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- The existence of the North Water Polynya is dependent on cold, stable winters that form an ice bridge between Canada’s Ellesmere Island and Greenland. This ice bridge prevents polar pack ice from flooding into the polynya. Prevailing north winds push any ice that forms in the polynya to the south, helping to keep it clear.
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The North Water Polynya (NOW), or Pikialasorsuaq to Inuit in Greenland and Sarvarjuaq to Inuit in Canada, is a polynya (area of year-round open water surrounded by sea ice) that lies between Greenland and Canada in northern Baffin Bay.
The North Water Polynya is fed by freshwater from melting ice caps in Greenland and Canada that mix with Pacific water columns snaking through underwater channels in the Northwest Passage and Lancaster Sound.
Pikialasorsuaq (The North Water Polynya), or “The Great Upwelling” in Greenlandic, is the largest Arctic polynya and the most biologically productive region north of the Arctic Circle. Pikialasorsuaq has been recognized by Inuit for generations as a critical habitat.
Jul 22, 2021 · Nature Communications - The North Water polynya is a unique but vulnerable ecosystem, home to Indigenous people and Arctic keystone species. New palaeoecological records from Greenland...
- Sofia Ribeiro, Audrey Limoges, Audrey Limoges, Guillaume Massé, Guillaume Massé, Kasper L. Johansen,...
- 2021
Oct 20, 2023 · October 20, 2023. A variety of species depend on Pikialasorsuaq, also known as Sarvarjuaq or the North Water Polynya. Credit: Oceans North Kalaallit Nunaat. In the waters between Greenland and Nunavut, the Arctic’s most biologically rich polynya provides essential habitat for marine mammals, fish and seabirds each winter.
Sep 1, 2013 · Cold water from the Pacific Ocean carried across the Arctic mixes with warmer Atlantic water that travels north along the west coast of Greenland. Weather and ocean currents mix water and nutrients in the polynya, including large amounts of fresh water from sea ice and glaciers.
Aug 19, 2021 · The North Water Polynya, known to Inuit as Pikialasorsuaq, is an area of year-round open water wedged between Greenland and Canada’s Ellesmere and Devon islands, and it’s a hotspot of biological productivity.
