MSGID: 1:317/3 62b0b5c3   
   PID: hpt/lnx 1.9.0-cur 2019-01-08   
   TID: hpt/lnx 1.9.0-cur 2019-01-08   
   June 20, 2022 - Cloud and Sediment in the Amazon River Delta   
      
      Amazon River Delta   
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      The mighty Amazon River springs from glacier-fed streams in the Andes   
      Mountains of Peru, then flows more than 4,049 miles (6,516 km) across   
      South America to reach the northeast coast of Brazil. As it tumbles   
      across the continent, it accumulates sediment—bits of rocks, soil, and   
      clay—both from the surrounding landscape and from the many tributaries   
      that flow into the Amazon.   
      
      By the time reached the Atlantic Ocean, the waters of the Amazon are   
      muddy-colored and brimming with sediment. It has been calculated that   
      about 1.3 million tons of sediment pours from the mouth of the Amazon   
      River into the Atlantic Ocean every day. On June 17, 2022, the Moderate   
      Resolution Imaging Spectroradiometer (MODIS) on board NASA’s Terra   
      satellite acquired a true-color image that clearly shows the massive   
      plume of sediment pouring through the Amazon River Delta and into the   
      Atlantic Ocean.   
      
      The milk-chocolate hue of the Amazon River and its sediment plume stand   
      out in sharp contrast with the “popcorn” clouds that cover coastal   
      Brazil. These are low-altitude cumulus clouds that are formed when   
      warm, humid air rises from the forest. As the moisture-filled air   
      rises, it also cools resulting in the development of clouds. There are   
      no clouds over the Amazon River because the river (and the air over the   
      river) is cooler than the rainforest, and the lower temperature   
      inhibits cloud formation.   
      
      Image Facts   
      Satellite:  Terra   
      Date Acquired: 6/17/2022   
      Resolutions:  1km (809.6 KB),  500m (2.4 MB),  250m (2.2 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=2022-06-20   
       
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