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Hudson Bay, sometimes called Hudson's Bay (usually historically), is a large body of saltwater in northeastern Canada with a surface area of 1,230,000 km 2 (470,000 sq mi). It is located north of Ontario, west of Quebec, northeast of Manitoba, and southeast of Nunavut, but politically entirely part of Nunavut.
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- Overview
- Physical characteristics
- Biological characteristics
- Human exploitation
Hudson Bay, inland sea indenting east-central Canada. With an area of 316,000 square miles (819,000 square km), it is bounded by Nunavut territory (north and west), Manitoba and Ontario (south), and Quebec (east). It is connected with the Atlantic Ocean via the Hudson Strait (northeast) and with the Arctic Ocean via the Foxe Channel (north).
The bay is named for Henry Hudson, who in 1610, on board the aptly named Discovery, was seeking a Northwest Passage to Asia. The east coast of Hudson Bay proper was mapped two years later; the south coast was traced in 1631, and the explorer Luke Foxe lent his name to Foxe Channel in the same year. The west coast was not mapped until the early 1820s, and the first bathymetric measurements of the area were made by Canadians during 1929–31. Air reconnaissance superseded naval researches from the second half of the 20th century.
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Water and its Varying Forms
Hudson Bay has a shallow and quite smooth floor, averaging 330 feet (100 metres) in depth, with a maximum around 900 feet (270 metres). The coast, situated in a region of permanently frozen earth layers, or permafrost, is a marsh-ridden lowland fed by lake waters and turbulent rivers. In the east and northeast the shores are high and sheer, but elsewhere they are low. Coniferous woods border the southerly James Bay, the shallowest part, but most of the shore is covered with dwarf birch, willow, aspen, and bushes, growing among moss, lichen, and grass.
The eastern coast is bordered, at a distance of some 200 miles (300 km), with a set of islands and has cliffs formed of geologically ancient Precambrian (more than 540 million years old) crystalline and sedimentary rocks. The only other islands are a small cluster at the bay exit.
Hudson Bay has a severe continental climate. January temperatures average −20 °F (−29 °C), while July temperatures average only 47 °F (8 °C). Annual averages are 9.3 °F (−12.6 °C), but extremes range from −60 °F (−51 °C) in the winter to 80 °F (27 °C) in the summer. Spring is mild and cloudy, whereas summer is clear, though the bay itself is often coated with fog. Autumn starts cool, with frequent fogs, clearing later; early winter is very cold, clear, and calm, but this pattern is interrupted, after December, by strong winds and snowstorms. The spring thaw begins in late April.
The bay is filled by the numerous peripheral rivers and also by currents from Foxe Basin in the north, creating a counterclockwise general movement. Outflow occurs along the eastern Hudson Strait coast, rounding Chidley Cape (the northernmost tip of the Quebec-Newfoundland border), and passing into the Labrador Current. Flow is highest in July. Currents in the bay also respond to the fierce tidal flow off the Labrador coast.
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Hudson Bay contains a great quantity of dissolved nutrient salts, because unicellular algae grow fast in the illuminated upper layers. Small, shrimplike crustaceans occupy the open waters and form a food source for mollusks, sea urchins, starfish, and worms, together with many other invertebrates living on the bottom.
Fish include numerous polar plaice, cod, halibut, salmon migrating to the lakes and rivers to spawn, and also freshwater species. Ringed, bearded, and Greenland seals inhabit the areas around openings in the ice. Walrus, dolphins, and killer whales live in the northern sector, and polar bears come down from the north to hunt seals on the ice. About 200 species of birds gather on the coasts and islands; they include ducks, gulls, eiders, loons, snow geese, swans, sandpipers, snow owls, and crows. There are also such herbivorous mammals as caribou, musk oxen, and rodents, as well as fur-bearing animals.
Fishing and the hunting of sea mammals for their pelts are the main local occupations. Settlements along the rim of the bay include Coral Harbour (Salliq; on Southampton Island), Chesterfield Inlet (Igluligaarjuk; west of Southampton Island), Rankin Inlet (Kangiqtinq), Whale Cove (Tikirarjuaq), Arviat, Churchill (on the Manitoba coast), Fort Severn...
- The Editors of Encyclopaedia Britannica
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Feb 9, 2021 · Learn about the Hudson Bay, the second largest bay in the world and the largest inland sea, located in northeastern Canada. Discover its climate, islands, marine life, protected areas, and human settlements.
- Diptarka Ghosh
Shop online for women's clothing, shoes, handbags, jewellery, accessories and beauty products at The Bay. This web page has nothing to do with Hudson Bay, the geographic feature or the department store chain.
Apr 2, 2009 · Hudson Bay contains great quantities of nutrient salts and small crustaceans occupy the open waters, providing food for molluscs, starfish, sea urchins, worms and other invertebrates. Cod, halibut, salmon and polar plaice are the most common fish.
Feb 8, 2024 · Learn how to plan your trip to Hudson Bay, a pristine destination in northern Canada with breathtaking landscapes and wildlife. Find out when to visit, how to get there, what to do, and where to stay in this comprehensive guide.
