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Today’s photo, taken by NASA’s Landsat 8 satellite, shows part of the Mackenzie River delta and the river’s turbid waters as they flow from the far north of Canada and Alaska into the Beaufort Sea in the Arctic Ocean. The Mackenzie River – the longest river in Canada – plays a vital role in the Arctic climate as warmer fresh water mixes with colder seawater.
© Norman Kuring, GSFC/NASA/USGS Landsat