![Dylan Ward, a UC assistant professor of geology, is studying the formation of cliff landscapes such as this in Colorado and Utah.](https://www.uc.edu/news/articles/legacy/enews/2014/10/e20576/jcr:content/image.img.cq5dam.thumbnail.500.500.jpg/1534516661692.jpg)
UC Geology Researchers Turn to 3-D Technology to Examine the Formation of Cliffband Landscapes
A blend of photos and technology takes a new twist on studying cliff landscapes and how they were formed. Dylan Ward, a University of Cincinnati assistant professor of geology, will present a case study on this unique technology application at The Geological Society of Americas Annual Meeting & Exposition. The meeting takes place Oct. 19-22, in Vancouver.
Ward is using a method called Structure-From-Motion Photogrammetry computational photo image processing techniques to study the formation of cliff landscapes in Colorado and Utah and to understand how the layered rock formations in the cliffs are affected by erosion.
To get an idea of these cliff formations, think of one of the nations most spectacular tourist attractions, the Grand Canyon.
The Colorado plateau, for example, has areas with a very simple, sandstone-over-shale layered stratigraphy. Were examining how the debris and sediment off that sandstone ends up down in the stream channels on the shale, and affects the erosion by those streams, explains Ward. The river cuts down through the rock, creating the cliffs. The cliffs walk back by erosion, so theres this spectacular staircase of stratigraphy that owes its existence and form to that general process.
Wards research takes a new approach to documenting the topography in very high resolution, using a new method of photogrammetry measurement in 3-D, based on
Dylan Ward, a UC assistant professor of geology, is studying the formation of cliff landscapes such as this in Colorado and Utah.
stereo photographs. First, we use a digital camera to take photos of the landscape from different angles. Then, we use a sophisticated imaging processing program than can take that set of photos and find the common points between the photographs. From there, we can build a 3-D computer model of that landscape. Months of fieldwork, in comparison, would only produce a fraction of the data that we produce in the computer model, says Ward.
Ward says that ultimately, examining this piece of the puzzle will give researchers an idea as to how the broader U.S. landscape was formed.
The meeting draws geoscientists from around the world representing more than 40 different disciplines.
UCs nationally ranked
conducts field research around the world in areas spanning paleontology, Quaternary geology, geomorphology, sedimentology, stratigraphy, tectonics, environmental geology and biogeochemistry.
The
, founded in 1888, is a scientific society with more than 26,500 members from academia, government, and industry in more than 100 countries. Through its meetings, publications, and programs, GSA enhances the professional growth of its members and promotes the geosciences in the service of humankind.
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