Skrevet av Emne: University of Arkansas Researchers Create Digital Map, Carlsbad Cavern  (Lest 351 ganger)

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"University of Arkansas researchers are using laser imaging to create a highly accurate, three-dimensional, digital map of public trails inside Carlsbad Cavern, the namesake cave of Carlsbad Caverns National Park, New Mexico.

The mapping project, coupled with an intensively researched history of the cave system’s manmade infrastructure and cultural interactions, will serve as a guide for the National Park Service as it manages both natural and developed environments in the caves. The work may also be used to earn Carlsbad Cavern a listing on the National Register of Historic Places.

The university’s Center for Advanced Spatial Technologies, or CAST, is performing the mapping project using a light-detection and ranging tool, or LiDAR, the same technology it employed to scan the Great Pyramid of Giza in Egypt, St. Paul’s Cathedral in London, and the largest building in the ancient city of Petra, Jordan, among other projects. CAST was chosen because of its expertise in this remote sensing technology, which uses a pulsed laser to collect billions of measurements of a physical space in 3-D. The measurements form a “point cloud” used to digitally recreate the space, providing insights into how it was built and what changes have been made.

Malcolm Williamson, a research associate with CAST, said experience gained through mapping about a mile of Blanchard Springs Caverns near Mountain View, Arkansas, helped land the contract with the National Park Service. “We did that in anticipation of infrastructure improvements, and it gave us a pretty good idea of how this will go,” Williamson said."

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http://www.newswise.com/articles/view/688611/
"When I try to imagine a faultless love
Or the life to come, what I hear is the murmur
Of underground streams, what I see is a limestone landscape."
W.H. Auden, "In Praise of Limestone"