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  • noun

Words related to polynya

a stretch of open water surrounded by ice (especially in Arctic seas)

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References in periodicals archive ?
Polynyas play a crucial role in energy exchange and ice formation, so the occurrence of one inevitably draws the attention of researchers.
Now, however, a study led by researchers from McGill University suggests a new explanation: The 1970s polynya may have been the last gasp of what was previously a more common feature of the Southern Ocean, and which is now suppressed due to the effects of climate change on ocean salinity.
Criscitiello is exploring the relationship between the two phenomena, as well as another factor that may be playing an important role: polynyas.
Polynyas, a Russian word meaning "natural ice holes," are patches of open ocean surrounded by sea ice.
The island is a basaltic outcrop with gravel beach ridges, which provided stable camping grounds with direct access to the large concentration of marine mammals congregating in the polynya during early spring.
Refugium, Lancaster Sound/North Water Polynya, Disko Bay/Store Hellefiskebanke
21) Polynyas are sea ice openings used as breathing holes by marine mammals.
Fortier was the leader of the multinational, multi-disciplinary "NOW" program to study polynyas (an area of open water in sea ice).
For example, Moore and Reeves (1993:315-319) report: "Much of the Bering Sea bowhead stock overwinters in polynyas and along the edges of the pack ice in the western and central Bering Sea.
Sea lions also occur there during winter far from shore in areas where polynyas persist and fishing vessels operate.
The majority of the Bering Sea population appear to spend the winter in ice-free areas of the Bering Sea, while some may overwinter in polynyas of the Bering Strait and Chukchi Sea, and in the Gulf of Anadyr and Bristol Bay (Hazard, 1988; Frost and Lowry, 1990).
6) categorized sea ice as: 1) shorefast, 2) persistent flaw zones, 3) polynyas (consistently recurring openings), 4) divergence zones, and 5) the front.
Bowhead whales observed from aircraft were often found in polynyas or leads within solid ice (Belikov et al.
In the British scientific journal Nature, Schnell reports that airborne infrared lidar has detected plumes of ice crystals rising from leads (open-water areas) as much as 6 miles wide and other open areas in the ice called polynyas.
The three populations that did manage to survive may have done so by breeding near to polynyas areas of ocean that are kept free of sea ice by wind and currents.