The NSIDC supports research into our world's frozen realms: the snow, ice, glaciers, frozen ground, and climate interactions that make up Earth's cryosphere. All data are available at no cost. See list of data products.
Remote sensing
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The Data Pool is the publicly available portion of the Land Processes Distributed Active Archive Center online holdings.It offers ASTER data covering the US and its territories and global MODIS data. It offers FTP access to selected data products.… Read more.
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The GDEx data access interface is the result of collaboration between the Land Processes Distributed Active Archive Center and George Mason University's Center for Spatial Information Science and Systems. This GDEx tool allows users to browse and… Read more.
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What is it?
Planet.com is a leading provider of satellite imagery, capturing our dynamic planet's changes, patterns, and developments with high precision. Planet's constellation of Earth-imaging satellites provides high-resolution, frequent… Read more.
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Google Earth Engine provides access to several petabytes of satellite imagery and geospatial datasets. Researchers can write their own algorithms or reuse available algorithms online to perform analyses. Users must request access.
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LandsatLook Viewer allows searching and downloading of LandsatLook Images. LandsatLook Images are full resolution .jpg files that are included as options when downloading Landsat data from EarthExplorer or GloVis. Images are useful for image… Read more.
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MODIS is an instrument aboard the Terra and Aqua satellites. Both satellites view the entire Earth's surface every 1 to 2 days acquiring data in 36 spectral bands at three spatial resolutions (250m, 500m, and 1,000m) describing features of the land… Read more.
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EarthExplorer provides online search, browse display, metadata export, and data download for earth science data from the archives of the USGS. The EarthExplorer interface allows users to search and download aerial photography, satellite data,… Read more.
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The Government of Canada Geospatial Data Extraction Tool (formerly GeoGratis) provides free access to geospatial data and maps published by Natural Resources Canada. Their Geospatial Data Extraction tool allows for selected vector and… Read more.