poljnitsat
Polynyas are large, persistent areas of open water that form within sea ice cover during polar night or in areas of high sea ice concentration. The word "polynya" comes from the Russian language and means "hole." Polynyas can be found in the Arctic and Antarctic regions.
They form due to a combination of atmospheric and oceanic factors, including strong winds, large waves, ocean
Polynyas typically range in size from a few square kilometers to hundreds of square kilometers. They are
Polynyas can also be classified by their location and characteristics. Some examples of polynyas include the