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Lake Winnipeg and Nelson River in Manitoba, Canada

52.3N 97.5W

May 21st, 2013 Category: Climate Change, Lakes, Rivers

Canada – May 20th, 2013

Ice covers the northern part of Lake Winnipeg, in Manitoba, Canada, visible at the center of the bottom edge of this image. The shores of the Hudson Bay are also lined with ice (upper right quadrant), and sediments can be seen spilling from the Nelson River into the bay.

Climate change has the potential to affect the ecology and biology of Lake Winnipeg. Climate-forcing scenarios predict increases in mid-summer temperatures through the 21st century, with even greater increases in mid-winter temperatures, extending the open water season.

Climate Change and Ice-covered Lake Winnipeg, Canada – May 6th, 2013

52.3N 97.5W

May 6th, 2013 Category: Climate Change, Image of the day, Lakes

Canada – May 6th, 2013

Lake Winnipeg is the largest aquatic life support system in Manitoba, covering some 24,500 sq km. It sustains a complex food web and the largest commercial fishery west of the Laurentian Great Lakes.

Like many natural systems, the lake is shaped by environmental forces and disturbed by human activities. Weather, climate, and geology regulate the growth and reproduction of its plants and animals.

But excess nutrients from urbanization, agriculture and economic development in the Lake Winnipeg watershed are impairing its water quality and, in spite of its size, Lake Winnipeg is susceptible to the impacts of climate change (click here for more information).

Smoke Over Lake Manitoba, Canada

50.6N 98.3W

September 13th, 2012 Category: Clouds, Fires, Lakes

Canada and USA – August 29th, 2012

Smoke from wildfires in Canada creates a thick cloud in the upper left corner of this image, covering Lake Manitoba. The smoke blows in a southeasterly direction, towards Lake Superior (right center) and Lake Michigan (right edge, below the former). A few contrails from passing airplanes can be observed cutting through the cloud of smoke.

Fires South of Nelson River in Manitoba, Canada – July 18th, 2012

56.7N 93.5W

July 18th, 2012 Category: Fires, Rivers

Canada – July 18th, 2012

Plumes of smoke from several fires burning in Manitoba blow towards the northwest. Visible hanging in the air over the upper left quadrant is a cloud of smoke from such wildfires. The individual blazes seen most concentrated south of the Nelson River, which can be seen emptying into the Hudson Bay in the upper right quadrant.

Fires East of Lac la Ronge, Canada

55.1N 104.9W

July 16th, 2012 Category: Fires

Canada – July 13th, 2012

Fires near the border between the provinces of Saskatchewan and Manitoba, Canada, release plumes of smoke towards the southeast. A band of smoky haze also sweeps across the image. On the left side, just north of the haze, is Lac la Ronge, a glacial lake in Saskatchewan. It is the fifth largest lake in the province. It is approximately 250 km north of Prince Albert, on the edge of the Canadian Shield.

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