Arctic sea ice reached its highest level this year on February 25th. Total area of ice cover
The researchers note that the reduction of icecover in different parts of the Arctic Ocean occurred in different ways. In the Barents and Okhotsk Seas, ice covered a noticeably smaller area than usual. At the same time, in the Baffin Sea and off the southeast coast of Greenland, ice has spread further south than the historical average.
Scientists also noted that on the same day, 25February, the area of sea ice near the south pole reached its lowest value on record. For the first time, the area of sea ice in Antarctica has fallen below 2 million square kilometers. At the point of maximum reduction, the ice covered 1.92 million square kilometers of water.
The area of sea ice is increasing and decreasingdepending on the season. In the Arctic, it reaches its maximum, usually in March. Then there is a slow melting until September. In the southern hemisphere off the coast of Antarctica, the opposite is true.
To estimate the extent of sea ice,researchers use satellite imagery. Photos are received on a daily basis. Each image pixel corresponds to a square with a side length of 25 km.
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