MSGID: 1:317/3 645695a9   
   PID: hpt/lnx 1.9.0-cur 2019-01-08   
   TID: hpt/lnx 1.9.0-cur 2019-01-08   
   May 6, 2023 - Frozen Lakes in Manitoba   
      
      Frozen   
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      The province of Manitoba, Canada has been called “the land of 100,000   
      lakes” and on May 4, 2023, most of the many lakes and ponds remained   
      covered in ice.   
      
      On that same day, the Moderate Resolution Imaging Spectroradiometer   
      (MODIS) on board NASA’s Terra satellite acquired a true-color image of   
      Lake Winnipeg, said to be the 12th largest freshwater lake on Earth,   
      and several surrounding lakes. To the west of northern Lake Winnipeg,   
      sits Lake Winnipegosis and Lake Manitoba stretches south of   
      Winnipegosis. Together, Lakes Winnipeg, Winnipegosis, and Manitoba are   
      often referred to as Manitoba’s Great Lakes. The lakes are surrounded   
      by wetlands and forest (dark green) and prairie or grasslands (light   
      tan) and are covered with bright white ice.   
      
      The origins of the lakes and surrounding wetlands can be traced to the   
      last ice age. The wetlands were created in the low-lying topography   
      ground down by the advancing and retreating ice sheets. The three   
      Manitoba Great Lakes, however, are actual remnants of glacial Lake   
      Agassiz. This was an ice-dammed lake that formed south of the   
      Laurentide Ice Sheet about 14,500 years ago. At its largest, Lake   
      Agassiz was 1,125 kilometers (700 miles) long and 400 kilometers (250   
      miles) wide. As the ice dams melted and receded at the end of the ice   
      age, about 8,000 years ago, outlets to the sea opened and the lake   
      drained, leaving behind the deeper lakes.   
      
      Image Facts   
      Satellite:  Terra   
      Date Acquired: 5/4/2023   
      Resolutions:  1km (580.2 KB),  500m (1.5 MB),  250m (3 MB)   
      Bands Used: 1,4,3   
      Image Credit: MODIS Land Rapid Response Team, NASA GSFC   
      
      
      
   https://modis.gsfc.nasa.gov/gallery/individual.php?db_date=2023-05-06   
       
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