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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 21 - 26 of 26 listed alphabetically [list by similarity]
PDF Opening the Landsat Archive [More info]
All Landsat images within the EROS Center archive--a 37-year record of Earth's surface--are available free of charge via the web, including newly acquired Landsat 7 multispectral images.
Spectroscopy Lab [More info]
Links to Spectroscopy Lab projects to identify and map materials through spectroscopic remote sensing (imaging spectroscopy, hyperspectral imaging, imaging spectrometry, ultraspectral imaging, etc) on the Earth and in space.
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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