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   EARTH      Uhh, that 3rd rock from the sun?      8,931 messages   

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   Message 6,292 of 8,931   
   Dan Richter to All   
   MODIS Pic of the Day 11 June 2022   
   11 Jun 22 12:00:34   
   
   MSGID: 1:317/3 62a4d842   
   PID: hpt/lnx 1.9.0-cur 2019-01-08   
   TID: hpt/lnx 1.9.0-cur 2019-01-08   
   June 11, 2022 - Sao Francisco River and Sobradinho Reservoir   
      
      Sao Francisco River   
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      The São Francisco River is the fourth-largest river system in South   
      America as well as the longest river that stays within the country of   
      Brazil. The roughly 1,800-mile (2,900-km) long river starts in the   
      Canastra mountains of the Brazilian highlands, then flows north and   
      east through the Brazilian sertão before expanding behind a major dam   
      to form the Sobradinho Reservoir. Ultimately, water from the São   
      Francisco River pours into the Atlantic Ocean. The massive Sobradinho   
      Reservoir ranks as the fifteenth-largest reservoir in the world and the   
      dam, which was completed in 1982, generates more than 60 percent of   
      Brazil’s energy needs.   
      
      On June 7, 2022, the Moderate Resolution Imaging Spectroradiometer   
      (MODIS) on board NASA’s Terra satellite acquire a true-color image   
      capturing much of the São Francisco River and the Sobradinho Reservoir.   
      The green color seen in the river and spilling into the southern waters   
      of the reservoir is most likely sediment washed into the river as it   
      traverses the semi-arid sertão region that makes up much of the São   
      Francisco River basin.   
      
      The sertão is an inland, semi-desert land of filled with rock and   
      cactus, and also of broken highlands. It is sparsely populated, thanks   
      primarily to unpredictable and scarce rain, which can be absent for   
      years in some places. Where the São Francisco River snakes through the   
      sertão, villages and towns have sprung up. Some of the hills of the São   
      Francisco River basin hold a wealth of gold and emeralds and have   
      supported mining for nearly 300 years.   
      
      Image Facts   
      Satellite:  Terra   
      Date Acquired: 6/7/2022   
      Resolutions:  1km (174.2 KB),  500m (474.3 KB),  250m (1 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=2022-06-11   
       
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