Digital Elevation Model (DEMs) map changes to a volcano's topography

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Resource Type:Curricula and Instruction; Curriculum Materials
Grade Level:
9 10 11 12
Organization:United States Geological Survey (USGS)
Summary:Learn how lasers can be used to scan volcanoes to measure the elevation of the ground surface and generate very high-resolution models. Unlike photographic methods, the lasers are able to travel through tree canopy to the ground to reveal features of the earth's surface that are obscured by vegetation.
Earth Science Big Ideas:Big Idea 1
Subjects: 9-12; earth science; geoscience; gis; gps; high school; natural hazards; usgs; volcano
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