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NASA’s OpenAltimetry is a free and powerful map-based data visualization and discovery tool for exploring surface elevation profiles from the Ice, Cloud, and land Elevation Satellite-2 (ICESat-2) and ICESat platform mission altimetry data. With OpenAltimetry, users can explore how different types of surface heights have changed across Earth over time.

Please note that OpenAltimetry processes data directly in the NASA Earthdata Cloud.

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Data Analysis, Discovery, and Visualization

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Sea Ice Elevation
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An image of Antarctica from OpenAltimetry showing the satellite tracks and data-acquisition points along the continent's surface.

Data Tool in Focus: OpenAltimetry

OpenAltimetry lets users explore changes on Earth’s surface around the globe and over time, and all they need is a web browser.
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Webinar- ICESat-2 Cover Image

Explore, Access, and Customize ICESat-2 Data at NASA's NSIDC DAAC

During this webinar we will introduce the ICESat-2 mission and show you how to explore, access and customize ICESat-2 data with the advanced discovery and visualization OpenAltimetry application, directly filter and access ICESat-2 data from an NSIDC DAAC data set page and subset, reformat and analyze ICESat-2 data using Python-based resources.
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