Colorado Great Sand Dunes National Park and Preserve - Hydrology

小池清通 写真 Kiyomichi Koike Photography
- The Great Sand Dunes -
 Park History

 History - Great Sand Dunes National Park and Preserve - Colorado

 Mosca, Colorado USA


Desert Above, Drenched Below

The cycle is actually quite simple. It is evident that the snow in the mountains melts, flows down the streams, carries sand, and soaks into the ground...Predicting what changes in any part of the cycle would do to the other parts is not so simple.

Andrew Valdez, Great Sand Dunes Geologist


Mysterious Waters of the Dunes
Pulsating Flow (animation)
Seasonal Flow in Medano Creek
Perched Aquifer
Sand Transportation

[This website is created to show the beauty and wonder of a great american natural treasure. The contents are courtesy of the National Park Service. It is created in English and in Japanese. All the photo images shown here, except the black & white photo onthe top which is a courtesy of the Great Sand Dunes National Park and Preserve, are taken by Kiyomichi Koike. The copy rights are reserved.]

A line of light lights up the dunes.

Photo images shown above (HISimage1) and others in our website are available for sale. Contact us by [EMAIL]


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