NASA's Earthdata Search (formerly Reverb) allows you to search, discover, visualize, refine, and access NASA Earth Observation data. The majority of the data are available for download at no cost. Note: Users are required to register for a… Read more.
Spatial
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The Global Change Master Directory is an extensive directory of descriptive and locational information about data sets and services relevant to global change research. The project mission is to assist researchers, policy makers, and the public in… Read more.
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The USGS Emergency Operations, in support of the Department of Homeland Security, provides these images for use in disaster preparations, rescue and relief operations, damage assessments, and reconstruction efforts. HDDS supplies satellite and… Read more.
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The Land Remote Sensing Program provides the Federal Government and the public with a primary source of remotely sensed data and applications. Products and data available include aerial photography, digitized maps, elevation products, land cover,… Read more.
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GloVis is an online search and order tool for selected satellite and aerial data. Through a graphic map display, the user can select any area of interest and immediately view all available images within the USGS inventory for the specified… Read more.
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Scholars GeoPortal provides users with an interactive map interface for searching, browsing, exploring, and accessing geospatial data and aerial imagery. It allows users to customize their data extracts by selecting the appropriate extent,… Read more.