MSGID: 1:317/3 62f543c0   
   PID: hpt/lnx 1.9.0-cur 2019-01-08   
   TID: hpt/lnx 1.9.0-cur 2019-01-08   
    EPOD - a service of USRA   
      
   The Earth Science Picture of the Day (EPOD) highlights the diverse processes   
   and phenomena which shape our planet and our lives. EPOD will collect and   
   archive photos, imagery, graphics, and artwork with short explanatory   
   captions and links exemplifying features within the Earth system. The   
   community is invited to contribute digital imagery, short captions and   
   relevant links.   
      
      
    Red Coloration in Salt Marshes   
      
      August 11, 2022   
      
      
       C541ACC6-A239-439E-AE2B-3A010A8439ED (1)   
      
      Photographer:  Denis Huber   
      
      Summary Author:  Denis Huber;  Jim Foster   
      
      The photo above shows a  "red" salt marsh as seen along the   
      Mediterranean coast, near Aigues-Mortes, France. The beginning of the   
      summer season is often the best time to observe pink and red color in   
      waterways here. The obvious coloration is caused by the marsh’s   
       microscopic algae, which produce the pigment  beta-carotene.   
      Evidently, as the water temperature rises, if the salt content is high,   
      the water will redden as algae reproduce.  Photo taken on May 27, 2022.   
      
      Aigues-Mortes, France Coordinates: 43.54833333, 4.18055556   
      
      
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        *  USDA Plants Database   
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      Earth Science Picture of the Day is a service of the  Universities   
      Space Research Association.   
      
   https://epod.usra.edu   
       
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