the Arctic region has undergone unprecedented changes in the last 60 years, during the 2017 winter due to climate change and a very hot 2016 Arctic autumn.
Erin VanDyke lives on her family farm and has more than 35 years of hands-on experience with the use of livestock guard dogs for predator control. On their farm, Jan and her family use corgis as herding dogs and have raised Shetland sheep, Fainting goats, Morgan and Trakehner horses, and historic breeds of chickens and turkeys. Erin is also an active beekeeper.