We are in the process of migrating all NASA Earth science data sites into Earthdata from now until end of 2026. Not all NASA Earth science data and resources will appear here until then. Thank you for your patience as we make this transition.
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OLI Resources
Earthdata resources for users working with NASA’s Operational Land Imager (OLI) include tutorials and other learning resources, news announcements such as instrument updates and data releases, user guides and related documents, and frequently asked questions.
OLI Learning Resources
This ARSET training covers how to acquire, use, and derive NDVI imagery from Landsat and MODIS.
Training
Feb. 10 - March 2, 2016
This ARSET training explores how the R statistical coding language can be used to classify land cover and quantify changes in land cover over time.
Training
Feb. 24-26, 2026
This ARSET training introduces STREAM, a web tool for monitoring chlorophyll-a concentration, Secchi disk depth, and total suspended solids in inland lakes and coastal regions.
Training
Feb. 10-17, 2026
Using SNWG's OPERA DSWx product, USGS is able to monitor streamflow from space, augmenting hazardous in-person collection techniques.
Data in Action
July 8, 2025
Learn how to search for, access, and process HLS data.
External Resource
GitHub Repository
Sept. 20, 2024
Find, download, and subset HLS data from a command line executable.
External Resource
GitHub Repository
April 16, 2025
Find and download HLS data.
External Resource
GitHub Repository
May 1, 2024
Tutorial demonstrating how to search for, access, and process HLS data in R.
External Resource
GitHub Repository
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Who uses NASA Earth science data? Dr. Sergio Signorini, to study the impact of climate variability on phytoplankton and Earth’s oceans.
Data User Story
April 22, 2021
The provisional public release of the Harmonized Landsat Sentinel-2 (HLS) dataset through NASA’s LP DAAC opens new avenues for global terrestrial research.
Feature Article
April 12, 2021
Invasive species cost the U.S. economy approximately $120 billion a year and disrupt the dynamics of ecosystems. Researchers are increasingly using remote sensing to map where invasive species are and where they could spread in order to minimize their damage.
Feature Article
Feb. 25, 2021
Coastal ecosystems are some of Earth’s most biologically varied environments, especially coastal mangrove forests. Dr. Lagomasino uses Earth observing data to study these vital biomes.
Data User Story
Feb. 25, 2021
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Frequently Asked Questions
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