Volcano Web Shorts 1: Photogrammetry

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Detailed Description

Photogrammetry is the science of making precise measurements by the use of photography. USGS geologist Angie Diefenbach describes how she uses a digital camera and computer software to understand the growth rate of lava domes during a volcanic eruption.


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Length: 00:02:27

Location Taken: Vancouver, WA, US


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