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   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.   
      
      
    Culburra Beach Sand Layers Following Wildfires   
      
      July 02, 2022   
      
      
       Ash in Sand 2   
      
      Photographer:  John Lupton   
      Summary Author:  John Lupton   
      
      The photo above was taken two and a half years after major   
       wildfires on the east coast of Australia (late 2019 through to   
      early 2020) burned approximately 65,600 sq. miles (70,000 sq. km.).   
      It’s estimated that over a billion mammals, reptiles and birds were   
      killed. The south coast of New South Wales and eastern coast of   
      Victoria were particularly hit hard. During that time, rivers in the   
      region had a floating layer of blackened leaves and ash that washed   
      down to the sea. From personal experience, it was nigh impossible to   
      swim or see the bottom in normally crystal-clear waters.   
      
      The  Shoalhaven River flushed down significant sums of ash to the   
      sea. On the photo, captured at  Culburra Beach in New South Wales,   
      note the clear line of ash deposit, between sand layers, that were laid   
      down during this wildfire episode. Erosion, because of the denuded   
      landscape and also from extreme surf conditions as a result of an   
       east coast low pressure systems, removed over 80% of the beach’s   
      sand, exposing these layers. The upper layer relates to the 2019~2020   
      wildfire, while the lower relates to a lesser fire season in February   
      2017. These sand cliffs, though revealing very recent wildfire history   
      nonetheless demonstrate the impact of the fires on the local   
      environment and are a pointer to their lasting impact for years to   
      come. Photo taken on April 4, 2022.   
        * Culburra Beach, New South Wales, Australia Coordinates: -34.9305,   
          150.7580   
      
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       More...   
      
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        *  This Dynamic Earth   
        *  USGS   
        *  MyShake - University of California, Berkeley   
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        *  USGS/NPS Geologic Glossary   
        *  USGS Volcano Hazards Program   
      
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