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Posts tagged Prince Charles Island

Phytoplankton in Foxe Basin and Thinning Barnes Ice Cap, Canada – September 20th, 2012

67.7N 76.2W

September 20th, 2012 Category: Glaciers and Ice Caps, Image of the day, Phytoplankton

Canada – September 3rd, 2012

Foxe Basin is a shallow oceanic basin north of Hudson Bay, in Nunavut, Canada, located between Baffin Island and the Melville Peninsula. For most of the year, it is blocked by ice floes. Here, however, the basin appears mostly ice-free, and sediments can be seen along the shores and phytoplankton are visible in the waters, whose nutrient-rich cold waters are known to be especially favorable to such blooms.

The largest island visible in the basin is Prince Charles Island, with an area of 9,521 km2 (3,676 sq mi). Visible north of the island by the top edge is the bright white Barnes Ice Cap, an ice cap located in central Baffin Island, Nunavut. It covers close to 6000 km2 and has been thinning due to regional warming. Between 2004 and 2006, the ice cap was thinning at a rate of 1 m per year.

Ice and Sediments in Foxe Basin, Canada

67.7N 76.2W

August 17th, 2011 Category: Sediments

Canada - July 24th, 2011

Foxe Basin is a shallow oceanic basin north of Hudson Bay, in Nunavut, Canada, located between Baffin Island and the Melville Peninsula. For most of the year, it is blocked by ice floes. In this summer image, some ice can be seen in the northern part of the basin, although the southern part is ice-free.

In the full image, sediments can be seen framing the shores of the islands in the bay, particularly Prince Charles Island (just above center). It is a large, low-lying island with an area of 9521 km2, off the west coast of Baffin Island, in the Qikiqtaaluk Region of Nunavut, Canada. The island is uninhabited and its temperatures are extremely cold.

Barnes Ice Cap on Baffin Island, in Canada’s Foxe Basin

67.7N 76.2W

August 24th, 2010 Category: Sediments

Canada - August 4th, 2010

Yellow sediments line the northeastern shoreline of Foxe Basin, a shallow oceanic basin north of Hudson Bay, in Nunavut, Canada. Sediments also surrounded several of the bay’s numerous islands, in particular the rounded Prince Charles Island below the image center.

The large Baffin Island marks the northern boundary of the basin. While several areas appear white due to  clouds or a dusting of snow, the one solid white area directly north of Prince Charles Island is the Barnes Ice Cap. It is almost 6000 km2  in surface area, although it has been thinning and shrinking due to global warming.

Ice-Free Foxe Basin in Late Summer, Canada – September 30th, 2009

67.7N 76.2W

September 30th, 2009 Category: Climate Change, Image of the day

Canada - August 26th, 2009Hudson Bay

Canada - August 26th, 2009

The waters of Foxe Basin, a shallow oceanic basin north of Hudson Bay, in Nunavut, Canada, located between Baffin Island (above) and the Melville Peninsula (left), appear greenish due to sediments and phytoplankton growth.

Foxe Basin is a broad, predominantly shallow depression, generally less than 100 metres (330 ft) in depth, while to the south, depths of up to 400 metres (1,300 ft) occur.

For most of the year, Foxe Basin is blocked by ice floes. In fact,  open pack ice is common throughout the summer and the basin is rarely ice-free until September.

In this image, taken in late August, very little ice is present, allowing the greenish waters to be observed. The nutrient-rich cold waters found in the basin are known to be especially favorable to phytoplankton and to have a high sediment content, explaining their color.

The numerous islands in the basin, including the rounded Prince Charles Island near the center, are important bird habitats. Bowhead whales migrate to the northern part of the basin each summer.

Also of note here is the bright white Barnes Ice Cap on central Baffin Island, north of Prince Charles Island. It covers close to 6000 km2 and has been thinning due to global warming. Between 1970 and 1984, the ice cap thinned 1.7 m. The ice cap is Canada’s oldest ice, being approximately 20,000 years old. It is a remnant of the Laurentide ice sheet, which covered much of Canada during the last ice age.

Hudson Bay, Canada – October 21st, 2008

October 21st, 2008 Category: Image of the day

Northern Hudson Bay - August 31st, 2008Hudson Bay

Northern Hudson Bay - August 31st, 2008

Hudson Bay is a large (1.23 million km²), relatively shallow body of water in northeastern Canada. It drains a very large area that includes parts of Ontario, Quebec, Saskatchewan, Alberta, most of Manitoba, parts of North Dakota, South Dakota, Minnesota, and Montana, and the southeastern area of Nunavut. A smaller offshoot of the bay, James Bay, lies to the south. On the east it is connected with the Atlantic Ocean by the Hudson Strait, and on the north with the rest of the Arctic Ocean by Foxe Basin (which is not considered part of the bay) and Fury and Hecla Strait.

Close-up of Prince Charles Island

Close-up of Prince Charles Island

Here we can see an area of the northern part of the Hudson Bay. The island in the center is Prince Charles Island, with the smaller Air Force Island to its right. The larger land mass near them is actually another island, Baffin Island, whose sandy shoreline is clearly visible.

Prince Charles Island is a large, low-lying island with an area of 9,521 km2 (3,676 sq mi). Despite the island’s size, the first recording of it was in 1948 by Albert-Ernest Tomkinson navigating an RCAF Avro Lancaster, though it was likely known to the local Inuit long before that. The island was named for Prince Charles, who was born the same year. The island is uninhabited and its temperatures are extremely cold.

The entire area seen in the images is inside the Arctic Circle. Hudson Bay has a salinity that is lower than the world ocean on average. This is caused mainly by the low rate of evaporation (the bay is ice-covered for much of the year), the large volume of terrestrial runoff entering the bay (about 700 km³ annually; the Hudson Bay watershed covers much of Canada, with many rivers and streams discharging into the bay), and the limited connection with the larger Atlantic Ocean (and its higher salinity). The annual freeze-up and thaw of sea ice significantly alters the salinity of the surface layer, representing roughly three years’ worth of river inflow.

source Wikipedia

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