Sunday, March 28, 2010
STREAMS OF BRYCE CANYON : A MISSING LINK IN GROUND TRUTH
Every tale has more than one side or perspective. And so it is with NASA, which studies Earth science from different angles – from satellites, from aircraft, and sometimes from the ground. But somehow, no matter how many ways there are to view a place, there’s nothing better than being there.
Case in point: Bryce Canyon National Park in Utah. The interlocking peaks of the canyon rim can top 9,000 feet – high enough that year-round flurries created this snow-capped winter wonderland captured by photographer James Van Gundy. The spectacular oranges, browns, reds, and yellows of the limestone and the unique rain- and frost-carved stone make the park a destination for more than 1.5 million tourists each year.
Those peaks offer breathtaking views of three states and 200 miles of visibility.
In contrast, a Landsat satellite image of the park, taken in 2006, tells a top-side story of streams and rivers and valleys that stretch out like the fingers of a child’s hand print. A host of new colors emerge, not apparent from the ground view. The greens of coniferous forests. The blues of lakes and the Tropic Reservoir.
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