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  2. Why You Haven't Lived Until You've Gone Sand Sledding ... - AOL

    www.aol.com/why-havent-lived-until-youve...

    The Great Sand Dunes National Park has the highest sand dunes in North America. There are 30 square miles of dune field with five massive dunes – the tallest being 750 feet.

  3. Coastal management - Wikipedia

    en.wikipedia.org/wiki/Coastal_management

    Sand dunes are vulnerable to human activities. Therefore, they need as little human interaction as possible for their protection. Human coastal activities has led to the erosion and loss of plant life on sand dunes. [19] Plant life has been established as an important stabilizing factor of sand dunes and the loss of it will cause more erosion.

  4. History of the Indiana Dunes - Wikipedia

    en.wikipedia.org/wiki/History_of_the_Indiana_Dunes

    [1] [2] The Hour Glass, a museum in Ogden Dunes, showcases some of the ecological import of the Dunes. [3] Human presences in the Indiana Dunes have existed since the retreat of the glaciers some 14,000 years ago. The southern lakes area was a rich hunting ground and there is little evidence of permanent communities forming during the earlier ...

  5. Psammosere - Wikipedia

    en.wikipedia.org/wiki/Psammosere

    Psammosere's literal meaning is “originating on sand". It was named by Frederic E. Clements who described the sequence in Plant Succession 1916, [3] although it had also been observed by Henry Chandler Cowles after he conducted several studies on the sand dunes surrounding Lake Michigan, which was influenced by the work of Eugenius Warming.

  6. The dunes are just the beginning of what’s so great about ...

    www.aol.com/dunes-just-beginning-great-great...

    The dunes are believed to be remnants of a massive lake, Laka Alamosa, that dried up roughly 440,000 years ago, according to the park’s website.Over time, the park says wind, water and sediment ...

  7. Aeolian landform - Wikipedia

    en.wikipedia.org/wiki/Aeolian_landform

    A dune is a large pile of wind-blown material, typically sand or snow. As the pile accumulates, its larger surface area increases the rate of deposition in a positive feedback loop until the dune collapses under its own weight. This process causes dunes to move in the direction of the wind over time. [6] [7] Death Valley Mesquite Flats sand dunes.

  8. Inland dune - Wikipedia

    en.wikipedia.org/wiki/Inland_dune

    Many inland eolian dunes are present in North America, including vegetated (stabilized) eolian dunes of the U.S. Atlantic Coastal Plain, dunes of Laurentian Great Lakes region, dunes of the Central and Southern Great Plains, the Nebraska Sand Hills, White Sands (New Mexico), Great Sand Dunes (Colorado), dunes of the southern Colorado Plateau, and dune fields of the Southwest Deserts.

  9. The Sahara Desert flooded for the first time in decades. Here ...

    www.aol.com/striking-images-show-rare-floods...

    (CNN) — Striking images from the Sahara Desert show large lakes etched into rolling sand dunes after one of the most arid, barren places in the world was hit with its first floods in decades ...