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Multispectral imaging
A method of remote sensing that obtains optical representations in two or more ranges of frequencies or wave lengths.
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Landsat images (10 items)
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Results 23 - 26 of 26 listed by similarity [list alphabetically]
PDF TerraLook: GIS-Ready Time-Series of Satellite Imagery for Monitoring Change [More info]
With NASA and JPL, USGS provides satellite images that anyone can use to see changes in the Earth's surface over time. This helps us study changes due to climate, human activities, or meteorological events.
PDF Tracking change over time [More info]
Lesson plan for grades 5-8 to enhance students' learning of geography, map reading, earth science, and problem solving by seeing landscape changes from space, as revealed in Landsat satellite imagery.
PDF USGS Alaska State Mosaic [More info]
Using 172 Scenes from the Multi-Resolution Land Characteristics 2001 collection geometrically and radiometrically aligned, we produced seamless, relatively cloud-free image of the entire state.
USGS National Map of Surficial Mineralogy [More info]
Maps of exposed surface mineral groups derived from automated spectral analysis of satellite and airborne imaging systems; these data suggest areas that may contain mineral deposits of various types.
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