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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Image captured on Dec 24, 2021, by the OLI instrument aboard the Landsat 8 satellite.
Worldview Image of the Week
Jan. 26, 2022
The Harmonized Landsat Sentinel-2 (HLS) project offers daily, 30-meter global land surface data products to facilitate a wide range of terrestrial Earth science research.
Data User Story
June 15, 2021
Dr. Bernard Hubbard uses NASA Earth science data to help locate mineral resources and assess natural hazards.
Data User Story
April 22, 2021
Who uses NASA Earth science data? Dr. Nancy Glenn, to study dryland ecosystems.
Data User Story
April 22, 2021
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Frequently Asked Questions
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