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Guidebook
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What's there to do at Great Sand Dunes? Images from Great Sand Dunes & surrounding area Frequently Asked Questions (FAQs) News updated 5/28/07
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Images from GREAT SAND DUNES National Park & Preserve and the surrounding area "Surge Flow"
Medano Creek flows in waves with an unusual surge flow. Water accumulates, especially when sand ridges called antidunes form below the surface. When they break, the increased water volume surges and creates waves of up to a foot high. Stop and listen to the creek flowing. You'll hear the changes in water flow as the antidunes begin to form and then break. The creek disappears into the ground along the eastern side of the dunes, and reappears miles away. During a wet year, the surge flow can produce foot-high waves. Families bring along their favorite beach gear and enjoy a day splashing in the water and savoring the views of the nearby snow-crested peaks.
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All photos and text on this site copyright 2002-2007 Winger & Associates, Inc. No photos or text may be reproduced, copied or distributed without written permission.
Last updated: 09/22/2008 |
